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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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. |
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