Category: 5331-91-9

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An unprecedented asymmetric desymmetrization of meso-epoxides, derived from cyclopentene-1,3-diones, with 2-mercaptobenzothiazoles has been realized. It was efficiently catalyzed by a chiral DyIII/N,N?-dioxide complex through a thiolysis/elimination sequence. This remote stereocontrol strategy provides facile access to synthetically versatile cyclopentene derivatives bearing an all-carbon quaternary stereogenic center in high yield and excellent enantioselectivity. Intriguingly, optically active thiophene could be readily generated from the obtained product through an efficient one-pot protocol. Cap it all: The title reaction of meso-diketoepoxides with 2-mercaptobenzothiazoles has been realized. An array of cyclopentene-1,3-diones bearing an all-carbon quaternary stereogenic center were obtained in high yield and excellent enantioselectivity. This methodology paves the way for the construction of optically active thiophenes.

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Thiazole | C3H6353NS – PubChem,
Thiazole | chemical compound | Britannica

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We synthesized 7(S)-7-deoxy-7-arylthiolincomycin derivatives possessing a heterocyclic ring at the C-7 position via sulfur atom by either Mitsunobu reaction of 2,3,4-tris-O-(trimethylsiliyl)lincomycin or S N 2 reaction of 7-O-methanesulfonyl-2,3,4-tri-O-trimethylsiliyllincomycin. As a result, 7(S)-7-deoxy-7-arylthiolincomycin derivatives 16, 21 and 27 exhibited antibacterial activities against respiratory infection-related Gram-positive bacteria with erm gene, although clindamycin did not have any activities against those pathogens. Furthermore, 7(S)-configuration of lincomycin derivatives was found to be necessary for enhancing antibacterial activities from the comparison results of configurations of 16 (S-configuration) and 30 (R-configuration) at the 7-position.

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Thiazole | C3H6261NS – PubChem,
Thiazole | chemical compound | Britannica

The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature.5331-91-9, Name is 5-Chlorobenzo[d]thiazole-2(3H)-thione, molecular formula is C7H4ClNS2. In a Patent£¬once mentioned of 5331-91-9, Product Details of 5331-91-9

Compounds of formula (I), and pharmaceutically acceptable salts thereof, in which each compound is adapted to occupy the binding site of human IDO, which comprises a large hydrophobic pocket A and a second, proximal hydrophobic pocket B, the compound comprising at least one of the following elements: (i) a large hydrophobic fragment to substantially fill pocket A in the binding site of human IDO; (ii) an atom that can coordinate to the heme iron of human IDO, (iii) a positively charged group that can form a salt-bridge with the heme 7-propionate of the human IDO; (iv) a negatively charged group that can form a salt-bridge with Arg231 of the human IDO; (v) a hydrophobic group that can form van der Waals interactions with pocket B; and (vi) one or more substituents that can hydrogen bond to Serl67 and to Gly262, and as IDO inhibitors and their therapeutic use, eg in the treatment of cancer

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Thiazole | C3H6341NS – PubChem,
Thiazole | chemical compound | Britannica

A catalyst don’t appear in the overall stoichiometry of the reaction it catalyzes, but it must appear in at least one of the elementary reactions in the mechanism for the catalyzed reaction. 5331-91-9, Name is 5-Chlorobenzo[d]thiazole-2(3H)-thione, molecular formula is C7H4ClNS2. In a Article£¬once mentioned of 5331-91-9, SDS of cas: 5331-91-9

