Compounds of Formula (I), (where variables R
1
, A, B, W, X, Y and Z are as defined herein) useful as antagonists of CGRP receptors and useful in the treatment or prevention of diseases in which the CGRP is involved, such as headache, migraine and cluster headache. The invention is also directed to pharmaceutical compositions comprising these compounds and the use of these compounds and compositions in the prevention or treatment of such diseases in which CGRP is involved.
Compounds of Formula I are useful inhibitors of tankyrase. Compounds of Formula I have the following structure: where the definitions of the variables are provided herein.
Cu(I)-Catalyzed C−H α-Amination of Aryl Ketones: Direct Synthesis of Imidazolinones
作者:Baoguo Zhao、Haifeng Du、Yian Shi
DOI:10.1021/jo9004553
日期:2009.6.5
This paper describes an alpha-amination process of aryl ketones using CuCl as catalyst and di-tert-butyldiaziridinone as the nitrogen source. A variety of imidazolinone derivatives are prepared in moderate yields under mild conditions. A possible catalytic cycle is proposed for this reaction.