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Volumn 71, Issue 10, 2006, Pages 3837-3848

Diastereoselective and enantiospecific synthesis of γ-substituted α,β-unsaturated nitriles from O-protected allylic cyanohydrins

Author keywords

[No Author keywords available]

Indexed keywords

O-PROTECTED CYANOHYDRINS; REACTION CONDITIONS; UNSATURATED ALDEHYDES; UNSATURATED NITRILES;

EID: 33646524527     PISSN: 00223263     EISSN: None     Source Type: Journal    
DOI: 10.1021/jo060239j     Document Type: Article
Times cited : (35)

References (94)
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    • (2004) Comprehensive Asymmetric Catalysis , Issue.SUPPL. 2 , pp. 73-95
    • Paquin, J.-F.1    Lautens, M.2
  • 53
    • 0042379988 scopus 로고    scopus 로고
    • For recent reviews of asymmetric palladium-catalyzed allylic substitutions, see: (a) Trost, B. M.; Crawley, M. L. Chem. Rev. 2003, 103, 2921-2943.
    • (2003) Chem. Rev. , vol.103 , pp. 2921-2943
    • Trost, B.M.1    Crawley, M.L.2
  • 57
    • 85064432185 scopus 로고
    • For recent reviews of the synthesis and applications of cyanohydrins and their derivatives, see: (a) North, M. Synlett 1993, 807-820.
    • (1993) Synlett , pp. 807-820
    • North, M.1
  • 62
    • 19644385319 scopus 로고    scopus 로고
    • Murahashi, S.-I., Ed.; Thieme: Stuttgart
    • (f) North, M. Science of Synthesis; Murahashi, S.-I., Ed.; Thieme: Stuttgart, 2004; Vol. 19, pp 235-284.
    • (2004) Science of Synthesis , vol.19 , pp. 235-284
    • North, M.1
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    • Gröger, H.1
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    • The reactivity as α-acyl anion synthon of a cyanohydrin-O-chiral- cyclic-amidophosphate has been reported: (a) Schrader, T. Angew. Chem., Int. Ed. 1995, 34, 917-919.
    • (1995) Angew. Chem., Int. Ed. , vol.34 , pp. 917-919
    • Schrader, T.1
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    • The racemization of cyanohydrin-O-phosphate derived from benzaldehyde has been evaluated in the presence of 1 equiv of nitrogenated bases at room temperature, in THF (under an inert atmosphere) during 12 h. The results of the table below clearly demonstrate a stronger basic character of the benzylamine and triethylamine versus dibenzylamine, N-methylimidazole (NMI), and pyridine. (Equation Presented)
    • The racemization of cyanohydrin-O-phosphate derived from benzaldehyde has been evaluated in the presence of 1 equiv of nitrogenated bases at room temperature, in THF (under an inert atmosphere) during 12 h. The results of the table below clearly demonstrate a stronger basic character of the benzylamine and triethylamine versus dibenzylamine, N-methylimidazole (NMI), and pyridine. (Equation Presented)


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