Synthesis p. 623 - 626 (1993)
Update date:2022-08-29
Topics:
Ashok
Sridevi
Umadevi
Vilsmeier-Haack reaction, using a specific combination of phosphorus oxychloride and dimethylformamide, on 3-arylisoxazol-5(4H)ones 1 resulted in 2,4-dichloroquinoline-3-carbaldehydes 6 as the major products along with other minor products, through a novel rearrangement. Oxidation of 6 with alkaline potassium permanganate gave 2,4-dichloroquinoline-3-carboxylic acids 7. Decarboxylation of 6 and decarboxylation of 7 using aqueous sodium hydroxide yielded 2,4-dichloroquinolines 8. All the compounds were characterised by elemental and spectral analysis.
View MoreJiangxi Hito Chemical Co., Ltd.
Contact:+86-792-3170318
Address:No. 6, Tianhong Ave., Xinghuo Industry Park, Yongxiu, Jiujiang, Jiangxi, China
website:http://www.u-chemo.com
Contact:+86-21-61558312
Address:Dong Fang Road,
ZHIJIANG ZENVA SINO COMMERCE AND TRADE CO., LTD.
website:http://www.zenvasino.com
Contact:+86-138-72658998
Address:Shibeishan Road,Zhijiang, Hubei, China
Contact:13357117572
Address:No.149 Shiji dadao Road.
Chongqing Yawei Fine Chemical Co.,Ltd
Contact:0086-23-62849407
Address:Ziyou village, Nanquan town, Banan district, Chongqing China
Doi:10.1016/j.apcata.2017.01.022
(2017)Doi:10.1021/jacs.0c11110
(2021)Doi:10.1021/ja409511n
(2013)Doi:10.1016/0040-4039(94)02215-W
(1995)Doi:10.1080/00397910008087348
(2000)Doi:10.1128/AAC.49.2.549-555.2005
(2005)