439145-99-0Relevant academic research and scientific papers
One-pot three-component protocol for the synthesis of substituted 2-aminothiazoles
Guo, Shanshan,Zhao, Donghong,Zhu, Yue,Yu, Yongping,Chen, Wenteng,Zhang, Guolin
, p. 1758 - 1764 (2017)
Substituted 2-aminothiazoles have been synthesized from α-nitro-epoxides, cyanamide, and sodium sulfide through a facile, three-component, and ecofriendly protocol with good to excellent yields. This reaction was achieved at room temperature without any additives. A possible mechanism has also been proposed.
Efficient and facile strategy to substituted 2-aminothiazoles via ring opening of α-nitroepoxides
Zhu, Yue,Wang, Qilin,Luo, Haofan,Zhang, Guolin,Yu, Yongping
supporting information, p. 7143 - 7147 (2018/11/10)
A novel and efficient reaction has been developed to synthesize a set of substituted 2-aminothiazoles from α-nitroepoxides and ammonium thiocyanate. This reaction could proceed smoothly at mild condition, to afford products for a wide range of substrates with good to excellent yields. A possible mechanism has also been proposed.
Synthetic method of 4,5-disubstituted-2-aminothiazole compound
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Paragraph 0051; 0053-0057; 0084-0087, (2018/09/08)
The invention discloses a synthetic method of a 4,5-disubstituted-2-aminothiazole compound. The synthetic method sequentially comprises the following steps: 1) making a nitro-epoxy compound react withammonium thiocyanate in the presence of a solvent and an alkali catalyst at the temperature of 40-/+5 DEG C for 10 to 14 hours; 2) adding water into reaction liquid prepared in the step 1), extracting the mixture with ethyl acetate, washing a prepared organic layer, drying the organic layer, and performing concentration with a rotary evaporator; 3) performing silica gel column chromatography on the concentrate prepared in the step 2) to obtain the 4,5-disubstituted-2-aminothiazole compound. The method for synthesizing the 4,5-disubstituted-2-aminothiazole compound disclosed by the invention has the characteristics of adoption of readily-available raw materials, mild reaction conditions, high yield, convenience in post treatment and the like.
Facile, efficient synthesis of polysubstituted thiazoles via α-nitroepoxides and thioureas
Zhao, Donghong,Guo, Shanshan,Guo, Xiao,Zhang, Guolin,Yu, Yongping
supporting information, p. 5285 - 5289 (2016/08/04)
An efficient synthesis of 2,4,5-trisubstituted thiazoles via the reaction of α-nitroepoxides and thioureas under mild conditions has been developed. This reaction proceeded well at room temperature, to afford products in excellent yields for a wide range
NOVEL COMPOUNDS
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Page/Page column 77, (2016/04/20)
The present invention relates to novel compounds and methods for the manufacture of inhibitors of deubiquitylating enzymes (DUBs). In particular, the invention relates to the inhibition of ubiquitin C-terminal hydrolase L1 (UCHL1). The invention further relates to the use of DUB inhibitors in the treatment of cancer and other indications. Compounds of the invention include compounds having the formula (I) or a pharmaceutically acceptable salt thereof, wherein R1 to R8 are as defined herein.
Preparation method of 4,5-disubstituted-2-substituted aminothiazole compound
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Paragraph 0056; 0057; 0058; 0059; 0060-0064; 0089-0093, (2016/10/10)
The invention discloses a preparation method of a 4,5-disubstituted-2-substituted aminothiazole compound. The preparation method comprises steps as follows: 1), nitro epoxy compounds and thiourea compounds react at the room temperature for 4-8 h in the pr
NF-KB ACTIVATION INHIBITORS
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Page/Page column 107, (2008/06/13)
A medicament having inhibitory activity against NF-κB activation which comprises as an active ingredient a substance selected from the group consisting of a compound represented by the following general formula (I) and a pharmacologically acceptable salt thereof, and a hydrate thereof and a solvate thereof: wherein A represents hydrogen atom or acetyl group, E represents a 2,5-di-substituted or a 3,5-di-substituted phenyl group, or a monocyclic or a fused polycyclic heteroaryl group which may be substituted, provided that the compound wherein said heteroaryl group is 1○ a fused polycyclic heteroaryl group wherein the ring which binds directly to ―CONH― group in the formula (I) is a benzene ring, 2○ unsubstituted thiazol-2-yl group, or 3○ unsubstituted benzothiazol-2-yl group is excluded, ring Z represents an arene which may have one or more substituents in addition to the group represented by formula ―O―A wherein A has the same meaning as that defined above and the group represented by formula -CONH-E wherein E has the same meaning as that defined above, or a heteroarene which may have one or more substituents in addition to the group represented by formula ―O―A wherein A has the same meaning as that defined above and the group represented by formula ― CONH―E wherein E has the same meaning as that defined above.
