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Communication | Regular issue | Vol 22, No. 11, 1984, pp.2439-2441
Published online, 1st January, 1970
DOI: 10.3987/R-1984-11-2439
The Novel Ring Opening of an Oxazolo[5,4-d]pyrimidine and Subsequent Rearrangement to Form an Imidazo[4,5-d]pyrimidine

Ji-Wang Chern, Dean S. Wise, and Leroy B. Townsend*

*Department of Medical Chemistry, College of Pharmacy, University of Michigan , 930 North University, Ann Arbor, MI 48109-1055, U.S.A.


A novel rearrangement from methyl 6-amino-4-benzylaminooxazolo-[5,4-d]pyrimidine-2-carbmate to methyl 9-benzylguanine-8-carbamate (3) is described.