专利号:US-2007060558-A1 优先权日:2004-07-30 标 题 :Hybrid molecules QA where Q is an aminoquinoline and A is an antibiotic residue, the synthesis and uses thereof as antibacterial agents 发明人:SANCHEZ MURIEL; MEUNIER BERNARD 权利人:CENTRE NAT RECH SCIENT 摘要:The invention concerns an aminoquinoline-antibiotic hybrid compound of general formula (I): Q—(Y 1 ) p —(U) p —(Y 2 ) p -A: wherein Q represents an aminoquinoline, (Y 1 ) p (U) p —(Y 2 ) p″ is an optional spacer and A is an antibiotic residue. The invention enables the antibiotic residue activity to be unexpectedly enhanced.
专利号:WO-2012038966-A1 优先权日:2010-09-22 标 题 :Process for the preparation of donepezil intermediate 发明人:NARAYANA RAO MUTYALA; RAMADAS CHAVAKULA; SRINIVAS RAO CHENNUPATI; SANDEEP GOKARAJU 权利人:TYCHE IND LTD; NARAYANA RAO MUTYALA; RAMADAS CHAVAKULA; SRINIVAS RAO CHENNUPATI; SANDEEP GOKARAJU 摘要:This invention relates to a process for the preparation of N-benzyl-4- formylpiperidine (I), a key intermediate used in the synthesis Donepezil. The said process comprises the decomposition of sulfoxonium complex of formula (V) in the presence of base. The compound of formula (V) may be prepared by a method comprising reacting N-Benzyl-4-hydroxymethylpiperidine (II) with dimethylsulfide and N-chlorosuccinamide; or dimethylsulfide and N-bromosuccinamide; or dimethylsulfide and chlorine gas; or thioanisole and N-chlorosuccinamide; or thioanisole and N-bromosuccinamide in a suitable organic solvent.
专利号:US-8580822-B2 优先权日:2006-12-11 标 题:Compositions, synthesis, and methods of using indanone based cholinesterase inhibitors 发明人:BHAT LAXMINARAYAN; MOHAPATRA PRABHU PRASAD 权利人:BHAT LAXMINARAYAN; MOHAPATRA PRABHU PRASAD; REVIVA PHARMACEUTICALS INC 摘要:The present invention provides novel indanone derivatives which can be advantageously used for treating and/or preventing of a medical condition for which inhibition of a cholinesterase is desired.
专利号:CN-101492420-A 优先权日:2008-01-22 标 题 :Synthesis of whorl(1-tetrahydronaphthalene-4,4'-piperidine) derivative
专利号:US-7091360-B2 优先权日:2002-04-16 标 题:Process for preparing heteroaryl and unsaturated heterocycloalkylmagnesium reagents and uses thereof 发明人:LI JIAYAO; LINK JOHN O; COLLADANT COLETTE 权利人:AVENTIS PHARMA SA 摘要:The present invention is directed to a novel process for preparing heteroaryl and unsaturated heterocycloalkylmagnesium reagents that are useful in the synthesis of a variety of pharmaceuticals, in particular certain cysteine protease inhibitors.
专利号:CN-115785087-B 优先权日:2021-09-09 标 题:A method for the synthesis of monovalent gold-catalyzed 1H-pyrido[4,3-b]indole skeleton compounds