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Volumn 13, Issue 14, 2007, Pages 4094-4102

Dynamic processes in the copper-catalyzed substitution of chiral allylic acetates lending to loss of chiral information

Author keywords

Allylic substitution; Chirality; Copper; Dynamic processes; Heterogeneous catalysis; Racemization

Indexed keywords

CATALYSIS; CHIRALITY; COPPER; REACTION KINETICS; STEREOCHEMISTRY; SUBSTITUTION REACTIONS;

EID: 34250308301     PISSN: 09476539     EISSN: 15213765     Source Type: Journal    
DOI: 10.1002/chem.200601684     Document Type: Article
Times cited : (30)

References (47)
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    • For some recent selected references on Cu-catalyzed enantioselective 1.4-additions and γ-substitution of allylic electrophiles see: a F. López, S. R. Harutyunyan, A. Meetsma, A. J. Minnaard, B. L. Feringa, Angew. Chem. 2005, 117, 2812;
    • For some recent selected references on Cu-catalyzed enantioselective 1.4-additions and γ-substitution of allylic electrophiles see: a) F. López, S. R. Harutyunyan, A. Meetsma, A. J. Minnaard, B. L. Feringa, Angew. Chem. 2005, 117, 2812;
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    • For related studies on palladium-catalyzed substitution reactions of allylic substrates see: a
    • For related studies on palladium-catalyzed substitution reactions of allylic substrates see: a) P. R. Auburn, P. B. Mackenzie, B. Bosnien, J. Am. Chem. Soc. 1985, 107, 2033;
    • (1985) J. Am. Chem. Soc , vol.107 , pp. 2033
    • Auburn, P.R.1    Mackenzie, P.B.2    Bosnien, B.3
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    • 5.
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    • Attempts to use more sterically hindered alkyl Grignard reagents such as cyclohexylmagnesium bromide or isopropylmagnesium bromide gave complex product mixtures
    • Attempts to use more sterically hindered alkyl Grignard reagents such as cyclohexylmagnesium bromide or isopropylmagnesium bromide gave complex product mixtures.
  • 36
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    • Optical rotation of this product was close to zero. In the absence of a reference value, the product was considered practically racemic
    • Optical rotation of this product was close to zero. In the absence of a reference value, the product was considered practically racemic.
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    • This has been suggested from theoretical studies on the reductive elimination from allyl CuIII complexes. M. Yamanaka, S. Kato, E. Nakamura. J. Am. Chem. Soc. 2004, 126, 6287
    • III complexes. M. Yamanaka, S. Kato, E. Nakamura. J. Am. Chem. Soc. 2004, 126, 6287.


* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.