反応 #2161260

ord-7b820546f2d545e2821f6791b2f5d07c

反応方程式

CCOC(=O)c1nc([N+](=O)[O-])cn1CC
ethyl 1-ethyl-4-nitro-1H-imidazole-2-carboxylate
c1ccc(N2CCNCC2)nc1
N-(pyridin-2-yl)piperazine
CCn1cc([N+](=O)[O-])nc1C(=O)N1CCN(c2ccccn2)CC1
crude mixture
CCn1cc([N+](=O)[O-])nc1C(=O)N1CCN(c2ccccn2)CC1
1-[(1-Ethyl-4-nitro-1H-imidazol-2-yl)carbonyl]-4-(pyridin-2-yl)piperazine

反応条件

温度
100°CELSIUS
詳細条件
See reaction.notes.procedure_details.

実験手順

A mixture of 1.23 g (5.06 mmol) of ethyl 1-ethyl-4-nitro-1H-imidazole-2-carboxylate (prepared in analogy to Example 10A) and 2.48 g (15.2 mmol) of N-(pyridin-2-yl)piperazine is stirred at 100° C. overnight. For the work-up, the crude mixture obtained is purified by preparative HPLC. 0.724 g (43% of theory) of product are obtained.

出典

DOI: 10.6084/m9.figshare.5104873.v1特許: US07919489B2uspto-grants-2011_04