HCID 18452815, compound → 3-(5-Methoxy-7-methyl-2,3-dihydro-1H-indol-1-yl)-1-(1-ethylpropyl)-5-methyl-2(1H)-pyrazinone

Participants

Reaction Steps

Example 481 was prepared in a similar fashion as described for Example 413 using XXXIII and 5-methoxy-7-methylindoline hydrochloride as the starting materials. mp 138-140° C.; 1H NMR (300 MHz, CDCl3) δ 6.68 (d, J=2.2 Hz, 1 H), 6.56 (d, J=2.2 Hz, 1 H), 6.44 (s, 1 H), 4.90-4.79 (brs, 1 H), 4.34 (t, J=7.9 Hz, 2 H), 3.78 (s, 3 H), 3.05 (t, J=7.9 Hz, 2 H), 2.11 (s, 3 H), 2.00 (s, 3 H), 1.82-1.71 (m, 2 H), 1.67-1.60 (m, 2 H), 0.87 (t, J=7.4 Hz, 6 H); HRMS (ESI) calcd for C20H28N3O2 (M+H)+: 342.2182; found m/z 342.2196.

Provenance & Evidence