93362-80-2Relevant articles and documents
7-Phenylbenzopyrano(or -thiopyrano)pyranes from 3-Benzylidenechromanones (or -thiochromanones)
Eiden, Fritz,Felbermeir, Gerda
, p. 861 - 867 (2007/10/02)
Cycloaddition reactions of the 3-benzylidenechromanones and -thiochromanones 3a-3f with the enamines 5 and 10a-10c resulted in the formation of the amino- or phenyl-benzopyrano(or -thiopyrano)dihydropyranes 6a-6f and 11a-11d.Compounds 6e and 11b we