Category: thiazole

Bilayer pifithrin-α loaded extracellular matrix/PLGA scaffolds for enhanced vascularized bone formation was written by Xie, Xiaobo;Wang, Wanshun;Cheng, Jing;Liang, Haifeng;Lin, Zefeng;Zhang, Tao;Lu, Yao;Li, Qi. And the article was included in Colloids and Surfaces, B: Biointerfaces in 2020.Synthetic Route of C16H19BrN2OS The following contents are mentioned in the article:

Small intestinal submucosa extracellular matrix (SIS-ECM) composite materials are catching eyes in tissue engineering but have been rarely studied in bone repair. In this study, we developed the unique bilayer bone scaffolds by assembling decellularized SIS-ECM and poly(lactic-co-glycolic acid) (PLGA) nanofibers through the electrospinning technique. To strengthen the bioactivity of the scaffolds, pifithrin-α (PFTα), a p53 inhibitor that can reduce the repressive function of p53 in osteogenesis, was preloaded in the PLGA electrospinning solution We found that the resultant SIS-ECM/PLGA/PFTα scaffolds exhibited porous morphol., good biocompatibility, and enhanced osteoinductivity. Specifically, the SIS-ECM/PLGA/PFTα scaffolds could promote the osteogenic differentiation and mineralization of the preosteoblasts MC3T3-E1 in a PFTα does dependent manner in vitro. Furthermore, the SIS-ECM/PLGA/PFTα scaffolds were better than the pure SIS-ECM and SIS-ECM/PLGA scaffolds in terms of vessel and new bone tissue formation after 4 wk post-implantation in vivo. These overall findings indicated that the bilayer PFTα loaded SIS-ECM/PLGA scaffolds facilitated vascularized bone regeneration, showing promising potential for bone tissue engineering. This study involved multiple reactions and reactants, such as 2-(2-Imino-4,5,6,7-tetrahydrobenzothiazol-3-yl)-1-p-tolylethanone Hydrobromide (cas: 63208-82-2Synthetic Route of C16H19BrN2OS).

2-(2-Imino-4,5,6,7-tetrahydrobenzothiazol-3-yl)-1-p-tolylethanone Hydrobromide (cas: 63208-82-2) belongs to thiazole derivatives. Thiazole is a five-membered, unsaturated, planar, π-excessive heteroaromatic containing one sulfur atom and one pyridine-type nitrogen atom at position 3 of the cyclic ring system. Thiazole sulfonation occurs only under forcing conditions: the action of oleum at 250 °C for 3 hours in the presence of mercury(II) sulfate leads to 65% formation of 5-thiazole sulfonic acid.Synthetic Route of C16H19BrN2OS

Referemce:
Thiazole | C3H3NS – PubChem,
Thiazole | chemical compound | Britannica

8-Acetonyldihydronitidine inhibits the proliferation of human colorectal cancer cells via activation of p53 was written by Zhou, Jiawang;Li, Ziqian;Zhang, Junjie;Wang, Hongsheng;Yin, Sheng;Du, Jun. And the article was included in European Journal of Pharmacology in 2019.Recommanded Product: 63208-82-2 The following contents are mentioned in the article:

Here, we showed that 8-AHN significantly inhibited the proliferation of human colorectal cell lines via induction of G2/M cell cycle arrest and apoptosis. We found that the p53 played a central role in 8-AHN-induced cell proliferation inhibition. Mechanistically, 8-AHN induced p53 expression and enhanced transcriptional activity, subsequently elevating the expression of p53 target genes, including p21, FAS, and BAX, and then increased the level of activated caspase-3 and decreased the level of cyclin B and cyclin A. Moreover, pifithrin-a, the p53 inhibitor, markedly reversed the above responses induced by 8-AHN, and small interfering RNA-mediated knockdown of TP53 also significantly decreased 8-AHN-induced cell apoptosis. The experiments in vivo showed that 8-AHN significantly suppressed the growth of HCT116 xenograft tumors, associated with proliferation suppression and apoptosis induction in tumor tissues, without inducing any notable major organ-related toxicity. In summary, 8-AHN displays an antitumor effect through cell cycle arrest and apoptosis in colorectal cells via activating p53, which suggests that 8-AHN, exerted a therapeutic potential against colorectal cancer cells, and may be regarded as an effective lead compound This study involved multiple reactions and reactants, such as 2-(2-Imino-4,5,6,7-tetrahydrobenzothiazol-3-yl)-1-p-tolylethanone Hydrobromide (cas: 63208-82-2Recommanded Product: 63208-82-2).

