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Communication | Regular issue | Vol 14, No. 4, 1980, pp.419-422
Published online, 1st January, 1970
DOI: 10.3987/R-1980-04-0419
Facile Formation of the Basic Skeletons of Naturally Occurring Terpenoidal Lactones

Tetsuji Kametani,* Toshio Honda, and Keiichiro Fukumoto

*Pharmaceutical Institute, Tohoku University, Aobayama, Sendai 980-8578, Japan


Three lactones which should be important intermediates in the synthesis of the corresponding natural terpenoidal lactones have been synthesized via thermolysis of benzocyclobutenes. Heating the benzocyclobutenes (7), (8) and (13) afforded the cyclized products (9), (10) and (14) respectively, in reasonable yields.