Methods for synthesis of substituted tetrahydrofuran compound
申请人:Millennium Pharmaceuticals, Inc.
公开号:US06310221B1
公开(公告)日:2001-10-30
The invention includes inter alia new methods for preparation of the pharmaceutically active compound 2-(4-fluorophenoxymethyl)-5-(4-N-hydroxyureidyl-1-butynyl)-tetrahydrofuran and precursors thereof.
Method for the synthesis of pharmacologically active compounds and
申请人:Aktiebolaget Hassle
公开号:US04777293A1
公开(公告)日:1988-10-11
A process for the preparation of an aryloxypropanolamine of the formula Ar--OCH.sub.2 CH(OH)CH.sub.2 NH--R I wherein Ar is a carbocyclic or heterocyclic aromatic group and R is an alkyl or substituted alkyl group having 1 to 6 carbon atoms, characterized in subjecting a compound of the formula ##STR1## to oxidative cleavage to a dialdehyde of the formula ##STR2## which is then made subject to reduction, amination, acetal hydrolysis, and, where required, removal of a nitrogen protective group, to the formation of a compound of formula I, or an acid addition salt thereof, a compound of formula II and the preparation thereof from mannitol.
[EN] SUBSTITUTED OXYGEN ALICYCLIC COMPOUNDS, INCLUDING METHODS FOR SYNTHESIS THEREOF<br/>[FR] COMPOSES ALICYCLIQUES D'OXYGENE SUBSTITUES, PROCEDES DE SYNTHESE DE CES COMPOSES
申请人:LEUKOSITE INC
公开号:WO2000001381A1
公开(公告)日:2000-01-13
The invention provides new methods for preparation of cyclic oxygen compounds, including 2,5-disubstituted tetrahydrofurans, 2,6-disubstituted tetrahydropyrans, 2,7-disubstituted oxepanes and 2,8-oxocanes. The invention also provides new cyclic oxygen compounds and pharmaceutical compositions and therapeutic methods that comprise such compounds.
Synthesis of 1-deoxy-1-fluoro-l-glycerol and its 3-phosphate
作者:W.J. Lloyd、R. Harrison
DOI:10.1016/s0008-6215(00)85025-9
日期:1973.1
yield from d -mannitol. This alternative synthesis shows an improved yield over that previously described and provides confirmation of the optical purity of the product. 1-Deoxy-1-fluoro- l -glycerol 3-phosphate ( 4 ) was prepared from 1 by selective phosphorylation using dibenzyl phosphorochloridate, hydrogenolysis of the benzyl ester groupings, and characterisation of the product as its dicyclohexylamine
Method for the synthesis of pharmacologically active aryloxypropanol amine compounds
申请人:Aktiebolaget Hässle
公开号:EP0179031A2
公开(公告)日:1986-04-23
(57) A process for the preparation of an aryloxypropanolamine of the formula
wherein Ar is a carbocyclic or heterocyclic aromatic group and R is an alkyl or substituted alkyl group having 1 to 6 carbon atoms, characterized in subjecting a compound of the formula
to oxidative deavage to a dialdehyde of the formula
which is then made subject to reduction, amination, acetal hydrolysis, and, where required, removal of a nitrogen protective group, to the formation of a compound of formula I, or an acid accition salt thereof, a compound of formula II and the preparation thereof from mannitol.