An Organocatalyzed Expeditious Synthetic Route to Tetrahydrobenzo[a]xanthen-11-ones via Grinding Technique

Pravin      V. Shinde; Bapurao      B. Shingate; Murlidhar      S. Shingare

doi:10.2174/157017811797249308

Abstract

In the present study, successful implementation of grinding technique and camphor sulphonic acid (CSA) as a catalyst, has been demonstrated for the rapid synthesis of 12-aryl-9,9-dimethyl-8,9,10,12-tetrahydrobenzo[a]xanthen-11- ones at ambient temperatures, avoiding excessive/wasteful heating.

Keywords: Camphor sulphonic acid (CSA), clean synthesis, green chemistry, grinding technique, solvent-free synthesis, xanthen-11-one derivatives, dodecatungustophosphoric acid, strontium triflate, iodine, ammonium fluoride

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Letters in Organic Chemistry

Title: An Organocatalyzed Expeditious Synthetic Route to Tetrahydrobenzo[a]xanthen-11-ones via Grinding Technique

Volume: 8 Issue: 8

Author(s): Pravin V. Shinde, Bapurao B. Shingate and Murlidhar S. Shingare

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Abstract: In the present study, successful implementation of grinding technique and camphor sulphonic acid (CSA) as a catalyst, has been demonstrated for the rapid synthesis of 12-aryl-9,9-dimethyl-8,9,10,12-tetrahydrobenzo[a]xanthen-11- ones at ambient temperatures, avoiding excessive/wasteful heating.

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V. Shinde Pravin, B. Shingate Bapurao and S. Shingare Murlidhar, An Organocatalyzed Expeditious Synthetic Route to Tetrahydrobenzo[a]xanthen-11-ones via Grinding Technique, Letters in Organic Chemistry 2011; 8 (8) . https://dx.doi.org/10.2174/157017811797249308