(2-ISOTHIOCYANATO-ETHYL)-DIMETHYL-AMINE synthesis
- Product Name:(2-ISOTHIOCYANATO-ETHYL)-DIMETHYL-AMINE
- CAS Number:7097-89-4
- Molecular formula:C5H10N2S
- Molecular Weight:130.21
18997-69-8
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7097-89-4
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Yield:7097-89-4 91.5%
Reaction Conditions:
with chloroformic acid ethyl ester;potassium carbonate in chloroform;water at 20 - 30; for 0.25 h;
Steps:
3 Example 3
The inner salt was added to 300 ml of chloroform.141 g of ethyl chloroformate was slowly added dropwise.Control the temperature at 20 °C,After the addition is complete, the temperature is slowly added dropwise at 20°C151.8g aqueous potassium carbonate,After the completion of the dropping, the temperature is raised to 30°C and the temperature is kept for 15 minutes.Layered,The organic phase was concentrated to give the isothiocyanate with a yield of 91.5% and a liquid phase purity of 98.9%.
References:
CN107954909,2018,A Location in patent:Paragraph 0047; 0049
