Citation:
Sen Xiang CHENG, Li Min WANG, Jun Biao CHANG, Ling Bo QU, Rong Feng CHEN, Jing Xi XIE. Asymmetric Synthesis of (S)-Dimethyl-4,4'-dimethoxy-5,6,5',6'-dimethenedioxy biphenyl-2, 2'-dicarboxylate[J]. Chinese Chemical Letters,
;2005, 16(2): 167-170.
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(S)-Dimethyl-4, 4'-dimethoxy-5, 6, 5', 6'-dimethenedioxy-biphenyl-2, 2'-dicarbonylate was synthesized in reasonable yield through a series of reactions, including chiral oxazoline-mediated asymmetric Ullmann coupling, from methyl 2-bromo-5-methoxy-3, 4-methenedioxy-benzoate.
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Keywords:
- Biphenyl,
- Schisandrin C,
- asymmetric Ullmann coupling.
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