Constituents in soybean oil fried with chicken breast meat (CBM) were analyzed using matrix-assisted laser desorption ionization time-of-flight mass spectrometry (MALDI-TOF-MS) according to the corresponding molecular weight (MW) distributions. The possible molecular formulas of the constituents deduced based on the parent triacylglycerols (TAGs) were investigated in three MW distributions. TAGs and oxygenated TAGs were found in region A (m/z853-1001). Diacylglycerols (DAGs), oxygenated DAGs, and oxidized TAG decomposition products were observed in region B (m/z600-853). Combination products between one TAG and one or two short-chain oxidative decomposition products (ODPs), one TAG and one DAG, two TAGs (dimers), one TAG dimer and one or more short-chain ODPs, and three TAGs (trimers) and so on were shown in region C (m/z1001-3000). Some even MWs were assigned to nitrogen- and sulfur-containing TAG derivatives due to the introduction of proteins contained in CBM. Furthermore, the possible reaction mechanisms which occurred during the deep-fat frying process were also discussed based on the deduced molecular structures of constituents. Depending on the obtained results, the composition profile of frying oil can be well elucidated by the MALDI-TOF-MS-based method for the quality monitoring of the frying oil or fried food.

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Thiazole | C3H6339NS – PubChem,
Thiazole | chemical compound | Britannica

5331-91-9, Name is 5-Chlorobenzo[d]thiazole-2(3H)-thione, molecular formula is C7H4ClNS2, belongs to thiazole compound, is a common compound. In a patnet, once mentioned the new application about 5331-91-9, SDS of cas: 5331-91-9

Complex mixtures of high-molecular weight fractions of pooled neutral human milk oligosaccharides (obtained via gel permeation chromatography) have been investigated. The subfractions were each permethylated and analyzed by high-resolution mass spectrometry, using matrix-assisted laser desorption/ionization (MALDI)-Fourier transform ion cyclotron resonance (FTICR) mass spectrometry, in order to investigate their oligosaccharide compositions. The obtained spectra reveal that human milk contains more complex neutral oligosaccharides than have been described previously; the data show that these oligosaccharides can be highly fucosylated, and that their poly-N-acetyllactosamine cores are substituted with up to 10 fucose residues on an oligosaccharide that has 7-N-acetyllactosamine units. This is the first report of the existence in human milk of this large range of highly fucosylated oligosaccharides which possess novel, potentially immunologically active structures.

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Thiazole | C3H6344NS – PubChem,
Thiazole | chemical compound | Britannica

5331-91-9, Name is 5-Chlorobenzo[d]thiazole-2(3H)-thione, molecular formula is C7H4ClNS2, belongs to thiazole compound, is a common compound. In a patnet, once mentioned the new application about 5331-91-9, Recommanded Product: 5-Chlorobenzo[d]thiazole-2(3H)-thione

A compound of formula (I), or a pharmaceutically acceptable salt thereof: STR1 wherein X is halogen, trifluoromethyl, cyano, C 1-6 -alkoxy, C 1-6 -alkylthio, C 1-6 -alkylamino or C 1-6 -dialkylamino;R 1 and R 4 are H or straight or branched C 1-6 -alkyl or trifluoromethyl or R 1 and R 4 together form a cycloalkyl ring;Y is O, S, SO 2, NH or N-alkyl;R 5 is selected from optionally substituted heterocycles.R 6 and R 7 are hydrogen, benzoyl or C 1-6 -alkanoyl.The compounds have been found useful for treating central nervous system and cardiovascular ailments.

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Thiazole | C3H6378NS – PubChem,
Thiazole | chemical compound | Britannica

The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature.5331-91-9, Name is 5-Chlorobenzo[d]thiazole-2(3H)-thione, molecular formula is C7H4ClNS2. In a Patent£¬once mentioned of 5331-91-9, Product Details of 5331-91-9

Novel 2-substituted-3-hydroxythiazolo[2,3-b]benzo-(and azabenzo)thiazolium salts, the mesoionic didehydro derivatives thereof and related compounds are disclosed, as well as the use thereof as modulators of the immune response.

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Thiazole | C3H6313NS – PubChem,
Thiazole | chemical compound | Britannica

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A green and efficient method has been developed for the cross-coupling of 2-mercaptobenzothiazoles with aryl iodides in water. The reactions proceeded smoothly under ligand-free conditions in the presence of TBAB to give the corresponding products in good yields. The protocol showed good tolerance toward a variety of functional groups. A substrate-promoted mechanism for this catalytic reaction has been proposed.

