Process for producing 4-methyl-2,3,5,6-tetrafluorobenzyl...

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

Reexamination Certificate

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Reexamination Certificate

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08039680

ABSTRACT:
A process for producing 4-methyl-2,3,5,6-tetrafluorobenzyl alcohol including the following steps: (A): a step for fluorinating 2,3,5,6-tetrachloroterephthaloyl dichloride, (B): a step for reducing the product obtained in step (A), (C): a step for chlorinating the product obtained in step (B), and Step (D): a step for hydrogenating the product obtained in step (C).

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McMurry Yuki Kagaku (Chu), fourth edition, Kabushiki Kaisha Tokyo Kagaku Dojin Hakko, 1998 Nen, pp. 641-643, Translated by Ito et al., Chapter 17.6 “Alcohols from Reduction of Carbonyl Compounds”.
Smyth, Timothy P., et al.: Inexpensive, Active KF for Nucleophilic Aromatic Displacement Reactions, Tetrahedron, 1995, vol. 51, No. 22, pp. 6363-6376.

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