30384-93-1Relevant articles and documents
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Hand et al.
, p. 3377,3379 (1977)
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A formyl Heteraromatic hydrocarbons the synthetic method of the compound of pharmaceutical intermediates
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Paragraph 0031-0035, (2017/05/04)
The invention relates to a method for synthesizing a formyl heterocyclic aromatic drug intermediate compound shown as a formula (I) in the specification. The method comprises the following step: enabling a compound of a formula (II) in the specification to react with a compound of a formula (III) in the specification in an organic solvent in the presence of a catalyst, an oxidant and reaction aids, thereby obtaining the compound of the formula (I), wherein R1, R2, R3 and R4 are respectively and independently selected from H, C1-C6 alkyl, C1-C6 alkoxy, phenyl or nitro. According to the method, the catalyst, oxidant, reaction aids and reaction substrate are selected and combined, so that formylation at a specific site is realized, and the method has high yield and has wide application prospects and potentials in the field of synthetic methods of drug intermediates.
Cu-Catalyzed selective C3-formylation of imidazo[1,2-a]pyridine C-H bonds with DMSO using molecular oxygen
Cao, Hua,Lei, Sai,Li, Naiying,Chen, Longbin,Liu, Jingyun,Cai, Huiyin,Qiu, Shuxian,Tan, Jingwen
supporting information, p. 1823 - 1825 (2015/01/30)
Using the widely available DMSO as the formylation reagent under oxidative conditions, an efficient Cu-catalyzed C3-formylation reaction of imidazo[1,2-a]pyridine C-H bonds to directly generate structurally sophisticated 3-formyl imidazo[1,2-a]pyridine derivatives has been developed. The reaction proceeded to generate products in good yields, and used the environmentally friendly molecular oxygen as the oxidant.