Novel intermediates for the synthesis of (r)-tamsulosin and of its pharmaceutically acceptable salts and process for their preparation
申请人:Dambrin Valéry
公开号:US20070106079A1
公开(公告)日:2007-05-10
A subject matter of the present invention is novel intermediates for the synthesis of (R)-tamsulosin and of its pharmaceutically acceptable salts, and also the associated preparation process.
本发明的主题是一种合成(R)-坦索罗辛及其药用可接受盐的新型中间体,以及相关的制备工艺。
Tius, M. A.; Gu, X.; Truesdell, J. W., Molecular Crystals and Liquid Crystals (1969-1991), 1987, vol. 150, p. 247 - 256
作者:Tius, M. A.、Gu, X.、Truesdell, J. W.、Savariar, S.、Yang, D. K.、Crooker, P. P.
DOI:——
日期:——
US7619116B2
申请人:——
公开号:US7619116B2
公开(公告)日:2009-11-17
An Efficient Asymmetric Synthesis of a Liquid Crystal
作者:Marcus A. Tius、Xue-qin Gu、Joel W. Truesdell、Selvaraj Savariar、P. P. Crooker
DOI:10.1055/s-1988-27458
日期:——
A synthesis of L-(-)-4-(2-methylbutyl)phenyl4′-(2-methylbutyl)bi-phenyl-4-carboxylate (CE2) and of related chiral liquid crystals has been reported; nevertheless, a detailed experimental and spectrometric characterization of both the intermediates and the final product has been lacking in the literature. We present here the first synthesis of the enantiomer of CE2 with full experimental details including spectroscopic data for each of the intermediates. The description of the synthesis of (R)-(+)-2-methylbutanyl will be broadly useful for preparing other liquid crystals with optically active (R)-2-methylbutyl side chains.