Trishin J.; Konovalova I.; Burangulova R.; Burnaeva L.; Chistokletov V.; Pudovik A.
(1989)
The interaction between dialkyl alkynylphosphonites and pyruvic acid methyl ester in boiling benzene afforded 1,1-dialkoxy-3,6-dimethyl-3,6-di(methoxycarbonyl)-4R-2,7-dioxa-1-phosphabicyclo [3.2.0] hept-4-enes. © 1989.