现代农药
現代農藥
현대농약
MODERN AGROCHEMICALS
2014年
3期
30-32
,共3页
王晋阳%王波%卞晨阳%单永祥
王晉暘%王波%卞晨暘%單永祥
왕진양%왕파%변신양%단영상
喹禾糠酯%手性除草剂%合成
喹禾糠酯%手性除草劑%閤成
규화강지%수성제초제%합성
quizalofop-P-tefuryl%chiral herbicide%synthesis
以6-氯-2-(4-羟基苯氧基)喹喔啉与(S)-2-对甲苯磺酰基丙酸乙酯为主原料，经酯交换、取代反应合成喹禾糠酯，总收率91.2%，总酯含量95%，光学纯度95%。方法操作简单、收率高，适合于工业化生产。
以6-氯-2-(4-羥基苯氧基)喹喔啉與(S)-2-對甲苯磺酰基丙痠乙酯為主原料，經酯交換、取代反應閤成喹禾糠酯，總收率91.2%，總酯含量95%，光學純度95%。方法操作簡單、收率高，適閤于工業化生產。
이6-록-2-(4-간기분양기)규악람여(S)-2-대갑분광선기병산을지위주원료，경지교환、취대반응합성규화강지，총수솔91.2%，총지함량95%，광학순도95%。방법조작간단、수솔고，괄합우공업화생산。
Using 4-[(6-chloro-2-quinoxalinyl)oxy]phenol and ethyl (S)-2-[[(4-methylphenyl)sulfonyl]oxy]propanoate as starting materials, quizalofop-P-tefuryl was prepared through transesterification and substitution reaction. The total yield was 91.2%, the purity was 95%, and the optical purity was 95%. The improved method had such advantages as simple operations, high yield. It was suitable for industrial production.