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Thiazole | C3H6374NS – PubChem,
Thiazole | chemical compound | Britannica

Synthetic Route of 5331-91-9, Chemistry can be defined as the study of matter and the changes it undergoes. You¡¯ll sometimes hear it called the central science because it is the connection between physics and all the other sciences, starting with biology.5331-91-9, Name is 5-Chlorobenzo[d]thiazole-2(3H)-thione, molecular formula is C7H4ClNS2. In a patent, introducing its new discovery.

CSF diagnostics has proved to be a formidable testing ground for N-glycoproteomic analysis of neurological diseases. To characterize specific N-glycan profiles of CSF in early and advanced phases of Alzheimer?s disease, as well as in lysosomal storage disorders such as Tay-Sachs disease, we set up in our lab a robust and feasible protocol by coupling bioanalytical methods and mass spectrometry analysis. Starting from a few microliters of CSF, after protein denaturation, reduction, and alkylation, N-glycans are released from glycoproteins using the peptide-N-glycosidase F (PNGase F) and purified. The analysis of permethylated N-glycans by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS) and MALDI-TOF MS/MS allowed us to identify specific glyco-structures and also to distinguish between isobaric N-glycans.

CSF diagnostics has proved to be a formidable testing ground for N-glycoproteomic analysis of neurological diseases. To characterize specific N-glycan profiles of CSF in early and advanced phases of Alzheimer?s disease, as well as in lysosomal storage disorders such as Tay-Sachs disease, we set up in our lab a robust and feasible protocol by coupling bioanalytical methods and mass spectrometry analysis. Starting from a few microliters of CSF, after protein denaturation, reduction, and alkylation, N-glycans are released from glycoproteins using the peptide-N-glycosidase F (PNGase F) and purified. The analysis of permethylated N-glycans by matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS) and MALDI-TOF MS/MS allowed us to identify specific glyco-structures and also to distinguish between isobaric N-glycans.

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Reference£º
Thiazole | C3H6337NS – PubChem,
Thiazole | chemical compound | Britannica

The reaction rate of a catalyzed reaction is faster than the reaction rate of the uncatalyzed reaction at the same temperature.5331-91-9, Name is 5-Chlorobenzo[d]thiazole-2(3H)-thione, molecular formula is C7H4ClNS2. In a Article£¬once mentioned of 5331-91-9, Application In Synthesis of 5-Chlorobenzo[d]thiazole-2(3H)-thione

Indoleamine 2,3-dioxygenase (IDO) is an important therapeutic target for the treatment of diseases such as cancer that involve pathological immune escape. We have used the evolutionary docking algorithm EADock to design new inhibitors of this enzyme. First, we investigated the modes of binding of all known IDO inhibitors. On the basis of the observed docked conformations, we developed a pharmacophore model, which was then used to devise new compounds to be tested for IDO inhibition.We also used a fragment-based approach to design and to optimize small organic molecule inhibitors. Both approaches yielded several new low-molecular weight inhibitor scaffolds, the most active being of nanomolar potency in an enzymatic assay. Cellular assays confirmed the potential biological relevance of four different scaffolds.

Indoleamine 2,3-dioxygenase (IDO) is an important therapeutic target for the treatment of diseases such as cancer that involve pathological immune escape. We have used the evolutionary docking algorithm EADock to design new inhibitors of this enzyme. First, we investigated the modes of binding of all known IDO inhibitors. On the basis of the observed docked conformations, we developed a pharmacophore model, which was then used to devise new compounds to be tested for IDO inhibition.We also used a fragment-based approach to design and to optimize small organic molecule inhibitors. Both approaches yielded several new low-molecular weight inhibitor scaffolds, the most active being of nanomolar potency in an enzymatic assay. Cellular assays confirmed the potential biological relevance of four different scaffolds.

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Thiazole | C3H6320NS – PubChem,
Thiazole | chemical compound | Britannica