Tetrahedron Letters p. 2751 - 2752 (1986)
Update date:2022-08-05
Topics:
Le Floc'H, Yves
Lefeuvre, Martine
The synthesis of two new dihydroxy phenacylidene triphenylphosphoranes from 2,4-dibenzoyloxy and 2,5-dibenzoyloxy acetophenones is described.By acylation of the hydroxyl groups of these ylides, intramolecular olefination of the ester carbonyl group and hydrolysis of the second ester group, some 6-hydroxy and 7-hydroxy chromones are prepared with good yields.
View MoreContact:13813902930 025-52714267
Address:20 Fengji Road, Yuhua Economic Development Zone, Nanjing, Jiangsu, P. R. China
Chengdu D-Innovation Pharmaceutical Co., Ltd
Contact:86-28-85105536
Address:1001, B6, No.88 Keyuan South Road, Chengdu Hi-Tech Zone
Guangzhou Puho Pharmaceutical Technology Co. Ltd.
Contact:86-20-29848035/29848075
Address:No.166, Chaoyang East Road, Panyu District, Guangzhou City, Guangdong Province
A.M FOOD CHEMICAL CO., LIMITED
Contact:86-531-87100375
Address:20Floor，Bblock，1Building，pharma-valley，Jinan，China
Contact:86 513 85512619
Address:Rm.1306, Building A, Wenfeng Mansion,168 Gongnong Road, Nantong Jiangsu China
Doi:10.1016/0022-328X(86)82045-9
(1986)Doi:10.1021/ic800508t
(2008)Doi:10.1016/j.jinorgbio.2012.02.032
(2012)Doi:10.1016/j.tet.2008.08.005
(2008)Doi:10.1002/anie.200802459
(2008)Doi:10.1016/j.ejmech.2007.12.006
(2008)
