Substitution of a nitro group by formyl or a chlorine atom in 3,6-dinitro-4-chlorocoumarin under vilsmeier-haack conditions
作者:T. Ya. Mozhaeva、O. L. Samsonova、V. L. Savel'ev
DOI:10.1007/bf00474061
日期:1988.9
US3974289A
申请人:——
公开号:US3974289A
公开(公告)日:1976-08-10
Coumarin derivatives for the treatment of allergies
申请人:Beecham Group Limited
公开号:US03974289A1
公开(公告)日:1976-08-10
Pharmaceutical compositions for the treatment of allergies are produced using coumarin derivatives as the active agent. Certain of these compounds and their salts are novel.