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Note | Regular issue | Vol 65, No. 6, 2005, pp.1415-1423
Published online, 24th March, 2005
DOI: 10.3987/COM-05-10334
Multistep Synthesis of Pyrido[3’,2’:4,5]pyrrolo[3,2-d][1,3]oxazin-4(5H)-one from 2-Aminonicotinonitriles

Sribhashyam R. Kanth, Dravidum Maitraie, Ghojala V. Reddy, Banda Narsaiah,* and Pamulaparty S. Rao

*Fluoroorganic Division, Indian Institute of Chemical Technology, Hyderabad 500 007, India


Pyrido[3’,2’:4,5]pyrrolo[3,2-d][1,3]oxazin-4(5H)-ones (7) were synthesized starting from 2-aminonicotinonitriles (1) through multistep synthesis involving Sandmeyer reaction, amination, Thorpe-Ziegler reaction, hydrolysis and cyclisation.