Cyclic diphosphonites

Details Cyclic diphosphonites Cyclic diphosphonites

1985-05-21

1987-09-15

Sutto, Anton H.

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

Organic compounds

Phosphorus esters

558 78, C07F 915

Patent

active

046940944

ABSTRACT:
New organic compounds containing a phosphorus heterocycle of the phosphonite type, in which the phosphorus atom is connected on the one hand to an oxygen atom and on the other hand to an oxygen, sulphur or nitrogen atom, characterized by comprising two of such heterocycles, the two phosphorus atoms being connected by a hydrocarbon group. Preparation of these diphosphonites by the action of a tetrahalogeno- or tetraminodiphosphine upon a diol or an alcohol carrying a phenol, thiol, enol, acid or amine function.

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