Structural requirements in chiral diphosphine-rhodium complexes. II. N.M.R. determination of E, Z-geometry in prochiral substrates used in asymmetric hydrogenation reactions: α-acetamidocinnamic acids, esters, and parent azlactones.

Robert Glaser, Menachem Twaik

Research output: Contribution to journalArticlepeer-review

19 Scopus citations

Abstract

Using n.m.r. the configuration of the stable 4-benzylidene-2-methyl-2-oxazolin-5-one, substituted derivatives, and the corresponding acids and esters derived from the parent stable azlactones were all found to be of Z-stereochemistry.

Original languageEnglish
Pages (from-to)1219-1222
Number of pages4
JournalTetrahedron Letters
Volume17
Issue number15
DOIs
StatePublished - 1 Jan 1976

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