Journal of the Chemical Society. Chemical communications p. 1120 - 1122 (1982)
Update date:2022-08-03
Topics:
Harwood, Laurence M.
5-Allyloxy-2-hydroxybenzoic acid (1a) and the esters (1b - f) in refluxing trifluoroacetic acid are smoothly converted into 3,4-dihydro-5,8-dihydroxy-3-methylisocoumarin (3) and the corresponding 4-alkoxycarbonyl-2,3-dihydro-5-hydroxy-2-methylbenzofurans (4a - f) via regioselective Claisen rearrangement to the 6-position of the aromatic nucleus with subsequent acid catalysed cyclisation.
View MoreShanghai Yuanye Bio-Technology Co., Ltd.
website:http://www.shyuanye.com
Contact:+86-21-61845781
Address:Building 6, No. 465, Changta Road,Songjiang District,Shanghai,China
Jining Shengrun Chemical Industry Co., Ltd.
Contact:+86-537-7121666 ,
Address:West Ring Road,Wenshang County Shandong Province
Contact:86-15588110016
Address:LINYI CITY,SHANDONG PROVINCE,CHINA
Contact:+86-0592 5353131
Address:No.56 Guani Road Software Park 2,Siming District
Contact:
Address:ROOM 1715, No#345 Jin Xiang Road, Pudong District
Doi:10.1021/om00083a022
(1984)Doi:10.1002/chem.201102898
(2012)Doi:10.1021/acs.joc.8b02410
(2019)Doi:10.1016/j.tetlet.2012.04.063
(2012)Doi:10.1039/c2cc32500d
(2012)Doi:10.1007/s00726-011-0886-2
(2011)
