66341-21-7Relevant articles and documents
Custom synthesis of substituted butenolides, dihydropyranones, and α-E-alkylidenelactones via alkenylalumination
Veeraraghavan Ramachandran,Pratihar, Debarshi,Garner, Garrett,China Raju
, p. 4985 - 4988 (2011)
Alkenylalumination of aldehydes with [α-(ethoxycarbonyl)-β-(t- butyldimethylsilyloxyalkyl)alkenyl]diisobutylaluminum provides the corresponding α-Z-alkylidene-β′-hydroxy esters, which upon protection and treatment with trifluoroacetic acid lactonizes to f