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Synthesis of Hydrocarbon Derivatives by the Wittig Reaction II. Diarylbutadienes and Quinquephenyls 1

✍ Scribed by McDONALD, RICHARD N.; CAMPBELL, TOD W.

Book ID
127007074
Publisher
American Chemical Society
Year
1959
Tongue
English
Weight
952 KB
Volume
24
Category
Article
ISSN
0022-3263

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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