An Efficient and Practical Procedure for the Synthesis of 4-Substituted Coumarins
Surya K. De*, Richard A. Gibbs Department of Medicinal Chemistry and Molecular Pharmacology, School of Pharmacy,
Purdue Cancer Center, Purdue University, West Lafayette, IN 47907, USA Fax: +1(765)4941414; e-Mail: skd125@pharmacy.purdue.edu;