Oct-Nov 1992 Electrophilic Substitution of Diazonium Salts in 2-Amino-4-(alkyl or aryl)oxazoles George Crank* and Belew Mekonnen Department of Organic Chemistry, University of New South Wales, PO Box 1, Kensington, NSW 2033, Australia Received March 25, 1992 Aryl diazonium fluoborates react readily with 2-amino-4-alkyloxazoles and 2-amino-4-aryloxazoles under mild conditions. The products are the corresponding 5-arylazo derivatives formed, in 44-98% ...
[Canning, Peter S. J.; McCrudden, Katharine; Maskill, Howard; Sexton, Brian Journal of the Chemical Society. Perkin Transactions 2, 1999 , # 12 p. 2735 - 2740]