65889-96-5

Downstream Products

• 65919-47-3 3-amino-4-hydroxy-6-methyl-2-phenylpyrazolo<3,4-d>pyrimidine 
• 65889-97-6 3-amino-2-phenyl-6-trifluoromethyl-2,5-dihydro-pyrazolo[3,4-d]pyrimidin-4-one 

Relevant academic research and scientific papers

Substituted pyrazolopyrimidine compounds

There are provided, as novel herbicides, the substituted pyrazolopyrimidines of the formula: STR1 where A represents -CO-NR6 - or -C(OR7)=N-, and R1, R2, R3, R4, R6 and R7 are substituent groups as defined in the specification, and the salts and acid addition salts thereof. Processes for their preparation are provided, as also are herbicidal compositions containing them and methods of combating weeds in which they are used.