Synthesis of Stable Phosphorus Ylides by the Reaction of Ph3P With Activated Acetylenes in the Presence of Dimethyl Methoxymalonate

Triphenylphosphine reacts with dimethyl methoxymalonate in the presence of alkyl propiolates or dialkyl acetylenedicarboxylates to produce trialkyl 3-(1,1,1-triphenyl-λ 5 -phosphanylidene)-1-propene-1,1,2-tricarboxylates or tetraalkyl 3-(1,1,1-triphenyl-λ 5 -phosphanylidene)-1-propene-1,1,2,3-tetrac...

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Bibliographic Details
Published in:Phosphorus, sulfur, and silicon and the related elements sulfur, and silicon and the related elements, 2007-03, Vol.182 (3), p.595-600
Main Authors: Yavari, Issa, Karimi, Elham
Format: Article
Language:English
Subjects:
Activated acetylene
phosphorus ylide
triphenylphosphine
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Summary:Triphenylphosphine reacts with dimethyl methoxymalonate in the presence of alkyl propiolates or dialkyl acetylenedicarboxylates to produce trialkyl 3-(1,1,1-triphenyl-λ 5 -phosphanylidene)-1-propene-1,1,2-tricarboxylates or tetraalkyl 3-(1,1,1-triphenyl-λ 5 -phosphanylidene)-1-propene-1,1,2,3-tetracarboxylates in good yields.
ISSN:1042-6507
1563-5325
DOI:10.1080/10426500601015716