Journal
ORGANIC & BIOMOLECULAR CHEMISTRY
Volume 11, Issue 42, Pages 7350-7360Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3ob41332b
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- Department of Science and Technology (DST, New Delhi)
- Council of Scientific and Industrial Research (CSIR, New Delhi)
- DST
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Dual copper catalysis, involving two different reactions, click (alkyne-azide) and carbon oxygen bond formation (aryl iodide secondary alcohol) in a single step, is reported. Synthesis of novel benzodioxines (benzodioxanes), benzoxazines, benzoxathiines and benzodioxepines, which feature benzo-condensed six or seven membered rings containing two hetero-atoms attached to a 1,2,3-triazole, is described. As an extension, such compounds were also synthesised by ring opening of epoxide and cyclisation using Cu(I). All the key products have been characterized by single crystal X-ray crystallography.
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