27794-03-2Relevant articles and documents
Cross-coupling reactions of indium organometallics with 2,5-dihalopyrimidines: Synthesis of hyrtinadine A+
Mosquera, Angeles,Riveiros, Ricardo,Sestelo, Jose Perez,Sarandeses, Luis A.
supporting information; experimental part, p. 3745 - 3748 (2009/07/09)
(Chemical Equation Presented) The palladium-catalyzed cross-coupling reaction of triorganoindium reagents (R3In) with 5-bromo-2- chloropyrimidine proceeds chemoselectively, in good yields, to give 5-substituted-2-chloropyrimidines or 2,5-disubstituted pyrimidines using 40 or 100 mol % of R3In, respectively. Sequential cross-couplings are also performed, in one pot, using two different R3In. This method was used to achieve the first synthesis of the alkaloid hyrtinadine A. The key step was a two-fold cross-coupling reaction between a tri(3-indolyl)indium reagent and 5-bromo-2-chloropyrimidine.
Electronic Effects of Aryl and Heteroaryl Groups on the Rate of Nucleophilic Displacement of Chlorine from 5-Heteroaryl(or Aryl)-2-chloropyrimidines by Piperidine
Allen, David W.,Buckland, David J.,Hutley, Barrie G.
, p. 463 - 467 (2007/10/02)
The kinetics of nucleophilic displacement of chlorine from a series of 2-chloro-5-heteroaryl(or aryl)pyrimidines by piperidine have been studied in order to assess the electronic effects of the 5-substituent.The observed order of reactivity is 5-(1-methyl