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CAS No. : | 14769-74-5 | MDL No. : | MFCD00864543 |
Formula : | C11H12N2S | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | - |
M.W : | 204.29 | Pubchem ID : | - |
Synonyms : |
(+)-Tetramisole;Dextramisole
|
Signal Word: | Class: | N/A | |
Precautionary Statements: | UN#: | N/A | |
Hazard Statements: | Packing Group: | N/A |
* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
39 % ee | With O,O'-dibenzoyl-L-tartaric acid In dichloromethane; water at 40℃; Sonication; Irradiation | We have used equal amounts for these experiments as well.4.08 g (20 mmol) (RS)-TET was dissolved in 10 ml dichloromethaneand 8 ml water at 40 °C and 2.365 g (6.6 mmol) (R,R)-DBTA in14 ml dichloromethane at 40 °C as well. When the solutions wereadded together, ultrasonic irradiation and cooling (5 °C) wasstarted straightaway.We used a Bandelin Sonopuls HD 2200 ultrasonichomogenizer equipped with MS 72 booster horn probe(diameter 2 mm, length 191 mm; shape: exponential taper; resonancefrequency of the equipment is 20 kHz). The sonotrode wasplaced at the same location during the runs: in a vertical positionwith its tip on the water–dichloromethane phase interface. Thetemperature was controlled throughout the whole experiment toavoid the warming effect of ultrasound. The duration of sonicationwas varied between 1, 5, 10, 20 and 30 min. Then we filtered thediastereomeric salt and washed with 1 ml distiled water (Fig. 2).The salt was analysed with chiral reverse-phase HPLC. We used differentultrasonic power and the real power was measured by thecalorimetric method. |