abstract |
The present invention relates to 2-((3R, 5R, 6S) -5- (3-chlorophenyl) -6- (4-chlorophenyl) -1-((S) -1- (isopropylsulfonyl) -3-methylbutane-2. A method for producing -yl) -3-methyl-2-oxopiperidin-3-yl) acetic acid and intermediates, and a method for producing intermediates are provided. Also provided are crystalline forms of the compounds and intermediates. |