tert-butyl 4-(5-chloro-1H-indol-3-yl)piperidine-1-carboxylate → 4-(5-chloro-[1H]-indol-3-yl)-piperidine

Participants

Reaction Steps

4-(5-Chloro-1H-indol-3-yl)-piperidine-1-carboxylic acid tert-butyl ester (3.4 g, 10.2 mmol) was set stirring in 1:1 TFA/CH2Cl2. After 45 min the mixture was evaporated and the golden oil brought up in Et2O. A solid formed and was filtered, washed with Et2O and air dried to give 3.5 g (97%) of a white solid as a TFA salt. MS (electrospray): exact mass calculated for C12H15ClN2, 234.09; m/z found, 235.1 [M++H].

Provenance & Evidence