Method for the production of dibenz[c,e] [1,2]-oxaphosphorin...

Details Method for the production of dibenz[c,e] [1,2]-oxaphosphorin... Method for the production of dibenz[c,e] [1,2]-oxaphosphorin...

2011-07-05

2011-07-05

Saeed, Kamal A (Department: 1626)

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

Organic compounds

Phosphorus esters

Reexamination Certificate

active

07973191

ABSTRACT:
The invention relates to general syntheses of (6H)-dibenz[c,e] [1,2]-oxaphosphorins which are substituted with nitrogen compounds on the phosphorus atom and comprising commercially available 6H-dibenz[c,e] [1,2]-oxaphosphorin-6-oxides. These nitrogen-containing (6H)-dibenz[c,e] [1,2]-oxaphosphorins can be used as reactive starting substances for further syntheses or as flameproofing agents or as stabilisers.

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