Category: thiazole

Effects of certain purified Chinese herbal medicinal compound polysaccharide on cellular immunity and humoral immunity in chicken was written by Shang, Yun-xia;Zhu, Xiao-qing;Gu, Xin-li;Li, Xiao-zhen;Qiao, Hai-bo;Jia, Shu-hong;Zhang, Dong-sheng. And the article was included in Zhongguo Xumu Shouyi in 2015.Safety of (S)-6-Phenyl-2,3,5,6-tetrahydroimidazo[2,1-b]thiazole hydrochloride This article mentions the following:

In order to select the best dose of certain purified Chinese herbal medicinal compound polysaccharide (cCHMPS), which had been proven to significantly affect the immunity of mice, three hundred one-day-old male Liangfeng Green-feet Ma chickens were randomly divided into six groups, namely control group, levamisole hydrochloride (LM) group, Astragalus polysaccharide (APS) group, high, medium and low-dose purified cCHMPS group, and with 50 chickens for each group. Eight-day-old chickens were vaccined with physiol. saline, LM, APS, high, medium and low-dose purified cCHMPS, once a day for 7 consecutive days. On days 8, 14, 21, 28, 35 and 42 after the first vaccination, 5 chickens’ blood for each group were sampled for determination of T, B lymphocyte proliferation activities and NDV antibody levels. The results showed that APS and purified cCHMPS at different doses could significantly or extremely significantly promote the proliferation of peripheral T, B lymphocytes (P<0.05; P<0.01), increase the concentrations of NDV antibody, enhance cellular immunity and humoral immunity, and the medium-dose purified cCHMPS was the best. In the experiment, the researchers used many compounds, for example, (S)-6-Phenyl-2,3,5,6-tetrahydroimidazo[2,1-b]thiazole hydrochloride (cas: 16595-80-5Safety of (S)-6-Phenyl-2,3,5,6-tetrahydroimidazo[2,1-b]thiazole hydrochloride).

(S)-6-Phenyl-2,3,5,6-tetrahydroimidazo[2,1-b]thiazole hydrochloride (cas: 16595-80-5) 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. 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.Safety of (S)-6-Phenyl-2,3,5,6-tetrahydroimidazo[2,1-b]thiazole hydrochloride

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

n-Channel Organic Semiconductors Derived from Air-Stable Four-Coordinate Boron Complexes of Substituted Thienylthiazoles was written by Hecht, Reinhard;Kade, Juliane;Schmidt, David;Nowak-Krol, Agnieszka. And the article was included in Chemistry – A European Journal in 2017.Product Details of 121359-48-6 This article mentions the following:

Three acceptor-π-bridge-acceptor (A-π-A) mols. derived from 2-(3-boryl-2-thienyl)thiazole have been synthesized and thoroughly characterized. Incorporation of a B-N unit into thienylthiazole and attachment of suitable acceptor moieties allowed to obtain ambient-stable A-π-A mols. with low-lying LUMO levels. Their potential for applications in organic electronics was tested in vacuum-deposited organic thin film transistors (OTFT). The OTFT device based on boryl-thienylthiazole and 1,1-dicyanomethylene-3-indanone (DCIND) acceptor moieties showed an electron mobility of ≈1.4×10^-2 cm² V^-1 s^-1 in air, which is the highest electron mobility reported to date for organoboron small mols. Conversely, the device employing the malononitrile (MAL) derivative as an active layer did not show any charge transport behavior. As suggested by single crystal X-ray anal. of indandione (IND) and MAL derivatives, the enhanced mobility of IND (and DCIND) in comparison to the MAL mol. can be attributed to the effective two-dimensional π-stacking in the solid state imparted by the acceptor moieties with an extended π-surface. In the experiment, the researchers used many compounds, for example, 2-(Tributylstannyl)thiazole (cas: 121359-48-6Product Details of 121359-48-6).

