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.Osumi, Yuki; Liu, Chengwei; Szostak, Michal researched the compound: Tricyclohexylphosphonium tetrafluoroborate( cas:58656-04-5 ).SDS of cas: 58656-04-5.They published the article 《N-Acylsuccinimides: twist-controlled, acyl-transfer reagents in Suzuki-Miyaura cross-coupling by N-C amide bond activation》 about this compound( cas:58656-04-5 ) in Organic & Biomolecular Chemistry. Keywords: diaryl ketone preparation; acylsuccinimide boronic acid Suzuki Miyaura cross coupling palladium catalyst. We’ll tell you more about this compound (cas:58656-04-5).
The palladium-catalyzed Suzuki-Miyaura cross-coupling of N-acylsuccinimides as versatile acyl-transfer reagents via selective amide N-C bond cleavage is reported. The method is user-friendly since it employs com.-available, air-stable reagents and catalysts. The cross-coupling is enabled by half-twist of the amide bond in N-acylsuccinimides. These highly effective, crystalline acyl-transfer reagents present major advantages over perpendicularly twisted N-acylglutarimides, including low price of the succinimide activating ring, selective metal insertion under redox neutral conditions and high stability of the amide bond towards reaction conditions. Mechanistic studies indicate that oxidative addition is the rate limiting step in this widely applicable protocol.
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Reference:
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem