Novel hydrochloride compound and use thereof
A compound, the technology of phenylpropionic acid, applied in the field of medicine, can solve problems such as many side effects, lack of anti-motion sickness drugs, and social activities that affect combat effectiveness
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Embodiment 1
[0018] Embodiment one. preparation medasupine hydrochloride compound
[0019] 1), the preparation of diphenylmethanol
[0020] Put 60g of benzophenone, 60g of sodium hydroxide, and 600ml of 95% ethanol into a 1000ml reaction bottle, stir vigorously, and add zinc powder three times, 20g each time. TLC (petroleum ether: ethyl acetate = 10:1) followed the reaction progress, and the reaction was complete in about 2 hours. Filter out the zinc powder, pour the filtrate into 3 liters of ice water, collect the white solid by filtration, dissolve it with ethanol after drying, and filter again, dilute the filtrate with an appropriate amount of water, and collect 56.3 g of pure white solid product by filtration, yield: 92.8%, melting point : 65.8-65.9°C.
[0021] 2), the preparation of benzhydryl thioacetic acid
[0022] Put 31.3 g of benzhydryl alcohol, 15.7 g of mercaptoacetic acid, and 160 ml of 40% hydrobromic acid into a 250 ml reaction flask, stir mechanically, and heat to 95° C...
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