2-(Tributylstannyl)thiazole (cas: 121359-48-6) 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. Various laboratory methods exist for the organic synthesis of thiazoles. Prominent is the Hantzsch thiazole synthesis is a reaction between haloketones and thioamides.Product Details of 121359-48-6

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

Synthesis and biological study of 2-amino-4-aryl-5-chloropyrimidine analogues as inhibitors of VEGFR-2 and cyclin dependent kinase 1 (CDK1) was written by Huang, Shenlin;Li, Ronghua;Connolly, Peter J.;Emanuel, Stuart;Fuentes-Pesquera, Angel;Adams, Mary;Gruninger, Robert H.;Seraj, Jabed;Middleton, Steven A.;Davis, Jeremy M.;Moffat, David F. C.. And the article was included in Bioorganic & Medicinal Chemistry Letters in 2007.Safety of 2,4-Dimethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiazole This article mentions the following:

The series of 2-amino-4-aryl-5-chloropyrimidines, e.g., I, was discovered to be potent for both VEGFR-2 and CDK1. Described here are the chem. for analog synthesis, SAR study, and its kinase selectivity profiling. The full rat PK data and in vivo efficacy study are also included. In the experiment, the researchers used many compounds, for example, 2,4-Dimethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiazole (cas: 859833-13-9Safety of 2,4-Dimethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiazole).

2,4-Dimethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiazole (cas: 859833-13-9) belongs to thiazole derivatives. The thiazole ring is notable as a component of the vitamin thiamine (B1).Various laboratory methods exist for the organic synthesis of thiazoles. For example, 2,4-dimethylthiazole is synthesized from thioacetamide and chloroacetone.Safety of 2,4-Dimethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)thiazole

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

Synthesis and biological evaluation of (R)-3,3,3-trifluoro-2-hydroxy-2-methylpropionamides as pyruvate dehydrogenase kinase 1 (PDK1) inhibitors to reduce the growth of cancer cells was written by Zhang, Shao-Lin;Zhang, Wen;Yang, Zheng;Hu, Xiaohui;Tam, Kin Yip. And the article was included in European Journal of Pharmaceutical Sciences in 2017.Application of 2103-99-3 This article mentions the following:

Most cancer cells exhibit a high rate of glycolysis and reduced capacity in mitochondrial oxidative phosphorylation. The expression of pyruvate dehydrogenase kinases (PDKs) was found to be increased in many cancer cells. Inhibition of PDKs increases the oxidative phosphorylation of glucose, which may disrupt the balance between the demand and supply of oxygen in cancer cell, thus leading to cell death. Several reports suggested that compounds containing (R)-3,3,3-trifluoro-2-hydroxy-2-methylpropionamide group could inhibit PDKs in pyruvate dehydrogenase primary enzymic assay. However, none of them were capable of reducing the growth of cancer cells. Herein, we report the synthesis and biol. evaluation of some novel PDK1 inhibitors containing the (R)-3,3,3-trifluoro-2-hydroxy-2-methylpropionamide warhead. Excitingly, these novel PDK1 inhibitors exhibited good potency to reduce the growth of cancer cells. We have demonstrated that these compounds could phys. associate with PDK1 and activate pyruvate dehydrogenase in low micromolar levels. In the experiment, the researchers used many compounds, for example, 4-(4-Chlorophenyl)thiazol-2-amine (cas: 2103-99-3Application of 2103-99-3).

4-(4-Chlorophenyl)thiazol-2-amine (cas: 2103-99-3) 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.Various laboratory methods exist for the organic synthesis of thiazoles. For example, 2,4-dimethylthiazole is synthesized from thioacetamide and chloroacetone.Application of 2103-99-3

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

Site-Selective Pd-Catalyzed C(sp³)-H Arylation of Heteroaromatic Ketones was written by Kudashev, Anton;Baudoin, Olivier. And the article was included in Chemistry – A European Journal in 2021.COA of Formula: C3H2BrNS This article mentions the following:

A ligand-controlled site-selective C(sp³)-H arylation of heteroaromatic ketones had been developed using Pd catalysis to gave ArC(O)CHR¹CH₂R² [Ar = thiazol-2-yl, 2-pyridyl, 2-quinolyl, etc.; R¹ = Ph, 4-MeC₆H₄, 2-naphthyl, etc.; R² = H, Me, ph, etc.]. The reaction occurred selectively at the α- or β-position of the ketone side-chain. The switch from α- or β-arylation was realized by addition of a pyridone ligand. The α-arylation process showed broad scope and high site- and chemoselectivity, whereas the β-arylation was more limited. Mechanistic investigations suggested that α-arylation occurs through C-H activation/oxidative addition/reductive elimination whereas β-arylation involves desaturation and aryl insertion. In the experiment, the researchers used many compounds, for example, 2-Bromothiazole (cas: 3034-53-5COA of Formula: C3H2BrNS).

