Synthesis and a [ฯ2s+ ฯ2s+ ฯ2s] cycloadd
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Masaji Oda; Nobuyuki Fukazawa; Yoshio Kitahara
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Article
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1977
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Elsevier Science
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French
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Dimethylenecyclopolyenes of type 1. are an interesting class of compounds. The n=l member of this class is 3,6-dimethylene-1,4-cyclohexadiene 2 which is an important intermediate for [2.2]paracyclophane. 1 -Of two possible dimethylenecyclooctatrienes, 7,8-dimethylene-1,3,5-cyclooctatriene 2 was sy