Copper-catalyzed ring expansion of 2-aminobenzothiazoles with alkynyl carboxylic acids to 1,4-benzothiazines
Author:
Affiliation:
1. College of Chemistry and Materials Engineering
2. Wenzhou University
3. Wenzhou 325035
4. China
5. State Key Laboratory of Chemo/Biosensing and Chemometrics
6. College of Chemistry and Chemical Engineering
7. Hunan University
8. Changsha 410082
Abstract
A novel copper-catalyzed ring expansion of 2-aminobenzothiazoles to 1,4-benzothiazines is described.
Publisher
Royal Society of Chemistry (RSC)
Subject
Organic Chemistry,Physical and Theoretical Chemistry,Biochemistry
Link
http://pubs.rsc.org/en/content/articlepdf/2015/OB/C4OB02467B
Reference46 articles.
1. Uncovering the Structure of Human Red Hair Pheomelanin: Benzothiazolylthiazinodihydroisoquinolines As Key Building Blocks
2. Red Hair Benzothiazines and Benzothiazoles: Mutation-Inspired Chemistry in the Quest for Functionality
3. 1,4-Benzothiazine ATP-Sensitive Potassium Channel Openers: Modifications at the C-2 and C-6 Positions
4. From Phenothiazine to 3-Phenyl-1,4-benzothiazine Derivatives as Inhibitors of the Staphylococcus aureus NorA Multidrug Efflux Pump
5. Synthesis, characterization and pharmacological activity of 4-{[1-substituted aminomethyl-4-arylideneamino-5-sulfanyl-4,5-dihydro-1H-1,2,4-triazol-3-yl]methyl}-2H-1,4-benzothiazin-3(4H)-ones
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