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NOVEL SYNTHESIS OF PHOSPHORANYLIDENE-CYCLOBUTYLIDENE DERIVATIVES FROM THE REACTION OF N-PHENYLIMENOVTNYLIDENE -, 2-OXOVINYLIDENE- AND 2-THIOXOVINYLIDENE-TRIPHENYLPHOSPHORANE WITH α-DHKETONES. by Fouad M. Soliman; Khairia M. Khalil; Medhat Μ Said; Soher S. Maigali is a Chemistry article available to read on EtoBox.

What is NOVEL SYNTHESIS OF PHOSPHORANYLIDENE-CYCLOBUTYLIDENE DERIVATIVES FROM THE REACTION OF N-PHENYLIMENOVTNYLIDENE -, 2-OXOVINYLIDENE- AND 2-THIOXOVINYLIDENE-TRIPHENYLPHOSPHORANE WITH α-DHKETONES. about?

## Naphtho [2,1-b] fiiran -l,2-dione(l), isatin (8a), N-methylisatin (8b) and/or N-acetyl isatin (8c) can be converted by reaction with N-phenyliminovinylidene-(2a), 2-oxovinylidene-(2b) and/or 2-thioxovinylidentriphenylphosphorane (2c) into the corresponding phosphoranylidene-cyclobutylidene derivatives (5a-c) and (9a-i) respectively. The structure of the new cyclobutylidenes was confirmed on the bases of elemental analysis and spectral studies.

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Author

Fouad M. Soliman; Khairia M. Khalil; Medhat Μ Said; Soher S. Maigali

Publisher

Walter de Gruyter GmbH

Published

2002

Language

EN

Field

Chemistry (Physical Sciences)