2-Hydroxy-N,N-dimethylacetamide → (R)-2-(1'-dimethylcarbamoylmethoxycarbonylmethyl-4,4'-bipiperidinyl-1-yl)-1-(4-hydroxy-3,5-dimethyl-benzyl)-2-oxo-ethyl 4-(2-oxo-1,2,4,5-tetrahydro-1,3-benzodiazepin-3-yl)-piperidine-1-carboxylate

Participants

Reaction Steps

Prepared analogously to Example 3c from 100 mg (0.15 mmol) (R)-2-(1′-carboxymethyl-4,4′-bipiperidinyl-1-yl)-1-(4-hydroxy-3,5-dimethyl-benzyl)-2-oxo-ethyl 4-(2-oxo-1,2,4,5-tetrahydro-1,3-benzodiazepin-3-yl)-piperidine-1-carboxylate and 16 mg (0.16 mmol) 2-hydroxy-N,N-dimethyl-acetamide. After purification by HPLC the fractions containing the product were combined and lyophilised.

Provenance & Evidence