Selective and efficient synthesis of 3-indolyl-2-oxindoles under catalysis of LiClO4

Authors

• Kurosh Rad-Moghadam ¹
• Shaghayegh Gholizadeh ²

1. Chemistry Department, University of Guilan, P.O. Box 41335-19141, Rasht, Iran.
2. Chemistry Department, , Tonekabon Branch, Islamic Azad University Tonekabon, Iran.

Abstract

An efficient and convenient protocol for synthesis of 3-hydroxy-3-indolyl-2-oxindoles and 3,3-diindolyl-2-oxindoles is presented here. The syntheses were achieved selectively under catalysis of LiClO4 whereby the products were obtained purely.

Keywords

• Lithium perchlorate
• 3-hydroxy-3-indolyl-2-oxindole
• 3-diindolyl-2-oxindole
• Selective synthesis.