A new method for the regioselective synthesis of β-enamino acid derivatives
S Fustero, MD Díaz, RP Carlón
Index: Fustero, Santos; Diaz, Ma. Dolores; Carlon, Raquel Perez Tetrahedron Letters, 1992 , vol. 34, # 4 p. 725 - 728
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Citation Number: 10
Abstract
All new compound exhibited 1 H, 13 C NMR and mass spectra consistent with the assigned structure. For example: 3a, C 18 H 15 N 3 O: 1 HNMR (CDCl 3 , TMS, 300 MHz) δ 5.5 (s, 1H), 6.8–7.4 (m, 11H), 7.5 (br s, 1H), 8.3 (br s, 1H), 11.5 (br s, 1H NH); 13 CNMR (CDCl 3 , TMS, 75 MHz) δ 164.3 (C), 163.8 (C), 138.5 (C), 134.8 (C), 130.1 (CH), 128.7 (CH), 128.6 (CH), 128.1 (CH), 124.8 (CH), 123.4 (CH), 115.8 (CH), 87.8 (CH); MS m/e, 289 (M + ), 222 ...
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