1: 2-[2-(2-ethoxyethoxy)-ethoxy]-ethanol; p-toluenesulfonyl chloride With pyridine in diethyl ether
3.5 h; Cooling with ice;
2: hydrogenchloride in water; ethyl acetate
参考文献
Elitech Holding B.V.; Vorobiev, Alexei; Lukhtanov, Eugeny A.
Patent: US2013/30166 A1, 2013 ;
Location in patent: Paragraph 0064; 0065 ;
