详细信息
用鹰爪素碱作为手性助剂合成光学过量的3,5-二羧酸乙酯-4,5-二氢异噁唑
Sparteine as chiral auxiliary in preparation of chiral diethyl 4,5 dihydroisoxazole 3,5 dicarboxylate
文献类型:期刊文献
中文题名:用鹰爪素碱作为手性助剂合成光学过量的3,5-二羧酸乙酯-4,5-二氢异噁唑
英文题名:Sparteine as chiral auxiliary in preparation of chiral diethyl 4,5 dihydroisoxazole 3,5 dicarboxylate
作者:高林东[1];薛仲华[1];杨尚金[1];鲍子玉[2]
机构:[1]华东理工大学药物化工研究所;[2]上海五洲药厂
年份:1998
卷号:20
期号:4
起止页码:195
中文期刊名:化学试剂
外文期刊名:Chemical Reagents
收录:CSTPCD;;CSCD:【CSCD2011_2012】;
语种:中文
中文关键词:二氢异恶唑;鹰爪素碱;衍生物;不对称合成
外文关键词:asymmetric synthesis;1;3 dipolar cycloaddition;sparteine;chiral auxiliary;nitrileoxide
摘要:将光学纯的鹰爪素碱用于氧化亚氮乙酸乙酯的制备,在丙烯酸乙酯的存在下,得到光学活性的3,5-二羧酸乙酯-4,5-二氢异唑,其主要对映体的绝对构型为S。
thyl nitrileoxideacetate was prepared in situ from ethyl chlorooximidoacetate by using optically active sparteine as a base that reacted with ethyl acrylate to give diethyl 4,5 dihydroisoxazole 3,5 dicarboxylate with an enantiomer ratio of ca 53∶47 with the S isomer predominating
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