2-Bromothiazole (cas: 3034-53-5) belongs to thiazole derivatives. The thiazole ring has been identified as a central feature of numerous natural products, perhaps the most famous example of which is epothilone.Various laboratory methods exist for the organic synthesis of thiazoles. For example, 2,4-dimethylthiazole is synthesized from thioacetamide and chloroacetone.COA of Formula: C3H2BrNS

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

Microwave-assisted synthesis of 2-amino-4-substituted phenyl-thiazole was written by Rahatgaonkar, Anjali;Rathod, A.. And the article was included in Asian Journal of Chemistry in 2006.SDS of cas: 57634-55-6 This article mentions the following:

The reaction time needed to synthesize substituted 2-amino-4-phenyl-thiazole was substantially reduced from hours to minutes by microwave irradiation Microwave assisted techniques have many advantages, i.e., very rapid reactions, low energy consumption and safe operation, high yield and less time. In the experiment, the researchers used many compounds, for example, 4-(2-Amino-4-thiazolyl)phenol (cas: 57634-55-6SDS of cas: 57634-55-6).

4-(2-Amino-4-thiazolyl)phenol (cas: 57634-55-6) belongs to thiazole derivatives. Thiazoles are a class of five-membered rings containing nitrogen and sulfur with excellent antitumor, antiviral and antibiotic activities. 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.SDS of cas: 57634-55-6

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

One-Pot Reductive Methylation of Nitro- and Amino-Substituted (Hetero)Aromatics with DMSO/HCOOH: Concise Synthesis of Fluorescent Dimethylamino-Functionalized Bibenzothiazole Ligands with Tunable Emission Color upon Complexation was written by Osusky, Patrik;Smolicek, Maros;Nociarova, Jela;Rakovsky, Erik;Hrobarik, Peter. And the article was included in Journal of Organic Chemistry in 2022.Formula: C7H4N2O2S This article mentions the following:

One-pot reductive N,N-dimethylation of suitable nitro- and amino-substituted (hetero)arenes e.g., 6-nitrobenzothiazole can be achieved using a DMSO/HCOOH/Et₃N system acting as a low-cost but efficient reducing and methylating agent. The transformation of heteroaryl-amines can be accelerated by using DMSO/oxalyl chloride or chloromethyl sulfide as the source of active CH₃SCH₂⁺ species, while the exclusion of HCOOH in the initial stage of the reaction allows avoiding N-formamides as resting intermediates. The developed procedures are applicable in multigram-scale synthesis, and because of the lower electrophilicity of CH₃SCH₂⁺, they also work in pathol. cases, where common methylating agents provide N,N-dimethylated products e.g., I in no yield or inferior yields due to concomitant side reactions. The method is particularly useful in one-pot reductive transformation of 2-H-nitrobenzazoles to corresponding N,N-dimethylamino-substituted heteroarenes. These, upon Cu(II)-catalyzed oxidative homocoupling, afford 2,2′-bibenzazoles II (Z = S, NMe; R¹ = H, Me; R² = H, N(Me)₂; R³ = H, N(Me)₂) substituted with dimethylamino groups as charge-transfer N,N ligands with intensive absorption/emission in the visible region. The fluorescence of NMe₂-functionalized bibenzothiazoles II remains intensive even upon complexation with ZnCl₂, while emission maxima are bathochromically shifted from the green/yellow to orange/red spectral region, making these small-mol. fluorophores, exhibiting large emission quantum yields and Stokes shifts, an attractive platform for the construction of various functional dyes and light-harvesting materials with tunable emission color upon complexation. In the experiment, the researchers used many compounds, for example, 6-Nitrobenzothiazole (cas: 2942-06-5Formula: C7H4N2O2S).

6-Nitrobenzothiazole (cas: 2942-06-5) belongs to thiazole derivatives. Thiazoles are a class of five-membered rings containing nitrogen and sulfur with excellent antitumor, antiviral and antibiotic activities. 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.Formula: C7H4N2O2S

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

Metal sulfide: An efficient promoter for the synthesis of 2-mercaptobenzothiazoles from 2-haloanilines and carbon disulfide was written by Zhang, Tianmiao;Qin, Weijing;Zhu, Ning;Han, Limin;Wang, Liubo;Hong, Hailong. And the article was included in Synthetic Communications in 2017.Product Details of 80087-71-4 This article mentions the following:

A convenient method has been developed for the preparation of a variety of 2-mercaptobenzothiazoles from 2-haloanilines and CS₂ mediated by metal sulfide. In this reaction, 2-haloanilines reacted with CS₂ in the presence of Na₂S·9H₂O to form 2-mercaptobenzothiazoles. Na₂S·9H₂O functioned both as an activator of CS₂ and as a base. Furthermore, NMR anal. was used to identify the different reaction mechanisms of 2-haloanilines and CS₂ mediated by Na₂S or 1,8-diazabicyclo[5.4.0]undec-7-ene (DBU), which demonstrated that Na₂S interacted only with CS₂, while DBU reacted with both 2-iodoaniline and CS₂. In the experiment, the researchers used many compounds, for example, 6-Fluorobenzo[d]thiazole-2(3H)-thione (cas: 80087-71-4Product Details of 80087-71-4).

