Journal
EUROPEAN JOURNAL OF ORGANIC CHEMISTRY
Volume 2011, Issue 12, Pages 2309-2318Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/ejoc.201001590
Keywords
Nitrogen heterocycles; Ring expansion; C-H activation; Nucleophilic substitution
Categories
Funding
- Russian Academy of Sciences [09-I-3-2004, 09-P-3-2001, 09-T-3-1016]
- Russian Foundation for Basic Research [11-03-00545-a]
- State Contract [02.740.11.0260]
- State Program for Supporting of Leading Scientific Schools of Russian Federation [NSh-65261.2010.3]
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Expansion of the tetrazine ring has first been found to occur when [1,2,4]triazolo[4,3-b][1,2,4,5]tetrazines were allowed to react with CH-active compounds in acetonitrile in the presence of triethylamine to give the unexpected series of 8,9-dihydro-7H-[1,2,4]-triazolo[4,3-b][1,2,4,6] tetrazepine derivatives.
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