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11,13-Methylenation of sesquiterpene exomethylene-γ-lactones: Synthesis of sesquiterpene cyclopropyl-γ-lactones
Giovanni Appendinoa,*, Elisabetta Ghilardia, Giancarlo Cravottoa and Pierluigi Gariboldi
Collect. Czech. Chem. Commun. 1991, 56, 1052-1063
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http://dx.doi.org/10.1135/cccc19911052