Preparation of aqueous solutions or fine aqueous dispersions of

Details Preparation of aqueous solutions or fine aqueous dispersions of Preparation of aqueous solutions or fine aqueous dispersions of

1978-06-05

1980-01-08

Sneed, Helen M. S.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

252182, C07F 954

Patent

active

041827317

ABSTRACT:
Aqueous solutions of polyenyltriarylphosphonium salts are prepared from solutions of the corresponding polyenyltriarylphosphonium salts in organic solvents by driving off the solvent with steam, part of the steam being allowed to condense. Some of the said triarylphosphonium salts may be used directly as pesticides while others are used as intermediates for organic syntheses, especially in the carotinoid field.

REFERENCES:
patent: 2905717 (1959-09-01), Sarnecki et al.
patent: 2945069 (1960-07-01), Stern
patent: 2950321 (1960-08-01), Sarnecki et al.
patent: 3294844 (1966-12-01), Sarnecki et al.
patent: 3347932 (1967-10-01), Chechak
patent: 3373207 (1968-03-01), Nuerrenbach et al.
patent: 3408414 (1968-10-01), Surmatis

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