VEKEMANS, J.;POLLERS-WIEERS, C.;HOORNAERT, G., J. HETEROCYCL. CHEM., 1983, 20, N 4, 919-923
作者:VEKEMANS, J.、POLLERS-WIEERS, C.、HOORNAERT, G.
DOI:——
日期:——
A new synthesis of substituted 2(1<i>H</i>)-pyrazinones
作者:J. Vekemans、C. Pollers-Wieërs、G. Hoornaert
DOI:10.1002/jhet.5570200414
日期:1983.7
The hydrohalides of 2-sec-aminoalkanenitriles on treatment with oxalyl halides in o-dichlorobenzene at 80-100° give 3, 5-dihalo-2(1H)-pyrazinones, of which the 3-halo substituent is easily replaced by nucleophiles. A reaction mechanism for the pyrazinone synthesis is proposed.