Alkane-bisalkyl-phosphinic anhydrides and process for the...

Details Alkane-bisalkyl-phosphinic anhydrides and process for the... Alkane-bisalkyl-phosphinic anhydrides and process for the...

C - Chemistry, Metallurgy

07

F

260/535.1

C07F 9/30 (2006.01) C07F 9/32 (2006.01) C07F 9/38 (2006.01) C07F 9/6571 (2006.01)

Patent

CA 1135719

H0E 78/F 059 ALKANE-BISALKYL-PHOSPHINIC ANHYDRIDES AND PROCESS FOR THE MANUFACTURE OF ALKANE-PHOSPHONIC ANHYDRIDES AND ALKANE- BISALKYL-PHOSPHINIC ANHYDRIDES Abstract of the disclosure: Alkane-bisalkylphosphinic anhydrides consisting of repeating units of the formula Image and process for the manufacture of alkane-phosphonic anhydrides and alkane-bisalkyl-phosphinic anhydrides consisting of repeating units of the formula Image wherein alkane-phosphonic acids or alkane-bisalkyl-phos- phinic acids of the formula Image are heated to 250 to 450°C under reduced pressure while splitting off water.

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