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Method for Producing 2-3-Pyrazolyl-oxymethyleneNitrobenzenes
Method for Producing 2-3-Pyrazolyl-oxymethyleneNitrobenzenes
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机译:生产2-3-吡唑基-甲醛亚甲基硝基苯的方法
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PCT No. PCT/EP98/04490 Sec. 371 Date Jan. 27, 2000 Sec. 102(e) Date Jan. 27, 2000 PCT Filed Jul. 20, 1998 PCT Pub. No. WO99/06373 PCT Pub. Date Feb. 11, 19992-(3-Pyrazolyloxymethylene)nitrobenzene [sic] derivatives of the formula I where the substituents and indices have the meanings given in the description, are prepared by bromination of an o-nitrotoluene of the formula II and subsequent reaction with a 3-hydroxypyrazole of the formula IV
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