Literature DB >> 16223682

An efficient and practical synthesis of bis(indolyl)methanes catalyzed by aminosulfonic acid under ultrasound.

Ji-Tai Li1, Hong-Guang Dai, Wen-Zhi Xu, Tong-Shuang Li.   

Abstract

Synthesis of bis(indolyl)methanes via electrophilic substitution reactions of indoles with aromatic aldehydes and ketones catalyzed by aminosulfonic acid was carried out in 23-96% yield at 30-38 degrees C in EtOH aqueous solution under ultrasound irradiation.

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Year:  2006        PMID： 16223682     DOI： 10.1016/j.ultsonch.2004.12.004

Source DB:  PubMed          Journal:  Ultrason Sonochem        ISSN： 1350-4177            Impact factor:   7.491


  2 in total

1.  A practical and efficient synthesis of bis(indolyl)methanes in water, and synthesis of di-, tri-, and tetra(bis-indolyl)methanes under thermal conditions catalyzed by oxalic acid dihydrate.

Authors:  Ramin Ghorbani-Vaghei; Hojat Veisi; Hassan Keypour; Ahmad Ali Dehghani-Firouzabadi
Journal:  Mol Divers       Date:  2009-05-16       Impact factor: 2.943

2.  Synthesis of Bis(indolyl)methanes Using Hyper-Cross-Linked Polyaromatic Spheres Decorated with Bromomethyl Groups as Efficient and Recyclable Catalysts.

Authors:  Reddi Mohan Naidu Kalla; Sung Chul Hong; Il Kim
Journal:  ACS Omega       Date:  2018-02-26
  2 in total

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