(S)-Dimethyl-4, 4′-dimethoxy-5, 6, 5′, 6′-dimethenedioxy-biphenyl-2, 2′-dicarbonylatewas synthesized in reasonable yield through a series of reactions, including chiral oxazoline-mediated asymmetric Ullmann coupli...(S)-Dimethyl-4, 4′-dimethoxy-5, 6, 5′, 6′-dimethenedioxy-biphenyl-2, 2′-dicarbonylatewas 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.展开更多
文摘(S)-Dimethyl-4, 4′-dimethoxy-5, 6, 5′, 6′-dimethenedioxy-biphenyl-2, 2′-dicarbonylatewas 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.
