Synthesis and antibacterial activity of dihydro-1,2-oxazine and 2-pyrazoline oxazolidinones: novel analogs of linezolid
作者:Stan D’Andrea、Zhizhen Barbara Zheng、Kenneth DenBleyker、Joan C. Fung-Tomc、Hyekyung Yang、Junius Clark、Dennis Taylor、Joanne Bronson
DOI:10.1016/j.bmcl.2005.03.099
日期:2005.6
The synthesis and antibacterial activity of oxazolidinones containing dihydro-1,2-oxazine and 2-pyrazoline ring systems are described. Linezolid analogs utilizing dihydro-1,2-oxazines as morpholine mimics were prepared utilizing a nitrosoamine/diene 4+2 cycloaddition strategy. Pyrazolidine, hexahydro-pyridazine, and 2-pyrazoline analogs more closely related to eperezolid were also prepared. The most
描述了含有二氢1,2-恶嗪和2-吡唑啉环系统的恶唑烷酮的合成和抗菌活性。利用亚硝基胺/二烯4 + 2环加成策略制备了以二氢-1,2-恶嗪为吗啉模拟物的利奈唑胺类似物。还制备了与eperezolid密切相关的吡唑烷,六氢哒嗪和2-吡唑啉类似物。这些新的恶唑烷酮中最活跃的是二氢-1,2-恶嗪6和2-吡唑啉20,它们对革兰氏阳性细菌的效价与利奈唑胺相似。