There are disclosed compounds of formula (I) ##STR1## and pharmaceutically acceptable salts thereof which are useful as antagonists of GnRH and as such may be useful for the treatment of a variety of sex-hormone related and other conditions in both men and women.
The chiral phosphoric acid catalyzed enantioselective transferhydrogenation of various ketimines was achieved by the use of 2-aryl indoline as the hydrogen donor. Corresponding chiral amines were obtained in good chemical yields with excellent enantioselectivities.
DBSA‐Catalyzed Regioselective Dehydrative Friedel‐Crafts Arylation of CF
<sub>3</sub>
‐Containing 3‐Indolyl(2‐thiophenyl)methanols with 2‐Substituted Indoles in Water
A green and efficient regioselectivedehydrativeFriedel‐Craftsarylation of trifluorinated 3‐indolyl(2‐thiophenyl) methanols with 2‐substitutedindoles, catalyzed by DBSA (dodecylbenzenesulfonic acid) in water is described. This simple and atom‐economical protocol features a unique regioselective 1,8‐addition, operational simplicity, mild conditions, excellent functional group compatibility, and environmental
Palladium-Catalyzed Direct C-2 Arylation of Indoles with Aryl Halides in Aqueous Medium
作者:Chun Cai、Guo-ping Lu
DOI:10.1055/s-0032-1317702
日期:——
A newly developed, efficient catalytic system for direct C2-arylation of indoles with aryl halides in aqueous medium under mild conditions (80 °C) is reported. These procedures are free of toxic solvents, and exhibit improved yields and high chemo- and regioselectivity.