Disclosed herein are methods for synthesizing N-(4-fluorobenzyl)-N-(1-methylpiperidin-4-yl)-N′-(4-(2-methylpropyloxy)-phenylmethyl)carbamide. Also disclosed herein is the hemi-tartrate salt of N-(4-fluorobenzyl)-N-(1-methylpiperidin-4-yl)-N′-(4-(2-methylpropyloxy)-phenylmethyl)carbamide and methods for obtaining the salt. Further disclosed are various crystalline forms of N-(4-fluorobenzyl)-N-(
1
-methylpiperidin-4-yl)-N′-(4-(2-methylpropyloxy)-phenylmethyl)carbamide and its hemi-tartrate salt including various polymorphs and solvates.
本文披露了合成N-(4-
氟苯甲基)-N-(
1-甲基哌啶-4-基)-N'-(4-(2-甲基丙氧基)-苯甲基)-碳酰胺的方法。本文还披露了N-(4-
氟苯甲基)-N-(
1-甲基哌啶-4-基)-N'-(4-(2-甲基丙氧基)-苯甲基)-碳酰胺的半
酒石酸盐以及获得该盐的方法。此外,本文还披露了N-(4-
氟苯甲基)-N-(
1-甲基哌啶-4-基)-N'-(4-(2-甲基丙氧基)-苯甲基)-碳酰胺及其半
酒石酸盐的各种晶体形式,包括各种多晶形态和溶剂化物。