Preparation of aqueous solutions or fine aqueous dispersions...

C - Chemistry – Metallurgy – 07 – F

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260/395, 260/613

C07F 9/54 (2006.01)

Patent

CA 1101431

ABSTRACT OF THE DISCLOSURE: Aqueous solutions of polyenyltri- arylphosphonium salts are prepared from solutions of the correspond- ing polyenyltriarylphosphonium salts in organic solvents by driving off the solvent with stem, part of the steam being allowed to con- dense. Some of the said triarylphosphonium salts may be used di- rectly as pesticides whilst others are used as intermediates for organic syntheses, especially in the cartinoid field.

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