2-Methoxy-1-naphthoic acid → 5-(3,4-Dimethoxyphenyl)-2-{1-[(2-methoxynaphthalen-1-yl)carbonyl]piperidin-4-yl}-4,4-dimethyl-2,4-dihydro-3H-pyrazol-3-one

Beteiligte Stoffe

Reaktionsschritte

The title compound is prepared analogously as described for GP2-WU2 using 5-(3,4-dimethoxyphenyl)-4,4-dimethyl-2-(piperidin-4-yl)-2,4-dihydro-3H-pyrazol-3-one (compound B1) and 2-methoxynaphthalene-1-carboxylic acid as starting compounds. The crude product is purified by chromatography (amino phase silica gel and DCM) and by crystallization from diethyl ether to yield the title compound.

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