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Volumn 349, Issue 3, 2007, Pages 441-447

Design of a conformationally rigid hydrazide organic catalyst

Author keywords

Aldehydes; Conformational control; Cycloaddition; Hydrazides; Organic catalysis

Indexed keywords


EID: 34547224498     PISSN: 16154150     EISSN: 15213897     Source Type: Journal    
DOI: 10.1002/adsc.200600268     Document Type: Article
Times cited : (67)

References (44)
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    • and references cited therein
    • b) P. Vachal, E. N. Jacobsen, J. Am. Chem. Soc. 2002, 124, 10012, and references cited therein.
    • (2002) J. Am. Chem. Soc , vol.124 , pp. 10012
    • Vachal, P.1    Jacobsen, E.N.2
  • 35
    • 34547182552 scopus 로고    scopus 로고
    • Allylic-type strain is also possible between the benzyl side-chain and the iminium moiety but was apparently less significant
    • Allylic-type strain is also possible between the benzyl side-chain and the iminium moiety but was apparently less significant.
  • 37
    • 34547173808 scopus 로고    scopus 로고
    • CCDC 610170 and 610171 contain the supplementary crystallographic data for this paper. These data can be obtained free of charge via www.ccdc.cam.ac.uk/data request/cif, or by emailing data request@ccdc.cam. ac.uk, or by contacting The Cambridge Crystallographic Data Centre, 12, Union Road, Cambridge CB2 1EZ, UK; fax: (+44)-1223-336033.
    • CCDC 610170 and 610171 contain the supplementary crystallographic data for this paper. These data can be obtained free of charge via www.ccdc.cam.ac.uk/data request/cif, or by emailing data request@ccdc.cam. ac.uk, or by contacting The Cambridge Crystallographic Data Centre, 12, Union Road, Cambridge CB2 1EZ, UK; fax: (+44)-1223-336033.
  • 38
    • 30744477746 scopus 로고    scopus 로고
    • Recently the structure of a hydrogen-bonded intermediate was disclosed: R. I. Storer, D. E. Carrera, Y. Ni, D. W. C MacMillan, J. Am. Chem. Soc. 2006, 128, 84.
    • Recently the structure of a hydrogen-bonded intermediate was disclosed: R. I. Storer, D. E. Carrera, Y. Ni, D. W. C MacMillan, J. Am. Chem. Soc. 2006, 128, 84.
  • 40
    • 34547195450 scopus 로고    scopus 로고
    • Our previous results show that the presence of non-coordinating counterions such as triflate, perchlorate and tetrafuloroborate is important in these reactions, see ref[7
    • [7]
  • 41
    • 0037459411 scopus 로고    scopus 로고
    • Significant couterion effects have been noted in other organocatalytic cycloadditions, see: a
    • Significant couterion effects have been noted in other organocatalytic cycloadditions, see: a) J. L. Cavill, J.-U Peters, N. C. O. Tomkinson, J. Chem. Soc., Chem. Commun. 2003, 728;
    • (2003) J. Chem. Soc., Chem. Commun , pp. 728
    • Cavill, J.L.1    Peters, J.-U.2    Tomkinson, N.C.O.3
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    • [9]
    • [9]


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