An environmentally friendly procedure for Mukaiyama aldol and Mukaiyama–Michael reactions using a catalytic amount of DBU under solvent- and metal-free conditions
作者:Zhi-Liang Shen、Shun-Jun Ji、Teck-Peng Loh
DOI:10.1016/j.tetlet.2004.11.099
日期:2005.1
Mukaiyama aldol and Mukaiyama–Michael reactions can proceed smoothly in the presence of a catalytic amount of DBU (20% mmol), to afford the corresponding products in moderate to good yields. This solvent- and metal-free approach provides an environmentallyfriendly procedure for Mukaiyama reactions.
Mukaiyama aldol reaction using ketene silyl acetals with carbonyl compounds in ionic liquids
作者:Shui-Ling Chen、Shun-Jun Ji、Teck-Peng Loh
DOI:10.1016/j.tetlet.2003.10.155
日期:2004.1
Mukaiyamaaldolreactions using ketene silyl acetals with various aldehydes proceed smoothly in ionicliquids to afford the corresponding aldol products in moderate yields.
The present invention provides a compound of formula I:
said compound is inhibitor of aldosterone synthase, and/or 11beta-hydroxylase (CYP11B1), and thus can be employed for the treatment of a disorder or disease mediated by aldosterone synthase and/or CYP11B1. Finally, the present invention also provides a pharmaceutical composition.
The present invention provides a compound of formula I:
said compound is inhibitor of aldosterone synthase, and/or 11beta-hydroxylase (CYP11B1), and thus can be employed for the treatment of a disorder or disease mediated by aldosterone synthase and/or CYP11B1. Finally, the present invention also provides a pharmaceutical composition.
Titanium silicate molecular sieve, TS-1, catalysed C–C bond formation in Mukaiyama type aldol reactions
作者:M. Sasidharan、Satya V. N. Raju、K. V. Srinivasan、Vincent Paul、R. Kumar
DOI:10.1039/cc9960000129
日期:——
The titanium silicate molecular sieve, TS-1, efficiently catalyses the formation of carbon-carbon bond in the Mukaiyama type aldol reaction of silyl enol ethers and aldehydes forming beta-hydroxy esters/aldols in high yields under heterogeneous and ambient reaction conditions.