Title of article :
A new type of photodimerization reaction for coumarin derivatives
Author/Authors :
Kawata، نويسنده , , Hiroki and Ichikawa، نويسنده , , Satoko and Kumagai، نويسنده , , Tsutomu and Niizuma، نويسنده , , Shigeya، نويسنده ,
Issue Information :
هفته نامه با شماره پیاپی سال 2002
Abstract :
Irradiation (λ >300 nm) of coumarin-3-carboxylic acid gives the decarboxylated 4,4′-dimer of chroman-2-one, the structure of which is quite different from that of [π2s+π2s] cycloaddition dimer as is observed in the past in the photoreaction of coumarin or some of its derivatives.
Keywords :
coumarin-3-carboxylic acid , Photodimerization , Decarboxylation , hydrogen abstraction
Journal title :
Tetrahedron Letters
Journal title :
Tetrahedron Letters
