Topic
Benzopyran
About: Benzopyran is a research topic. Over the lifetime, 1889 publications have been published within this topic receiving 15235 citations.
Papers published on a yearly basis
Papers
More filters
9 citations
Patent•
26 Oct 1988
TL;DR: In this article, novel benzopyrans having pharmacological activity, to a process for preparing them, to pharmaceutical compositions containing them, and to their use in the treatment of hypertension are presented.
Abstract: Disclosed herein are novel benzopyrans having pharmacological activity, to a process for preparing them, to pharmaceutical compositions containing them, and to their use in the treatment of hypertension.
9 citations
9 citations
TL;DR: In this paper, an elegant method for the preparation of 4-oxo-4H-1-benzopyran-3-carboxaldehydes was reported independently by Nohara et al.
9 citations
TL;DR: Cycloaddition of dichloroketene to N,N-disubstituted 3-aminomethylene-4-chromanones gave in good yield 4-amino-3,3-dichloro,3,4-dihydro-5H-pyrano[3,2-c][1]benzopyran-2-ones only in the case of aromatic Nsubstitution as mentioned in this paper.
9 citations