- Synthesis of New P-substituted Iminophosphoranes Via Staudinger Raction and Antimicrobial Activity Evaluation
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A class of two series of new P-substituted iminophosphoranes, N-(1,3-benzothiazol-2-ylmethyl)-N-(alkyl subtituted-λ5-phosphanylidene)amine 5(a-e) and N-(alkyl substituted-λ5-phosphanylidene)-(3,5-difluorophenyl)methanamine 9(a-e) was
- Madhava,Subramanyam,Thaslim Basha,Jawahar Babu,Naga Raju
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- Copper(II) catalyzed heterobenzylic C(sp3)-H activation: Two efficient halogenation methodologies towards heterobenzyl halides
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Two practical and simple synthetic methodologies towards various heterobenzyl halides were developed. A series of 2-halomethylquinolines were readily prepared by the one-pot reaction of 2-methylquinolines with CuX (X = I, Br, Cl) and TBHP in CH3CN. A large variety of heterobenzyl iodides, including 2-iodomethylquinolines, 2-iodomethylquinoxalines, 2-iodiomethylbenzooxazole, and 2-iodiomethylbenzothiazole, were efficiently synthesized by one-pot reaction of 2-methylheterocycles with iodine in the presence of CuSO4·5H2O in CH3CN.
- Bi, Wen Zhu,Qu, Chen,Chen, Xiao Lan,Wei, Sheng Kai,Qu, Ling Bo,Liu, Shu Yun,Sun, Kai,Zhao, Yu Fen
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p. 1908 - 1917
(2018/03/13)
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- Catalytic Aerobic Photo-oxidation of a Methyl Group on a Heterocycle to Produce an Aldehyde via Homolytic C-I Bond Cleavage caused by Irradiation with Visible Light
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A new catalytic method was developed for photo-oxidizing the methyl group on aromatic heterocycles such as benzothiazole, benzoxazole, and quinoline to produce the corresponding aldehyde. This is the first report of the metal-free catalytic synthesis of benzothiazole-2-carboxaldehydes using molecular oxygen as the terminal oxidant.
- Nagasawa,Tachikawa,Yamaguchi,Tada,Miura,Itoh
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supporting information
p. 178 - 182
(2016/02/14)
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- PIPERIDINONES USEFUL IN THE TREATMENT OF INFLAMMATION
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There is provided compounds of formula (I): wherein R1, R2, R3, R4, R5, R6, R7, m and n have meanings given in the description, and pharmaceutically acceptable derivatives thereof, which compounds are useful in the treatment of diseases and conditions associated with inflammation.
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Page/Page column 107-108
(2008/12/07)
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- Samarium Barbier reactions of α-iodomethyloxazoles and thiazoles with aliphatic aldehydes
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(Chemical Equation Presented) The reductive coupling of substituted α-iodomethyloxazoles and thiazoles with aliphatic aldehydes under Barbier conditions provides an effective method for the direct incorporation of intact heterocyclic systems.
- Williams, David R.,Berliner, Martin A.,Stroup, Bryan W.,Nag, Partha P.,Clark, Michael P.
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p. 4099 - 4102
(2007/10/03)
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