2,5-Dihydroxycinnamic acid

2,5-Dihydroxycinnamic acid.svg 200px Chemical structure of 2,5-dihydroxycinnamic acid (2E)-3-(2,5-Dihydroxyphenyl)prop-2-enoic acid (2E)-3-(2,5-Dihydroxyphenyl)acrylic acid, grevillic acid correct CAS 38489-67-7 correct CAS 636-01-1 (non-specific) correct FDA 6EHK92QE99 6442618 1S/C9H8O4/c10-7-2-3-8(11)6(5-7)1-4-9(12)13/h1-5,10-11H,(H,12,13) JXIPYOZBOMUUCA-UHFFFAOYSA-N 181581 C1=CC(=C(C=C1O)C=CC(=O)O)O 9 8 4 2,5-Dihydroxycinnamic acid is a hydroxycinnamic acid derivative. It is an isomer of caffeic acid. Preparation 2,5-Dihydroxycinnamic acid is produced by Elbs persulfate oxidation of o-coumaric acid.Cain J.C. Greenaway A.J. Abstracts of Papers on Organic chemistry Journal of the Chemical Society, Abstracts 1907 92 A741–A812 10.1039/CA9079200741 https://books.google.com/books?id=u19FAQAAIAAJ&pg=PA772 subscriptionOtto Neubauer Flatow L. Synthesen von Alkaptonsäuren Zeitschrift für Physiologische Chemie 1907 52 3–4 375–398 http://vlp.mpiwg-berlin.mpg.de/references?id=lit18540&page=p0375 10.1515/bchm2.1907.52.3-4.375 subscription See also Homogentisic acid Gentisic acid References Category:Hydroxycinnamic acids Category:Hydroquinones Category:Phenylogous carboxylic acids