Process for the preparation of benzgalantamine or a pharmaceutically acceptable salt thereof

A compound selected from a compound of Formula A, or a compound of Formula C,

A composition comprising benzgalantamine of Formula I,

• or a pharmaceutically acceptable salt, or a hydrate thereof, having a purity of about 99% or more, as measured by area percentage of high performance liquid chromatography (HPLC), and one or more impurities of compounds of Formulae A, B, C, and D, wherein each of the compounds of Formulae A, B, C, or D is present in an amount of about 0.15% or less, by weight, relative to benzgalantamine of Formula I or a pharmaceutically acceptable salt, or a hydrate thereof, when measured by HPLC,

A crystalline Form of benzgalantamine of Formula I,

• characterized by X-ray powder diffraction pattern having peaks expressed in 20 at 8.1°, 16.3°, 17.7°, 19.9°, and 20.8°±0.2°, when measured using CuKα source.