Hydrochloric Acid → HCID 57591100, compound

Participants

Reaction Steps

The title compound was prepared from 2-chloro-9-methoxy-6,7-dihydro-pyrimido[6,1-a]isoquinolin-4-one (4) and N-Boc-ethylenediamine as in Example 1 d, followed by treatment with HCl. 1H-NMR as mixture of two isomers (400 MHz, d6-DMSO) δ 9.25-8.40 (1H), 8.32 and 7.70 (d, 1H), 8.12 and 8.02 (br, 3H), 7.07-7.00 (m, 2H), 6.80 and 6.33 (s, 1H), 4.04 and 3.98 (t, 2H), 3.88 and 3.85 (s, 3H), 3.80 and 3.61 (q, 2H) and 3.08-2.94 (4H); MS (ESI) (M+H)+ 287. The spectrum acquired at 333K showed single isomers.

Provenance & Evidence