6-Fluorobenzo[d]thiazole-2(3H)-thione (cas: 80087-71-4) 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.Various laboratory methods exist for the organic synthesis of thiazoles. For example, 2,4-dimethylthiazole is synthesized from thioacetamide and chloroacetone.Product Details of 80087-71-4

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

The human health implications of antibiotic resistance in environmental isolates from two nebraska watersheds was written by Donner, Linsey;Staley, Zachery R.;Petali, Jonathan;Sangster, Jodi;Li, Xu;Mathews, Wayne;Snow, Daniel;Howe, Adina;Soupir, Michelle;Bartelt-Hunt, Shannon. And the article was included in Microbiology Spectrum in 2022.Recommanded Product: 4-Amino-N-(thiazol-2-yl)benzenesulfonamide This article mentions the following:

One Health field-based approaches are needed to connect the occurrence of antibiotics present in the environment with the presence of antibiotic resistance genes (ARGs) in Gram-neg. bacteria that confer resistance to antibiotics important in for both veterinary and human health. Water samples from two Nebraska watersheds influenced by wastewater effluent and agricultural runoff were tested for the presence of antibiotics used in veterinary and human medicine. The water samples were also cultured to identify the bacteria present. Of those bacteria isolated, the Gram-neg. rods capable of causing human infections had antimicrobial susceptibility testing and whole-genome sequencing (WGS) performed to identify ARGs present. Of the 211 bacterial isolates identified, 37 belonged to pathogenic genera known to cause human infections. Genes conferring resistance to beta-lactams, aminoglycosides, fosfomycins, and quinolones were the most frequently detected ARGs associated with horizontal gene transfer (HGT) in the watersheds. WGS also suggest recent HGT events involving ARGs transferred between watershed isolates and bacteria of human and animal origins. The results of this study demonstrate the linkage of antibiotics and bacterial ARGs present in the environment with potential human and/or veterinary health impacts. In the experiment, the researchers used many compounds, for example, 4-Amino-N-(thiazol-2-yl)benzenesulfonamide (cas: 72-14-0Recommanded Product: 4-Amino-N-(thiazol-2-yl)benzenesulfonamide).

4-Amino-N-(thiazol-2-yl)benzenesulfonamide (cas: 72-14-0) 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.Various laboratory methods exist for the organic synthesis of thiazoles. For example, 2,4-dimethylthiazole is synthesized from thioacetamide and chloroacetone.Recommanded Product: 4-Amino-N-(thiazol-2-yl)benzenesulfonamide

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

Microwave-assisted solid-phase synthesis of cephalosporin derivatives with antibacterial activity was written by Kidwai, Mazaahir;Misra, Preeti;Bhushan, Kumar R.;Saxena, Rajendra K.;Singh, Meena. And the article was included in Monatshefte fuer Chemie in 2000.Name: 2-(Benzo[d]thiazol-2-ylthio)acetic acid This article mentions the following:

The reaction of heterocyclic acids with 7-amino-cephalosporanic acid adsorbed on basic alumina under microwave irradiation afforded the N-acylated cephalosporin analogs in satisfactory yield. All compounds were tested for their antibacterial activity; some of them showed significant antibacterial properties. Cefotaxime and cephalothin were used as reference drugs. In the experiment, the researchers used many compounds, for example, 2-(Benzo[d]thiazol-2-ylthio)acetic acid (cas: 6295-57-4Name: 2-(Benzo[d]thiazol-2-ylthio)acetic acid).

2-(Benzo[d]thiazol-2-ylthio)acetic acid (cas: 6295-57-4) belongs to thiazole derivatives. Thiazoles in peptides or their ability to bind proteins, DNA and RNA has led to many synthetic studies and new applications.Various laboratory methods exist for the organic synthesis of thiazoles. For example, 2,4-dimethylthiazole is synthesized from thioacetamide and chloroacetone.Name: 2-(Benzo[d]thiazol-2-ylthio)acetic acid

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