Journal of Organic Chemistry p. 1319 - 1324 (1987)
Update date:2022-07-29
Topics:
Schweizer, Edward E.
Haynes, John E.
Hirwe, S. N.
Rheingold, Arnold A.
The reactions of (3,4-diaza-2,4,6-heptatrienylidene)triphenylphosphoranes 12 with ketenes 15 provide a general route to 4,5-dihydropyrazolo<1,5-a>pyridines 18 via the thermal rearrangements of the allenylazine 16 intermediates.When one of the substituents
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(1963)
