专利号:US-6573397-B2 优先权日:2001-06-19 标 题 :Process for producing 3,4-dihydroxybenzonitrile 发明人:SHIRAI MASASHI; SHIBA KOJI; FURUYA TOSHIO 权利人:UBE INDUSTRIES 摘要:3,4-dihydroxybenzonitrile useful as a starting compound for synthesis of medicines and agricultural chemicals is produced, with a high yield by chlorinating 3,4-methylenedioxybenzonitrile with sulfuryl chloride or a mixture of molecular chlorine with a chlorination-promoter including phosphorus trichloride, phosphorus pentachloride, sulfuryl chloride, thionyl chloride, and/or nitrosyl chloride, to prepare 2-chloro-benzo[1,3]dioxole-5-carbonitrile, and hydrolyzing 2-chloro-benzo[1,3]dioxole-5-carbonitrile by contacting it with water to produce 3,4-dihydroxybenzonitrile.
专利号:CN-109096243-B 优先权日:2018-07-26 标题 :Synthesis process of deuterated ibrutinostat racemate
[参考文献]: M M Wick, Et Al. Antitumor Effects Of Biologic Reducing Agents Related To 3,4-Dihydroxybenzylamine: Dihydroxybenzaldehyde, Dihydroxybenzaldoxime, And Dihydroxybenzonitrile. J Pharm Sci. 1987 Jul;76(7):513-5.
合成参考文献
摘要:Li, D.-D.; Wang, G.-W., Science of Synthesis: Catalytic Transformations via CH Activation, (2015) 2, 355.