Enantiocontrolled Synthesis of Highly Functionalized Tropanes via [5 + 2] Cycloaddition to η3-Pyridinylmolybdenum π-Complexes

Organic Letters

Volumn 2, Issue 24, 2000, Pages 3909-3911

  Malinakova, Helena C ^a   Liebeskind, Lanny S ^a  

^a EMORY UNIVERSITY   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ALKENE; ALKYNE; MOLYBDENUM; ORGANOMETALLIC COMPOUND; PYRIDINE DERIVATIVE; TROPANE DERIVATIVE;

ARTICLE; CHEMISTRY; CYCLIZATION; STEREOISOMERISM; SYNTHESIS; X RAY CRYSTALLOGRAPHY;

ALKENES; ALKYNES; CRYSTALLOGRAPHY, X-RAY; CYCLIZATION; MOLYBDENUM; ORGANOMETALLIC COMPOUNDS; PYRIDINES; STEREOISOMERISM; TROPANES;

EID: 0034736307     PISSN: 15237060     EISSN: None     Source Type: Journal    
DOI: 10.1021/ol000288x     Document Type: Article

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17. 3) to ethanolic solutions of 3.
18. 5 adjacent to the bridging nitrogen were indicative of the exo and endo relationships. The structure of adduct 11a was arbitrarily assigned as exo by relying on the demonstrated (X-ray) preference for the exo adducts.
19. 4 The reversibility of some of the cycloadditions reported here lend credence to a path proceeding through zwitterionic intermediate IVb.