Triphenyl methyl olmesartan, cas is 144690-92-6, it is a common heterocyclic compound, the Dioxole compound, its synthesis route is as follows.
Example 2 Olmesartan medoxomil of formula I20 g of the starting compound of formula III were stirred up in 75 ml of acetic acid and after stirring for 10 minutes 30 ml of water were added dropwise during 5 minutes. Then, the suspension was put in a 50C bath and stirred for 4 hours. Then 16 ml of water were added dropwise in 5 minutes, the mixture was taken out of the bath and after 5 minutes it was put in a cooling bath with the temperature of 10C. After 20 minutes the separated insoluble fraction, containing the side product trityl alcohol, was aspirated and washed with a mixture of 4 ml of AcOH + 2 ml of water. 40 ml of acetone and then 70 ml of water were added to the filtrate at 30C, the separated product was aspirated and 1 1.5 g (82 %) of the product were obtained.
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Reference£º
Patent; ZENTIVA, K. S.; STACH, Jan; JARRAH, Kamal; KRULIS, Radim; RADL, Stanislav; CERNY, Josef; WO2012/55380; (2012); A1;,
1,3-Benzodioxole – Wikipedia
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