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Volumn 46, Issue 22, 2007, Pages 4141-4144

Stereoselective synthesis of ferrocene-based C2-symmetric diphosphine ligands: Application to the highly enantioselective hydrogenation of α-substituted cinnamic acids

Author keywords

Asymmetric catalysis; Chirality; Ferrocenes; Phosphane ligands; Transition states

Indexed keywords

CARBOXYLIC ACIDS; CATALYSIS; CHIRALITY; HYDROGENATION; PHOSPHORUS COMPOUNDS; STEREOSELECTIVITY; SUBSTITUTION REACTIONS; SYNTHESIS (CHEMICAL);

EID: 34250699978     PISSN: 14337851     EISSN: None     Source Type: Journal    
DOI: 10.1002/anie.200604493     Document Type: Article
Times cited : (108)

References (55)
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    • So far, the best catalysts for the asymmetric hydrogenation of α-substituted cinnamic acids are spirobifluorene-diphosphine-Ru complexes and MonoPhos-Rh complexes reported by the groups of Zhou and de Vries, respectively; a X. Cheng, Q. Zhang, J. Xie, L. Wang, Q. Zhou, Angew. Chem. 2005, 117, 1142;
    • So far, the best catalysts for the asymmetric hydrogenation of α-substituted cinnamic acids are spirobifluorene-diphosphine-Ru complexes and MonoPhos-Rh complexes reported by the groups of Zhou and de Vries, respectively; a) X. Cheng, Q. Zhang, J. Xie, L. Wang, Q. Zhou, Angew. Chem. 2005, 117, 1142;
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    • More than 250 catalysts and conditions were screened by Houpis et al. in the asymmetric hydrogenation of 3-(4-benzyloxyphenyl)-2-ethoxyacrylic acid, and the best result obtained was 92% ee with the Walphos-Rh complex under optimized conditions: I. N. Houpis, L. E. Patterson, C. A. Alt, J. R. Rizzo, T. Y. Zhang, M. Haurez, Org. Lett. 2005, 7, 1947.
    • More than 250 catalysts and conditions were screened by Houpis et al. in the asymmetric hydrogenation of 3-(4-benzyloxyphenyl)-2-ethoxyacrylic acid, and the best result obtained was 92% ee with the Walphos-Rh complex under optimized conditions: I. N. Houpis, L. E. Patterson, C. A. Alt, J. R. Rizzo, T. Y. Zhang, M. Haurez, Org. Lett. 2005, 7, 1947.
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* 이 정보는 Elsevier사의 SCOPUS DB에서 KISTI가 분석하여 추출한 것입니다.