Gh. Elgemeie et al., The design and synthesis of structurally related mercaptopurine analogues:Reaction of dimethyl N-cyanodithioiminocarbonate with 5-aminopyrazoles, SYN COMMUN, 31(22), 2001, pp. 3453-3458
A novel synthesis of 4-methylthiopyrazolo[1,5-a]-1,3,5-triazines via reacti
on of dimethyl N-cyanodithioiminocarbonate with 5-aminopyrazoles is reporte
d and the synthetic potential of the method is demonstrated.