Betti base derived P-stereogenic phosphine-diamidophosphite ligands with a single atom spacer and their application in asymmetric catalysis

Chakrabortty Soumyadeep; Konieczny Katharina; Müller Bernd H.Spannenberg AnkeKamer Paul C. J.de Vries Johannes G.

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Betti base derived P-stereogenic phosphine-diamidophosphite ligands with a single atom spacer and their application in asymmetric catalysis

机译：Betti碱衍生的P-肌发育性磷酸 - 二氨基磷酸酯配体具有单个原子间隔及其在不对称催化中的应用

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A set of hybrid P-stereogenic phosphine-diamidophosphite ligands based on the Betti base backbone has been synthesized. The ligands possess five chiral centers including the P-chirality in both the phosphorus atoms. The synthesis involves the incorporation of a P-chiral P–N synthon with a stereochemically defined P-chiral diamidophosphite as a coupling partner. The new ligands were applied in Rh-catalyzed asymmetric hydrogenation of several dehydroamino acids and in the Pd-catalzyed asymmetric allylic substitution of diphenyl allyl acetate. Moderate ees upto 74% in allylic substitution and excellent ees up to 99% were obtained in asymmetric hydrogenation using this new set of hybdrid PNP ligands.

机译：已经合成了一组基于贝蒂碱基链的杂化p-螺旋磷酸二氨基磷酸酯配体。配体具有五个手性中心，包括两个磷原子中的p r骨。该合成涉及将P-Perial P – N合成掺入立体化学定义的P二氨基磷酸盐作为耦合伴侣的立体定义的。新的配体用于几种脱氢氨基酸的Rh催化不对称氢化，并将其用于二苯基烯丙基乙酸的PD核酸不对称的非对称烯丙基取代。在非对称氢化中，使用这组新的Hybdrid PNP配体在非对称氢化中获得了高达74％的EES，在非对称氢化中获得了高达99％的EES。

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《Catalysis science & technology》 |2022年第5期|1392-1399|共8页
作者
Chakrabortty Soumyadeep; Konieczny Katharina; Müller Bernd H.Spannenberg AnkeKamer Paul C. J.de Vries Johannes G.;
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作者单位

Leibniz−Institut für Katalyse e.V.;

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正文语种英语
中图分类汉语教学;
关键词
asymmetric catalysis; US ENERGY EXTENSION SERVICE; AtomsSpacer Device ComponentHydrogenation;

机译：不对称催化;美国能量扩展服务;原子刺器设备构成水。;

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Betti base derived P-stereogenic phosphine-diamidophosphite ligands with a single atom spacer and their application in asymmetric catalysis

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