141621-75-2Relevant academic research and scientific papers
Heterocyclic compounds: 2-styryl-4H-1-benzopyran-4-ones
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, (2008/06/13)
A compound of the formula (I) STR1 in which: R1 represents a hydrogen atom, a lower alkyl group, a hydroxy group or a lower alkoxy group, R2, R3, R4, R5, R6, R7, R8 an
New route to styrylchromones via [1-(2-hydroxybenzoyl)alkylidene]triphenylphosphoranes
Zammattio,Brion,Le Baut,Ducrey
, p. 375 - 376 (2007/10/02)
Several [1-(2-hydroxybenzoyl)alkylidene]triphenylphosphoranes have been obtained in good yields through acylation of the corresponding alkylidenetriphenylphosphoranes, prepared in situ, by the easily available methyl 2-hydroxybenzoates. These ylides prove
