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.Jiang, Yong; Hu, Miao; Sun, Nan; Hu, Baoxiang; Shen, Zhenlu; Hu, Xinquan; Jin, Liqun researched the compound: 4-Aminopyrimidine( cas:591-54-8 ).SDS of cas: 591-54-8.They published the article 《Bidentate geometry-constrained iminopyridyl nickel-catalyzed synthesis of amines or imines via borrowing hydrogen or dehydrogenative condensation》 about this compound( cas:591-54-8 ) in Tetrahedron Letters. Keywords: secondary amine preparation; primary amine alc iminopyridyl nickel catalyst alkylation; imine preparation; alkyl amine alc iminopyridyl nickel catalyst dehydrogenative coupling reaction; bidentate geometry constrained iminopyridyl nickel catalyst preparation. We’ll tell you more about this compound (cas:591-54-8).
The efficient Ni-catalyzed N-alkylation of various anilines with alcs. via borrowing hydrogen was reported using a bidentate geometry-constrained iminopyridyl nickel complex as the catalyst. Substituted benzylic alcs. and short/long chain aliphatic alcs. could be applied as the alkylation sources to couple with aromatic and heteroaromatic amines to give a diverse set of N-alkylation outcomes in moderate to excellent yields. The nickel catalytic system was also suitable for aliphatic amines, selectively delivering the corresponding imines via an acceptorless dehydrogenative condensation strategy.
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