Phosphonic acids having labile functional groups have been prepared quantitatively by the hydrolysis of bis(trimethylsilyl) phosphonates, were prepared by the reaction under mild conditions of the corresponding dialkyl phosphonates with bromotrimethylsilane.
Alkoxycarbonylphosphonic acid derivative brush control agents
申请人:E. I, Du Pont de Nemours and Company
公开号:US04033749A1
公开(公告)日:1977-07-05
Alkoxycarbonylphosphonic acids and alkylthiocarbonylphosphonic acids and esters and salts of these acids such as diammonium methoxycarbonylphosphonate are useful for regulation of the growth rate of plants.