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2,3-dimethyl-6-nitro-2H-indazole

2,3-dimethyl-6-nitro-2H-indazole ??? ???
?? ??:
444731-73-1
???:
2,3-dimethyl-6-nitro-2H-indazole
???(??):
Pazopanil impurity 11;Pazopanib Impurity 19;3-Methly-6-nitroindazole;2,3-dimethyl-6-nitrobazole;2,3-Dimethyl-6-nitro-1H-i...;2,3-dimethyl-6-nitro-indazole;3-diMethyl-6-nitro-2H-indazole;2,3-Dimethyl-6-Nitro-2H-Indazol;2,3-dimethyl-6-nitro-1H-indazole;2,3-DIMETHYL-6-NITRO-2H-INDAZOLE
CBNumber:
CB82455022
???:
C9H9N3O2
??? ??:
191.19
MOL ??:
444731-73-1.mol

2,3-dimethyl-6-nitro-2H-indazole ??

???
183-186°C
?? ?
377.0±22.0 °C(Predicted)
??
1.36±0.1 g/cm3(Predicted)
?? ??
Sealed in dry,Room Temperature
???
DMSO(?? ???), ???(?? ???)
?? ?? (pKa)
-0.55±0.30(Predicted)
??? ??
??
??? ??
??? ??
??
???
InChI
InChI=1S/C9H9N3O2/c1-6-8-4-3-7(12(13)14)5-9(8)10-11(6)2/h3-5H,1-2H3
InChIKey
JHGRUPGVUMAQQU-UHFFFAOYSA-N
SMILES
N1=C2C(C=CC([N+]([O-])=O)=C2)=C(C)N1C

??

2,3-dimethyl-6-nitro-2H-indazole C??? ??, ??, ??

??

2,3-Dimethyl-6-nitro-2H-indazole is an impurity in the synthesis of Pazopanib (P210925) hydrochloride, an oral angiogenesis inhibitor targeting VEGFR and PDGFR.

structure and hydrogen bonding

In the mol-ecule of 2,3-dimethyl-6-nitro-2H-indazole, C9H9N3O2, the indazole ring system is almost planar [maximum deviation = 0.019 (3) Å for the C atom bearing the nitro group]. In the crystal structure, inter-molecular C—H...O inter-actions link the mol-ecules into centrosymmetric dimers, forming R 2 2(18) ring motifs. Aromatic π–π contacts between indazole rings [centroid–centroid distances = 3.632 (1) and 3.705 (1)?] may further stabilize the structure[1].
2,3-DIMETHYL-6-NITRO-2H-INDAZOLE

2,3-dimethyl-6-nitro-2H-indazole ?? ?? ? ???

???

3-??-6-???-2H-??? 1H-Indazole, 3-methyl-6-nitro-, sulfate (1:1) 3-??-6-?????? ??? ?? ??????? Trimethyloxonium Tetrafluoroborate ?? ??? ?? ??? ????? ???????? N,N-?????????

?? ??

2,3-dimethyl-2H-indazol-6-amine hydrochloride

2,3-dimethyl-6-nitro-2H-indazole ?? ??

???( 207)?? ??
??? ?? ??? ?? ?? ? ??
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