THERMOLYSE DE N,N-DIMETHYL HYDRAZINOPROPENOATES. PREPARATION D'YLURES D'OXOPYRAZOLINIUM ET DE PYRAZOLINONES-5

DOI: 10.1016/S0040-4020(01)90606-4

Source and publish data:

Tetrahedron p. 2263 - 2274 (1986)

Update date:2022-08-03

Topics:

Authors:

Coqueret, X.

Bourelle-Wargnier, F.

Chuche, J.

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Article abstract of DOI:10.1016/S0040-4020(01)90606-4

Synthesis and gas phase pyrolysis of various N,N dialkylenhydrazinopropenoate derivatives 7a-g are described.At temperatures above 400 deg C, these compounds give 2-pyrazolin-5 ones 4a-e.At lower temperatures, the pyrazolinium ylides 3a-g are isolated in

Full text of DOI:10.1016/S0040-4020(01)90606-4

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