1: ethyl 2-oxo-cyclopentanecarboxylate With potassium carbonate in acetone
0.25 h;
2: 1-bromo-butane in acetone
5 h; Heating / reflux;
参考文献
CHINA PETROLEUM and CHEMICAL CORPORATION; BEIJING RESEARCH INSTITUTE OF CHEMICAL INDUSTRY, CHINA PETROLEUM and CHEMICAL CORPORATION
Patent: WO2006/45246 A1, 2006 ;
Location in patent: Page/Page column 19 ;