Iodine → HCID 15744528, compound

Participants

Reaction Steps

The stilbene mixture containing 30c and 31c (1010 mg, 3.36 mmol) in cyclohexane (500 mL) containing iodine (53 mg) and acetophenone (1.71 mmol, 0.5 eq) was irradiated as in the above synthesis of 32a and 32c to give 32d (760 mg, 76%): mp 80°-82° C.; IR (KBr) 846 (2H adjacent), 790 cm-1 (3H adjacent); 1H NMR (CDCl3, 200 Mhz) δ9.12 (d, 1H, J=10 Hz), 8.20 (d, 1H, J=10 Hz), 7.57 (m, 2H), 7.10 (s, 1H), 6.99 (d, 1H, J=8 Hz), 4.03 (s, 6H), 4.02 (s, 3H), 4.00 (s, 3H); EIMS m/e 298 (M+, 100), 283 (40). Anal. (C18H18O4) C, H.

Provenance & Evidence