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Communication | Regular issue | Vol 31, No. 4, 1990, pp.577-579
Published online, 1st January, 1970
DOI: 10.3987/COM-89-5307
Efficient Enzymatic Cyclization of 2-(Carbamoyloxy)- and 2-(Sulfamoyloxy)benzonitriles by Ultrasonically Stimulated Baker’s Yeast

Ahmed Kamal,* Maddamsetty V. Rao, and Adari B. Rao

*Organic Chemistry Division III, Indian Institute of Chemical Technology, Hyderabad 500 007, India


An approach to the synthesis of 4-imino substituted 1,3-benzoxazin-2-ones, 1,2,3-benzoxathiazin-2-ones and 2-quinazolinones based on the enzymatic cyclization of the labile-functionalized compounds with ultrasonically stimulated baker’s yeast.