Conformationally semi-constrained quinoxaline 2,3-diones as neuroprotective agents
申请人:Warner-Lambert Company
公开号:US06340758B1
公开(公告)日:2002-01-22
Described are neuroprotective agents of Formula I
wherein
R is an amino acid or nitrogen heterocyclic ring which is saturated or unsaturated of from 5 to 8 members which may have additional oxygen or sulfur atoms therein. The other provisions or substituents are described in the specification.
Synthesis of novel quinoxaline-5-carboxylic acid derivatives
作者:Brian E. Kornberg、Sham S. Nikam、Michael F. Rafferty
DOI:10.1002/jhet.5570360526
日期:1999.9
This paper describes the synthesis of several new 2,3-dimethoxy-6-methyl-7-nitro-quinoxaline-5-carboxylic acidderivatives (13a-m) via a multistep synthetic route from 5-methyl-1H-benzo[d][1,3]oxazine-2,4-dione (1).