| 摘要 |
PROBLEM TO BE SOLVED: To provide a maxacalcitol intermediate and a process for producing the same. SOLUTION: There are provided a chiral compound of formula (I) and a chiral compound of formula (II) in which the C-20 position is an R-form or S-form, and a process for producing the chiral compounds. COPYRIGHT: (C)2011,JPO&INPIT |
