3,5-Dibromo-2-methoxypyridine → 4-(5-Bromo-2-methoxy-3-pyridyl)-1-(9,10-dihydro-9,10-methanoanthracen-9-ylmethyl)piperidin-4-ol

Participants

Reaction Steps

Using a procedure similar to that described in example 1 except starting with 1-(9,10-dihydro-9,10-methanoanthracen-9-ylmethyl)-4-piperidinone (described in example 5d) and employing 3,5-dibromo-2-methoxypyridine (literature preparation: J. M. Barger, J. K. Dulworth, M. T. Kenny, R. Massao, J. K. Daniel, T. Wilson, R. T. Sargent J. Med. Chem. 1986, 29, 1590), the title compound was formed in 63% yield as an off-white solid, mp 250°-251° C. (dec). free base: 1H NMR (CDCl3, 300 MHz) 8.08 (d, J=2.3 Hz, 1H), 7.61 (d, J=2.3 Hz, 1H), 7.21 (m, 4H), 6.90 (m, 4H), 4.26 (s, 1H), 3.97 (s, 3 H), 3.56 (s, 1H), 3.47 (s, 2H), 2.86 (m, 2H), 2.77 (dt, J=2.6, 11.4 Hz, 2H), 2.60 (d, J=1.4 Hz, 2H), 1.96 (m, 4H) MS (CI, CH4) m/z 491 (M+1,100), 483 (89), 492 (37), 494 (26), 521 (M+29, 13), 473 (28) hydrochloride salt:

Provenance & Evidence