Piperazine → HCID 68443145, compound

Participants

Reaction Steps

Similar to example 102, piperazine is reacted with 3-[(2S,4R,5R)-4-(4-ethoxy-phenyl)-5-[4-(3-methoxy-propyl)-3,4-dihydro-2H-benzo[1,4]oxazin-6-ylmethoxy]-1-(toluene-4-sulfonyl)-piperidin-2-yl]-2,2-dimethyl-propionic acid (from example 65b) to afford 3-[(2S,4R,5R)-4-(4-methoxy-phenyl)-5-[4-(3-methoxy-propyl)-3,4-dihydro-2H-benzo[1,4]oxazin-6-ylmethoxy]-1-(toluene-4-sulfonyl)-piperidin-2-yl]-2,2-dimethyl-1-piperazin-1-yl-propan-1-one which is subsequently deprotected according to general procedure A to afford the title compound.

Provenance & Evidence