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Mechanism and Stereoselectivity of the Aza-Wittig Reaction between Phosphazenes and Aldehydes

✍ Scribed by Cossío, Fernando P.; Alonso, Concepción; Lecea, Begoña; Ayerbe, Mirari; Rubiales, Gloria; Palacios, Francisco


Book ID
111962156
Publisher
American Chemical Society
Year
2006
Tongue
English
Weight
666 KB
Volume
71
Category
Article
ISSN
0022-3263

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An indirect Wittig reaction via isolation of a 1,2-hydroxyphosphonium salt and subsequent treatment with a base such as DBU showed identical stereoselectivity with the corresponding direct Wittig reaction at least between an aliphatic aldehyde and an unstable ylide. The mechanism of the indirect Wit