The invention provides a composition comprising (S) 2-amino-1-(4-chloro-phenyl)-1-[4-(
1
H-pyrazol-4-yl)-phenyl]-ethanol, wherein the composition is either substantially free of (R) 2-amino-1-(4-chloro-phenyl)-1-[4-(
1
H-pyrazol-4-yl)-phenyl]-ethanol or the composition contains a mixture of the (S) and (R) enantiomers in which the (S) enantiomer predominates. Also provided are processes for the preparation of the (S) 2-amino-1-(4-chloro-phenyl)-1-[4-(
1
H-pyrazol-4-yl)-phenyl]-ethanok novel process intermediates and methods for making the novel process intermediates.
本发明提供了一种组合物,包含(S) 2-
氨基-1-(4-
氯苯基)-1-[4-(1H-
吡唑-4-基)-苯基]-
乙醇,其中该组合物要么基本不含(R) 2-
氨基-1-(4-
氯苯基)-1-[4-(1H-
吡唑-4-基)-苯基]-
乙醇,要么该组合物含有(S) 和(R) 对映体的混合物,其中(S) 对映体占优势。本发明还提供了制备(S) 2-
氨基-1-(4-
氯苯基)-1-[4-(1H-
吡唑-4-基)-苯基]-
乙醇的方法,以及新的过程中间体的制备方法和制备新的过程中间体的方法。