1: With titanium(IV) isopropylate in diethyl ether
T=20 - 70°C; 0.1 h;
2: With boron trifluoride diethyl etherate in diethyl ether
T=20°C; 1 h;
3: With hydrogenchloride in diethyl ether; water
参考文献
Boehringer Ingelheim International GmbH
Patent: US2006/116370 A1, 2006 ;
Location in patent: Page/Page column 9 ;