compound, pharmaceutical composition, and methods for treating a mammal, and for inhibiting cell chemotaxis

摘要

A process for preparing a compound of formula (ii), comprising (a) treating a compound of formula (i) with H 2 and a platinum oxide catalyst under reducing conditions; and (b) subjecting the product of step (a) to resolution with di-toluoyl-L-tartaric acid to provide compound (ii) in about 97% enantiomeric excess.