Method of preparing amine stereoisomers

Method of preparing amine stereoisomers

  • CN 1,659,154 B
  • Filed: 04/07/2003
  • Issued: 05/30/2012
  • Est. Priority Date: 04/10/2002
  • Status: Active Grant
First Claim
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1. method for preparing amine stereoisomers;

  • It comprises through reduce the sulfenimide steric isomer with borine or hydrogenate type reductive agent Stereoselective;

    Generate the sulfinyl amine steric isomer, said sulfinyl amine steric isomer is contacted with the reagent that is suitable for cracking sulphur-nitrogen key, generate amine stereoisomers;

    On the sulfinyl of said sulfenimide, have the substituted beta-alkamine steric isomer of N-, the general formula of this steric isomer is following

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