Methanol → HCID 69471455, compound

Participants

Reaction Steps

To a solution of 13a prepared in general method Q (5 g, 13.26 mmol) in methanol (500 mL) was added a few drops of conc. sulfuric acid. The reaction mixture was refluxed overnight. The solvent was evaporated and the residue was purified by chromatography to give 4-iodopipecolinic acid methyl ester 14a as a yellow solid (3.0 g, 86%): 1H NMR (300 MHz, CDCl3) δ 8.49 (d, J=1.5, 1), 8.37 (d, J=5.4, 1), 7.85 (dd, J=1.6, 5.2, 1), 4.00 (s, 3); MS (ESPOS): 264.3 [M+H]+.

Provenance & Evidence