Process for preparing cyclicdicarboximido-substituted phosphonot

Details Process for preparing cyclicdicarboximido-substituted phosphonot Process for preparing cyclicdicarboximido-substituted phosphonot

1974-10-07

1977-03-29

Gotts, Lewis

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07D20948

Patent

active

040148971

ABSTRACT:
Cyclicdicarboximido-substituted phosphonothioates corresponding to the formula ##EQU1## WHEREIN R represents phthalimido, monomethyl substituted phthalimido, 4-cyclohexene-1,2-dicarboximido or monomethyl substituted 4-cyclohexene-1,2,-dicarboximido are prepared by a method which comprises reacting an appropriate O,O-diloweralkyl phosphorochloridothioate with an appropriate N-alkali metal cyclicdicarboximide reactant in the presence of a catalytic amount of a 1-(loweralkyl)imidazole and an inert tertiary alcohol as a reaction medium.

REFERENCES:
patent: 3336188 (1967-08-01), Tolkmith et al.
patent: 3803167 (1974-04-01), Senkbeil
patent: 3853909 (1974-12-01), Senkbeil

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