THERAPEUTIC AGENT FOR CANCER
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Page/Page column 107, (2010/02/11)
A medicament for the prevention and/or treatment of cancers and the like which comprises as an active ingredient a substance selected from the group consisting of a compound represented by the following general formula (I) and a pharmacologically acceptable salt thereof, and a hydrate thereof and a solvate thereof: wherein A represents hydrogen atom or acetyl group, E represents a 2,5-di-substituted or a 3,5-di-substituted phenyl group, or a monocyclic or a fused polycyclic heteroaryl group which may be substituted, provided that the compound wherein said heteroaryl group is 1? a fused polycyclic heteroaryl group wherein the ring which binds directly to ―CONH― group in the formula (I) is a benzene ring, 2? unsubstituted thiazol-2-yl group, or 3? unsubstituted benzothiazol-2-yl group is excluded, ring Z represents an arene which may have one or more substituents in addition to the group represented by formula ―O―A wherein A has the same meaning as that defined above and the group represented by formula ―CONH―E wherein E has the same meaning as that defined above, or a heteroarene which may have one or more substituents in addition to the group represented by formula ―O―A wherein A has the same meaning as that defined above and the group represented by formula ― CONH―E wherein E has the same meaning as that defined above.
REMEDIES FOR NEURODEGENERATIVE DISEASES
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Page/Page column 106, (2010/02/12)
A medicament for preventive and/or therapeutic treatment of neurodegenerative diseases such as Alzheimer's disease or the like which comprises as an active ingredient a substance selected from the group consisting of a compound represented by the following general formula (I) and a pharmacologically acceptable salt thereof, and a hydrate thereof and a solvate thereof: wherein A represents hydrogen atom or acetyl group, E represents a 2,5-di-substituted or a 3,5-di-substituted phenyl group, or a monocyclic or a fused polycyclic heteroaryl group which may be substituted, provided that the compound wherein said heteroaryl group is 1○ a fused polycyclic heteroaryl group wherein the ring which binds directly to -CONH- group in the formula (I) is a benzene ring, 2○ unsubstituted thiazol-2-yl group, or 3○ unsubstituted benzothiazol-2-yl group is excluded, ring Z represents an arene which may have one or more substituents in addition to the group represented by formula -O-A wherein A has the same meaning as that defined above and the group represented by formula -CONH-E wherein E has the same meaning as that defined above, or a heteroarene which may have one or more substituents in addition to the group represented by formula -O-A wherein A has the same meaning as that defined above and the group represented by formula -CONH-E wherein E has the same meaning as that defined above.
INHIBITORS AGAINST THE ACTIVATION OF AP-1 AND NFAT
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Page/Page column 149, (2008/06/13)
A medicament inhibiting the activation of AP-1 which comprises as an active ingredient a substance selected from the group consisting of a compound represented by the following general formula (I) and a pharmacologically acceptable salt thereof, and a hydrate thereof and a solvate thereof: wherein X represents a connecting group whose number of atoms in the main chain is 2 to 5 (said connecting group may be substituted), A represents hydrogen atom or acetyl group, E represents an aryl group which may be substituted or a hetero aryl group which may be substituted, ring Z represents an arene which may have one or more substituents in addition to the group represented by formula -O-A wherein A has the same meaning as that defined above and the group represented by formula -X-E wherein each of X and E has the same meaning as that defined above, or a heteroarene which may have one or more substituents in addition to the group represented by formula -O-A wherein A has the same meaning as that defined above and the group represented by formula -X-E wherein each of X and E has the same meaning as that defined above.
