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The Reaction of Wittig and Wittig-Horner Reagents and Alkyl Phosphites with 1,2-Naphthoquinone-1-benzimide

✍ Scribed by Mona H. N. Arsanious


Book ID
105747270
Publisher
Springer Vienna
Year
1999
Tongue
English
Weight
158 KB
Volume
130
Category
Article
ISSN
0026-9247

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Wittig reagents 1a,b react with dicyanomethylene derivatives of fluorenone (3) and xanthone (4) to give the corresponding phosphoranylidenecyclobutylidene adducts 6a, 6b, 9a, and 9b. On the other hand, the reaction of Wittig-Horner reagents (2) with the same nitriles 3 and 4 afforded the respective