Journal of Organic Chemistry p. 1349 - 1354 (1993)
Update date:2022-07-29
Topics:
Tiecco, Marcello
Testaferri, Lorenzo
Tingoli, Marco
Marini, Francesca
Elimination reactions of terminal selenoxides holding an alkoxy group in the β-position, RCH(OR)CH2SeOPh, are usually difficult and can give rise to complex reaction mixtures.We report that these reactions take place more easily whenever the oxygen atom is linked to an unsaturated group (-CH=CHR, -Ar, -CR=O, -CH=NR).These selenoxides are easily available, and the elimination reaction was employed to effect useful syntheses of both open-chain and cyclic aryl and vinyl enol ethers.Moreover, by simple isomerization with acids or bases the cyclic derivatives can be transformed into the corresponding furans.The same procedure has been employed to synthesize substituted oxazoles and thiazoles also.
View MoreZhejiang Chemicals Import & Export Corporation
Contact:86-571-87043088
Address:No.37,Qingchun Road,Hangzhou,China
WUXI HONOR SHINE CHEMICAL CO.,LTD
Contact:+86-510-83593312
Address:No.1699 Huishan avenue,Huishan district,Wuxi ,Jiangsu,China,214177.(Wuxi Huishan Ecomonic Develop Zone )
NINGBO PANGS CHEM INT’L CO., LTD.
Contact:+86-0574-27666801
Address:Floor 21, Building 11, Xintiandi, No. 689, Shijiroad, Ningbo, Zhejiang, China
Beijing Greenchem Technology Co.,Ltd. ( Panjin Greenchem Technology Co.Ltd .)
website:http://www.bjgreenchem.com/
Contact:+86-427-6515887
Address:301,302, 3rd Floor, Building C-7, Dongsheng Science Park, Northern Territory, Zhongguancun, No. 66, Xixiaokou Road, Haidian District, Beijing
Reliable Pharma Technology (Shanghai) Co., Ltd.
Contact:0086-21-67676847-8008
Address:Lane 1500, No.68, Xinfei Road, Songjiang District, Shanghai, 201611, P.R.China.
Doi:10.1016/j.bmc.2004.06.017
(2004)Doi:10.1002/cjoc.201300344
(2013)Doi:10.1016/S0040-4020(01)98155-4
(1971)Doi:10.1248/cpb.40.2251
(1992)Doi:10.1021/ol034025p
(2003)Doi:10.1016/j.jorganchem.2013.08.024
(2013)