1: 3-tert-butyl-4-methoxybromobenzene With iodine; magnesium in tetrahydrofuran
1 h; Heating / reflux;
2: carbon dioxide in tetrahydrofuran
T=20°C;
3: With hydrogenchloride in tetrahydrofuran; water
参考文献
MEDIVIR AB
Patent: WO2007/144379 A1, 2007 ;
Location in patent: Page/Page column 38 ;