Author's Organization：Pharmaceutical Institute, School of Medicine, Keio University Pharmaceutical Institute, School of Medicine, Keio University Pharmaceutical Institute, School of Medicine, Keio University
The reaction of 1, 3-dialkyl-6-amino-uracils with phosphorus oxybromide gave 1, 3-dialkyl-6-bromo-cytosines in good yields. The latter served as starting materials for several nucleophilic reactions.
