120100-00-7Relevant articles and documents
Process for producing 4-benzoyl-5-hydroxypyrazoles
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, (2008/06/13)
A process for producing a 4-benzoyl-5-hydroxylpyrazole of the formula III: STR1 which comprises reacting carbon monoxide and a 5-hydroxypyrazole of the formula II: STR2 to a substituted benzene of the formula I: STR3 wherein X is a bromine atom, an iodine atom or a diazonium tetrafluoroboron salt group, in the presence of a base and a catalyst of Group VIII of the Periodic Table.