反式-3-氯-2-丙烯基羟胺
(3-trans-Chloroallyl)oxyamine
CAS: 87851-77-2
Molecular Formula: C3H6ClNO
反式-3-氯-2-丙烯基羟胺 - Names and Identifiers
反式-3-氯-2-丙烯基羟胺 - Physico-chemical Properties
| Molecular Formula | C3H6ClNO |
| Molar Mass | 107.54 |
| Density | 1.155 |
| Boling Point | 209 ºC |
| Flash Point | 80 ºC |
| Solubility | Chloroform (Slightly), Ethyl Acetate (Slightly) |
| Vapor Presure | 0.798mmHg at 25°C |
| Appearance | Oil |
| Color | Clear Colourless |
| pKa | 3.80±0.70(Predicted) |
| Storage Condition | Inert atmosphere,Store in freezer, under -20°C |
| Refractive Index | 1.454 |
反式-3-氯-2-丙烯基羟胺 - Reference Information
Open Data Verified Data
| Overview | trans-3-chloro-2-propenyl hydroxylamine is an amine-based organic compound that can be used as a pharmaceutical synthesis intermediate. |
| preparation | 3-bromo-2-chloropropene (1.4mL,13mmol,1.1 EQ) and 1, 8-diazabicyclo [5.4.0] undec-7-ene (DBU; 1.8mL,12mmol,1.0 equiv) was successively added to dichloromethane. Stirring of 2-hydroxyisoindoline-1, 3-dione (N-hydroxyphthalimide; 2.0g,12 mmol,1.0 equiv) in NN-dimethylformamide (DMF; 30 mL) in the solution. The resulting solution was changed from yellow to deep red to colorless in about 5 min and stirred at 230 C for 18 h. The reaction mixture was diluted with 1m aqueous hydrochloric acid (HCl; 300ml). The resulting white precipitate was vacuum filtered and washed with water to give a white powder (2.3g) which was dissolved in CH2Cl2(53ml). Hydrazine hydrate (570 μL,12mmol,1.1 equiv) was added and the resulting white suspension was stirred for 18h at 230 °c. The reaction mixture was vacuum filtered. The filtrate was diluted with 0.1M aqueous NaOH (200ml) and extracted with CH2Cl2(3 x 50ml). The combined organic layers were dried over Na2SO4, gravity filtered, and concentrated by rotary evaporation to give trans-3-chloro-2-propenyl hydroxylamine as a white semi-solid. |
| emergency | if trans-3-chloro-2-propenyl hydroxylamine is inhaled, please move the patient to fresh air; If skin contact, should remove contaminated clothing, with soap water and water thoroughly rinse the skin, if there is discomfort, see a doctor. |
Last Update：2024-09-20 09:44:13
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