Titanium mediated aldol addition reduction sequence is described for the synthesis of stereodefined 1,3-diols. Diastereochemical control is surprisingly achieved through the careful selection of starting materials used. (C) 1999 Elsevier Science Ltd. All rights reserved. Keywords: aldol reaction, reduction, stereocontrol, diols.
Reduction of .DELTA.2-isoxazolines. 3. Raney nickel catalyzed formation of .beta.-hydroxy ketones
作者:Dennis P. Curran
DOI:10.1021/ja00356a021
日期:1983.9
On determine les conditions optimales de transformation d'isoxazolines-2 en β-hydroxycetones en utilisant un catalyseur Ni de Raney, l'acide borique, un melange 5/1 methanol/eau et l'hydrogene gazeux
确定最佳条件转化 d'isoxazolines-2 en β-hydroxycetones en utilisant un catalyseur Ni de Raney, l'acide borique, un melange 5/1 甲醇/eau et l'hydrogene Gazeux
Methods for the conversion of isoxazolines to β-hydroxy ketones
作者:Alan P. Kozikowski、Maciej Adamczyk
DOI:10.1016/s0040-4039(00)88575-5
日期:1982.1
Two methods have been developed for converting isoxazolines to β-hydroxy ketones in a stereospecific manner.
已经开发出两种方法以立体特异性方式将异恶唑啉转化为β-羟基酮。
Reduction of .DELTA.2-isoxazolines: a conceptually different approach to the formation of aldol adducts
作者:Dennis P. Curran
DOI:10.1021/ja00378a050
日期:1982.7
MONOBACTAMS AND METHODS OF THEIR SYNTHESIS AND USE
申请人:PRESIDENT AND FELLOWS OF HARVARD COLLEGE
公开号:US20160326157A1
公开(公告)日:2016-11-10
Described herein are monobactam antibiotics of Formula (I), (I′), (II), and (II′), along with methods and intermediates for preparing these compounds. Pharmaceutical compositions and methods of treating infectious diseases using the monobactams are also provided.