Process for the manufacture of 1-halogen-1-oxo-.DELTA..sup.3 -ph

Details Process for the manufacture of 1-halogen-1-oxo-.DELTA..sup.3 -ph Process for the manufacture of 1-halogen-1-oxo-.DELTA..sup.3 -ph

1980-05-14

1982-09-07

Killos, Paul J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07F 934

Patent

active

043483372

ABSTRACT:
1-Halogen-1-oxo-.DELTA..sup.3 -phospholenes are produced in isomerically pure form by reacting phosphorus trihalides, 1,2-epoxides and 1,3-dienes in a molar proportion of 1 : greater than 1 : at least 1, without isolation of an intermediate stage and at elevated temperature. The process products are intermediates for the manufacture of fungicides, of additives for mineral oils and polymers and of catalysts for the manufacture of polyurethane foams.

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Arbuzov et al., "Isomerization of 1-oxo-1-chlorophospholenes in the Presence of Phosphorus Trichloride" Chemical Abstracts, vol. 77, No. 7, (Aug. 14, 1972), 48580f.
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