Month: October 2022

In 2019,ChemistrySelect included an article by Jafari, Behzad; Jalil, Saquib; Zaib, Sumera; Safarov, Sayfidin; Khalikova, Muattar; Ospanov, Meirambek; Yelibayeva, Nazym; Abilov, Zharylkasyn A.; Turmukhanova, Mirgul Z.; Kalugin, Sergey N.; Ehlers, Peter; Iqbal, Jamshed; Langer, Peter. Name: 6-Chlorobenzothiazol-2-ylamine. The article was titled 《Synthesis and Inhibitory Activity towards Monoamine Oxidase A and B of 8-Functionalized 3-Fluoro-2-methyl-benzo[4,5]thiazolo[3,2-a]pyrimidin-4-ones》. The information in the text is summarized as follows:

An 8-chloro-3-fluoro-2-methyl-benzo[4,5]thiazolo[3,2-a]pyrimidin-4-one was synthesized and employed in various palladium catalyzed cross-coupling-reactions, including Suzuki-Miyaura, Sonogashira and Buchwald-Hartwig reactions, delivering 8-aryl- I (R = C6H5, 4-FC6H4, 3-CH3C6H4, etc.), 8-alkynyl- I (R = CCC6H5, 4-CH3C6H4CC, 4-(CH3)3CC6H4CC) and 8-amino-3-fluoro-2-methyl-benzo[4,5]thiazolo[3,2-a]pyrimidin-4-ones I (R = morpholin-4-yl, (4-fluorophenyl)aminyl, phenylaminyl, etc.) in good to excellent yields. The synthesized derivatives I were analyzed for their monoamine oxidase (MAO-A and MAO-B) inhibitory potential. Most of the compounds I exhibited moderate to good inhibitory activity towards MAO-A and/or MAO-B. Docking anal. was performed to verify the exptl. results. Hence, 8-substituted-3-fluoro-2-methyl-benzo[4,5]thiazolo[3,2-a]pyrimidin-4-ones I might be potential lead compounds towards novel monoamine oxidase inhibitors. In the experimental materials used by the author, we found 6-Chlorobenzothiazol-2-ylamine(cas: 95-24-9Name: 6-Chlorobenzothiazol-2-ylamine)

6-Chlorobenzothiazol-2-ylamine(cas: 95-24-9) belongs to thiazoles. Thiazoles are a class of five-membered rings containing nitrogen and sulfur with excellent antitumor, antiviral and antibiotic activities.Name: 6-Chlorobenzothiazol-2-ylamineThe thiazole ring has been identified as a central feature of numerous natural products, perhaps the most famous example of which is epothilone.

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

Zhang, Zeshuai; Wang, Zhiqiang; Li, Zheng published an article in Organic Letters. The title of the article was 《Three-Component One-Pot Construction of 2-Aryl-4H-benzo[4,5]thiazolo[3,2-a]pyrimidines Using Solid Calcium Carbide as a Surrogate of Gaseous Acetylene》.HPLC of Formula: 95-24-9 The author mentioned the following in the article:

A concise method for the construction of 2-aryl-4H-benzo[4,5]thiazolo[3,2-a]pyrimidines I (R = H, Cl, OMe; R1 = Ph, naphthalen-2-yl, thiophen-2-yl, 2H-1,3-benzodioxol-5-yl, etc.) using solid calcium carbide instead of gaseous acetylene as an alkyne source and 2-aminobenzothiazoles II and aromatic aldehydes R1CHO as substrates through one-pot three-component cascade reactions is described. The salient features for this protocol are the use of an inexpensive and easy-to-handle alkyne source, noble-metal-free condition, wide substrate scope and functional tolerance, satisfactory yield, and simple workup procedure. After reading the article, we found that the author used 6-Chlorobenzothiazol-2-ylamine(cas: 95-24-9HPLC of Formula: 95-24-9)

6-Chlorobenzothiazol-2-ylamine(cas: 95-24-9) belongs to thiazoles. Thiazoles are a class of five-membered rings containing nitrogen and sulfur with excellent antitumor, antiviral and antibiotic activities.HPLC of Formula: 95-24-9Their presence in peptides or their ability to bind proteins, DNA and RNA has led to many synthetic studies and new applications.

