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A computational perspective of vibrational and electronic analysis of potential photosensitizer 2-chlorothioxanthone. J Mol Struct 2018. [DOI: 10.1016/j.molstruc.2017.12.015] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Gajaganti S, Bajpai S, Srivastava V, Singh S. An efficient, room temperature, oxygen radical anion (O2•−) mediated, one-pot, and multicomponent synthesis of spirooxindoles. CAN J CHEM 2017. [DOI: 10.1139/cjc-2017-0432] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Abstract
The present report highlights an efficient use of oxygen radical anion to promote a room temperature multi-component synthesis of spirooxindoles (4a–4l) under mild reaction conditions. The potassium superoxide (KO2) and tetraethylammonium bromide (TEAB) combination generate the oxygen radical anion in situ to promote this transformation. This method offers a sustainable and direct access to the biologically important spirooxindole derivatives in good to excellent yields.
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Affiliation(s)
- Somaiah Gajaganti
- Department of Chemistry, Indian Institute of Technology — BHU, Varanasi 221 005, Uttar Pradesh, India
- Department of Chemistry, Indian Institute of Technology — BHU, Varanasi 221 005, Uttar Pradesh, India
| | - Shivam Bajpai
- Department of Chemistry, Indian Institute of Technology — BHU, Varanasi 221 005, Uttar Pradesh, India
- Department of Chemistry, Indian Institute of Technology — BHU, Varanasi 221 005, Uttar Pradesh, India
| | - Vandana Srivastava
- Department of Chemistry, Indian Institute of Technology — BHU, Varanasi 221 005, Uttar Pradesh, India
- Department of Chemistry, Indian Institute of Technology — BHU, Varanasi 221 005, Uttar Pradesh, India
| | - Sundaram Singh
- Department of Chemistry, Indian Institute of Technology — BHU, Varanasi 221 005, Uttar Pradesh, India
- Department of Chemistry, Indian Institute of Technology — BHU, Varanasi 221 005, Uttar Pradesh, India
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