2-(2-Imino-4,5,6,7-tetrahydrobenzothiazol-3-yl)-1-p-tolylethanone Hydrobromide (cas: 63208-82-2) belongs to thiazole derivatives. The higher aromaticity of thiazole is due to delocalization of a lone pair of sulfur electrons across the ring, which is evidenced by chemical shifts of ring hydrogen at δ 7.27 and 8.77 ppm (C2 and C4), indicating diamagnetic ring current.Various laboratory methods exist for the organic synthesis of thiazoles. For example, 2,4-dimethylthiazole is synthesized from thioacetamide and chloroacetone.Recommanded Product: 63208-82-2

Referemce:
Thiazole | C3H3NS – PubChem,
Thiazole | chemical compound | Britannica

TRPV1 induced apoptosis of colorectal cancer cells by activating calcineurin-NFAT2-p53 signaling pathway was written by Hou, Nengyi;He, Xuelai;Yang, Yuhui;Fu, Junwen;Zhang, Wei;Guo, Zhiyi;Hu, Yang;Liang, Liqin;Xie, Wei;Xiong, Haibo;Wang, Kang;Pang, Minghui. And the article was included in BioMed Research International in 2019.Related Products of 63208-82-2 The following contents are mentioned in the article:

Background/Aims. TRPV1 is a nonselective Ca2+ channel which has recently been observed in many cancers, while its effect on cell proliferation, apoptosis, metabolism, and cancer development in colorectal cancer (CRC) is still unclear. In this study, we hypothesized that TRPV1 is a tumor suppressor in CRC development as well as the underlying mechanism. Methods. Immunohistochem. assay was applied to detect the expression of TRPV1 protein in CRC tissues. HCT116 cell proliferation and apoptosis were measured by CCK-8 and fow cytometry, resp. Cellular Ca2+ concentration was measured by Fluo-4/AMbased fow cytometer. Apoptosis-related proteins were measured by Western blotting. Results. In this study, we found that TRPV1 expression was signifcantly decreased in CRC tissues, compared with CRC-adjacent tissues and normal tissues, resp. Ten, we found that the TRVP1 agonist capsaicin treatment inhibited CRC growth and induced apoptosis by activating P53. Subsequent mechanistic study revealed that the TRPV1 induced cytosolic Ca2+ infux to regulate cell apoptosis and p53 activation through calcineurin. Conclusions. Tis study suggests that TRPV1 served as a tumor suppressor in CRC and contributed to the development of novel therapy of CRC. This study involved multiple reactions and reactants, such as 2-(2-Imino-4,5,6,7-tetrahydrobenzothiazol-3-yl)-1-p-tolylethanone Hydrobromide (cas: 63208-82-2Related Products of 63208-82-2).

2-(2-Imino-4,5,6,7-tetrahydrobenzothiazol-3-yl)-1-p-tolylethanone Hydrobromide (cas: 63208-82-2) belongs to thiazole derivatives. Thiazoles frequently appear in peptide studies. Thiazoles can also be used as protected formyl groups, which can be released in later stages of complex natural product synthesis. Electrophilic attack at nitrogen depends on the presence of electron density at nitrogen as well as the position and nature of substituent linked to the thiazole ring.Related Products of 63208-82-2

Referemce:
Thiazole | C3H3NS – PubChem,
Thiazole | chemical compound | Britannica

Novel roles of ER stress in repressing neural activity and seizures through Mdm2- and p53-dependent protein translation was written by Liu, Dai-Chi;Eagleman, Daphne E.;Tsai, Nien-Pei. And the article was included in PLoS Genetics in 2019.Synthetic Route of C16H19BrN2OS The following contents are mentioned in the article:

