Cyclopentylmethyl 4-methylbenzene-1-sulfonate → 8-(Cyclopentylmethoxy)-4-(3,5-dichloropyridin-4-ylamino)-7-methoxy-2H-chromen-2-one

Participants

Reaction Steps

The title compound was prepared from cyclopentylmethyl 4-methylbenzenesulfonate and 4-(3,5-dichloropyridin-4-ylamino)-8-hydroxy-7-methoxy-2H-chromen-2-one (Example 29) following the procedure outlined in Example 25. 1H NMR (400 MHz, DMSO-d6): δ 9.51 (s, 1H), 8.81 (s, 2H), 7.93 (d, 1H), 7.20 (d, 1H), 4.64 (s, 1H), 3.91 (s, 3H), 3.84 (d, 2H), 2.28 (m, 1H), 1.80-1.35 (m, 8H); MS (ESI): 434.9.

Provenance & Evidence