An improved procedure for the preparation of 8-substituted guanines
The preparation of 8-substituted guanines using a new phosphorus(III)-mediated cyclisation of 4-acylamino-5-nitrosopyrimidines as the key step is described.
Xu, Ming,De Giacomo, Fabio,Paterson, Duncan E.,George, Tesmol G.,Vasella, Andrea
p. 1452 - 1453
(2007/10/03)
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