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CAS No. : | 3160-35-8 | MDL No. : | MFCD00016490 |
Formula : | C10H10O2 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | OCNIKEFATSKIBE-NSCUHMNNSA-N |
M.W : | 162.19 | Pubchem ID : | 796857 |
Synonyms : |
|
Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P261-P264-P271-P280-P302+P352-P304+P340-P305+P351+P338-P312-P362-P403+P233-P501 | UN#: | N/A |
Hazard Statements: | H315-H319-H335 | Packing Group: | N/A |
GHS Pictogram: |
* 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 |
---|---|---|
Stage #1: octopamine hydrochloride With sodium hydrogencarbonate In methanol at 20℃; Stage #2: 4-(4'-hydroxyphenyl)but-3-en-2-one With 10% Pd/C; hydrogen In methanol at 20℃; Stage #3: With hydrogenchloride In water | 2 2. Preparation of Ractopamine hydrochloride 4-(2-amino-l -hydroxy ethyl) phenol hydrochloride (Octopamine hydrochloride) lOOgram was dissolved in methanol 500 ml, charge Sodium bicarbonate 20gram added to the reaction mixture at room temperature, 4-(4-hydroxyphenyl>3 -butene-2- one. 90gram was added to above reaction mass and stir for 15 min at room temperature. 60gram Raney Nickel was taken in autoclave and washed with water and finally wash with methanol. The above reaction mass charged in autoclave and washed with methanol. Apply 6-8 kg H2 pressure and temperature maintain for 16-20hrs hrs. at below50°C till reaction mass conversion should be above 85%. On HPLC, after completion of reaction then filter the reaction mass and separate the Raney nickel. Taken clear filtrate adjust the pH with 3- 4 pH with dil HC1 and followed by distillation of methanol added water 500 ml further cool the reaction mass, followed by filtration to get Ractopamine hydrochloride. Further purification in Ethyl acetate /acetone to get pure Ractopamine hydrochloride having purity above 98.5%. |
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