Enantioselective synthesis of 1,2-acetonide of (2S,3R)-3-N-boc-3-amino-4-phenyl-1,2-butanediol
摘要:
An efficient and stereocontrolled preparation of the (2S,3R)-1,2-acetonide 15, from hydrazone 10, leading to a (D)-phenylalaninol derivative, potentially useful for the design of HIV protease inhibitors, is described. Copyright (C) 1995 Elsevier Science Ltd
Organolithium addition to aldehyde dimethylhydrazones: a highly diastereocontrolled synthesis of threo 2-amino alcohols, and (1R,2R)-(-)-norpseudoephedrine
作者:David A. Claremon、Patricia K. Lumma、Brian T. Phillips
DOI:10.1021/ja00286a027
日期:1986.12
L'addition conduit a des β-aminoalcools satures. Synthese de la norpseudoephedrine a partir de phenyl-1 propene-2ol-1
L'加成导管a des β-aminoalcools saturs。Synthese de la norpseudoephedrine a partir de phenyl-1 propene-2ol-1
From aldehydes to nitriles, a general and high yielding transformation using HOF·CH3CN complex
作者:Mira Carmeli、Neta Shefer、Shlomo Rozen
DOI:10.1016/j.tetlet.2006.10.014
日期:2006.12
N,N-Dimethylhydrazones of aldehydes undergo a rapid oxidative cleavage to form nitriles in very high yields on reaction with HOF·CH3CN under mild conditions. The reaction is chemoselective and proceeds rapidly without racemization. The nitriles were resistant to further oxidation, even when a large excess of the reagent was employed.
An efficient and stereocontrolled preparation of the (2S,3R)-1,2-acetonide 15, from hydrazone 10, leading to a (D)-phenylalaninol derivative, potentially useful for the design of HIV protease inhibitors, is described. Copyright (C) 1995 Elsevier Science Ltd