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[期刊论文] 作者：Juan Hong YU,Yu She YANG,Ru Yu,
来源：中国化学快报（英文版） 年份：2004
A mild and efficient procedure to build up various chromone-2-carboxylates was developed. Condensation of diverse 2-hydroxyacetophones with tetr-butyl oxalate i...
[期刊论文] 作者：Bai Shu GUO,Yu She YANG,Ru Yun,
来源：中国化学快报 年份：2004
An improved method for preparation of 4-methyl-2-phenyl piperazine and its derivatives with higher yield and inexpensive reagents was developed, the products we...
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