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Report | Regular issue | Vol 23, No. 7, 1985, pp.1723-1728
Published online, 1st January, 1970
DOI: 10.3987/R-1985-07-1723
Electrophilic Addition of Schiff Bases to Allenic Esters

Latchezar S. Trifonov and Alexander S. Orahovats*

*Centre of Ohyrochemistry, Centre of Ohyrochemistry, Bulgarian Academy of Sciences, 1113 Sofia, Bulgaria


The reaction between the Schiff base 1 and allenic esters 2a and 2b leads to the formation of the butenolide 3a and 1,2-oxaphosphole 3b instead of the Diels-Alder adducts 3a’ and 3b’ under catalysis with boron trifluoride.