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

《Chiral phosphoric acid-catalyzed enantioselective construction of structurally diverse benzothiazolopyrimidines》 was published in Chemical Science in 2019. These research results belong to Jarrige, Lucie; Glavac, Danijel; Levitre, Guillaume; Retailleau, Pascal; Bernadat, Guillaume; Neuville, Luc; Masson, Geraldine. Recommanded Product: 95-24-9 The article mentions the following:

A highly efficient catalytic enantioselective [4+2] cycloaddition was developed between 2-benzothiazolimines and enecarbamates. A wide range of benzothiazolopyrimidines bearing three contiguous stereogenic centers was obtained in high to excellent yields and with excellent diastereo- and enantioselectivities (d.r. > 98 : 2 and up to >99% ee). Furthermore, this chiral phosphoric acid-catalyzed strategy was scalable and enabled access to a new class of optically pure Lewis base isothiourea derivatives The results came from multiple reactions, including the reaction of 6-Chlorobenzothiazol-2-ylamine(cas: 95-24-9Recommanded Product: 95-24-9)

6-Chlorobenzothiazol-2-ylamine(cas: 95-24-9) belongs to thiazoles. Thiazoles are a class of five-membered rings containing nitrogen and sulfur with excellent antitumor, antiviral and antibiotic activities.Recommanded Product: 95-24-9Thiazoles can also be used as protected formyl groups, which can be released in later stages of complex natural product synthesis.

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

《Lactobacillus bulgaricus improves antioxidant capacity of black garlic in the prevention of gestational diabetes mellitus: a randomized control trial》 was written by Si, Lihui; Lin, Ruixin; Jia, Yan; Jian, Wenwen; Yu, Qing; Wang, Min; Yang, Shuli. Application of 30931-67-0 And the article was included in Bioscience Reports on August 30 ,2019. The article conveys some information:

Lactobacillus bulgaricus may improve antioxidant capacity of black garlic in the prevention of gestational diabetes mellitus (GDM). Black garlic was prepared with or without L. bulgaricus. Volatile and polysaccharides were analyzed by using LC-MS, Fourier Transform IR (FTIR) and 13C NMR (NMR). The study design was parallel randomized controlled trial and 226 GDM patients were randomly assigned into BG (black garlic and L. bulgaricus) and CG (black garlic) groups, and allocation ratio was 1:1. The treatment duration was 40 wk. Fasting blood glucose (FBG) and 1- and 2-h blood glucose (1hBG and 2hBG) after oral glucose tolerance test (OGTT) were detected. Antioxidant function of black garlic was determined by measuring plasma malondialdehyde (MDA), superoxide dismutase (SOD), glutathione peroxidase (GSH-PX) and total antioxidant capacity (T-AOC) in GDM patients. The comparison between two groups was made using two independent samples t test. The intake of nutrients was similar between two groups (P>0.05). L. bulgaricus promoted the transformation of the glucopyranoside to glucofuranoside. L. bulgaricus increased the abilities of black garlic for scavenging hydroxyl radicals, 2,2′-azino-bis (3-ethylbenzenthiazoline-6-sulfonic) acid (ABTS) and DPPH free radicals. L. bulgaricus reduced the levels of FBG, 1hBG and 2hBG, and incidence of perinatal complications (P<0.01). Plasma MDA level in the BG group was lower than in the CG group, whereas the levels of SOD, GSH-PX and T-AOC in the BG group were higher than in the CG group (P<0.01). L. bulgaricus improves antioxidant capacity of black garlic in the prevention of GDM. In the experimental materials used by the author, we found ABTS Diammonium(cas: 30931-67-0Application of 30931-67-0)

ABTS Diammonium(cas: 30931-67-0) belongs to anime. Large quantities of aliphatic amines are made synthetically. The most widely used industrial method is the reaction of alcohols with ammonia at a high temperature, catalyzed by metals or metal oxide catalysts (e.g., nickel or copper). Mixtures of primary, secondary, and tertiary amines are thereby produced.Application of 30931-67-0

