Lewis acid catalysis of the intramolecular Diels-Alder reaction of 1-azadienes.

Tetrahedron Letters

Volumn 40, Issue 40, 1999, Pages 7215-7218

  Motorina, Irina A ^a   Grierson, David S ^a  

^a INSTITUT DE CHIMIE DES SUBSTANCES NATURELLES   (France)

Author keywords

[No Author keywords available]

Indexed keywords

ALKADIENE; BISMUTH DERIVATIVE; MESYLIC ACID DERIVATIVE; OXAZOLINE DERIVATIVE;

ARTICLE; CATALYSIS; CATALYST; CHEMICAL MODIFICATION; CHEMICAL REACTION KINETICS; CHIRALITY; REACTION ANALYSIS;

EID: 0033214261     PISSN: 00404039     EISSN: None     Source Type: Journal    
DOI: 10.1016/S0040-4039(99)01464-1     Document Type: Article

References (43)

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38. 2) coordinate preferentially nitrogen atom, while titan, for example, has preponderance for oxygen. (Ferraris, D.; Drury III, W.J.; Cox, C.; Lectka, T. J. Org. Chem., 1998, 63, 4568). The choice of Lewis acid catalyst for hetero Diels-Alder reactions stays at the present time arbitrary, though it is clear that such factors as the ease of cation coordination with the heteroatom (close MO levels) and the facility of salt dissociation (usually better in polar solvents) play the determining role in catalytic activity.
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