试验结果表明,高温条件下,咪唑啉发生开环反应,生成了酰胺类物质。
This article reviews the ring opening reaction of five membered nitrogen containing heterocyclic compounds.综述了近年来各种五元氮杂环的开环反应及其在有机合成中的应用。
Polylactic acid (PLA) is a linear aliphatic polyester produced by poly-condensation of naturally produced lactic acid or by the catalytic ring opening of the lactide group.聚乳酸(PLA)是一种线性脂肪族聚酯的聚乳酸中自然产生的或由丙交酯开环缩合催化剂组产生。