So far, in addition to halogen atoms, other non-metallic atoms can become part of the aromatic heterocycle, and the target ring system is still aromatic.Lassalas, Pierrik; Marsais, Francis; Hoarau, Christophe researched the compound: Ethyl oxazole-5-carboxylate( cas:118994-89-1 ).Product Details of 118994-89-1.They published the article 《DMAP-catalyzed Regel-type direct C-2 (hetero)aroylation of oxazoles and thiazoles derivatives with acid chlorides》 about this compound( cas:118994-89-1 ) in Synlett. Keywords: aroyl substituted oxazole thiazole preparation; oxazole thiazole acyl chloride aroylation DMAP catalyst. We’ll tell you more about this compound (cas:118994-89-1).
A Regel-type transition-metal-free direct C-2 aroylation of (benzo)oxazoles, (benzo)thiazoles and 1,3,4-oxadiazoles with acid chlorides catalyzed by N,N-dimethyl-4-aminopyridine (DMAP) is described. This methodol. is effective with several aroyl and heteroaroyl chlorides affording the corresponding 2-ketoazoles in moderate to excellent yields.
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