1: n-bromopentane With magnesium in diethyl ether 1 h; Heating / reflux; 2: N-methoxy-N-methyl-2-pyrrolecarboxamide in diethyl ether T=0°C; 3 h; 3: With hydrogenchloride in diethyl ether; water T=0°C;
参考文献
The United States of America as represented by the Secretary of the Navy
Patent: US7161015 B1, 2007 ;
Location in patent: Page/Page column 4-5 ;