Clean Synthesis of 14-Alkyl and 14-Aryl-14-H-dibenzo[a,j]xanthenes

Tong-Shou      Jin; Li-Bin      Liu; Ying      Yin; Ying      Zhao; Tong-Shuang      Li

doi:10.2174/157017806778559554

Abstract

Two clean and efficient methods for the synthesis of 14-alkyl and 14-aryl-14-H-dibenzo[a,j] xanthenes are described: (1) in aqueous media, using p-dodecylbenezenesulfonic acid (DBSA) as the catalyst (20 mol%), under heat conditions. (2) Under solvent-free condition, using p-toluene sulfonic acid (p-TSA) as catalyst and in microwave irradiation.

Keywords: 14-Alkyl and 14-aryl-14-H-dibenzo[a,j]xanthenes, β-naphthol, aldehyde, aqueous media, microwave irradiation, clean synthesis

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Letters in Organic Chemistry

Title: Clean Synthesis of 14-Alkyl and 14-Aryl-14-H-dibenzo[a,j]xanthenes

Volume: 3 Issue: 8

Author(s): Tong-Shou Jin, Li-Bin Liu, Ying Yin, Ying Zhao and Tong-Shuang Li

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Keywords: 14-Alkyl and 14-aryl-14-H-dibenzo[a,j]xanthenes, β-naphthol, aldehyde, aqueous media, microwave irradiation, clean synthesis

Abstract: Two clean and efficient methods for the synthesis of 14-alkyl and 14-aryl-14-H-dibenzo[a,j] xanthenes are described: (1) in aqueous media, using p-dodecylbenezenesulfonic acid (DBSA) as the catalyst (20 mol%), under heat conditions. (2) Under solvent-free condition, using p-toluene sulfonic acid (p-TSA) as catalyst and in microwave irradiation.

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Jin Tong-Shou, Liu Li-Bin, Yin Ying, Zhao Ying and Li Tong-Shuang, Clean Synthesis of 14-Alkyl and 14-Aryl-14-H-dibenzo[a,j]xanthenes, Letters in Organic Chemistry 2006; 3 (8) . https://dx.doi.org/10.2174/157017806778559554