Open 2 , e1912565 (2019)
Embodiment 2 [0021] Add 100 grams of levocarnitine hydrochloride (0.505mol), 53 grams of acetic anhydride (0.52mol, about 48ml), and 10 grams of p-toluenesulfonic acid in a three-necked flask equipped with mechanical stirring, a thermometer, and a reflux condenser, and stir Heat to 70-75C to react for 1.5 hours, cool to 25C, add 200 ml of diethyl ether, stir and filter, add 400 ml of isopropanol to the filtrate, stir and crystallize at room temperature for 3 hours, filter, and dry the filter cake under reduced pressure at 50C for 5 hours to obtain The crude product is 108 grams
Discussion should cover injection technique, adverse effect management, cost considerations (often $900-1,300 monthly without insurance coverage), and long-term treatment duration, as weight regain commonly occurs after discontinuation
We also look at new studies exploring their broader therapeutic potential
Our team will provide a thorough evaluation, which may include a physical exam, advanced imaging, and if needed, minimally invasive procedures, to accurately diagnose the cause of your painwhether it is endometriosis or another condition
Bioscience, Biotechnology, and Biochemistry, 63 (4), 615-618
