331969-21-2Relevant articles and documents
Deprotonation of pyridine carboxamides using lithium magnesiates bases
Hawad, Ha?an,Bayh, Omar,Hoarau, Christophe,Trécourt, Francois,Quéguiner, Guy,Marsais, Francis
, p. 3236 - 3245 (2008/09/21)
Regioselective deprotonation of N-methyl- and tert-butylpyridine carboxamides using lithium magnesiates bases was achieved at room temperature avoiding nucleophilic addition on the pyridine molecule and auto-condensation of the arylmetal intermediates on
Reaction of magnesiated bases on substituted pyridines: Deprotonation or 1,4-addition?
Bonnet, Veronique,Mongin, Florence,Trecourt, Francois,Queguiner, Guy
, p. 4245 - 4249 (2007/10/03)
N-(tert-Butyl)pyridine-2-carboxamide (1), N-phenylpyridine-2-carboxamide (7) and 2,2-dimethyl-N-(2-pyridyl)-propanamide (18) are readily deprotonated at C3 with a stoichiometric amount of PriMgCl or Bu2Mg in THF under reflux. Subsequ