4,4-disubstituted-3,4-dihydro-2(1H)- quinolones and synthesis process and use thereof

4,4-disubstituted-3,4-dihydro-2(1H)- quinolones and synthesis process and use thereof

  • CN 1,827,605 B
  • Filed: 04/07/2006
  • Issued: 03/28/2012
  • Est. Priority Date: 04/07/2006
  • Status: Active Grant
First Claim
Patent Images

1. one type 4;

  • 4-dibasic-3;

    4-dihydro-2 (1H)-quianzolinones, it has following structural formula;

    Wherein, R 1Be selected from halogen or C 1-4Alkoxyl group;

    R 2Be selected from C 1-10Alkyl or C 3-7Naphthenic base;

    P is selected from H or protection base;

    N is selected from 0,1,2,3 or 4;

    Described protection base is to methoxy-benzyl, 2,4,6-trimethyl benzyl or acetyl tert-butyl ester base.

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