Category: thiazole

Krasitskaya, Vasilisa V.; Bashmakova, Eugenia E.; Frank, Ludmila A. published the artcile< Coelenterazine-dependent luciferases as a powerful analytical tool for research and biomedical applications>, Synthetic Route of 2591-17-5, the main research area is review coelenterazine luciferase bioluminescent system; Ca2+-regulated photoprotein; analytical systems; bioluminescence; coelenterazine; luciferase.

A review. The functioning of bioluminescent systems in most of the known marine organisms is based on the oxidation reaction of the same substrate-coelenterazine (CTZ), catalyzed by luciferase. Despite the diversity in structures and the functioning mechanisms, these enzymes can be united into a common group called CTZ-dependent luciferases. Among these, there are two sharply different types of the system organization-Ca2+-regulated photoproteins and luciferases themselves that function in accordance with the classical enzyme-substrate kinetics. Along with deep and comprehensive fundamental research on these systems, approaches and methods of their practical use as highly sensitive reporters in analytics have been developed. The research aiming at the creation of artificial luciferases and synthetic CTZ analogs with new unique properties has led to the development of new exptl. anal. methods based on them. The com. availability of many ready-to-use assay systems based on CTZ-dependent luciferases is also important when choosing them by first-time-users. The development of anal. methods based on these bioluminescent systems is currently booming. The bioluminescent systems under consideration were successfully applied in various biol. research areas, which confirms them to be a powerful anal. tool. In this , we consider the main directions, results, and achievements in research involving these luciferases.

International Journal of Molecular Sciences published new progress about 2591-17-5. 2591-17-5 belongs to class thiazole, and the molecular formula is C11H8N2O3S2, Synthetic Route of 2591-17-5.

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

Chen, Yufeng; He, Rong; Chen, Yihua; D’Annibale, Melissa A.; Langley, Brett; Kozikowski, Alan P. published the artcile< Studies of Benzamide- and Thiol-Based Histone Deacetylase Inhibitors in Models of Oxidative-Stress-Induced Neuronal Death: Identification of Some HDAC3-Selective Inhibitors>, Product Details of C9H7N3O2S, the main research area is histone deacetylase inhibitor preparation neuroprotective structure activity.

Less stress: We compare three structurally different classes of histone deacetylase (HDAC) inhibitors that contain benzamide, hydroxamate, or thiol groups as the zinc binding group (ZBG) for their ability to protect cortical neurons in culture from cell death induced by oxidative stress. Novel benzamide-based ligands selectively inhibit HDAC3 but provide no neuroprotection in the HCA-cortical neuron model of oxidative stress. We compare three structurally different classes of histone deacetylase (HDAC) inhibitors that contain benzamide, hydroxamate, or thiol groups as the zinc binding group (ZBG) for their ability to protect cortical neurons in culture from cell death induced by oxidative stress. This study reveals that none of the benzamide-based HDAC inhibitors (HDACIs) provides any neuroprotection whatsoever, in distinct contrast to HDACIs that contain other ZBGs. Some of the sulfur-containing HDACIs, namely the thiols, thioesters, and disulfides present modest neuroprotective activity but show toxicity at higher concentrations Taken together, these data demonstrate that the HDAC6-selective mercaptoacetamides that were reported previously provide the best protection in the homocysteic acid model of oxidative stress, thus further supporting their study in animal models of neurodegenerative diseases.

ChemMedChem published new progress about Cell death. 57493-24-0 belongs to class thiazole, and the molecular formula is C9H7N3O2S, Product Details of C9H7N3O2S.

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

Lu, Zheng; Yang, Yong-Qing; Xiong, Weixiang published the artcile< Preparation of 1,3-Thiazolidine-2-thiones by Using Potassium Ethylxanthate as a Carbon Disulfide Surrogate>, HPLC of Formula: 96-53-7, the main research area is thiazolidine thione preparation green chem; amino alc potassium ethylxanthate heterocyclization.

