SYNTHESIS AND [3+2] CYCLOADDITION OF A 1,1-DIALKOXY-2-METHYLENECYCLOPROPANE: 6,6-DIMETHYL-1-METHYLENE-4,8-DIOXASPIRO[2.5]OCTANE and cis-5-(5,5-DIMETHYL-1,3-DIOXAN-2-YLIDENE)HEXAHYDRO-1(2H)-PENTALEN-2-ONE ((4,8-Dioxaspiro[2.5]octane, 6,6-dimethyl-1-methylene-))

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Preparation of (4,8-Dioxaspiro[2.5]octane, 6,6-dimethyl-1-methylene-). Submitted by Masaharu Nakamura1, Xiao Qun Wang1, Masahiko Isaka1, Shigeru Yamago2, and Eiichi Nakamura1. DOI: 10.15227/orgsyn.080.0144.

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