C-S Bond-Forming Reactions of Barbiturylbromide with Isothiocarbamides in Aqueous Media

Abstract

The C-S cross coupling of pharmaceutically active barbituric acid derivatives has been achieved by the interaction of selective monobromobarbituric acid with thioureas in an aqueous medium. This method is applicable for simple thiourea as well as monosubstituted thioureas, and corresponding products are obtained in good yield.

[Supplementary materials are available for this article. Go to the publisher's online edition of Synthetic Communications® for the following free supplemental resource(s): Full experimental and spectral details.]

GRAPHICAL ABSTRACT

Keywords:

• Aryl/H thiocarbamides
• C-S cross coupling of barbituryl isothiocarbamides
• monobromobarbituric acid

ACKNOWLEDGMENT

The authors are thankful to Shri Shivaji Science College, Akola, Indian Institute of Science, Bangalore, and Vishnu Chemical, Hyderabad, for recording the IR, NMR, and mass spectra. Thanks are also due to Dr. S. G. Charalwar, Principal, Shri M. M. College of Science and Dr. L. J. Paliwal, Head, Department of Chemistry, RTM Nagpur University, Nagpur, for encouragement and providing necessary facilities.