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Catalytic [6π+2π]-cycloaddition of alkynes, 1,2- and 1,3-dienes to 1,3,5-cycloheptatrienes involving Ti complexes

✍ Scribed by Dzhemilev, Usein M.; Kadikova, Gulnara N.; Kolokol'tsev, Dmitry I.; D'yakonov, Vladimir A.


Book ID
120252119
Publisher
Elsevier Science
Year
2013
Tongue
French
Weight
249 KB
Volume
69
Category
Article
ISSN
0040-4020

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✍ Masaji Oda; Nobuyuki Fukazawa; Yoshio Kitahara 📂 Article 📅 1977 🏛 Elsevier Science 🌐 French ⚖ 238 KB

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