Chemical and pharmaceutical bulletin

2-Chloro-N, N-dibenzoylaniline: a Selective N-Benzoylating Reagent.

K Kondo, Y Murakami

文献索引：Kondo, Kazuhiro; Murakami, Yasuoki Chemical and Pharmaceutical Bulletin, 1998 , vol. 46, # 8 p. 1217 - 1219

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被引用次数: 16

摘要

August 1998 NHCHZCHZCHZNHCO)= 7.38—7.50 (m, 3H, aromatic H), 778—783 (in, 2H, aromatic H), 8.31 (br s, 1H, NHCO). FAB—MS m/z: 221 (MH*). HRFAB-MS m/z: 221.1647 (Calcd for MH”, C13H21N20: 221.1654). 1-Benzoyl-3-methy1piperazine (19) A pale yellow oil. IR (neat) cm' 1: 3308 (NH), 1623 (C=O). 1H-NMR (DMSO-dfi, 100°C) 5: 0.93 (d, 3H, J:6.2 Hz, CHCH3), 2.09 (brs, 1H, NH), 249—270 (in, 4H, CleH3 and C112), 280—300 (m. 3H, ...