Formation of Novel 1:2 Adducts Between Bun3P.CS2 and Electron-deficient Alkynes

R Alan Aitken; S V  RAUT; G  FERGUSON

Formation of Novel 1:2 Adducts Between Buⁿ₃P.CS₂ and Electron-deficient Alkynes

R Alan Aitken, S V RAUT, G FERGUSON

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

Abstract

The zwitterionic adduct between tri-n-butylphosphine and carbon disulphide reacts under neutral conditions with two equivalents of dimethyl- and diethyl acetylenedicarboxylate, dibenzoylacetylene and methyl benzoylpropiolate to give novel crystalline dithiole-containing phosphorus ylides. An X-ray structure, spectroscopic and chemical properties all show these to be significantly stabilised by delocalisation.

Original language	English
Pages (from-to)	8023-8030
Number of pages	8
Journal	Tetrahedron
Volume	48
Issue number	37
Publication status	Published - 11 Sept 1992

Keywords

TETRATHIAFULVALENE
ANALOGS
YLIDES

Cite this

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abstract = "The zwitterionic adduct between tri-n-butylphosphine and carbon disulphide reacts under neutral conditions with two equivalents of dimethyl- and diethyl acetylenedicarboxylate, dibenzoylacetylene and methyl benzoylpropiolate to give novel crystalline dithiole-containing phosphorus ylides. An X-ray structure, spectroscopic and chemical properties all show these to be significantly stabilised by delocalisation.",

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AU - RAUT, S V

AU - FERGUSON, G

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Y1 - 1992/9/11

N2 - The zwitterionic adduct between tri-n-butylphosphine and carbon disulphide reacts under neutral conditions with two equivalents of dimethyl- and diethyl acetylenedicarboxylate, dibenzoylacetylene and methyl benzoylpropiolate to give novel crystalline dithiole-containing phosphorus ylides. An X-ray structure, spectroscopic and chemical properties all show these to be significantly stabilised by delocalisation.

AB - The zwitterionic adduct between tri-n-butylphosphine and carbon disulphide reacts under neutral conditions with two equivalents of dimethyl- and diethyl acetylenedicarboxylate, dibenzoylacetylene and methyl benzoylpropiolate to give novel crystalline dithiole-containing phosphorus ylides. An X-ray structure, spectroscopic and chemical properties all show these to be significantly stabilised by delocalisation.

KW - TETRATHIAFULVALENE

KW - ANALOGS

KW - YLIDES

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ER -

Formation of Novel 1:2 Adducts Between Buⁿ₃P.CS₂ and Electron-deficient Alkynes

Abstract

Keywords

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