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.Palazzi, Antonio; Stagni, Stefano; Selva, Simona; Monari, Magda researched the compound: 5-(4-Pyridyl)-1H-tetrazole( cas:14389-12-9 ).Synthetic Route of C6H5N5.They published the article 《Synthesis and reactivity of a new Fe(II) 5-(4-pyridyl)-tetrazolate complex and X-ray structure of its doubly protonated derivative. [Erratum to document cited in CA139:85466]》 about this compound( cas:14389-12-9 ) in Journal of Organometallic Chemistry. Keywords: erratum iron cyclopentadiene tetrazolylpyridine complex methylation protonation ring conjugation; crystal structure iron cyclopentadiene tetrazolylpyridine carbonyl complex erratum; mol structure iron cyclopentadiene tetrazolylpyridine carbonyl complex erratum. We’ll tell you more about this compound (cas:14389-12-9).
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Reference:
Chiral nitrogen ligands in late transition metal-catalysed asymmetric synthesis—I. Addressing the problem of ligand lability in rhodium-catalysed hydrosilations,
Nitrogen-Containing Ligands for Asymmetric Homogeneous and Heterogeneous Catalysis