发明授权
- 专利标题： Process for the preparation of thiazole derivatives
- 专利标题（中）： 噻唑衍生物的制备方法
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申请号： US09628392申请日： 2000-08-01
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公开(公告)号： US06369233B1公开(公告)日： 2002-04-09
- 发明人: Thomas Pitterna , Henry Szczepanski , Peter Maienfisch , Ottmar Franz Hüter , Thomas Rapold , Marcel Senn , Thomas Göbel , Anthony Cornelius O'Sullivan , Gottfried Seifert
- 申请人： Thomas Pitterna , Henry Szczepanski , Peter Maienfisch , Ottmar Franz Hüter , Thomas Rapold , Marcel Senn , Thomas Göbel , Anthony Cornelius O'Sullivan , Gottfried Seifert
- 优先权： CH3124/96 19961219
- 主分类号： C07D27716
- IPC分类号： C07D27716
摘要：
The Invention relates to a process for the preparation of a compound of the formula wherein Q, Y, Z, R1, R2, R3, R4 and R5 are as defined in the specification, which comprises a) reacting a compound of the formula with a halogenating agent to form a compound of the formula b) converting a compound of formula (II) by means of a halogenating agent into a compound of the formula optionally c) converting the compound of formula (IV) into a compound of formula (III); d) converting a compound of formula (III) by means of a compound of the formula e) converting a compound (IV) by means of a compound (V) into a compound (VI); and f) converting a compound (VI) by means of a chlorinating agent into a compound (I); a compound (IV); to a process for the preparation of a compound (III) and to a process for the preparation of a compound (IV).
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