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Volumn 47, Issue 27, 2008, Pages 5079-5081

Direct catalytic asymmetric three-component Kabachnik-fields reaction

Author keywords

Asymmetric catalysis; Chiral phosphoric acid; Dynamic kinetic resolution; Hydrophosphonylation; Organocatalysis

Indexed keywords

ALDEHYDES; AMINES; AMINO ACIDS; CHEMICAL REACTIONS; ORGANIC ACIDS; ORGANIC COMPOUNDS; PHOSPHORIC ACID;

EID: 49849086423     PISSN: 14337851     EISSN: None     Source Type: Journal    
DOI: 10.1002/anie.200801173     Document Type: Article
Times cited : (162)

References (77)
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    • Alternative nitrogen sources that have been investigated include BocNH2, CbzNH2 benzamide, benzylamine, dibenzylamine, morpholine, and diphenylamine, which all gave no reaction. Among the anilines tested, p-anisidine gave higher enantioselectivities than p-hydroxylaniline, p-ethoxyaniline, p-phenoxyaniline, and o-methoxyaniline. We have also investigated other phospites, including diethyl, diisopropyl, and di(o-nitrobenzyl) phosphite and found di(3-pentyl)phosphite gave the highest enantioselectivities
    • 2 benzamide, benzylamine, dibenzylamine, morpholine, and diphenylamine, which all gave no reaction. Among the anilines tested, p-anisidine gave higher enantioselectivities than p-hydroxylaniline, p-ethoxyaniline, p-phenoxyaniline, and o-methoxyaniline. We have also investigated other phospites, including diethyl-, diisopropyl-, and di(o-nitrobenzyl) phosphite and found di(3-pentyl)phosphite gave the highest enantioselectivities.
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    • For synthetic details, see the Supporting Information
    • For synthetic details, see the Supporting Information.
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    • CCDC-679478 (λ = 1.54178 Å) and CCDC-679479 (λ = 1.77121 Å) (4g) contain the supplementary crystallographic data for this paper. These data can be obtained free of charge from The Cambridge Crystallographic Data Centre via www.ccdc.cam.ac.uk/data_request/cif.
    • CCDC-679478 (λ = 1.54178 Å) and CCDC-679479 (λ = 1.77121 Å) (4g) contain the supplementary crystallographic data for this paper. These data can be obtained free of charge from The Cambridge Crystallographic Data Centre via www.ccdc.cam.ac.uk/data_request/cif.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.