METHOD FOR PRODUCING OPTICALLY ACTIVE 1, 4-BENZOTHIAZEPINE-1-OXIDE DERIVATIVE

The present invention addresses the problem of providing an efficient asymmetric synthesis method for an optically active 1,4-benzothiazepine-1-oxide derivative. [Solution] According to the present invention, an optically active 1,4-benzothiazepine-1-oxide derivative is efficiently produced by react...

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1. Verfasser: HIRANO, Sayuri
Format: Patent
Sprache:eng ; fre ; ger
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Zusammenfassung:The present invention addresses the problem of providing an efficient asymmetric synthesis method for an optically active 1,4-benzothiazepine-1-oxide derivative. [Solution] According to the present invention, an optically active 1,4-benzothiazepine-1-oxide derivative is efficiently produced by reacting a 1,4-benzothiazepine derivative or a salt thereof with a reagent containing a titanium compound, a chiral diol compound and water, and an oxidant in a solvent.