In this study, we discovered that the acute ER stress response functions to repress neural activity through a protein translation-dependent mechanism. We found that inducing ER stress promotes the expression and distribution of murine double minute-2 (Mdm2) in the nucleus, leading to ubiquitination and down-regulation of the tumor suppressor p53. Reduction of p53 subsequently maintains protein translation, before the onset of translational repression seen during the latter phase of the ER stress response. Disruption of Mdm2 in an Mdm2 conditional knockdown (cKD) mouse model impairs ER stress-induced p53 down-regulation, protein translation, and reduction of neural activity and seizure severity. Importantly, these defects in Mdm2 cKD mice were restored by both pharmacol. and genetic inhibition of p53 to mimic the inactivation of p53 seen during ER stress. Altogether, our study uncovered a novel mechanism by which neurons respond to acute ER stress. Further, this mechanism plays a beneficial role in reducing neural activity and seizure severity. These findings caution against inhibition of ER stress as a neuroprotective strategy for seizures, epilepsies, and other pathol. conditions associated with excessive neural activity. This study involved multiple reactions and reactants, such as 2-(2-Imino-4,5,6,7-tetrahydrobenzothiazol-3-yl)-1-p-tolylethanone Hydrobromide (cas: 63208-82-2Synthetic Route of C16H19BrN2OS).

2-(2-Imino-4,5,6,7-tetrahydrobenzothiazol-3-yl)-1-p-tolylethanone Hydrobromide (cas: 63208-82-2) belongs to thiazole derivatives. Thiazole rings are planar and aromatic. Thiazoles are characterized by larger pi-electron delocalization than the corresponding oxazoles and have therefore greater aromaticity. The pyridine-type nitrogen in the thiazole ring deactivates the ring for electrophilic substitution reactions, which is further reduced in acid due to protonation of the thiazole ring.Synthetic Route of C16H19BrN2OS

Referemce:
Thiazole | C3H3NS – PubChem,
Thiazole | chemical compound | Britannica

Pharmacological targeting of GLI1 inhibits proliferation, tumor emboli formation and in vivo tumor growth of inflammatory breast cancer cells was written by Oladapo, Helen O.;Tarpley, Michael;Sauer, Scott J.;Addo, Kezia A.;Ingram, Shalonda M.;Strepay, Dillon;Ehe, Ben K.;Chdid, Lhoucine;Trinkler, Michael;Roques, Jose R.;Darr, David B.;Fleming, Jodie M.;Devi, Gayathri R.;Williams, Kevin P.. And the article was included in Cancer Letters (New York, NY, United States) in 2017.Name: N-(4-Ethoxyphenyl)-4-(2-methylimidazo[1,2-a]pyridin-3-yl)thiazol-2-amine The following contents are mentioned in the article:

Activation of the Hedgehog (Hh) pathway effector GLI1 is linked to tumorigenesis and invasiveness in a number of cancers, with targeting of GLI1 by small mol. antagonists shown to be effective. We profiled a collection of GLI antagonists possessing distinct mechanisms of action for efficacy in phenotypic models of inflammatory and non-inflammatory breast cancer (IBC and non-IBC) that we showed expressed varying levels of Hh pathway mediators. Compounds GANT61, HPI-1, and JK184 decreased cell proliferation, inhibited GLI1 mRNA expression and decreased the number of colonies formed in TN-IBC (SUM149) and TNBC (MDA-MB-231 and SUM159) cell lines. In addition, GANT61 and JK184 significantly down-regulated GLI1 targets that regulate cell cycle (cyclin D and E) and apoptosis (Bcl2). GANT61 reduced SUM149 spheroid growth and emboli formation, and in orthotopic SUM149 tumor models significantly decreased tumor growth. We successfully utilized phenotypic profiling to identify a subset of GLI1 antagonists that were prioritized for testing in in vivo models. Our results indicated that GLI1 activation in TN-IBC as in TNBC, plays a vital role in promoting cell proliferation, motility, tumor growth, and formation of tumor emboli. This study involved multiple reactions and reactants, such as N-(4-Ethoxyphenyl)-4-(2-methylimidazo[1,2-a]pyridin-3-yl)thiazol-2-amine (cas: 315703-52-7Name: N-(4-Ethoxyphenyl)-4-(2-methylimidazo[1,2-a]pyridin-3-yl)thiazol-2-amine).

