Process for the preparation of 1-oxophosphol-.DELTA..sup.3 -enes

Details Process for the preparation of 1-oxophosphol-.DELTA..sup.3 -enes Process for the preparation of 1-oxophosphol-.DELTA..sup.3 -enes

1979-06-18

1981-01-27

Sneed, Helen M. S.

Organic compounds -- part of the class 532-570 series

Organic compounds

Phosphorus containing

548217, C07F 953

Patent

active

042474884

ABSTRACT:
1-Oxophosphol-.DELTA..sup.3 -enes are prepared in a one-vessel process by reacting dichlorophosphanes, 2-N-acylaminophenols, organic nitrogen bases which bind hydrogen chloride and dienes in a molar proportion of about 1:1: at least 2:(1-2)in an inert solvent witout isolation of an intermediate stage. The reaction products are used as catalysts in the production of rigid polyurethane foams, as selective metal extraction agents or as growth regulators in plant protection.

REFERENCES:
patent: 2663736 (1953-12-01), McCormack
patent: 2663737 (1953-12-01), McCormack
patent: 2663738 (1953-12-01), McCormack
patent: 2663739 (1953-12-01), McCormack
patent: 3767708 (1973-10-01), Smith et al.
patent: 3931059 (1976-01-01), Spina et al.
patent: 4080385 (1978-03-01), Block

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