5,6-Dihydro-6-oxopyrido(2,3-e)pyrrolo (1,2-a) pyrazine and 5,6-dihydro-6-oxopyrazino(2,3-e)pyrrolo(1,2-a)pyrazine.
作者:JEAN-CHARLES LANCELOT、DANIEL LADUREE、MAX ROBBA
DOI:10.1248/cpb.33.3122
日期:——
The synthesis of 5, 6-dihydro 6-oxo pyrido [2, 3-e] pyrrolo [1, 2-a] pyrazine, and 5, 6-dihydro 6-oxo pyrazino [2, 3-e] pyrrolo [1, 2-a] pyrazine is described. The starting materials, 3-amino pyridine and 3-amino pyrazine are converted into pyrrolyl derivatives using 2, 5-dimethoxytetrahydrofuran in glacial acetic acid. Subsequent cyclizations of these latter afforded the title compounds. Proton nuclear magnetic resonance spectra are studied.
描述了 5, 6-二氢 6-氧代吡啶并 [2, 3-e] 吡咯并 [1, 2-a] 吡嗪和 5, 6-二氢 6-氧代吡嗪并 [2, 3-e] 吡咯并 [1, 2-a] 吡嗪的合成。使用冰醋酸中的 2,5-二甲氧基四氢呋喃将起始原料 3-氨基吡啶和 3-氨基吡嗪转化为吡咯烷衍生物。随后对这些衍生物进行环化,得到了标题化合物。对质子核磁共振光谱进行了研究。