N-(4-Ethoxyphenyl)-4-(2-methylimidazo[1,2-a]pyridin-3-yl)thiazol-2-amine (cas: 315703-52-7) belongs to thiazole derivatives. Thiazoles are a class of five-membered rings containing nitrogen and sulfur with excellent antitumor, antiviral and antibiotic activities. Thiazole is a versatile building block for the construction and lead generation of new drug discoveries. Numerous diazole-based compounds are in clinical use as anticancer, antileukemic, antiinflammatory, antiviral, antifungal, antirheumatic, immunomodulator, and antiparasitic agents.Name: N-(4-Ethoxyphenyl)-4-(2-methylimidazo[1,2-a]pyridin-3-yl)thiazol-2-amine

Referemce:
Thiazole | C3H3NS – PubChem,
Thiazole | chemical compound | Britannica

Highly Efficient Ir(III)-Coumarin Photo-Redox Catalyst for Synergetic Multi-Mode Cancer Photo-Therapy was written by Fan, Zhongxian;Xie, Jiaen;Sadhukhan, Tumpa;Liang, Chao;Huang, Can;Li, Wenqing;Li, Tingxuan;Zhang, Pingyu;Banerjee, Samya;Raghavachari, Krishnan;Huang, Huaiyi. And the article was included in Chemistry – A European Journal in 2022.HPLC of Formula: 38215-36-0 The following contents are mentioned in the article:

Four photo-catalysts of the general formula [Ir(CO6/ppy)₂(L)]Cl where CO6=coumarin 6 (Ir1-Ir3), ppy=2-phenylpyridine (Ir4), L=4′-(3,5-di-tert-butylphenyl)-2,2′ : 6′,2′′-terpyridine (Ir1), 4′-(3,5-bis(trifluoromethyl)phenyl)-2,2′ : 6′,2′′-terpyridine (Ir2 and Ir4), and 4-([2,2′ : 6′,2′′-terpyridin]-4′-yl)-N,N-dimethylaniline (Ir3) were synthesized and characterized. These photostable photo-catalysts (Ir1-Ir3) showed strong visible light absorption between 400-550 nm. Upon light irradiation (465 and 525 nm), Ir1-Ir3 generated singlet oxygen and induced rapidly photo-catalytic oxidation of cellular coenzymes NAD(P)H. Ir1-Ir3 showed time-dependent cellular uptake with excellent intracellular retention efficiency. Upon green light irradiation (525 nm), Ir2 provided a much higher photo-index (PI=793) than the clin. used photosensitizer, 5-aminolevulinicacid (5-ALA, PI>30) against HeLa cancer cells. The observed necro-apoptotic anticancer activity of Ir2 was due to the Ir2 triggered photo-induced intracellular redox imbalance (by NAD(P)H oxidation and ROS generation) and change in the mitochondrial membrane potential. Remarkably, Ir2 showed in vivo photo-induced catalytic anticancer activity in mouse models. This study involved multiple reactions and reactants, such as 3-(Benzo[d]thiazol-2-yl)-7-(diethylamino)-2H-chromen-2-one (cas: 38215-36-0HPLC of Formula: 38215-36-0).

3-(Benzo[d]thiazol-2-yl)-7-(diethylamino)-2H-chromen-2-one (cas: 38215-36-0) belongs to thiazole derivatives. Thiazole rings are planar and aromatic. Thiazoles are characterized by larger pi-electron delocalization than the corresponding oxazoles and have therefore greater aromaticity. Electrophilic attack at nitrogen depends on the presence of electron density at nitrogen as well as the position and nature of substituent linked to the thiazole ring.HPLC of Formula: 38215-36-0

Referemce:
Thiazole | C3H3NS – PubChem,
Thiazole | chemical compound | Britannica

Development a multicellular model to investigate the intestinal-vascular transport barrier of drug was written by Wang, Jie;Han, Chengkun;Ta, Wenjing;Liu, Ruolin;He, Xinyuan;Lu, Wen. And the article was included in Journal of Drug Delivery Science and Technology in 2021.Application of 38215-36-0 The following contents are mentioned in the article:

Multicellular transport models for drug have received more attention and research due to a closer physiol. structure. A Caco-2/EA.hy926 cell co-culture model was constructed to simulate intestinal-vascular barrier. The morphol. of microvilli-like and desmosomes structure indicated the tight connection of Caco-2 cells. The apparent permeability coefficient value of phenol red (≤1 x 10^-6 cm/s), trans-epithelial elec. resistance value (≥300 Ω cm²) and the alk. phosphatase activity ratio of AP to BL side presented a confluent and integral cell monolayer with well-established differentiation. The microscopic images and vascular endothelial cadherin expression demonstrated the adhesion junction between EA.hy926 cells. The constructed multicellular model differentiated drug transport behavior. The transport potential of EA.hy926 and Caco-2 cells was similar for daidzein and different for daidzein. Combined with multiple evaluation indexes, it could track the multicellular transport process of nanoparticles. The new multicellular model exhibited more in vivo-like characteristics and architecture from intestine to blood, and a potential improvement of in vitro absorption and transport models for drug. This study involved multiple reactions and reactants, such as 3-(Benzo[d]thiazol-2-yl)-7-(diethylamino)-2H-chromen-2-one (cas: 38215-36-0Application of 38215-36-0).

