5404-86-4
6-Hydrazinopurine
CAS: 5404-86-4
Molecular Formula: C5H6N6
5404-86-4 - Names and Identifiers
| Name | 6-Hydrazinopurine |
| Synonyms | 6-HYDRAZINOPURINE 6-hydrazino-purin 6-Hydrazinopurine 6-HYDRAZINO-9H-PURINE 6-Hydrazino-1H-purine 7H-purin-6-ylhydrazine 6-hydrazinyl-7H-purine 6-hydrazinyl-9H-Purine 6-hydrazinyl-5H-purine 6-Hydrazino-7(9)H-purine 1,7-dihydro-6h-purin-6-onhydrazone 1,7-dihydro-6h-purin-6-onehydrazone 6H-Purin-6-one, 1,7-dihydro-, hydrazone (9CI) |
| CAS | 5404-86-4 |
| InChI | InChI=1/C5H6N6/c6-11-5-3-4(8-1-7-3)9-2-10-5/h1-3H,6H2,(H,7,8,9,10,11) |
5404-86-4 - Physico-chemical Properties
| Molecular Formula | C5H6N6 |
| Molar Mass | 150.14 |
| Density | 1.96±0.1 g/cm3(Predicted) |
| Melting Point | 230 °C |
| Boling Point | 566.0±42.0 °C(Predicted) |
| Flash Point | 142.1°C |
| Vapor Presure | 0.000564mmHg at 25°C |
| pKa | 10.06±0.20(Predicted) |
| Storage Condition | Keep in dark place,Inert atmosphere,Store in freezer, under -20°C |
| Refractive Index | 1.982 |
5404-86-4 - Reference Information
| NIST chemical information | Information provided by: webbook.nist.gov (external link) |
| Use | 6-hydrazinyl purine is an organic intermediate, also called 6-hydrazin-9H-purine, which can be chlorinated by hypoxanthine After being substituted with hydrazine nucleophilic, it can be used as an intermediate in chemical medicine. |
| preparation | (1) preparation of 6-chloro-9H-purine: hypoxanthine (25.0g,183.7mmol) is dissolved in 15mL of dimethylaniline in ice bath, then 160mL of phosphorus oxychloride is added dropwise, reflux is completed for 20 minutes, distillation is reduced pressure, the residue is poured into ice water, and ethyl acetate is extracted twice, the pH of the aqueous phase was adjusted to 9 with ammonia water, and then extracted twice with ethyl acetate. The aqueous phase was concentrated under reduced pressure and recrystallized to obtain 26.0g of light yellow solid with 91.6% yield. (2) preparation of 6-hydrazin-9H-purine: heating 6-chlorine-9H-purine (2.0g,12.9mmol), 20mL of ethanol and 1.2mL of 85% hydrazine hydrate to 90°C, reacting for 5 hours, precipitating yellow solid, cooling, suction filtration, washing three times with ethanol and ice water respectively, drying to obtain 1.71g of product, yield: 88.4%. |
Last Update：2024-04-09 02:00:09
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