Preparation of O,O-dialkyl phthalimido-phosphonothioate

Details Preparation of O,O-dialkyl phthalimido-phosphonothioate Preparation of O,O-dialkyl phthalimido-phosphonothioate

1978-11-02

1980-05-27

Daus, Donald G.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07D20948

Patent

active

042049962

ABSTRACT:
The present invention is directed to an improved method for preparing O,O-dialkyl phthalimidophosphonothioate (hereinafter alternatively referred to as "phosphonothioate"), corresponding to the formula ##STR1## wherein each R is independently an alkyl group having from 1 to 4 carbon atoms, comprising reacting O,O-dialkyl phosphoramidothioate with phthalic anhydride in the presence of a tertiary amine catalyst.

REFERENCES:
patent: 3336419 (1967-08-01), Tolkmith
patent: 3399213 (1968-08-01), Osborne
patent: 3450713 (1969-06-01), Tolkmith et al.
patent: 3803038 (1974-04-01), Olszewski
patent: 3803167 (1974-04-01), Senkbeil
patent: 3853909 (1974-12-01), Senkbeil

Affiliated with

Also associated with

Rating

Preparation of O,O-dialkyl phthalimido-phosphonothioate does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Preparation of O,O-dialkyl phthalimido-phosphonothioate, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Preparation of O,O-dialkyl phthalimido-phosphonothioate will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1119164