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

doi:10.1016/S0040-4039(00)78022-1

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

Department of Chemistry

Research output: Contribution to journal › Article › peer-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 language	English
Pages (from-to)	1219-1222
Number of pages	4
Journal	Tetrahedron Letters
Volume	17
Issue number	15
DOIs	https://doi.org/10.1016/S0040-4039(00)78022-1
State	Published - 1 Jan 1976

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Biochemistry
Drug Discovery
Organic Chemistry

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title = "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.",

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.",

author = "Robert Glaser and Menachem Twaik",

year = "1976",

month = jan,

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doi = "10.1016/S0040-4039(00)78022-1",

language = "English",

volume = "17",

pages = "1219--1222",

journal = "Tetrahedron Letters",

issn = "0040-4039",

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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. / Glaser, Robert; Twaik, Menachem.
In: Tetrahedron Letters, Vol. 17, No. 15, 01.01.1976, p. 1219-1222.

Research output: Contribution to journal › Article › peer-review

TY - JOUR

T1 - Structural requirements in chiral diphosphine-rhodium complexes. II. N.M.R. determination of E, Z-geometry in prochiral substrates used in asymmetric hydrogenation reactions

T2 - α-acetamidocinnamic acids, esters, and parent azlactones.

AU - Glaser, Robert

AU - Twaik, Menachem

PY - 1976/1/1

Y1 - 1976/1/1

N2 - 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.

AB - 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.

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U2 - 10.1016/S0040-4039(00)78022-1

DO - 10.1016/S0040-4039(00)78022-1

M3 - Article

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SN - 0040-4039

VL - 17

SP - 1219

EP - 1222

JO - Tetrahedron Letters

JF - Tetrahedron Letters

IS - 15

ER -

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.

Abstract

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