Process to manufacture 4-methoxybenzoic acid from herbal...

Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acids and salts thereof

Reexamination Certificate

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C562S473000

Reexamination Certificate

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07728168

ABSTRACT:
A process to manufacture 4-methoxybenzoic acid from anethole. This raw material can be obtained from a variety of plant materials and thus offers a renewable alternative to fossil raw materials. Another aspect of the present invention is the use of 4-methoxybenzoic acid gained from vegetal anethole as raw material in cosmetic and dermatologic products and/or aroma components in foodstuffs.

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Briner et al. Researches On the Infrared Absorption Spectra of Ozonides. XV. Ozonation of trans- and cis-anethole; Autoxidation, Accelerated By Ozone, of Anisic Aldehyde Helvetica Chimica Acta, 41, 2178-85.
Carey and Sundberg: “Advanced Organic Chemistry, Second Edition, Part B: Reactions and Synthesis.” 1985, Plenum Publishing Corporation, New York, XP002476889.
Liu, Lihua et al. “Preparation of p-anisic Aldehyde By Ozonization.” Database CA [Online]. Chemical Abstracts Service, Columbus, Ohio, US; XP002476890. Gefunden im STN, Database accession No. 1998: 290975. *Zusammenfassung* & Guangxi Huagong, 26 (1), 11-14.
Briner, E., et al.: “Researches On the Infrared Absorption Spectra of Ozonides. XV.Ozonation of trans- and cis-anethole; Autoxidation, Accelerated By Ozone, of Anisic Aldehyde.” Helvetica Chimica Acta, 41, 2178-85. XP002476887.
Carey and Sundberg: “Advanced Organic Chemistry, Second Edition, Part B: Reactions and Synthesis” 1985, Plenum Publishing Corporation, New York pp. 510-514.
Henne, A.L. and P. Hill, “The Preparation of Aldehydes, Ketones, and Acids by Ozone Oxidation” Journal of the American Chemical Society, vol. 65, 1943, pp. 752-754.

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