Convenient synthesis of alkyl (Z)- and (E)-2,3-bis(trimethylstannyl)alk-2-enoates and N,N-dimethyl (E)-2,3-bis(trimethylstannyl)alk-2-enamides
作者:Edward Piers、Renato T. Skerlj
DOI:10.1039/c39860000626
日期:——
Palladium(0)-catalysed addition of (Me3Sn)2 to the α,β-acetylenic esters (1a–n) and amides (4a–d) provides the (Z)-2,3-bis(trimethylstannyl)alk-2-enoates (2a–n) and the (E)-2,3-bis(trimethylstannyl)alk-2-enamides (6a–d), respectively; thermolysis of (2a–h) transforms these substances into the corresponding (E)-isomers (3a–h).
钯(0)催化将(Me 3 Sn)2加到α,β-炔属酸酯(1a - n)和酰胺(4a - d)中,得到(Z)-2,3-双(三甲基锡烷基)烷基2-烯酸酯(2a – n)和(E)-2,3-双(三甲基锡烷基)烷-2-烯酰胺(6a – d);(2a - h)的热分解将这些物质转化为相应的(E)异构体(3a - h)。