Patent Number: 6,310,225

Title: Processes for the preparation of steroid derivatives, intermediates therefor and processes for the preparation of the intermediates

Abstract: Steroid derivatives useful as intermediates for producing vitamin D derivates as well as processes for producing the steroid derivatives are provided. The steroid derivatives include halide compounds represented by the following formulae: ##STR1## wherein X, R.sup.1 and R.sup.2 are as defined by the specification.

Inventors: Tsuji; Yoshihisa (Kurashiki, JP), Mitani; Toshimichi (Kurashiki, JP)

Assignee: Kuraray Co., Ltd.

International Classification: C07J 9/00 (20060101); C07J 31/00 (20060101); C07J 71/00 (20060101); C07J 005/00 (); C07J 009/00 (); C07J 071/00 ()

Expiration Date: 10/30/2018