A simple procedure is presented for preparing 1,3-thiazolidine-2-thiones, e.g., I by using potassium ethylxanthate and the corresponding β-amino alcs. as the starting materials in the presence of ethanol.

Synlett published new progress about Amino alcohols Role: RCT (Reactant), RACT (Reactant or Reagent). 96-53-7 belongs to class thiazole, and the molecular formula is C3H5NS2, HPLC of Formula: 96-53-7.

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

Jiang, Xingyu; Hartwig, John F. published the artcile< Iridium-Catalyzed Enantioselective Allylic Substitution of Aliphatic Esters with Silyl Ketene Acetals as the Ester Enolates>, Related Products of 1003-32-3, the main research area is homoallylic ester regioselective diastereoselective enantioselective preparation; ester aliphatic silyl ketene acetal regioselective enantioselective allylic substitution; alkylation; asymmetric catalysis; enantioselectivity; esters; iridium.

An iridium-catalyzed enantioselective allylic substitution of aliphatic esters (E)-R1CH:CHCH2OC(O)Ph (R1 = Ph, 4-MeC6H4, 2-thienyl, 3-pyridyl, etc.) with silyl ketene acetals R22C:C(OR3)SiMe3 [R2 = Me, Et; R22 = (CH2)3, (CH2)5, (CH2)2O(CH2)2, etc.; R3 = Me, i-Pr, t-Bu, Ph, etc.] to form products containing a quaternary carbon atom at the nucleophile moiety and a tertiary carbon atom at the electrophile moiety is reported. Under relatively neutral conditions, the allylated aliphatic esters H2C:CHCH(R1)CR22CO2R3 were obtained with excellent regio- and enantioselectivity. These products were readily converted into primary alcs., carboxylic acids, amides, isocyanates, and carbamates, as well as THF and γ-butyrolactone derivatives, without erosion of enantiomeric purity.

Angewandte Chemie, International Edition published new progress about Acetals, ketene, silyl Role: RCT (Reactant), SPN (Synthetic Preparation), RACT (Reactant or Reagent), PREP (Preparation). 1003-32-3 belongs to class thiazole, and the molecular formula is C4H3NOS, Related Products of 1003-32-3.

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

Akbarzadeh, Elaheh; Shockravi, Abbas; Vatanpour, Vahid published the artcile< Efficient thiazole-based polyimines as selective and reversible chemical absorbents for CO2 capture and separation: Synthesis, characterization and application>, Computed Properties of 57493-24-0, the main research area is thiazole thioether polyimine chem absorbent carbon dioxide capture separation.

A new series of polyimines (PIMs-1-9) including ortho-linked thiazole units and flexible thioether linkages were synthesized from diamine monomers (DA-1-3) and some com. available aromatic dialdehydes (terephthalaldehyde, isophthalaldehyde and 2,5-thiophenedicarboxaldehyde) via Schiff-base condensation reaction. The synthesized polymers as amorphous solids were obtained with high efficiency (74-89%), inherent viscosities in the range of 0.98-1.33 dL g-1 in DMF and high solubility in aprotic polar solvents (DMSO, DMAc, DMF, NMP, and Py). The PIMs were characterized via viscosimetry, elemental anal., FT-IR spectroscopy, X-ray diffraction (XRD), Brunauer-Emmett-Teller (BET), thermogravimetric anal. (TGA) and differential scanning calorimetry (DSC). High thermal resistance revealed for PIMs as glass transition temperatures (Tgs) ranging in 104-189 °C along with 10% weight loss temperatures exceeding 268-390 °C in air and 310-430 °C in nitrogen atm. The polymers were examined for CO2 absorption at 298 K as well as 318 K and high absorption capacity exhibited (maximum 3.72 mmol/g or 163.68 mg/g at 1 bar and 298 K for PIM-4) after 2 h and desorption at 373 K under vacuum conditions (100 mbar) in 20 min. More importantly, remarkable ideal selectivity ratios of CO2/N2 (77.3) and CO2/CH4 (13.7) at 1 bar and 298 K were obtained and recyclability of PIM-4 for CO2 capturing was determined without considerable loss of gas absorption.

