1: With potassium hydroxide; sulfur in bis [2-(2-methoxyethoxy)ethyl] ether T=130 - 180°C; 6 h; 2: With sulfuric acid in diethyl ether; bis [2-(2-methoxyethoxy)ethyl] ether; water T=20°C; 3: With sulfuric acid; dihydrogen peroxide; sulfur; acetic acid; CaO more than 3 stages;
参考文献
Hodogaya Chemical Co., Ltd.
Patent: EP2011793 A1, 2009 ;
Location in patent: Page/Page column 16; 17 ;