Turning the Nitrogen Atoms of an Ar2 P-CH2 -N-N-CH2 -PAr2 Motif into Uniquely Configured Stereocenters : A Novel Diphosphane Design for Asymmetric Catalysis
© 2018 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim..
Hexahydropyridazines with CH2 PAr2 groups at both N atoms are newly designed 1,4-diphosphanes and were synthesized for the first time. Their N atoms assume a single configuration under the influence of stereocenters at C-5 and C-6. In the solid state, these N-atoms bind the CH2 PAr2 substituents axially. Combined with Pd0 , N,N'-chiral diphosphanes of this kind catalyzed Tsuji-Trost type allylations of dialkyl malonates with racemic 1,3-diphenylallyl acetate efficiently and with up to 91 % ee.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2018 |
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| Erschienen: |
2018 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:24 |
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| Enthalten in: |
Chemistry (Weinheim an der Bergstrasse, Germany) - 24(2018), 14 vom: 07. März, Seite 3429-3433 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Diehl Née Knobloch, Eva [VerfasserIn] |
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| Links: |
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| Themen: |
Asymmetric catalysis |
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| Anmerkungen: |
Date Completed 30.03.2018 Date Revised 30.03.2018 published: Print-Electronic Citation Status PubMed-not-MEDLINE |
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| doi: |
10.1002/chem.201706160 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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NLM279561571 |
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| 520 | |a © 2018 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim. | ||
| 520 | |a Hexahydropyridazines with CH2 PAr2 groups at both N atoms are newly designed 1,4-diphosphanes and were synthesized for the first time. Their N atoms assume a single configuration under the influence of stereocenters at C-5 and C-6. In the solid state, these N-atoms bind the CH2 PAr2 substituents axially. Combined with Pd0 , N,N'-chiral diphosphanes of this kind catalyzed Tsuji-Trost type allylations of dialkyl malonates with racemic 1,3-diphenylallyl acetate efficiently and with up to 91 % ee | ||
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| 650 | 4 | |a configurational stability | |
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