高价分子
对映选择合成
化学
烯烃
超分子化学
催化作用
分子间力
组合化学
试剂
有机催化
不对称诱导
分子
有机化学
作者
Stefan Haubenreisser,Thorsten H. Wöste,Claudio Martı́nez,Kazuaki Ishihara,Kilian Muñiz
标识
DOI:10.1002/anie.201507180
摘要
Abstract Molecular structures of the most prominent chiral non‐racemic hypervalent iodine(III) reagents to date have been elucidated for the first time. The formation of a chirally induced supramolecular scaffold based on a selective hydrogen‐bonding arrangement provides an explanation for the consistently high asymmetric induction with these reagents. As an exploratory example, their scope as chiral catalysts was extended to the enantioselective dioxygenation of alkenes. A series of terminal styrenes are converted into the corresponding vicinal diacetoxylation products under mild conditions and provide the proof of principle for a truly intermolecular asymmetric alkene oxidation under iodine(I/III) catalysis.
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