Formamide catalysts for reacting phosphorus halides with thiols

Chemistry of carbon compounds – Dipeptides – e.g. – aspartame – anserine – carnosine – etc.

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260972, 260973, C07F 916, C07F 9165, C07F 940, C07F 946

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active

042370752

ABSTRACT:
Formamides are catalysts for the reaction between phosphorus halides and alkanethiols, phenols, or thiophenols. As is described in U.S. Pat. No. 2,955,803, the phosphite and thiophosphite esters produced in the reaction are plant defoliants.

REFERENCES:
patent: 3607991 (1971-09-01), Peterson et al.
patent: 3689602 (1972-09-01), Ismail
patent: 3803272 (1974-04-01), Pivainer et al.

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