The present invention relates to a process for making a compound of formula (I) as described herein Formula (I) comprising reducing a compound of formula (II) as described herein with hydrogen in the presence of a palladium catalyst and a solvent wherein the solvent is a polar, aprotic solvent or a C3-C10 alcohol Formula (II). The present invention further relates to a hydrochloride salt and a monohydrochloride salt of the compound of formula (I) as described herein and to a process for making the same Formula (I)..
本发明涉及一种制备公式(I)化合物的方法,如此处所述。公式(I)包括在
钯催化剂和溶剂的存在下,用氢还原如此处所述的公式(II)化合物。其中,溶剂是极性、无质子溶剂或C3-
C10醇。本发明进一步涉及公式(I)化合物的盐酸盐和单盐酸盐的制备方法,如此处所述,以及制备这些化合物的方法。公式(II)如下: