Results 201 to 210 of about 2,756 (214)

Efficient and general method for the synthesis of benzopyrans by ethylenediamine diacetate-catalyzed reactions of resorcinols with α,β-unsaturated aldehydes. One step synthesis of biologically active (±)-confluentin and (±)-daurichromenic acid

Tetrahedron Letters, 2005
Yong Rok Lee
exaly  

A novel carbanion-olefin intramolecular cyclization: synthesis of substituted 2-aroyl-3,4-dihydro-2H-benzopyrans from salicylaldehydes

Tetrahedron Letters, 2009
Liang-Yeu Chen, Sie-Rong Li, Po-Yuan Chen   +2 more
exaly  

Benzopyrans as selective estrogen receptor β agonists (SERBAs). Part 5: Combined A- and C-ring structure–activity relationship studies

Bioorganic and Medicinal Chemistry Letters, 2007
Timothy I Richardson, Jeffrey A Dodge, Jim D Durbin   +2 more
exaly  

Conversion of 4-1-Benzopyran-4-thiones into 4-1-Benzopyran-4-ones

2003
A. C. Williams, N. Camp
openaire   +1 more source

Benzopyrans. 17. Triethylamine-mediated transformation of 4-oxo-4H-[1]benzopyran-3-carboxaldehyde

The Journal of Organic Chemistry, 1984
Chandra Kanta Ghosh, Chandrakanta Bandyopadhyay, Nimai Tewari   +2 more
openaire   +1 more source

Synergistic effect of three benzopyrans isolated from Hypericum polyanthemum in U‐373 MG glioblastoma cell line

Phytotherapy Research, 2008
Ivana Grivicich, Alexandre De Barros Falcão Ferraz, Andrea Regner   +2 more
exaly  

Conversion of 2-1-Benzopyran-2-ones into 2-1-Benzopyran-2-thiones

2003
A. C. Williams, N. Camp
openaire   +1 more source

Conversion of 4-1-Benzopyran-4-ones into 4-1-Benzopyran-4-thiones

2003
A. C. Williams, N. Camp
openaire   +1 more source

Sc(OTf)3-catalyzed diastereoselective synthesis of 3,4-dihydro-4-amino-2H-1-benzopyrans

Tetrahedron Letters, 2001
B V Subba Reddy
exaly  

Studies in the benzopyran series

1949
openaire   +1 more source