HCID 68315188, compound → HCID 68314885, compound

Participants

Reaction Steps

The title compound was prepared from 9b by the general procedure described for compound 11a. Yellowish oil (69%). 1H NMR (300 MHz, CDCl3) δ ppm 6.45 (s, 2H), 6.28 (d, J=3.42 Hz, 1H), 3.72 (s, 6H), 3.45 (s, 3H), 2.43 (m, 2H), 1.80-2.03 (m, 1H), 1.53-1.58 (m, 2H), 1.26 (s, 6H), 1.13-1.22 (m, 7H), 1.11 (s, 3H), 0.98-1.08 (m, 3H), 0.97 (s, 3H), 0.84 (t, J=6.79 Hz, 3H). Exact mass calculated for C28H42O4 m/e 442.31. found 442.91. Anal. calcd. for C28H42O4: C, 75.98; H, 9.56. Found: C, 75.58; H, 9.70.

Provenance & Evidence