Enantio- and diastereodifferentiating cis,trans-photoisomerization of 2β,3β-diphenylcyclopropane-1α-carboxylic acid derivatives in organized media

Eugene Cheung, Kenneth C W Chong, Sivaguru Jayaraman, Vaidhyanathan Ramamurthy, John R. Scheffer, James Trotter

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Abstract

Four methods of asymmetric induction in the cis,trans-photoisomerization of 2β,3β-diphenylcyclopropane-1α-carboxylic acid derivatives were studied. Best results (ca. 80% de) were obtained by irradiation of chiral esters, amides, and salts in NaY and LiY zeolites and in the pure crystalline state.

Original languageEnglish
Pages (from-to)2801-2804
Number of pages4
JournalOrganic Letters
Volume2
Issue number18
StatePublished - Sep 7 2000
Externally publishedYes

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ASJC Scopus subject areas

  • Molecular Medicine

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