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

《Phenolic compounds and antioxidant and antibacterial activities of Algerian honeys》 was written by Otmani, Amar; Amessis-Ouchemoukh, Nadia; Birinci, Ceren; Yahiaoui, Sonia; Kolayli, Sevgi; Rodriguez-Flores, Maria Shantal; Escuredo, Olga; Seijo, Maria Carmen; Ouchemoukh, Salim. Product Details of 30931-67-0 And the article was included in Food Bioscience on August 31 ,2021. The article conveys some information:

Twenty-six samples of Algerian honeys were analyzed to determine their color intensity, content of bioactive compounds using colorimetric methods and phenolic profile using a high-performance liquid chromatog.-UV (HPLC-UV) anal. The antioxidant activities of the samples were estimated using 6 methods (1,1-diphenyl-2-picrilhydrazyl and 2,2′-azinobis-3-ethylbenzothiazoline-6-sulfonic acid free radicals scavenging, reducing power, chelating ferrous activity, nitric oxide radical scavenging assay and β-carotene bleaching) and the antibacterial power was determined in vitro using agar diffusion tests and measuring minimal inhibitory concentration The color of honeys ranged from light yellow to dark amber with an intensity ranging from 350 to 1510 mAU. The highest content of total polyphenols, flavonoids, carotenoids and vitamin C and the best antioxidant activity was obtained from dark honeys. Sixteen phenolic compounds (8 phenolic acids and 8 flavonoids) were quantified. The antibacterial tests showed that Staphylococcus aureus was the most sensitive strain compared to Salmonella typhi. The results allowed establishing a quant. phenolic profile of Algerian honeys. The bioactive compounds, the antioxidant and antibacterial activities, of honey did not depend on its monofloral or polyfloral nature, but rather on the type of flowers foraged by the bees and its geog. origin. The dark color of honey is a good indicator of a higher antioxidant content and the best biol. properties.ABTS Diammonium(cas: 30931-67-0Product Details of 30931-67-0) was used in this study.

ABTS Diammonium(cas: 30931-67-0) belongs to anime. In organic chemistry, amines are compounds and functional groups that contain a basic nitrogen atom with a lone pair. Amines are formally derivatives of ammonia (NH3), wherein one or more hydrogen atoms have been replaced by a substituent such as an alkyl or aryl group (these may respectively be called alkylamines and arylamines; amines in which both types of substituent are attached to one nitrogen atom may be called alkylarylamines).Product Details of 30931-67-0

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

Lan, Xiaohao; Zhang, Yueli; Jia, Xiaoying; Dong, Siqi; Liu, Yang; Zhang, Mengmeng; Guo, Jiao; Cao, Junyuan; Guo, Yu; Xiao, Gengfu; Wang, Wei published an article on January 31 ,2022. The article was titled 《Screening and identification of Lassa virus endonuclease-targeting inhibitors from a fragment-based drug discovery library》, and you may find the article in Antiviral Research.Synthetic Route of C7H5ClN2S The information in the text is summarized as follows:

Lassa virus (LASV) belongs to the Old World genus Mammarenavirus, family Arenaviridae, and order Bunyavirales. Arenavirus contains a segmented neg.-sense RNA genome, which is in line with the bunyavirus and orthomyxoviruses. The segmented neg.-sense RNA viruses utilize a cap-snatching strategy to provide primers cleavaged from the host capped mRNA for viral mRNA transcription. As a similar strategy and the conformational conservation shared with these viruses, the endonuclease (EN) would serve as an attractive target for developing broad-spectrum inhibitors. Using the LASV minigenome (MG) system, we screened a fragment-based drug discovery library and found that two hits, F1204 and F1781, inhibited LASV MG activity. Both hits also inhibited the prototype arenavirus Lymphocytic choriomeningitis virus (LCMV) MG activity. Furthermore, both hits effectively inhibited authentic LCMV and severe fever with thrombocytopenia syndrome virus (SFTSV) infections. Similarly, both hits could inhibit the activity of LASV, LCMV, and SFTSV EN. The combination of either compound with an arenavirus entry inhibitor had significant synergistic antiviral effects. Moreover, both hits were found to be capable of binding to LASV EN with a binding affinity at the micromolar level. These findings provide a basis for developing the hits as potential candidates for the treatment of segmented neg.-sense RNA virus infections. After reading the article, we found that the author used 6-Chlorobenzothiazol-2-ylamine(cas: 95-24-9Synthetic Route of C7H5ClN2S)

