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Mechanism of Wittig reaction with cyclic anhydrides

โœ Scribed by Kayser, Margaret M.; Hatt, Krista L.; Hooper, Donald L.


Book ID
118062787
Publisher
NRC Research Press
Year
1992
Tongue
French
Weight
652 KB
Volume
70
Category
Article
ISSN
0008-4042

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Condensations of stabilized Wittig reagent 1 with a variety of substituted maleic anhydrides are discussed. It is proposed that the alkoyy substituents can act as Lewis bases towards the phosphorus of the ylid. Such conplexation, stabilizing the transition state for the reaction at the neighbouring