Generation of N-aminosulfonamides via a photo-induced fixation of sulfur dioxide into aryl/alkyl halides
Literature Information
Publication Date
2016-03-03
DOI
10.1039/C6QO00060F
Impact Factor
5.281
Authors
Yuewen Li, Danqing Zheng, Zhenhua Li
View Original
Abstract
A catalyst-free aminosulfonylation through insertion of sulfur dioxide with aryl/alkyl halides enabled by photoenergy is presented. Under ultraviolet irradiation, a three-component reaction of aryl/alkyl halides, sulfur dioxide, and hydrazines proceeds smoothly under mild conditions without any metals or photo-redox catalysts. The corresponding N-aminosulfonamides are afforded in good to excellent yields. A broad reaction scope is demonstrated with good functional group tolerance. Not only aryl bromide but also aryl chloride is suitable under the conditions. Additionally, alkyl halides are good substrates as well during the insertion of sulfur dioxide. A possible mechanism involving a radical process is proposed, supported by theoretical calculations.
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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
Recommended Compounds
![2-{3-[4-(3-Chlorophenyl)-1-piperazinyl]propyl}[1,2,4]triazolo[4,3-a]pyridin-3(2H)-one hydrochloride (1:1) structure](https://static.chemtradehub.com/structs/253/25332-39-2-496e.webp "2-{3-[4-(3-Chlorophenyl)-1-piperazinyl]propyl}[1,2,4]triazolo[4,3-a]pyridin-3(2H)-one hydrochloride (1:1) structure")
2-{3-[4-(3-Chlorophenyl)-1-piperazinyl]propyl}[1,2,4]triazolo[4,3-a]pyridin-3(2H)-one hydrochloride (1:1)
CAS Number:
25332-39-2
Molecular Formula:
C19H23Cl2N5O
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