tert-butyl (S)-2-amino-3-cyclohexylpropylcarbamate → tert-butyl (2S)-3-cyclohexyl-2-(2-(3-((2-fluorophenyl)(3-methoxypropoxy)methyl)piperidin-1-yl)-3,4-dioxocyclobut-1-enylamino)propylcarbamate

Participants

Reaction Steps

To the crude 3-(3-((2-fluorophenyl)(3-methoxypropoxy)methyl)piperidin-1-yl)-4-methoxycyclobut-3-ene-1,2-dione in MeCN there was added tert-butyl (S)-2-amino-3-cyclohexylpropylcarbamate (27.0 mg, 0.11 mmol), the resulting solution was stirred at rt for 10 min, filtered through HPLC filter, purified by HPLC to give tert-butyl (2S)-3-cyclohexyl-2-(2-(3-((2-fluorophenyl)(3-methoxypropoxy)methyl)piperidin-1-yl)-3,4-dioxocyclobut-1-enylamino)propylcarbamate (17.4 mg, 40%) as on oil. MS ESI+ve m/z 616 (M+1).

Provenance & Evidence