Piperidine → (S)-2-amino-N-((S)-1,1-diethoxypropan-2-yl)-3-(4-hydroxy-2,6-dimethylphenyl)-N-(quinolin-8-ylmethyl)propanamide

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Reaction Steps

According to the procedure described in the synthesis method of Compound IV-1, (9H-fluoren-9-yl)methyl(S)-1-(((S)-1,1-diethoxypropan-2-yl)(quinolin-8-ylmethyl)amino)-3-(4-hydroxy-2,6-dimethylphenyl)-1-oxopropan-2-ylcarbamate (Compound III-18) (512 mg, 0.73 mmol) was treated with piperidine and the obtained residue was purified by silica gel column chromatography (eluent: n-hexane:ethyl acetate=9:1, chloroform:methanol=100:0 and 8:2) to obtain the title compound (404 mg, 115%).

Provenance & Evidence