Perfluoroisopropylbenzene derivative

Organic compounds -- part of the class 532-570 series – Organic compounds – Oxygen containing

Reexamination Certificate

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C562S480000

Reexamination Certificate

active

10969974

ABSTRACT:
Perfluoroisopropylbenzene derivatives of the general formula (I) or salts thereof, useful as intermediates or raw materials in the synthesis of various industrial materials including agricultural chemicals, drugs and surfactants:wherein X1is H, halogen, formyl, optionally halogenated (C1–C6) alkyl, (C1–C6) alkylthio, or the like; X2is H, halogen, formyl, hydroxyl, (C1–C6) alkyl, —C(═O)—R1(wherein R1is H, halogen, hydroxyl, (C1–C6) alkyl, or NR2R3, with R2and R3being each H, C1-6alkyl, or the like), or the like; X3is H, halogen, hydroxyl, cyano, isocyanate, hydrazino, diazo, —C(═O)—R1, —SO2—R4(wherein R4is halogen, hydroxyl, (C1–C6) alkyl, or NR5R6, with R5and R6being each H or (C1–C6) alkyl), or the like; and X4is H, halogen, (C1–C6) alkyl, or (C1–C6) alkoxy, with publicly known compounds being excepted.

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