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Comparative Example 13; [0123] Direct sulfinylation of N-phenyl pyrazole starting material (III) according to known methods was tested. As such, sulfinylation was attempted using CF3SO2Na in the presence of a halogenating agent such as POCl3, SOCl2 or PBr3.
The basis of chemical reaction formula synthesis, the synthesis route is composed of some specific reactions and combined according to certain logical thinking. We look forward to the emergence of more reaction modes in the future.