Pyrophosphonates and method of making same

Details Pyrophosphonates and method of making same Pyrophosphonates and method of making same

1980-02-15

1981-03-03

Sutto, Anton H.

Chemistry of carbon compounds

Dipeptides, e.g., aspartame, anserine, carnosine, etc.

260988, C07F 921

Patent

active

042540739

ABSTRACT:
A process for producing a novel intramolecular pyrophosphonate for example, dimethyl-p-menthane-2,7-diylpyrophosphonate by heating a diphosphonate for example, tetramethyl-p-menthane-2,7-diyldiphosphonate to a temperature between about 200.degree. C. and 300.degree. C. for a period from about 0.5 to about 10 hours, e.g., 6 hours.

REFERENCES:
patent: 4183879 (1980-01-01), Battiste

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