Lewis acid promoted C–C and copper-catalyzed C–O bond formation: synthesis of neoflavans

B. Suchand; J. Krishna; K. Mritunjoy; G. Satyanarayana

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Lewis acid promoted C–C and copper-catalyzed C–O bond formation: synthesis of neoflavans

机译：Lewis酸促进C-C和铜催化的C-O键形成：新氟伐的合成

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An intramolecular [Cu]-catalyzed C–O bond formation for the synthesis of neoflavans is presented. Lewis acid promoted Friedel–Crafts Michael addition of electron rich aromatic systems onto the double bond of the cinnamate ester was employed to furnish a β-diaryl ester. Electrophilic aromatic bromination of the β-diaryl ester and reduction/Grignard addition furnished the required precursor alcohols. The method is applicable to the synthesis of neoflavans containing tertiary as well as quaternary carbon centers. Significantly, the neoflavan substructures are present in biologically active compounds.

机译：介绍了分子内[Cu] - 催化用于合成新氟伐的C-O键形成。 Lewis酸促进Friedel-Crafts Michael加入电子富芳族系统在肉桂酯的双键上使用，用于提供β-二芳基酯。电泳芳族溴化β-二芳基酯和还原/格氏添加的补充所需的前体醇。该方法适用于含有三级和季碳中心的新烷烃的合成。值得注意的是，Neoflavan亚结构存在于生物活性化合物中。

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《RSC Advances》 |2014年第27期|共5页
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B. Suchand; J. Krishna; K. Mritunjoy; G. Satyanarayana;
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1. Lewis acid promoted dual bond formation: facile synthesis of dihydrocoumarins and spiro-tetracyclic dihydrocoumarins [J] . Pedireddi Niharika, Bokka Venkat Ramulu, Gedu Satyanarayana Organic & biomolecular chemistry . 2014,第25期

机译：路易斯酸促进双键形成：轻松合成二氢香豆素和螺四环二氢香豆素
2. Copper-catalyzed and iodide-promoted aerobic C-C bond cleavage/C-N bond formation toward the synthesis of amides [J] . Wu Kun, Huang Zhiliang, Ma Yiyang, RSC Advances . 2016,第29期

机译：铜催化和碘化物促进的有氧C-C键切割/ C-N键形成酰胺的合成
3. Copper-catalyzed and iodide-promoted aerobic C–C bond cleavage/C–N bond formation toward the synthesis of amides [J] . Kun Wu, Zhiliang Huang, Yiyang Ma, RSC Advances . 2016,第29期

机译：铜催化和碘化物促进的有氧C-C键切割/ C-N键形成酰胺的合成
4. SYNTHESIS OF PRO-RICH PEPTIDE ANALOGUE CONTAINING PIPECOLIC ACID: INFLUENCE ON PEPTIDE BOND STABILITY AND CONFORMATION [C] . Chiara Rubini, Barbara Biondi, Andrea Calderan the European Peptide Symposium . 2007

机译：含有吡啶醇的富含富含肽类似物的合成：对肽键稳定性和构象的影响
5. Enantioselective Transformations of α- and β-Amino C-H Bonds Promoted by Cooperative Actions of Achiral and Chiral Lewis Acid Catalysts [D] . Chang, Yejin. 2021

机译：α-和β-氨基C-H键的对映选择性转化，促进了成立和手性路易斯酸催化剂的合作作用
6. Brønsted/Lewis acid sites synergistically promote the initial C–C bond formation in the MTO reaction [O] . Yueying Chu, Xianfeng Yi, Chengbin Li, 2018

机译：布朗斯台德/刘易斯酸位点协同促进MTO反应中最初的C–C键形成
7. Lewis acid promoted C–C and copper-catalyzed C–O bond formation: synthesis of neoflavans† [O] . B, Suchand, J, Krishna, K, Mritunjoy, 2014

机译：路易斯酸促进了C–C和铜催化的C–O键的形成：新黄烷的合成†

Lewis acid promoted C–C and copper-catalyzed C–O bond formation: synthesis of neoflavans

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