65889-61-4Relevant academic research and scientific papers
Novel synthesis of 5-amino-3-bromo-1-(tert-butyl)-1H-pyrazole-4- carbonitrile: A versatile intermediate for the preparation of 5-amino-3-aryl-1-(tert-butyl)-1H-pyrazole-4-carboxamides
Bobko, Mark A.,Kaura, Arun C.,Evans, Karen A.,Su, Dai-Shi
supporting information; experimental part, p. 3906 - 3908 (2012/10/08)
A simple, novel, and efficient route for the synthesis of 5-amino-3-aryl-1-(tert-butyl)-1H-pyrazole-4-carboxamides 1 has been devised. Preparation of pyrazole bromide 3 from potassium tricyanomethanide can be accomplished in only two steps in good yield a
SYNTHESIS OF NEW SUBSTITUTED PYRAZOLOPYRIMIDINES AND PYRAZOLO1,3,5-TRIAZINES
Ried, W.,Aboul-Fetouh, S.
, p. 7155 - 7162 (2007/10/02)
5-Substituted 3-amino-1H-pyrazole-4-carbonitriles 2a-d react with appropriate biselectrophilic reagents in the presence of (TEA) to give the substitution products pyrazolopyrimidines 4a-d, 6a-d and pyrazolo1,3,5-triazines 8a-d.Compounds 6a a
Substituted pyrazolopyrimidine compounds
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, (2008/06/13)
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.
