4,6-Dichloropyrimidine → (S)-6-chloro-N-(1-phenylethyl)pyrimidin-4-amine

Participants

Reaction Steps

A solution of 4,6-dichloropyrimidine (14.9 g, 100 mmole) and (1S)-1-phenylethylamine (13.3 g, 110 mmole) in CH3CN (100 mL) was refluxed for 4 hours. The reaction was partitioned between Et2O (500 mL) and H2O (250 mL). The organic layer was dried over sodium sulfate, filtered and concentrated under reduced pressure. The residue was purified by flash chromatography on silica gel 60 with Hexane/EtOAc 3:1. Pure fractions were combined, concentrated under reduced pressure, and dried under high vacuum to afford the titled compound (18.6 g, 80%) as a yellow oil. 1H NMR (CDCl3): δ 1.57 (d, J=7.0 Hz, 3H), 4.6 (b s,1H), 5.6 (b s,1H), 6.19 (s,1H), 7.34 (m, 5H), 8.30 (s,1H); LC/MS (MH+) 233.62.

Provenance & Evidence