Chemistry is traditionally divided into organic and inorganic chemistry. Application of 189028-93-1, The former is the study of compounds containing at least one carbon-hydrogen bonds.In a patent，Which mentioned a new discovery about 189028-93-1
A method of manufacturing (3R,4S)-l-(4-fluorophenyl)-3-[(3S)-3-(4-fluorophenyl)-3- hydroxypropyl)]-4-(4-hydroxyphenyl)-2-azetidinone (Ezetimibe) of formula I, starting from the optically active (S)-N-acyl-oxazolidide of formula II, which is reacted with an alkyleneglycol of general formula III, (stage 1), and the obtained acetal-oxazolidide of general formula IV, is subjected to reaction with a silyl-imine of general formula V the produced amino-oxazolidide of general formula VI, (stage 3), and the obtained silylated azetidinone of general formula VII, is desilylated (stage 4), and the ketal of general formula VIII produced this way, is deketalized formula IX is finally reduced.
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Reference：
Oxazolidine – Wikipedia,
Oxazolidine | C3H2804NO – PubChem