Phosphorus, Sulfur and Silicon and the Related Elements p. 41 - 49 (1996)
Update date:2022-08-16
Topics:
Said, Medhat M.
Maigali, Soher S.
Soliman, Fouad M.
The reactions of the active phosphacumulenes, (2-oxovinylidene)-(7a) and (2-thioxovinylidene)triphenylphosphorane (7b) with several o-(8, 12, 14, 16) and p-quinones (18, 20, 22, 24) have been studied. Phosphoranylidene-cyclobutanediones (11a, 13a, 15a, 17a, 19a, 21a, 23a, 25a) and dithioxocyclobutylidenes (11b, 13b, 15b, 17b, 19b, 21b, 23b, 25b) were obtained and identified on the basis of elemental analysis and spectroscopic studies.
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