http://orcid.org/0000-0001-5912-660X
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Abstract
Methyl-2-(3-oxo-3-aryl) benzoates derived from acid catalyzed air oxidative fragmentation of 2-aryl-1-tetralones were efficiently undergone intramolecular-Claisen condensation in the presence of potassium tertiary butoxide. The resulting 2-benzoyl-1-indanones formed in two-step ring contractions were further subjected to indium triflate mediated retro-Claisen condensation to get 1-indanones.
Graphical Abstract
Acknowledgments
The authors thank sophisticated analytical instrumentation facility (SAIF), CDRI, Lucknow, India for NMR and HRMS analysis.
Additional information
Funding
Financial supports from University Grant Commission (UGC), India [No. F.4-5(108-FRP)/2014, BSR] and Department of Science and Technology (DST), India [YSS/2015/000356] are gratefully acknowledged.