SUDHEER KALLEPALLY

Preparation of 3-[2-[4-((6-fluoro-1, 2-benzisoxazol-3-yl)-l-piperidinyl)-6, 7, 8, 9-tetrahydor-9-hydroxy-2-methyl-4H-pyrido[ 1, 2-A]-pyrimidin-4-one(paliperidone) and paliperidone palmitate