The present invention provides a compound represented by the following formula [1'] or a salt thereof:
wherein ring A, R2, R3, R4 and X are as defined in the description, and an agent for the treatment or prophylaxis of a pathology involving glucocorticoid, or a 11βHSD1 inhibitor, containing the compound or a salt thereof.
Provided is a method capable of efficiently producing a compound having a superior HSD1 inhibitory action and a compound useful as a synthetic intermediate therefor, with superior achievability of asymmetric synthesis (i.e., superior selectivity), superior yield, superior safety and superior industrial workability at a low cost.
A method of producing a compound represented by the following formula [8]:
or a salt thereof, or a solvate thereof, from a compound represented by the following formula [2]:
or a reactive derivative thereof, or a salt thereof, or a solvate thereof.
Transition-Metal-Free Synthesis of Oxindoles by Potassium <i>tert</i>-Butoxide-Promoted Intramolecular α-Arylation
作者:Astrid Beyer、Julien Buendia、Carsten Bolm
DOI:10.1021/ol301704z
日期:2012.8.3
Potassium tert-butoxide-mediated intramolecular alpha-arylations of fluoro- and chloro-substituted anilides provide oxindoles in DMF at 80 degrees C. In this manner, diversely substituted products have been obtained in moderate to high yields.