6-Chlorobenzothiazol-2-ylamine(cas: 95-24-9) belongs to thiazoles. Thiazoles are a class of five-membered rings containing nitrogen and sulfur with excellent antitumor, antiviral and antibiotic activities.Synthetic Route of C7H5ClN2SThe thiazole ring has been identified as a central feature of numerous natural products, perhaps the most famous example of which is epothilone.

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

In 2006,Barrett, Olivia J.; Childs, Jessica L.; Disney, Matthew D. published 《Chemical microarrays to identify ligands that bind pathogenic cells》.ChemBioChem published the findings.SDS of cas: 3034-22-8 The information in the text is summarized as follows:

The use of microarrays to identify new ligands for cells by interrogating their binding to a library of organic ligands is described. The advantages of using microarrays include assay miniaturization and the manner in which ligands are displayed in a small area. This display mimics interactions that occur at cell-cell interfaces and amplifies binding affinities. In addition, a series of array surfaces was tested for resisting nonspecific binding, which includes amine-, BSA, and agarose- (aldehyde-) coated glass, plain glass, and glass coated with ethanolamine prepared in a two-step procedures from amine-coated slides using the pathogenic Pseudomonas aeruginosa, which forms sticky biofilms. The agarose slides offer an alternative as a more general arraying substrate to study the binding of microarray-immobilized ligands to cells. After reading the article, we found that the author used 5-Bromothiazol-2-amine(cas: 3034-22-8SDS of cas: 3034-22-8)

5-Bromothiazol-2-amine(cas: 3034-22-8) belongs to anime. Amines can be classified according to the nature and number of substituents on nitrogen. Aliphatic amines contain only H and alkyl substituents. Aromatic amines have the nitrogen atom connected to an aromatic ring.Important amines include amino acids, biogenic amines, trimethylamine, and aniline. Inorganic derivatives of ammonia are also called amines, such as monochloramine (NClH2).SDS of cas: 3034-22-8

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

Application In Synthesis of 6-Chlorobenzothiazol-2-ylamineOn October 26, 2021 ,《An efficient one-pot synthesis of 2-aminobenzothiazoles from substituted anilines using benzyltrimethylammonium dichloroiodate and ammonium thiocyanate in DMSO:H2O》 was published in Tetrahedron Letters. The article was written by Dass, Reuben; Peterson, Matt A.. The article contains the following contents:

Treatment of anilines with benzyltrimethylammonium dichloroiodate and ammonium thiocyanate in DMSO:H2O at 70°C gave the 2-aminobenzothiazoles I [R = 6-F, 6-Me, 4-F, etc.] in excellent isolated yields (75-97% and ave. yield for all substrates is 90%). The reaction worked well for 2(4)mono-2,4-di- or 3,4,5-tri-substituted anilines and a wide range of both electron donating groups (MeO, HO, CF3O, Me) and electron withdrawing groups (NO2, CN, CO2Et, CO2H, Cl, F) were well tolerated. This method provided a useful alternative to other methods that are either less efficient (requiring 3-7 fold equivalent of reagents) or utilize highly toxic and corrosive liquid Br2 as the oxidizing agent. The experimental part of the paper was very detailed, including the reaction process of 6-Chlorobenzothiazol-2-ylamine(cas: 95-24-9Application In Synthesis of 6-Chlorobenzothiazol-2-ylamine)

6-Chlorobenzothiazol-2-ylamine(cas: 95-24-9) belongs to thiazoles. Thiazoles are a class of five-membered rings containing nitrogen and sulfur with excellent antitumor, antiviral and antibiotic activities.Application In Synthesis of 6-Chlorobenzothiazol-2-ylamineThiazoles can also be used as protected formyl groups, which can be released in later stages of complex natural product synthesis.