3-(Benzo[d]thiazol-2-yl)-7-(diethylamino)-2H-chromen-2-one (cas: 38215-36-0) belongs to thiazole derivatives. Thiazoles frequently appear in peptide studies. Thiazoles can also be used as protected formyl groups, which can be released in later stages of complex natural product synthesis. The pyridine-type nitrogen in the thiazole ring deactivates the ring for electrophilic substitution reactions, which is further reduced in acid due to protonation of the thiazole ring.Application of 38215-36-0

Referemce:
Thiazole | C3H3NS – PubChem,
Thiazole | chemical compound | Britannica

Polymer Micro and Nanoparticles Containing B(III) Compounds as Emissive Soft Materials for Cargo Encapsulation and Temperature-Dependent Applications was written by Duarte, Frederico;Cuerva, Cristian;Fernandez-Lodeiro, Carlos;Fernandez-Lodeiro, Javier;Jimenez, Raquel;Cano, Mercedes;Lodeiro, Carlos. And the article was included in Nanomaterials in 2021.Product Details of 38215-36-0 The following contents are mentioned in the article:

Polymer nanoparticles doped with fluorescent mols. are widely applied for biol. assays, local temperature measurements, and other bioimaging applications, overcoming several critical drawbacks, such as dye toxicity, increased water solubility, and allowing imaging of dyes/drug delivery in water. In this work, some polymethylmethacrylate (PMMA), polyvinylpyrrolidone (PVP) and poly(styrene-butadiene-styrene) (SBS) based micro and nanoparticles with an average size of about 200 nm and encapsulating B(III) compounds have been prepared via the reprecipitation method by using THF as the oil phase and water. The compounds are highly hydrophobic, but their encapsulation into a polymer matrix allows obtaining stable colloidal dispersions in water (3.39 μM) that maintain the photophys. behavior of these dyes. Although thermally activated non-radiative processes occur by increasing temperature from 25 to 80 °C, the colloidal suspension of the B(III) particles continues to emit greenish light (λ = 509 nm) at high temperatures When samples are cooling back to room temperature, the emission is restored, being reversible. A probe of concept drug delivery study was conducted using coumarin 6 as a prototype of a hydrophobic drug. This study involved multiple reactions and reactants, such as 3-(Benzo[d]thiazol-2-yl)-7-(diethylamino)-2H-chromen-2-one (cas: 38215-36-0Product Details of 38215-36-0).

3-(Benzo[d]thiazol-2-yl)-7-(diethylamino)-2H-chromen-2-one (cas: 38215-36-0) belongs to thiazole derivatives. The higher aromaticity of thiazole is due to delocalization of a lone pair of sulfur electrons across the ring, which is evidenced by chemical shifts of ring hydrogen at δ 7.27 and 8.77 ppm (C2 and C4), indicating diamagnetic ring current. There are numerous natural products that possess a thiazole ring with broad pharmacological activities. Thiamine, also known as vitamin B1, possesses a thiazole ring linked with 2-methylpyrimidine-4-amine as hydrochloride salt.Product Details of 38215-36-0

Referemce:
Thiazole | C3H3NS – PubChem,
Thiazole | chemical compound | Britannica

Application of P53 mRNA in signal transduction mechanisms of skeletal muscle cells. was written by Xia, Shu. And the article was included in Pakistan journal of pharmaceutical sciences in 2021.Computed Properties of C16H19BrN2OS The following contents are mentioned in the article:

