How is Ethyl 2-ethoxy-4-[2-({(1S)-3-methyl-1-[2-(1-piperidinyl)phenyl]butyl}amino)-2-oxoethyl]benzoate (CAS: 147770-06-7) typically synthesized?

Ethyl 2-ethoxy-4-[2-({(1S)-3-methyl-1-[2-(1-piperidinyl)phenyl]butyl}amino)-2-oxoethyl]benzoate can be synthesized through a multi-step process involving aminolysis and esterification reactions. The key steps involve the coupling of a piperidine-substituted aromatic amine with an appropriate carboxylic acid derivative, followed by an esterification step using ethyl bromoacetate. This process typically yields a high purity product with good selectivity and moderate to high yield.