3-Amino-5-pyrazolone
3-Amino-5-pyrazolone structure
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Common Name | 3-Amino-5-pyrazolone | ||
|---|---|---|---|---|
| CAS Number | 6126-22-3 | Molecular Weight | 99.091 | |
| Density | 1.6±0.1 g/cm3 | Boiling Point | 479.5±25.0 °C at 760 mmHg | |
| Molecular Formula | C3H5N3O | Melting Point | 214 °C (dec.)(lit.) | |
| MSDS | Chinese USA | Flash Point | 243.8±23.2 °C | |
| Symbol |
GHS07 |
Signal Word | Warning | |
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Synthesis of 2,6-difluoro-N-(3-[11C]methoxy-1H-pyrazolo[3,4-b]pyridine-5-yl)-3-(propylsulfonamidio)benzamide as a new potential PET agent for imaging of B-Raf(V600E) in cancers.
Bioorg. Med. Chem. Lett. 23(4) , 1017-21, (2013) The authentic standard 2,6-difluoro-N-(3-methoxy-1H-pyrazolo[3,4-b]pyridine-5-yl)-3-(propylsulfonamidio)benzamide was synthesized from 2,6-difluorobenzoic acid and 3-amino-5-hydroxypyrazole in 9 steps with 1% overall chemical yield. Direct desmethylation of t... |
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One-step synthesis of diarylpyrazolo[3,4-b]pyridines from isoflavones.
J. Comb. Chem. 12(4) , 600-3, (2010) A new concise, facile, and efficient method for the synthesis of 3-hydroxy-5,6-diphenylpyrazolo[3,4-b]pyridine derivatives has been described. The cyclocondensation of isoflavones with 3-amino-5-hydroxypyrazole in the presence of sodium methoxide gave fused h... |
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Molecular structure and vibrational spectra of 3-amino-5-hydroxypyrazole by density functional method.
Spectrochim. Acta. A. Mol. Biomol. Spectrosc. 71(5) , 1776-82, (2009) In this work, we report a combined experimental and theoretical study on molecular and vibrational structure of 3-amino-5-hydroxypyrazole (3A5HP). The Fourier transform infrared and Fourier transform Raman spectra of 3A5HP were recorded in the solid phase. Th... |