2-(2-Aminoethyl)-1H-isoindole-1,3(2H)-dione hydrochloride (1:1)
CAS Number:
30250-67-0
Molecular Formula:
C10H11ClN2O2
Tetra-substituted furans by a gold-catalysed tandem C(sp3)–H alkynylation/oxy-alkynylation reaction
Literature Information
Publication Date
2021-10-05
DOI
10.1039/D1QO01401C
Impact Factor
5.281
Authors
Chunyu Han, Xianhai Tian, Lina Song, Yaowen Liu
View Original
Abstract
A gold-catalysed cascade C(sp3)–H alkynylation/oxy-alkynylation of acceptor-substituted carbonyl compounds with hypervalent iodine(III) reagents for the synthesis of tetra-substituted furans is described. This reaction involves two Au(I)/Au(III) catalytic cycles and proceeds through a C(sp3)–H alkynylation of a substituted ketone and a subsequent oxy-alkynylation of the generated 2-alkynyl ketone. This mild and simple method can tolerate a wide range of functionalities, offering distinct advantages over previous methods using PIDA as the external oxidant. Furthermore, a gram-scale synthesis is feasible and the synthesized furan product was readily transformed into other related compounds.
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Source Journal
Organic Chemistry Frontiers
CiteScore:
7.8
Self-citation Rate:
8.7%
Articles per Year:
724
Organic Chemistry Frontiers publishes high-quality research from across organic chemistry. Emphases are placed on studies that make significant contributions to the field of organic chemistry by reporting either new or significantly improved protocols or methodologies. Topics include, but are not limited to the following: Organic synthesis Development of synthetic methodologies Catalysis Natural products Functional organic materials Supramolecular and macromolecular chemistry Physical and computational organic chemistry
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