By analyzing the effects of P53 inhibitors and ladder climbing exercise on P53 mRNA transcription in skeletal muscle of mice, the application of P53 mRNA in signal transduction mechanism of skeletal muscle cells was studied. Several clean ICR mice were fed for experiment. The experimental mice were divided into groups to analyze the effect of P53 inhibitor on P53 mRNA transcription in gastrocnemius muscle of mice. The mice were randomly divided into The application of P53 mRNA in signal transduction mechanism of skeletal muscle cells was studied, and the corresponding endurance exercise program and ladder climbing training program were designed. According to the research, exercise is to some extent a stimulating factor affecting P53 inhibitor. Endurance training and injection of P53 inhibitor affect P53 mRNA content. Exercise has a benign effect on ICR mice injected with P53 inhibitor. The expression of P53 mRNA in skeletal muscle was significantly affected by climbing training in youth, and decreased by climbing training in old age. However, there was no difference between long-term climbing training and short-term climbing training in the expression of P53 mRNA in skeletal muscle. This study involved multiple reactions and reactants, such as 2-(2-Imino-4,5,6,7-tetrahydrobenzothiazol-3-yl)-1-p-tolylethanone Hydrobromide (cas: 63208-82-2Computed Properties of C16H19BrN2OS).

2-(2-Imino-4,5,6,7-tetrahydrobenzothiazol-3-yl)-1-p-tolylethanone Hydrobromide (cas: 63208-82-2) belongs to thiazole derivatives. Thiazoles frequently appear in peptide studies. Thiazoles can also be used as protected formyl groups, which can be released in later stages of complex natural product synthesis. Various laboratory methods exist for the organic synthesis of thiazoles. Prominent is the Hantzsch thiazole synthesis is a reaction between haloketones and thioamides.Computed Properties of C16H19BrN2OS

Referemce:
Thiazole | C3H3NS – PubChem,
Thiazole | chemical compound | Britannica

Self-Assembled Nanosized Vehicles from Amino Acid-Based Amphiphilic Polymers with Pendent Carboxyl Groups for Efficient Drug Delivery was written by Feng, Wenli;Huang, Zixuan;Kang, Xiaoxu;Zhao, Dongdong;Li, Haofei;Li, Guofeng;Xu, Jiangtao;Wang, Xing. And the article was included in Biomacromolecules in 2021.Recommanded Product: 3-(Benzo[d]thiazol-2-yl)-7-(diethylamino)-2H-chromen-2-one The following contents are mentioned in the article:

Developing safe and efficient delivery vehicles for chemotherapeutic drugs has been a long-standing demanding. Amino acid-based polymers are promising candidates to address this challenge due to their excellent biocompatibility and biodegradation Herein, a series of well-defined amphiphilic block copolymers were prepared by PET-RAFT polymerization of N-acryloyl amino acid monomers. By altering monomer types and the block ratio of the copolymers, the copolymers self-assembled into nanostructures with various morphologies, including spheres, rod-like, fibers, and lamellae via hydrophobic and hydrogen bonding interactions. Significantly, the nanoparticles (NPs) assembled from amphiphilic block copolymers poly(N-acryloyl-valine)-b-poly(N-acryloyl-aspartic acid) (PV-b-PD) displayed an appealing cargo loading efficiency (21.8-32.6%) for a broad range of drugs (paclitaxel, doxorubicin (DOX), cisplatin, etc.) due to strong interactions. The DOX-loaded PV-b-PD NPs exhibited rapid cellular uptake (within 1 min) and a great therapeutic performance. These drug delivery systems provide new insights for regulating the controlled morphologies and improving the efficiency of drug delivery. This study involved multiple reactions and reactants, such as 3-(Benzo[d]thiazol-2-yl)-7-(diethylamino)-2H-chromen-2-one (cas: 38215-36-0Recommanded Product: 3-(Benzo[d]thiazol-2-yl)-7-(diethylamino)-2H-chromen-2-one).

3-(Benzo[d]thiazol-2-yl)-7-(diethylamino)-2H-chromen-2-one (cas: 38215-36-0) belongs to thiazole derivatives. The higher aromaticity of thiazole is due to delocalization of a lone pair of sulfur electrons across the ring, which is evidenced by chemical shifts of ring hydrogen at δ 7.27 and 8.77 ppm (C2 and C4), indicating diamagnetic ring current. There are numerous natural products that possess a thiazole ring with broad pharmacological activities. Thiamine, also known as vitamin B1, possesses a thiazole ring linked with 2-methylpyrimidine-4-amine as hydrochloride salt.Recommanded Product: 3-(Benzo[d]thiazol-2-yl)-7-(diethylamino)-2H-chromen-2-one

Referemce:
Thiazole | C3H3NS – PubChem,
Thiazole | chemical compound | Britannica