Polymer published new progress about Absorbents. 57493-24-0 belongs to class thiazole, and the molecular formula is C9H7N3O2S, Computed Properties of 57493-24-0.

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

Shi, Min; Jiang, Jian-Kang published the artcile< Synthesis of novel chiral Cu or Ag/S,N cluster complexes and absolute stereostructures as determined by X-ray crystallography>, Recommanded Product: (S)-4-Benzylthiazolidine-2-thione, the main research area is copper silver chiral thiazolidinethione ligand complex preparation structure; crystal structure copper silver chiral thiazolidinethione ligand complex.

Novel chiral Cu(I) and Ag(I) metal complexes were synthesized from the reaction of chiral (S)-(-)-4-benzyl-1,3-thiazolidine-2-thione ligand with CuCl and AgOAc in CH2Cl2 in the presence of Et3N and DMAP at room temperature Their unique crystal structures were determined by x-ray anal. Four Cu(I) atoms and four 1,3-thiazolidine-2-thione ligands form a butterfly-type metal cluster. Six Ag(I) atoms and six 1,3-thiazolidine-2-thione ligands form another butterfly-type cluster.

Chirality published new progress about Crystal structure. 171877-39-7 belongs to class thiazole, and the molecular formula is C10H11NS2, Recommanded Product: (S)-4-Benzylthiazolidine-2-thione.

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

Zhang, Kuojun; Yao, Yiwu; Tu, Zhengchao; Liao, Chenzhong; Wang, Zhen; Qiu, Yatao; Chen, Dong; Hamilton, Dale J.; Li, Zheng; Jiang, Sheng published the artcile< Discovery of class I histone deacetylase inhibitors based on romidpesin with promising selectivity for cancer cells>, Recommanded Product: Ethyl 2-(((tert-butoxycarbonyl)amino)methyl)thiazole-4-carboxylate, the main research area is romidpesin class I histone deacetylase inhibitor cancer cell selectivity; antitumor; class I histone deacetylases; cyclic depsipeptides; inhibitor; structure–activity relationship.

Aim: Class I histone deacetylases (HDACs) are considered to be promising anticancer targets, but selective inhibition of class I HDAC isoforms remains a challenge. Methods & results: Previously, we obtained a selective class I HDAC inhibitor 9 based on a macrocyclic HDAC inhibitor Romidpesin. As our continuous efforts, a library of novel cyclicdepsipeptides based on 9 was established using a convergent synthesis strategy. The most active compounds 10, 16 and 19 selectively inhibit class I HDACs and exhibit promising nanomolar antiproliferative activities against several cancer cell lines with excellent selectivity toward cancer cells over normal cells. Besides, compound 10 demonstrates excellent antitumor effects in human prostate carcinoma PC3 xenograft models with no observed toxicity. Conclusion: These cyclicdepsipeptides show great therapeutic potential as novel anticancer agents for clin. translation.

Future Medicinal Chemistry published new progress about Antitumor agents. 96929-05-4 belongs to class thiazole, and the molecular formula is C12H18N2O4S, Recommanded Product: Ethyl 2-(((tert-butoxycarbonyl)amino)methyl)thiazole-4-carboxylate.

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

Xu, Yuan-Yuan; Qian, An-Ran; Cao, Xu-Feng; Ling, Chen-Yu; Cao, Yong-Bing; Wang, Rui-Lian; Li, Yi-Su; Yang, Yu-She published the artcile< Design and synthesis of novel triazole derivatives containing γ-lactam as potential antifungal agents>, Application In Synthesis of 72054-60-5, the main research area is triazole beta lactam derivative preparation antifungal mol docking.

