发明授权
US06489504B2 Malic acid and oxalacetic acid derivatives 失效
苹果酸和草乙酸衍生物

  • 专利标题: Malic acid and oxalacetic acid derivatives
  • 专利标题(中): 苹果酸和草乙酸衍生物
  • 申请号: US09801648
    申请日: 2001-03-09
  • 公开(公告)号: US06489504B2
    公开(公告)日: 2002-12-03
  • 发明人: Yasutaka IshiiTatsuya Nakano
  • 申请人: Yasutaka IshiiTatsuya Nakano
  • 优先权: JP2000-067680 20000310
  • 主分类号: C07C6521
  • IPC分类号: C07C6521
Malic acid and oxalacetic acid derivatives
摘要:
A malic acid or oxalacetic acid derivative is represented by the following formula (1): wherein ring Z is an alicyclic carbon ring; each of Ra and Rb is independently a hydrogen atom, a metal atom, or an organic group; and Y is a hydroxyl group or an oxygen atom, where ring Z is a bridged carbon ring or a monocyclic carbon ring having eight or more members when Y is an oxygen atom. The alicyclic carbon ring includes, for example, cyclooctane ring and adamantane ring. This compound is a novel malic acid derivative having an alicyclic group bonded to a carbon atom at the 3-position, or a novel oxalacetic acid derivative having a specific alicyclic group bonded to a carbon atom at the 3-position.
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