Rate laws may be derived directly from the chemical equations for elementary reactions. This is not the case, however, for ordinary chemical reactions.144690-92-6, molecula formula is Triphenyl methyl olmesartan, below Introduce a new synthetic route., 144690-92-6
A mixture of trityl olmesartan medoxomil in acetic acid and water (1:1, 400 mL) and sulfuric acid (12.2 gm) (1 mol equivalent) was stirred at 25C-30C for 45-60 minutes. Triphenylcarbinol was filtered and the filtrate was washed with acetic acid and water mixture (1:1, 50 rnL). Sodium carbonate solution (25% w/v, 100 mL) was charged to the filtrate and the product was extracted with dichloromethane (500 mL) followed by recovery of the solvent. The product was isolated, recrystallized using acetonitrile (300 mL), filtered, washed and dried under reduced pressure to obtain crude olmesartan medoxomil.Yield: 90% HPLC purity: 99.29 % OLM-acid: Not Detectable OLM- Eliminate: 0.07% Acetic acid content: Not Detectable
A chemical reaction often occurs in steps, although it may not always be obvious to an observer.
Reference£º
Patent; RANBAXY LABORATORIES LIMITED; KAPOOR, Ashwini, Kumar; MEHTA, Hiten, Sharadchandra; NATH, Asok; PRASAD, Mohan; WO2010/134052; (2010); A1;,
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