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US06888003B2 Method for producing 7-(pyrazole-3-yl) benzoxazoles 失效
7-(吡唑-3-基)苯并恶唑的制备方法

Method for producing 7-(pyrazole-3-yl) benzoxazoles
摘要:
A process for preparing 7-(pyrazol-3-yl)benzoxazoles of the formula I in which the variables R1-R6 are as defined in claim 1, which process is characterized in that a 2-halo-3-(pyrazol-3-yl)anilide of the formula II, in which X is bromine or iodine is reacted with a base in the presence of a transition metal compound of subgroup VIIa, VIIIa or Ib of the Periodic Table of the Elements, is disclosed.
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