77317-55-6Relevant articles and documents
NCBSI/KI: A Reagent System for Iodination of Aromatics through in Situ Generation of I-Cl
Palav, Amey,Misal, Balu,Chaturbhuj, Ganesh
, p. 12467 - 12474 (2021/08/24)
In situ iodine monochloride (I-Cl) generation followed by iodination of aromatics using NCBSI/KI system has been developed. The NCBSI reagent requires no activation due to longer bond length, lower bond dissociation energy, and higher absolute charge density on nitrogen. The system is adequate for mono- and diiodination of a wide range of moderate to highly activated arenes with good yield and purity. Moreover, the precursor N-(benzenesulfonyl)benzenesulfonamide can be recovered and transformed to NCBSI, making the protocol eco-friendly and cost-effective.
METHOD FOR PRODUCING AROMATIC HALOGEN DERIVATIVE
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Paragraph 0133-0138, (2020/07/28)
PROBLEM TO BE SOLVED: To provide a highly efficient and economically advantageous method for producing a halogen compound. SOLUTION: The method produces a halogen compound represented by formula (2) (X is a halogen atom, and b is an integer of 1-5) by reacting an aniline derivative represented by formula (1) (R1 is an ester group, a carbonyl group, a nitrile group, a nitro group, an optionally substituted alkyl group or an optionally substituted aralkyl group, and a is an integer of 0-4) with a halogenating agent in the presence of a copper catalyst and a persulfate. SELECTED DRAWING: None COPYRIGHT: (C)2020,JPOandINPIT
Synthesis of functionalized 1,2-diphenylacetylene derivatives
Lozanova,Stepanov,Mel′nik,Zlokazov,Veselovsky
, p. 64 - 67 (2019/04/25)
A series of new functionalized 1,2-diphenylacetylene derivatives, including those containing l-prolinamide substituents at the aromatic nuclei, was synthesized using the Sonogashira coupling at the key step.