A series of novel triazole derivatives containing γ-lactam I [R = Br, 5-pyrimidinyl, Ph, etc.] was designed and synthesized, and their structures were confirmed by 1H NMR, 13C NMR and HRMS. The in vitro antifungal activities of the target compounds were evaluated. The results showed that all of the compounds exhibited stronger activity against the six clin. important fungi tested than fluconazole. Compounds I [R = 3-cyano-6-pyridinyl, 4-fluorophenyl] showed comparative activity against the fungi tested except for Candida glabrata and Aspergillus fumigatus as voriconazole. In addition, the docking model for 2-bromo-5-((2R,3R)-3-(2,4-difluorophenyl)-3-hydroxy-4-(1H-1,2,4-triazol-1-yl)butan-2-yl)-5,6-dihydro-4H-pyrrolo[3,4-d]thiazol-4-one and CYP51 was investigated.

Chinese Chemical Letters published new progress about Boronic acids, esters Role: RCT (Reactant), RACT (Reactant or Reagent). 72054-60-5 belongs to class thiazole, and the molecular formula is C7H10N2O2S, Application In Synthesis of 72054-60-5.

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

Huang, Xian; Zhu, Qing; Zhang, Ji-Zhen published the artcile< Synthesis of a new polymer-supported reagent-poly{[4-hydroxy(tosyloxy)iodo]styrene} and its application to the synthesis of 2-amino-4-arylthiazoles>, Recommanded Product: 2-Amino-4-(3-nitrophenyl)thiazole, the main research area is polymer supported reagent hydroxytosyloxyiodobenzene synthesis; solid phase synthesis arylthiazole cyclization.

A new polymer-supported reagent-poly{[4-hydroxy(tosyloxy)iodo]styrene} prepared by substitution from poly[styrene(iodoso diacetate)] has good reactivity in the formation of 2-amino-4-arylthiazoles, e.g. I, from acetophenones and thioureas via cyclization, and the procedure of regeneration and recycle are also described.

Chinese Journal of Chemistry published new progress about Cyclization. 57493-24-0 belongs to class thiazole, and the molecular formula is C9H7N3O2S, Recommanded Product: 2-Amino-4-(3-nitrophenyl)thiazole.

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

Li, Xiaokai; Srinivasan, Sharan R.; Connarn, Jamie; Ahmad, Atta; Young, Zapporah T.; Kabza, Adam M.; Zuiderweg, Erik. R. P.; Sun, Duxin; Gestwicki, Jason E. published the artcile< Analogues of the Allosteric Heat Shock Protein 70 (Hsp70) Inhibitor, MKT-077, As Anti-Cancer Agents>, Product Details of C10H9NOS2, the main research area is benthiazolyl cationic rhodacyanine preparation allosteric Hsp70 inhibitor antitumor; Hsp90; breast cancer; mortalin; p53; proteostasis.

The rhodacyanine, MKT-077, has antiproliferative activity against cancer cell lines through its ability to inhibit members of the heat shock protein 70 (Hsp70) family of mol. chaperones. However, MKT-077 is rapidly metabolized, which limits its use as either a chem. probe or potential therapeutic. The synthesis and characterization of MKT-077 analogs designed for greater stability is reported. The most potent mols., such as I (JG-98), were at least 3-fold more active than MKT-077 against the breast cancer cell lines MDA-MB-231 and MCF-7 (EC50 values of 0.4 ± 0.03 and 0.7 ± 0.2 μM, resp.). The analogs modestly destabilized the chaperone clients, Akt1 and Raf1, and induced apoptosis in these cells. Further, the microsomal half-life of JG-98 was improved at least 7-fold (t1/2 = 37 min) compared to MKT-077 (t1/2 < 5 min). Finally, NMR titration experiments suggested that these analogs bind an allosteric site that is known to accommodate MKT-077. These studies advance MKT-077 analogs as chem. probes for studying Hsp70s roles in cancer. ACS Medicinal Chemistry Letters published new progress about Antiproliferative agents. 10574-69-3 belongs to class thiazole, and the molecular formula is C10H9NOS2, Product Details of C10H9NOS2.

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