lactonization相关论文
Goodyeroside A 1,a natural product with hepatoprotective activity,was efficiently synthesized in a total yield of 47% in......
Studies on the Total Synthesis of Hainanolide(VIII)-Introducing C4-Methoxy Group,and Forming the Rin
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
Studies on the Total Synthesis of Crotocembreneic Acid and Neocrotocembreneic Acid:A Perchloric Acid
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
为探究吕家坨井田地质构造格局,根据钻孔勘探资料,采用分形理论和趋势面分析方法,研究了井田7......
A pair of Z and E isomers of cyclization of γ-ketoacid 7,which was prepared in six steps from 2,5-dimethoxyphenyl aceti......
Studies on the Total Synthesis of Crotocembreneic Acid and Neocrotocembreneic Acid:A Perchloric Acid
A perchoric acid-induced lactonization reaction of epoxy ester is described.Using lithium perchlorate, the ketone is obt......
Studies on the Total Synthesis of Hainanolide(VIII)-Introducing C4-Methoxy Group,and Forming the Rin
The titled compound 6a and 6b were synthesized from tricyclic ketone 1 through five steps....
以正丁醇和戊烯酸甲酯为起始原料,通过两步反应合成高纯度的δ-辛内酯。首先在加热条件下,经自由基引发的双键加成得到6-羟基癸酸......
以L-天冬氨酸为原料,采用内酯法并通过先脱羟甲基再去保护基的方法,以避免原酸酐工艺中β-阿斯巴甜副产物的生成,提高阿斯巴甜成品......
Lactonization of 5-Phenylfuran-4-arylcarbinol-3-carboxylic Acids under the Catalysis of Boron Triflu
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Studies on the Total Synthesis of Crotocembreneic Acid and Neocrotocembreneic Acid:A Perchloric Acid
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The titled compound 6a and 6b were synthesized from tricyclic ketone 1 through five steps....
以对硝基甲苯和多聚甲醛为原料，经过两种途径合成了二氨基芳香型螺双内酯－６，６′－二氨基－３，３′－螺双酞，发现二（２０甲基－５－硝基苯基）甲烷在酸性体系中经氧......
