New Synthesis of Dialkyl Trimethylsilyl Phosphitesстатья
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Дата последнего поиска статьи во внешних источниках: 23 января 2026 г.
Аннотация:The coupled reaction of various dialkyl phosphonates with hexamethyldisilazane in the presence ofZnCl2 at 20°C afforded the corresponding dialkyl trimethylsilyl phosphites in high yields (87–92%). The reaction is complete in 0.5 h, and it requires no specially prepared solvent or inert atmosphere. The initial dialkyl phosphonates were synthesized by transesterification of dimethyl phosphonate with alcohols in the presence of 0.5 mol % ZnSO4 at 110–120°C.