Pyrazolidine
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| Names | |||
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| Preferred IUPAC name
Pyrazolidine[1] | |||
| Other names
1,2-Diazolidine
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| Identifiers | |||
3D model (
JSmol ) |
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PubChem CID
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| UNII | |||
CompTox Dashboard (EPA)
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SMILES
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| Properties | |||
| C3H8N2 | |||
| Molar mass | 72.10902 | ||
| Density | 1.00 g/cm3 (20 °C)[2] | ||
| Melting point | 10 to 12[2] °C (50 to 54 °F; 283 to 285 K) | ||
| Boiling point | 138[2] °C (280 °F; 411 K) | ||
Refractive index (nD)
|
1.477[2] | ||
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa).
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Pyrazolidine is a
hygroscopic.[2]
Preparation
Pyrazolidine can be produced by
- Cl−(CH2)3−Cl + N2H4 → C3H8N2 + 2 HCl
- Br−(CH2)3−Br + N2H4 → C3H8N2 + 2 HBr
See also
References
- ISBN 978-0-85404-182-4.
- ^ ISSN 0002-7863.
| pyrazolones / pyrazolidines | |
|---|---|
| salicylates | |
| acetic acid derivatives and related substances | |
| oxicams | |
profens ) |
|
| n-arylanthranilic acids ( fenamates ) | |
COX-2 inhibitors (coxibs) | |
| other | |
| NSAID combinations | |
Key: underline indicates initially developed first-in-class compound of specific group; #WHO-Essential Medicines; †withdrawn drugs; ‡veterinary use. | |
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