Uridine 5-amino-5-deoxy-5 -methyl

Syntheses involving standard condensation procedures for heterocyclic bases with amino-sugar derivatives have included the preparation of 2 -azido-, 3 -azido-2 ,5 -diazido-, and 3, 5-diazido-derivatives of arabino-nnAinc, 3 -amino-3-deoxy-adenosine, -uridine, and -cytidine 5-phosphates, 2, 3-bis(2-chloroethyl)-aminophosphoryl-3-amino-3-deoxyadenosine (which has anti-tumour activity), 3-A -methyl-A -nitrosoureido-3-deoxy-adenosine and the corresponding 5-substituted isomer, and 2 -azido-2-deoxy- and 2-amino-2-deoxy-D-arabinofuranosyl-... 

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