A cyclovitamin D derivative produced from 25-hydroxyvitamin D is reacted with osmium tetraoxide or a permanganic acid salt to produce a 10,19-diolcyclovitamin D derivative. The 10,19-diolcyclovitamin D derivative is reacted with a perhalogenic acid salt or lead tetraacetate to produce a 10-oxocyclovitamin D derivative. A 1-hydroxycyclovitamin D derivative is produced from the 10-oxocyclovitamin D derivative via a cyclovitamin D derivative and a 1,10-olefincyclovitamin D derivative. The 1-hydrocyclovitamin D derivative is subjected to solvolysis, thereby producing a 1-hydroxy-19-norviatmin D derivative. Thus provided are a novel process for production of 1-hydroxy-19-norcyclovitamin D derivative that is utilizable as an intermediate in the synthesis of 1-hydroxy-19-norvitamin D derivative which is useful as a pharmaceutical agent; and an intermediate for the production.
从25-羟基
维生素D产生的一种环
维生素D衍
生物与
四氧化锇或
高锰酸盐反应,生成一个10,19
-二醇环
维生素D衍
生物。这个10,19
-二醇环
维生素D衍
生物与一种全卤酸盐或
醋酸四
酯铅反应,产生一个10-
氧代环
维生素D衍
生物。通过一个环
维生素D衍
生物和一个1,10-
烯基环
维生素D衍
生物,从10-
氧代环
维生素D衍
生物产生一个1-羟基环
维生素D衍
生物。将1-羟基环
维生素D衍
生物进行溶剂解离,从而产生一个1-羟基-19-去
维生素D衍
生物。因此,提供了一种用于生产可用作1-羟基-19-去环
维生素D衍
生物合成
中间体的新工艺,该
中间体可用作一种制药剂;以及用于生产的
中间体。