22625-57-6, Name is 5-(Chloromethyl)oxazolidin-2-one, belongs to oxazolidine compound, is a common compound. name: 5-(Chloromethyl)oxazolidin-2-oneIn an article, once mentioned the new application about 22625-57-6.
The synthesis of racemic Carvedilol ((±)-1) has been achieved starting from 2-(chloromethyl) oxirane ((±)-2) in a four-step sequence. 5-(Chloromethyl) oxazolidin-2-one ((±)-3) and 5-((9Hcarbazol-4-yloxy) methyl) oxazolidin-2-one ((±)-4) are intermediates. A similar sequence starting from (R)- or (S)-2-(chloromethyl)oxirane 2 give corresponding chiral 5-((9Hcarbazol-4-yloxy)methyl) oxazolidin-2-one 4 followed by chiral Carvedilol 1. The synthetic sequence followed avoids the formation of impurity B (bis impurity). This approach can be useful for the preparation of pharmaceutically important moieties containingbeta-amino alcohols without formation of bis impurity.
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Reference：
Oxazolidine – Wikipedia,
Oxazolidine | C3H1429NO – PubChem