1: With boron tribromide in dichloromethane T=5°C; 2 h; Cooling with acetone-dry ice; 2: With sodium hydroxide in dichloromethane; water T=0°C; pH=6.5;
参考文献
FUJISAWA PHARMACEUTICAL CO., LTD
Patent: WO2004/45610 A1, 2004 ;
Location in patent: Page/Page column 137-138 ;
WO 2004/045610 A1
toluene-4-sulfonic acid in dichloromethane 3 h; Ambient temperature;
参考文献
Zacharie, Boulos; Attardo, Giorgio; Barriault, Nancy; Penney, Christopher
Journal of the Chemical Society - Perkin Transactions 1, 1997 , # 19 p. 2925 - 2929
Zacharie, Boulos; Attardo, Giorgio; Barriault, Nancy; Penney, Christopher
Journal of the Chemical Society - Perkin Transactions 1, 1997 , # 19 p. 2925 - 2929
Zacharie, Boulos; Attardo, Giorgio; Barriault, Nancy; Penney, Christopher
Journal of the Chemical Society - Perkin Transactions 1, 1997 , # 19 p. 2925 - 2929
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