红花桑寄生中的化学成分(5)
5 Alkaline hydrolysis of 1
Compound 1 (5.0 mg) was refluxed with 5% KOH-MeOH (5.0 mL ) for 4 h at 75 ℃. The reaction product was diluted with H2O (20.0 mL) and adjusted pH to 7.0 with HCl， then extracted with CHCl3 (20.0 mL×2). The CHCl3 solutions were dried (anhydrous Na2SO4 ) ......
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Compound 1 (5.0 mg) was refluxed with 5% KOH-MeOH (5.0 mL ) for 4 h at 75 ℃. The reaction product was diluted with H2O (20.0 mL) and adjusted pH to 7.0 with HCl， then extracted with CHCl3 (20.0 mL×2). The CHCl3 solutions were dried (anhydrous Na2SO4 ) ......
您现在查看是摘要页，全文长 2756 字符。