A General, Multimetallic Cross-Ullmann Biheteroaryl Synthesis from Heteroaryl Halides and Heteroaryl Triflates was written by Kang, Kai;Loud, Nathan L.;DiBenedetto, Tarah A.;Weix, Daniel J.. And the article was included in Journal of the American Chemical Society in 2021.Synthetic Route of C9H10BrNO2 This article mentions the following:
A new, general approach to biheteroaryls: the Ni- and Pd-catalyzed multimetallic cross-Ullmann coupling of heteroaryl halides with triflates. An array of 5-membered, 6-membered and fused heteroaryl bromides and chlorides, as well as aryl triflates derived from heterocyclic phenols proved to be viable substrates in this reaction (62 examples, 63 ± 17% average yield). The generality of this approach to biheteroaryls were further demonstrated in 96-well plate format at 10μmol scale. An array of 96 possible products provided >90% hit rate under a single set of conditions. Further, low-yielding combinations was rapidly optimized with a single “Toolbox Plate” of ligands, additives and reductants. In the experiment, the researchers used many compounds, for example, 2-Bromo-6-(2-methyl-1,3-dioxolan-2-yl)pyridine (cas: 49669-14-9Synthetic Route of C9H10BrNO2).
2-Bromo-6-(2-methyl-1,3-dioxolan-2-yl)pyridine (cas: 49669-14-9) belongs to alcohols. Alkyl halides are often synthesized from alcohols, in effect substituting a halogen atom for the hydroxyl group. Tertiary alcohols cannot be oxidized at all without breaking carbon-carbon bonds, whereas primary alcohols can be oxidized to aldehydes or further oxidized to carboxylic acids.Synthetic Route of C9H10BrNO2
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