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2005
Triazole derivatives
R 0280
Regioselective Synthesis of [1,2,3]-Triazoles Catalyzed by Cu(I) Generated in situ
Cu(0) Nanosize Activated Powder and Amine Hydrochloride Salts. — It is
33- 137 from
demonstrated that the Cu-catalyzed 1,3-dipolar cycloaddition of terminal alkynes and
azides is efficiently promoted by amine hydrochloride salt. It enhances the dissolution
of Cu(0) resulting in an improved generation of the catalytic Cu(I) species. The amine
hydrochloride can be introduced either as an additive or as functional group on one of
the reactants. — (ORGUEIRA*, H. A.; FOKAS, D.; ISOME, Y.; CHAN, P. C.-M.;
BALDINO, C. M.; Tetrahedron Lett. 46 (2005) 16, 2911-2914; Dep. Chem., ArQule,
Inc., Woburn, MA 01801, USA; Eng.) — Mais
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