It is "thiazolidene-2-imine" and not imidazole-2-thione as the reaction product of 1-benzoyl-3-phenylthiourea with Br(2)/enolizable ketone.
[Structure: see text] The products obtained by the reaction of benzoyl-3-phenylthioureas with bromine and enolizable ketones in the presence of triethylamine are not imidazole-2-thione derivatives as reported (Org. Lett. 2003, 5, 1657-1659) rather they are thiazolidene-2-imine derivatives.
Singh
C B
CB
Department of Chemistry, Indian Institute of Technology Guwahati, Guwahati 781 039, Assam, India.
Murru
Siva
S
Kavala
Veerababurao
V
Patel
Bhisma K
BK