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 MoreShandong LuZhou Amino Acid Co., Ltd
Contact:86-539-2218025
Address:yishui economic and technical development zone zhenxing south road
Wuxi Innopal International Trade CO.,LTD
Contact:+86-510-80711901-8003
Address:Room 402,Building 5,Longze Garden,No.17,South huanjiu Road,Yixing City, Jiangsu,China
Nanjing Vincero International Trading Co.,Ltd
Contact:8618936897229
Address:NO.68, ZhuShan Road, JiangNing WanDa Plaza, Building E Room 1703
Hangzhou Haiqiang Chemical Co.,Ltd.
Contact:+86-571-86960370
Address:Add: 5/F, Around Town North Road,No. 10, Hangzhou, Zhejiang,China
Guangxi Bonger Pharmaceutical Co., Ltd
website:http://napo.lookchem.com/
Contact:+86-18817331185
Address:Donghai Industrial Zone, Tiandong Country,Guangxi,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)
