| abstract |
abstract “process for the preparation of sodium bispyribac and intermediates thereof” the present description refers to a process for the preparation of sodium bispyribac by condensation of 2,6 - dihydroxy benzoic acid with 2 - (alkyl sulfonyl)-4,6-dialkoxy in the presence of at least one base and at least one solvent. the present description also relates to processes for the preparation of 2,6-dihydroxy benzoic acid and 2-(alkyl sulfonyl)-4,6-pyrimidine dialkoxy. |