منابع مشابه
A Facile Total Synthesis of Imatinib Base and Its Analogues
Imatinib and its analogues were successfully synthesized by an improved method in 19.5– 46.2% total yield of six main steps. Pyrimidinyl amine was prepared by the reaction of enaminone and guanidine nitrate without the use of a toxic cyanamide. N-(2Methyl-5-nitrophenyl)-4-(pyridin-3-yl) pyrimidin-2-amine as a key intermediate for the synthesis of imatinib was prepared by coppercatalyzed N-aryla...
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An efficient and novel synthesis of (R)-rugulactone has been achieved employing Sharpless asymmetric epoxidation of allyl alcohols followed by selective hydride reduction of epoxy alcohols and olefin cross metathesis reactions.
متن کاملFacile synthesis of AsP3.
The elements phosphorus and arsenic form tetrahedral P4 and As4 molecules, of which the former is a commodity chemical and the latter unstable. Previously, information on molecules of intermediate composition was limited to a spectroscopic study involving hot gas-phase mixtures of phosphorus and arsenic. The AsP3 molecule has yielded to chemical synthesis and was isolated in solid form as a pur...
متن کاملFacile synthesis of (+/-)-paeonilide.
(+/-)-Paeonilide, a novel monoterpenoid metabolite from the roots of Paeonia delavayi showing anti-platelet activating factor activity, is convergently synthesized in five steps with 59% overall yield. The application of benzoyl peroxide-promoted radical addition of unsaturated ester to aldehyde and subsequent topologically favored cyclization greatly simplified the synthesis.
متن کاملA FACILE SYNTHESIS OF (S) – (-) – PROPRANOLOL
A one-pot synthesis of (S)-(-)-propranolol is reported. Zn(NO3)2/(+)-tartaric acid catalyzed enantioselective synthesis of (S)-(-)-propranolol via kinetic resolution of key intermediate ?-naphthyl glycidyl ether with high optical and chemical yield.
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ژورنال
عنوان ژورنال: Journal of Chemical Research
سال: 1999
ISSN: 1747-5198,2047-6507
DOI: 10.1177/174751989902300246