发明授权
US3959279A 1-Substituted-2-imino-quinazolin-4(1H)ones 失效
1-取代-2-亚氨基 - 喹唑啉-4(1H)

  • 专利标题: 1-Substituted-2-imino-quinazolin-4(1H)ones
  • 专利标题(中): 1-取代-2-亚氨基 - 喹唑啉-4(1H)
  • 申请号: US491214
    申请日: 1974-07-24
  • 公开(公告)号: US3959279A
    公开(公告)日: 1976-05-25
  • 发明人: Goetz E. Hardtmann
  • 申请人: Goetz E. Hardtmann
  • 申请人地址: NJ E. Hanover
  • 专利权人: Sandoz, Inc.
  • 当前专利权人: Sandoz, Inc.
  • 当前专利权人地址: NJ E. Hanover
  • 主分类号: C07C335/38
  • IPC分类号: C07C335/38 C07D239/95
1-Substituted-2-imino-quinazolin-4(1H)ones
摘要:
Anti-Histaminics of the formula ##SPC1##Wherein R.sub.1 is alkyl, alkenyl or phenalkyl, R.sub.2 and R.sub.3 are hydrogen, alkyl or alkenyl and R and R' are optional are prepared by reacting a 1-substituted isatoic anhydride with a S-methyl-thiopseudourea.
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