Tetrahedron letters

A free radical route to the benzazepines and dibenzazepines

ZB Zheng, P Dowd

Index: Zheng, Zhizhen Barbara; Dowd, Paul Tetrahedron Letters, 1993 , vol. 34, # 48 p. 7709 - 7712

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Citation Number: 14

Abstract

Compound 3: 1 H-NMR-CDCl 3 (ppm): 7.70 (d, 1H), 7.25 (t, 1H), 6.85 (t, 1H), 6.70 (d, 1H), 4.65 (s, 1H), 4.2 (q, 2H), 3.85 (m, 1H), 3.25 (m, 3H), 2.95 (m, 1H), 1.25 (t, 3H). 13 C-NMR-CDCl 3 (ppm): 200.2, 193.0, 153.3, 132.8, 129.6, 124.9, 119.1, 117.6, 61.3, 50.1, 47.8, 43.0, 14.2. IR (KBr,cm −1 ): 3352.7 (vs, NH), 1728.4 (vs, CO), 1645.5 (vs, CO). MS (m/e): 233 (M + , 50), 188 (20), 160 (30), 133 (100), 105 (40). mp 64–65.0 °C.