的氢化硅烷化聚合d - ( - ) - p -hydroxyphenylglycine衍生二乙炔单体1个p和1米与dihydrosilanes的Si1和Si2的进行了使用RHI(PPH 3)3作为催化剂,得到光学活性的新颖的多(silylenevinylenephenyleneethynylene)类[(E)-poly(1 p - Si1),(E)-poly(1 p - Si2),(E)-poly(1 m - Si1),(E)-poly(1 m - Si2)和(Z)-poly(1 p - Si1)]的数均分子量为2800至17,000,产率为41-92%。获得具有(E)-和(Z)-烯烃部分的聚合物,其中(E)-/(Z)-比率取决于反应条件。(E)-poly(1 p - Si1)的紫外可见吸收边缘位于比(Z)-poly(1 p - Si1)更长的波长处,表明(E)-亚乙烯基键比(Z)-对应物
的氢化硅烷化聚合d - ( - ) - p -hydroxyphenylglycine衍生二乙炔单体1个p和1米与dihydrosilanes的Si1和Si2的进行了使用RHI(PPH 3)3作为催化剂,得到光学活性的新颖的多(silylenevinylenephenyleneethynylene)类[(E)-poly(1 p - Si1),(E)-poly(1 p - Si2),(E)-poly(1 m - Si1),(E)-poly(1 m - Si2)和(Z)-poly(1 p - Si1)]的数均分子量为2800至17,000,产率为41-92%。获得具有(E)-和(Z)-烯烃部分的聚合物,其中(E)-/(Z)-比率取决于反应条件。(E)-poly(1 p - Si1)的紫外可见吸收边缘位于比(Z)-poly(1 p - Si1)更长的波长处,表明(E)-亚乙烯基键比(Z)-对应物
Stille coupling, respectively, to the right-hand segment of complestatin at the last step. These compounds and the synthetic procedure will serve for both the synthesis of the right-hand segment and totalsynthesis of complestatin in the near future. In addition, consideration of the smooth acidic isomerization of complestatin to chloropeptin was carried out by density functional theory (DFT) calculation