发明专利
JPH0532687A ALKOXYMETHYLIDENE MALTOOLIGOSACCHARIDE DERIVATIVE, REAGENT FOR DETERMINATION OF ALPHA-AMYLASE ACTIVITY CONTAINING THE DERIVATIVE AS ACTIVE COMPONENT AND DETERMINATION OF ALPHA-AMYLASE ACTIVITY
失效
基本信息:
- 专利标题： ALKOXYMETHYLIDENE MALTOOLIGOSACCHARIDE DERIVATIVE, REAGENT FOR DETERMINATION OF ALPHA-AMYLASE ACTIVITY CONTAINING THE DERIVATIVE AS ACTIVE COMPONENT AND DETERMINATION OF ALPHA-AMYLASE ACTIVITY
- 申请号：JP21298791 申请日：1991-07-31
- 公开(公告)号：JPH0532687A 公开(公告)日：1993-02-09
- 发明人： TOKUTAKE SHOICHI , TOMIKURA TADASHI , KOTANI KAZUO , SAITO KAZUNORI , TOBE KOUICHIROU
- 申请人： KIKKOMAN CORP , DAIICHI PURE CHEMICALS CO LTD , SEISHIN SEIYAKU KK
- 专利权人： KIKKOMAN CORP,DAIICHI PURE CHEMICALS CO LTD,SEISHIN SEIYAKU KK
- 当前专利权人： KIKKOMAN CORP,DAIICHI PURE CHEMICALS CO LTD,SEISHIN SEIYAKU KK
- 优先权： JP21298791 1991-07-31
- 主分类号： C07H9/04
- IPC分类号： C07H9/04 ; C07H15/203 ; C12Q1/40
摘要：
PURPOSE:To provide the subject new derivative enabling accurate and efficient determination of alpha-amylase activity and useful as a reagent for the determination of alpha-amylase activity. CONSTITUTION:The derivative of formula I (X is methoxy or ethoxy; X is H, methoxy, ethoxy, etc.; R is H, aromatic chromogenic group, etc.; n is 2-6), e.g. 2-chloro-4-nitrophenyl:4 ,6 -0-dimethoxymethylidene-beta-D-maltope ntoxide. The compound of formula I can be produced e.g. by adding 2-100mol of a compound of formula III, formula TV (X and X are 1-4C alkyl), their acetal or ketal to 1mol of D-maltooligosaccharide of formula II or its derivative and reacting in an aprotic polar solvent at 20-100 deg.C for 1-20hr.
公开/授权文献:
- JP2770892B2 公开/授权日：1998-07-02
信息查询:
EspacenetIPC结构图谱:
| C | 化学；冶金 |
| --C07 | 有机化学 |
| ----C07H | 糖类；及其衍生物；核苷；核苷酸；核酸 |
| ------C07H9/00 | 含有与糖化物基团至少共有两个杂原子的杂环的化合物 |
| --------C07H9/02 | .杂环中仅含有氧作为杂环原子 |
| ----------C07H9/04 | ..环缩醛类 |