Enantioselective radical addition reactions to the C=N bond utilizing chiral quaternary ammonium salts of hypophosphorous acid in aqueous media

Cho DH; Jang DO

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Enantioselective radical addition reactions to the C=N bond utilizing chiral quaternary ammonium salts of hypophosphorous acid in aqueous media

机译：在水介质中利用次磷酸的手性季铵盐对C = N键进行对映选择性自由基加成反应

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摘要

An enantioselective addition of alkyl radicals to glyoxylate oxime ether mediated by Cinchona alkaloid derived chiral ammonium salts of hypophosphorous acid, QP and QDP, has been developed.

机译：已开发了由金鸡纳生物碱衍生的次磷酸手性铵盐QP和QDP介导的烷基自由基对乙醛酸肟醚的对映选择性加成。

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来源
《Chemical Communications》 |2006年第48期|p. 5045-5047|共3页
作者
Cho DH; Jang DO;
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作者单位

Yonsei Univ, Dept Chem, Wonju 220710, South Korea;

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原文格式 PDF
正文语种 eng
中图分类化学;
关键词
PHASE-TRANSFER CATALYSIS; ALPHA-AMINO-ACIDS; N-ETHYLPIPERIDINE HYPOPHOSPHITE; FORMING REACTION; WATER; DEOXYGENATION; CYCLIZATION; IMINES; DEHALOGENATION; METHODOLOGY;

机译：相转移催化;α-氨基酸;N-乙基哌啶亚硫酸盐;形成反应;水;脱氧;循环;亚胺;脱卤;方法;

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专利

1. On the scope of radical reactions in aqueous media utilizing quaternary ammonium salts of phosphinic acids as chiral and achiral hydrogen donors [J] . V.T.Perchyonok, Kellie L Tuck, Steven J.Langford Tetrahedron letters: The International Journal for the Rapid Publication of Preliminary Communications in Organic Chemistry . 2008,第32期

机译：关于以次膦酸季铵盐为手性和非手性氢供体的水性介质中的自由基反应范围
2. Enantioselective Free Radical Carbon-Carbon Bond Forming Reactions: Chiral Lewis Acid Promoted Acyclic Additions [J] . Jason Hongliu Wu, Rumen Radinov, Ned A. Porter Journal of the American Chemical Society . 1995,第44期

机译：对映选择性自由基碳-碳键形成反应：手性路易斯酸促进无环加成反应
3. Radical Addition to C=N Bonds Mediated by Chiral Ammonium Salts [J] . D. O. JANG, S. Y. KIM Synfacts: highlights in current synthetic organic chemistry . 2009,第2期

机译：自由基加成由手性铵盐介导的C = N键
4. Development of Phase-Transfer-Catalyzed Asymmetric Strecker Reaction Based on the Molecular Design of Chiral Quaternary Ammonium Salts [C] . Takashi Ooi Asymmetric synthesis and application of α-amino acids . 2007

机译：基于手性季铵盐分子设计的相转移催化不对称Strecker反应研究
5. Enantioselective conjugate additions to Meldrum's acid acceptors for the synthesis of quaternary centres and studies on persistent intramolecular carbon-hydrogen-X (X = oxygen, sulfur, bromium, chlorine, and fluorine) hydrogen bonds involving benzyl Meldrum's acids [D] . Wilsily, Ashraf 2009

机译：向Meldrum的酸受体进行对映选择性共轭加成，以合成季中心，并研究涉及苄基Meldrum酸的持久性分子内碳氢X（X =氧，硫，溴，氯和氟）氢键
6. Radical Reactions with Double Memory of Chirality (2MOC) for the Enantiospecific Synthesis of Adjacent Stereogenic Quaternary Centers in Solution: Cleavage and Bonding Faster than Radical Rotation [O] . Marino J. E. Resendiz, Farnosh Family, Kerrian Fuller, -1

机译：自由基反应与手性的双存储（2mOC）相邻立构第四纪中心在溶液中的对映体合成：切割和粘接不是激进的旋转速度更快
7. Enantioselective Michael Reaction of Fluoromalonates and Chalcones by Phase-Transfer Catalysis Using Chiral Quaternary Ammonium Salt [O] . 2003

机译：使用手性季铵盐的相转移催化氟丙烯酸盐和硫氨酸的映射性迈克尔反应
8. On the Structure of Hypophosphorous Acid. II. On the Reaction of the Aromatic Hydrazines with the Salts of Hypophosphorous Acid [R] . Plets, V. M. 1949

机译：次磷酸的结构。 II。在芳肼与次磷酸盐的反应

Enantioselective radical addition reactions to the C=N bond utilizing chiral quaternary ammonium salts of hypophosphorous acid in aqueous media

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