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Paper | Regular issue | Vol 29, No. 8, 1989, pp.1573-1576
Published online, 1st January, 1970
DOI: 10.3987/COM-89-5005
Phase-transfer Catalysed Alkylation of 3-Hydroxycoumarin

Krishna C. Majumdar,* Abu T. Khan, and Shital K. Chattopadhyay

*Department of Chemistry, University of Kalyani, Kalyani 741 235, West Bengal, India

Abstract

Phase-transfer catalysed alkylarion of 3-hydroxycoumarin with active alkyl halides gave O-alkylated products (45-60%), C-alkylated products (20-40%) and in one case C,O-dialkylated product (20%).