4-氯-1-丁基磺酰氯,磺胺置于吡啶体系中,化学反应 29.0H,以75%的收率获得产物噻嗪磺胺 参考文献:通过质子耦合电子转移实现烯烃与磺酰胺的对映选择性加氢胺化 标题:通过质子耦合电子转移实现烯烃与磺酰胺的对映选择性加氢胺化 摘要:报道了一种对映选择性,基于自由基的方法,用于烯烃与磺酰胺的分子内加氢胺化.建议这些反应通过磺酰胺 Nh 键的质子耦合电子转移 (Pcet) 活化形成的 N 中心自由基进行.中性磺酰胺自由基与 Pcet 事件中产生的手性磷酸之间的非共价相互作用被假设为后续 Cn 键形成步骤中不对称诱导的基础,实现高达 98:2 Er 的选择性.这些结果进一步支持了非共价相互作用在瞬态和高反应性开壳中间体的反应中增强立体选择性的能力. DOI:10.1021/jacs.0C01332
专利信息
专利号:US-2008214827-A1 优先权日:2004-02-03 标 题:Synthesis of Cyanoimino-Benzoimidazoles 发明人:GOEHRING R RICHARD; WHITEHEAD JOHN; SHAO BIN 权利人:EURO CELTIQUE SA 摘要:Disclosed in certain embodiments is a process for synthesizing a compound of formula (V) and salts thereof.
专利号:CA-2555219-A1 优先权日:2004-02-03 标 题 :Synthesis of cyanoimino-benzoimidazoles
专利号:US-8945508-B2 优先权日:2009-10-13 标 题 :Dendrimer compositions and methods of synthesis 发明人:BAKER JR JAMES R; HUANG BAOHUA 权利人:BAKER JR JAMES R; HUANG BAOHUA; UNIV MICHIGAN 摘要:The present invention relates to novel dendrimer compounds and methods of synthesizing the same. In particular, the present invention is directed to novel polyamidoamine (PAMAM) dendrimers, novel dendrimer branching units, methods for synthesizing such novel PAMAM dendrimers and functionalized dendrimers, as well as systems and methods utilizing the dendrimers (e.g., in diagnostic and/or therapeutic settings (e.g., for the delivery of therapeutics, imaging, and/or targeting agents (e.g., in disease diagnosis and/or therapy, etc.))).
专利号:WO-2005075459-A1 优先权日:2004-02-03 标题:Synthesis of cyanoimino-benzoimidazoles
专利号:JP-2007520493-A 优先权日:2004-02-03 标 题 :Synthesis of cyanoiminobenzimidazole
专利号:MX-2009002267-A 优先权日:2006-08-28 标题:PROCEDURE AND INTERMEDIARIES FOR THE SYNTHESIS OF DERIVATIVES AND INTERMEDIARIES OF (3-ALQUIL-5-PIPERIDIN-1-IL-3,3A-DIHIDRO-PIRAZOLO [1,5-A] PIRIMIDIN-7-IL) -AMINO.
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合成参考文献
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