Advanced Synthesis & Catalysis
10.1002/adsc.201900294
mixture was stirred at room temperature for 12 h. Then
EtOAc and water were added and the layers were
separated. The aqueous phase was extracted with
EtOAc (x2) and the combined organic layers were
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dried over Na
2
SO , filtered, and concentrated. The
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Acknowledgements
We thank for the support from National Key R&D
Program
018YFB1501600), National Natural Science
Foundation of China (21572212, 21732006,
1702200 and 51821006), Strategic Priority Research
of
China
(2017YFA0303502,
2
2
Program of CAS (XDA21060101, XDB20000000) and
the Major Program of Development Foundation of
Hefei Centre for Physical Science and Technology
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