反应详情

Following the procedure of Example 1 and employing 326 mg. (1.5 mmoles) of 2-methyl-5-ethyl-6-oxo-2,3,6,7-tetrahydrofuro[2,3-f]indole and 0.24 ml. (2.1 mmoles) of 4-fluorophenylisocyanate, 240 mg. (45% yield), m.p. 196°-197° C. of the desired product was obtained.