期刊
GREEN CHEMISTRY
卷 11, 期 12, 页码 2013-2017出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/b915737a
关键词
-
资金
- National Natural Science Foundation of China [20773109, 20803062]
A green and effective method is reported for the oxidation of cholesteryl acetate to 7-keto-cholesteryl acetate with O-2 in the presence of catalytic amounts of N-hydroxyphthalimide (NHPI) under mild conditions. It was found that Co(OAc)(2) could cooperate with Mn(OAc)(2) to enhance the catalytic ability of NHPI resulting in better yields. This economical and environmentally-friendly method provides a potentially new way for the synthesis of the intermediate product of vitamin D-3 in industry, which eliminates the use of large amounts of bromine in present route and overcomes the drawbacks of the known oxidation methods.
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