abstract |
Methods for producing a compound of formula (k1) or (k2) by reducing a dihydronapthalene amide compound of formula (i); with hydrogen gas in the presence of a ruthenium catalyst of formula (j1) or (j2); Ru(Z)2(L) = (j1), Ru(E)(E')(L)(D) = (j2); wherein m, n, Ar, Y, R1 E, E', D, Z and L are as defined herein. |