NORCARADIENE-CYCLOHEPTATRIENE EQUILIBRIUM IN 7-ALKYL-7-CYANOCYCLOHEPTATRIENES

DOI: 10.1246/cl.1981.979

Source and publish data:

Chemistry Letters p. 979 - 982 (1981)

Update date:2022-09-26

Topics:

Authors:

Takahashi, Kazuo

Takase, Kahei

Toda, Hideo

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Article abstract of DOI:10.1246/cl.1981.979

The steric effect on the cycloheptatriene (CHT) - norcaradiene (NCD) equilibrium has been studied in simple 7-alkyl-7-cyanocycloheptatrienes, such as 7-ethyl-, 7-benzyl-, 7-isopropyl-, 7-cyclopropenyl-, and 7-tert-butyl-7-cyanocycloheptatrienes.The NCD component increases with bulkiness of the 7-alkyl group in this order, but the cycloheptatriene carrying an extremely bulky 7-tert-butyl group is out of this order.

Full text of DOI:10.1246/cl.1981.979

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