Transition States of Vicinal Diamine-Catalyzed Aldol Reactions.

The transition states of aldol reactions catalyzed by vicinal diamines are characterized with density functional calculations. It was found that a cyclic transition state involving a nine-membered hydrogen-bonded ring is preferred. The crown (chair-chair) conformations of the transition state accoun...

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Publicado en:Journal of the American Chemical Society Vol. 138; no. 2; pp. 503 - 507
Autores principales: Simon, Adam, Yu-hong Lam, Houk, K. N.
Formato: Artículo
Publicado: American Chemical Society 1/20/2016
Materias:
Acceso en línea:Ver este registro en EBSCOhost
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        atl: Transition States of Vicinal Diamine-Catalyzed Aldol Reactions.
      aug:
        au:
          Simon, Adam
          Yu-hong Lam
          Houk, K. N.
        affil: Department of Chemistry and Biochemistry, University of California, Los Angeles, 607 Charles E. Young Drive East, Los Angeles, California 90095-1569, United States
      su:
        Aldols
        Diamines
        Density functionals
        Hydrogen bonding
        Transition state theory (Chemistry)
        Stereoselective reactions
      sug:
        subj:
          Aldols
          Diamines
          Density functionals
          Hydrogen bonding
          Transition state theory (Chemistry)
          Stereoselective reactions
      ab: The transition states of aldol reactions catalyzed by vicinal diamines are characterized with density functional calculations. It was found that a cyclic transition state involving a nine-membered hydrogen-bonded ring is preferred. The crown (chair-chair) conformations of the transition state account for the observed stereoselectivity of these reactions.
      pubtype: Academic Journal
      doctype: Article
      src: R
    language: English
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