Conformationally Restricted Calix[8]arenes Substituted at All Methylene Bridges
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Reaction under SN1 conditions of the octabromocalix[8]arene derivative 2d with alcohols proceeds in nonstereoselective fashion, but all-cis octaryl derivatives are the single major products in the reaction with arenes. The incorporation of aryl substituents at the bridges rigidifies the calix[8]arene skeleton.
创建时间:
2016-02-23



