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2005
Pyrimidine derivatives
R 0510
Combining Biginelli Multicomponent and Click Chemistry: Generation of
Libraries. — The multistep sequence to
13- 164 6-(1,2,3-Triazol-1-yl)-dihydropyrimidone
obtain the title pyrimidones involves bromination of 6-methyl-pyrimidones of type (I)
and (VI), a subsequent microwave-assisted azidation step, and a final copper-catalyzed
cycloaddition of the resulting azides with terminal acetylenes under controlled microwave irradiation. In a total, a library of 27 compounds is prepared with 4 points of diversity. — (KHANETSKYY, B.; DALLINGER, D.; KAPPE*, C. O.; J. Comb. Chem.
6 (2004) 6, 884-892; Inst. Chem., Karl-Franzens-Univ., A-8010 Graz, Austria; Eng.)
— Klein
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