Reaction of zinc enolates derived from 1-aryl-2,2-dibromoalkan-1-ones with tetramethyl 2,2′-(1,4-phenylenedimethylidene)dimalonate,dimethyl 3,3′-(1,4-phenylene)bis(2-cyanoacrylate), and 2,2′-(1,4-phenylenedimethylidene)-bis(malononitrile) |
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Authors: | V. V. Shchepin D. V. Uzun Yu. G. Stepanyan P. S. Silaichev M. I. Vakhrin |
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Affiliation: | (1) Perm State University, ul. Bukireva 15, Perm, 614990, Russia |
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Abstract: | Zinc enolates derived from 1-aryl-2,2-dibromoalkanones reacted with tetramethyl 2,2′-(1,4-phenylenedimethylidene)dimalonate, dimethyl 3,3′-(1,4-phenylene)bis(2-cyanoacrylate), and 2,2′-(1,4-phenylenedimethylidene)bis(malononitrile) to give, respectively, tetramethyl 3,3′-(1,4-phenylene)bis(2-alkyl-2-aroylcyclopropane-1,1-dicarboxylates), dimethyl 3,3′-(1,4-phenylene)bis(2-alkyl-2-aroyl-1-cyanocyclopropane-1-carboxylates), and 3,3′-(1,4-phenylene)bis(2-alkyl-2-aroylcyclopropane-1,1-dicarbonitriles) as a single stereoisomer. |
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