Article

Reversible 1,4-insertion of pyridine into a highly polar metal-carbon bond: effect of the second metal.

Institut für Anorganische Chemie, RWTH Aachen University, Landoltweg 1, 52056 Aachen, Germany.
Chemistry (impact factor: 5.93). 04/2012; 18(21):6448-52. DOI:10.1002/chem.201200808 pp.6448-52
Source: PubMed

ABSTRACT Highly polar allylpotassium reacts with pyridine in a reversible 1,4-insertion to give an unstable N-metalated dihydropyridine (DHP). The N-metalated DHP can be stabilized by conversion into the corresponding potassium zincate or magnesate maintaining the reversible character of the insertion reaction.

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Keywords

corresponding potassium zincate
 
DHP
 
insertion reaction
 
N-metalated DHP
 
polar allylpotassium
 
reversible 1,4-insertion
 
reversible character