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

In 2021,Analytical Sciences included an article by Leng, Yan; Bu, Shengjun; Li, Zhongyi; Hao, Zhuo; Ma, Chengyou; He, Xiuxia; Wan, Jiayu. COA of Formula: C18H24N6O6S4. The article was titled 《A colorimetric immunosensor based on Hemin@MI nanozyme composites, with peroxidase-like activity for point-of-care testing of pathogenic E. coli O157:H7》. The information in the text is summarized as follows:

Recently, nanozymes have become a topic of particular interest due to their high activity level, stability and biocompatibility. In this study, a visual, sensitive and selective point-of-care immunosensor was established to test the pathogen Escherichia coli O157:H7 (E. coli O157:H7). Hemin and magainin I (MI) hybrid nanocomposites (Hemin@MI) with peroxidase-mimicking activities were synthesized via a “”one-pot”” method, involving the simple mixing of an antimicrobial peptide (MI) against E. coli O157:H7 and hemin in a copper sulfate sodium phosphate saline buffer. Hemin@MI nanocomposites integrating target recognition and signal amplification were developed as signal probes for the point-ofcare colorimetric detection of pathogenic E. coli O157:H7. Hemin@MI nanocomposites exhibit excellent peroxidase activity for the chromogenic reaction of ABTS, which allows for the visual point-of-care testing of E. coli O157:H7 in the range of 102 to 108 CFU/mL, with a limit of detection of 85 CFU/mL. These data suggest this immunosensor provides accessible and portable assessments of pathogenic E. coli O157:H7 in real samples. In the experiment, the researchers used ABTS Diammonium(cas: 30931-67-0COA of Formula: C18H24N6O6S4)

ABTS Diammonium(cas: 30931-67-0) belongs to anime. Left-handed and right-handed forms (mirror-image configurations, known as optical isomers or enantiomers) are possible when all the substituents on the central nitrogen atom are different (i.e., the nitrogen is chiral). With amines, there is extremely rapid inversion in which the two configurations are interconverted.COA of Formula: C18H24N6O6S4

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

In 2021,RSC Medicinal Chemistry included an article by Gao, Kai; Shaabani, Shabnam; Xu, Ruixue; Zarganes-Tzitzikas, Tryfon; Gao, Li; Ahmadianmoghaddam, Maryam; Groves, Matthew R.; Doemling, Alexander. Category: thiazole. The article was titled 《Nanoscale, automated, high throughput synthesis and screening for the accelerated discovery of protein modifiers》. The information in the text is summarized as follows:

Hit finding in early drug discovery is often based on high throughput screening (HTS) of existing and historical compound libraries, which can limit chem. diversity, is time-consuming, very costly, and environmentally not sustainable. On-the-fly compound synthesis and in situ screening in a highly miniaturized and automated format has the potential to greatly reduce the medicinal chem. environmental footprint. Here, acoustic dispensing technol. has been used to synthesize a library in a 1536 well format based on the Groebke-Blackburn-Bienayme’ reaction (GBB-3CR) on a nanomole scale. The unpurified library was screened by differential scanning fluorimetry (DSF) and cross-validated using microscale thermophoresis (MST) against the oncogenic protein-protein interaction menin-MLL. Several GBB reaction products were found as μM menin binder, and the structural basis of the interactions with menin was elucidated by co-crystal structure anal. Miniaturization and automation of the organic synthesis and screening process can lead to an acceleration in the early drug discovery process, which is an alternative to classical HTS and a step towards the paradigm of continuous manufacturing6-Chlorobenzothiazol-2-ylamine(cas: 95-24-9Category: thiazole) was used in this study.

6-Chlorobenzothiazol-2-ylamine(cas: 95-24-9) belongs to thiazoles. Thiazoles are a class of five-membered rings containing nitrogen and sulfur with excellent antitumor, antiviral and antibiotic activities.Category: thiazoleThe thiazole ring has been identified as a central feature of numerous natural products, perhaps the most famous example of which is epothilone.

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