Synthetic Route of C3F9FeO9S3. 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. Compound: Iron(III) trifluoromethanesulfonate, is researched, Molecular C3F9FeO9S3, CAS is 63295-48-7, about One-pot solvent-free synthesis of quinolines by C-H activation/C-C Bond formation catalyzed by recyclable iron(III) triflate.
A novel application of highly stable Fe(OTf)3 as an efficient catalyst for a carbon-carbon bond formation by the activation of a terminal alkyne carbon-hydrogen (C-H) bond under solvent-free reaction conditions is described. Notably, this protocol of green synthesis (green chem.), which produced quinolines by a reaction of amines, aldehydes and terminal aryl alkynes, shows attractive characteristics including concise one-pot reaction conditions, high atom economy, very limited energy consumption and the sequential catalytic process requires only a catalytic (5 mol%) amount of Fe(OTf)3 and short reaction time. Meanwhile, the catalyst was easily recovered from the reaction system and reused smoothly with only a little loss of activity. The synthesis of the target compounds was achieved using (aryl)alkynes, aryl aldehydes and aryl amines as starting materials. The title compounds thus formed included 2,4-diphenylquinoline, 2-(2,4-dichlorophenyl)-6-methyl-4-phenylquinoline (I), the crystal structure of which was determined, and 6-methyl-4-phenyl-2-(2-thienyl)quinoline, etc.
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