... Department of Chemistry, Princeton University, Princeton, New Jersey 08544 ... The organic extracts were dried and concentrated to give crystalline alcohol 5b (1.18 g, 5.70 mmol, 90%): mp 78-79 "C (recrystallized from ether-hexane); 'H NMR (CDCl,) d 1.96 (t, 1 H, J = 6 Hz, OH ...