Rousseaux, Sophie; Liegault, Benoit; Fagnou, Keith published the article 《Palladium(0)-catalyzed cyclopropane C-H bond functionalization: synthesis of quinoline and tetrahydroquinoline derivatives》. Keywords: palladium catalyzed cyclopropane ring opening carbon hydrogen bond functionalization; quinoline tetrahydroquinoline derivative palladium catalyzed.They researched the compound: Tricyclohexylphosphonium tetrafluoroborate( cas:58656-04-5 ).Application In Synthesis of Tricyclohexylphosphonium tetrafluoroborate. Aromatic heterocyclic compounds can be divided into two categories: single heterocyclic and fused heterocyclic. In addition, there is a lot of other information about this compound (cas:58656-04-5) here.
Quinoline and tetrahydroquinoline derivatives were prepared via a 1-pot protocol involving intramol. Pd(0)-catalyzed cyclopropane sp3 C-H bond functionalization and subsequent oxidation or reduction The reaction conditions demonstrate good tolerance for a wide range of functional groups. Evidence suggests that the reaction proceeds through C-H bond cleavage and C-C bond formation to generate a dihydroquinoline intermediate via in situ cyclopropane ring-opening.
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Reference:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem