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F-BuOCI

Af-Hydroxypyrazoles 38 and their N -oxides 39 are converted by f-BuOCI to the 4-chloro-47/-pyrazoles 40 and 41, respectively25,26,56 (Scheme 14). Unlike Scheme 6, the reaction proceeds even when R1 and R are alkyl. When... [Pg.62]

If methylcyclopropane is treated with f-BuOCI, various products are obtained but the two major products are C and D. At lower temperatures more of C is formed and at higher temperatures more of D. [Pg.159]

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