Carbamates of diethyl methylphosphonate

Details Carbamates of diethyl methylphosphonate Carbamates of diethyl methylphosphonate

C - Chemistry, Metallurgy

07

F

403/19, 260/291,

C07F 9/40 (2006.01) C07F 9/572 (2006.01) C07F 9/59 (2006.01) C08G 18/38 (2006.01) C08J 9/00 (2006.01)

Patent

CA 1066285

A B S T R A C T Carbamates of diethyl methylphosphonate of the formulao Image wherein R1 and R2, which may be the same or different, are linear or branched alkyl or hydroxyalkyl radicals containing 2 or 3 carbon atoms, or R1 and R2 together with the nitrogen atom to which they are attached form a ring containing 4 or 5 carbon atoms, or R1 is phenyl and R2 is hydrogen, may be prepared by reacting diethyl hydroxymethylphosphonate chloro- formate with an amin?, and find application in flameproofing rigid or flexible polyurethane foams.

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