Copper(i)-catalyzed sulfonylation of (2-alkynylaryl)boronic acids with DABSO
Literature Information
Publication Date
2016-03-21
DOI
10.1039/C6QO00070C
Impact Factor
5.281
Authors
Runyu Mao, Danqing Zheng, Hongguang Xia
View Original
Abstract
The scaffold of benzo[b]thiophene 1,1-dioxides can be easily constructed through a copper(I)-catalyzed insertion of sulfur dioxide into (2-alkynylaryl)boronic acids. The reaction proceeds in the presence of 10 mol% copper(I) acetate in DMF at 100 °C with high efficiency, leading to benzo[b]thiophene 1,1-dioxides in good to excellent yields. The sulfonyl group can be easily introduced via insertion of sulfur dioxide and the subsequent intramolecular 5-endo cyclization affords the core of benzo[b]thiophene 1,1-dioxide.
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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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CAS Number:
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