Piperidine → HCID 67303780, compound

Participants

Reaction Steps

According to the procedure described in the synthesis method of Compound IV-1, (S)-(9H-fluoren-9-yl)methyl 3-(4-tert-butoxyphenyl)-1-((2,2-diethoxyethyl)(2,4-difluorobenzyl)amino)-1-oxopropan-2-ylcarbamate (Compound III-17) (3.08 g, 4.4 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 (2.33 g, 158%).

Provenance & Evidence