Abstract
(3R,4R)-4-Acetoxy-3-[(R)-1((t-butyldimethylsilyl)oxy)-ethyl]-1-methoxyphenyl-2-azetidinone (an important precursor for the synthesis of carbapenem antibiotics) was synthesized under mild and green conditions catalyzed by Cu-OMS-2. Normal to excellent isolated yields were obtained under given conditions.
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Acknowledgments
We thank Zhejiang Hisoar Pharmaceutical Co., Ltd for providing raw materials. This work was financially supported by the National Natural Science Foundation of China (20903047), and the Opening Project of State Key Laboratory of Chemical Resource Engineer (Beijing University of Chemical Technology).
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Li, G., Peng, B., Mao, Z. et al. Cu-OMS-2-catalyzed decarboxylation–acetoxylation of (3R,4R)-4-acid-3-[(R)-1-((t-butyl-dimethylsilyl)oxy)-ethyl]-1-methoxyphenyl-2-azetidinone with NaBrO3/NaOAc. Res Chem Intermed 40, 293–298 (2014). https://doi.org/10.1007/s11164-012-0963-5
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DOI: https://doi.org/10.1007/s11164-012-0963-5