Synthesis of substituted indolizino[8,7-b]indoles from harmine and their biological activity
作者:Zh. S. Nurmaganbetov、E. E. Shultz、S. V. Chernov、A. Zh. Turmukhambetov、R. B. Seydakhmetova、M. M. Shakirov、G. A. Tolstikov、S. M. Adekenov
DOI:10.1007/s10593-011-0698-z
日期:2011.3
The reaction of harmine with phenacyl bromides or ethyl bromoacetate gives quaternized harmine derivatives. The cyclization of the phenacylharminium salts yields the corresponding 2-aryl-11H-indolizino[8,7-b]indoles. Vilsmaier-Haack formylation of 11H-indolizino[8,7-b]indoles leads to the corresponding 3,10-bisformyl derivatives. The acylation proceeds selectively at C(3) to give 3-acetyl-2-aryl-11H-indolizino[8
甘氨酸与苯甲酰溴或溴乙酸乙酯的反应得到季铵化的甘氨酸衍生物。苯甲酰基铵盐的环化产生相应的2-芳基-11H-吲哚并[8,7- b ]吲哚。11 H-吲哚并[8,7- b ]吲哚的Vilsmaier-Haack甲酰化反应生成相应的3,10-双甲酰基衍生物。酰化作用选择性地在C(3)进行,得到3-乙酰基-2-芳基-11H-吲哚并[8,7- b ]吲哚。