Amino acid-catalyzed asymmetric α-amination of carbonyls
摘要:
Electrophilic amination of ketones and aldehydes in the presence of dibenzylazodicarboxylate in dichloromethane, using L-azetidine carboxylic acid as a catalyst, is described. Yields and ee are discussed in comparison with the corresponding L-proline-catalyzed reaction. (c) 2005 Elsevier Ltd. All rights reserved.
The present invention relates to certain novel pyridin compounds of Formula (I) to processes for preparing such compounds, to their utility as P2Y12 inhibitors and as anti-thrombotic agents etc, and processes for their preparation, their use as medicaments in cardiovascular diseases as well as pharmaceutical compositions containing them.
Novel lincomycin derivatives are disclosed. These lincomycin derivatives exhibit antibacterial activity. The compounds of the subject invention may exhibit potent activities against bacteria, including Gram positive organisms, and may be useful antimicrobial agents. Methods of synthesis and of use of the compounds are also disclosed.