(Cyclopropylmethyl)triphenylphosphonium bromide → 8-(2-Cyclopropylethyl)benzo[f][1,7]naphthyridin-5-amine

Participants

Reaction Steps

8-(2-Cyclopropylethyl)benzo[f][1,7]naphthyridin-5-amine was prepared from 5-aminobenzo[f][1,7]naphthyridine-8-carbaldehyde (from Example 87) with (cyclopropylmethyl)triphenylphosphonium bromide following the procedures described for Example 91 (wittig reaction) and Example 92 (reduction). 1H NMR (acetone-d6): δ 8.99 (dd, 1H), 8.88 (dd, 1H), 8.35 (d, 1H), 7.83 (dd, 1H), 7.47 (d, 1H), 7.23 (dd, 1H), 6.64 (br s, 2H), 1.60 (q, 2H), 1.34-1.25 (m, 1H), 0.91-0.72 (m, 2H), 0.45-0.41 (m, 2H), 0.11-0.07 (m, 2H). LRMS [M+H]=264.1.

Provenance & Evidence