A hydroxy-1-alkyne is reacted with a tin hydride compound, and the obtained (E,Z)-hydroxyvinylstannanes are separated to give the (E)-substance which is further converted to a vinylcopper complex shown by
followed by the conjugate addition reaction with an α, β-unsaturated cyclopentenone, and the deprotecting reaction is subsequently carried out to prepare a prostaglandin or an intermediate of prostaglandins easily, efficiently and industrially favorably.
羟基-1-
炔烃与氢化
锡化合物反应,分离得到(E,Z)-羟基
乙烯基锡,得到(E)-物质。
然后与 α、β-不饱和
环戊烯酮发生共轭加成反应,再进行脱保护反应,从而简便、高效地制备出
前列腺素或
前列腺素的中间体。