The Journal of Organic Chemistry

Preparation and ring-opening of benzylic and allylic cyclopropyl dianions

CA Ogle, KC Black, PF Sims

Index: Ogle, Craig A.; Black, Kristyna C.; Sims, Philip F. Journal of Organic Chemistry, 1992 , vol. 57, # 12 p. 3499 - 3503

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Citation Number: 16

Abstract

3500 J. Org. Chem., Vol. 57, No. 12, 1992 pears to be an example of an electrocyclic ring-~ pening.~ There are apparent examples of cyclopropyl anions undergoing thermally allowed conrotatory ring-openings? light-promoted disrotatory ring-openings? and thermally forbidden disrotatory ring-openings. e Since the rate of rotation of the allyl bond in the allyl anion is fast relative to the ring-opening, the sense of the ring-opening is difficult to ...

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