
Tetrahedron p. 4987 - 4994 (1985)
Update date:2022-07-29
Topics:
Tomoika, H.
Ozaki, Y.
Izawa, Y
The solvent effect on the reactivity of singlet carbenes has been investigated.Competition reactions between pairs of alcohols for arylcarbenes in various solvents indicates that the O-H insertion selectivity is influenced only by 1,4-dioxane.Thus, phenylcarbene is some 33 times more reactive toward methanol relative to t-butyl alcohol in 90 molpercent dioxane than without solvent.Similar competition reactions between alcohol and olefin indicate that the O-H insertion-addition selectivities of arylcarbenes are considerably altered by dioxane.These results are interpreted as indicating that dioxane stabilizes singlet carbenes by complexing with its ione pairs of electrons.
View MoreShangyu Sanhechemicals Co.,LTD.
Contact:86-0571-56696839
Address:Num.2952,Nanhuan Road,Binjiang District,Hangzhou,China
Hangzhou Zyter Biological & Chemical Technology Co., Ltd.
website:http://www.zyterpharm.com
Contact:+86-18858184290
Address:West Wenyi Road, Cangqian, Yuhang
Shanghai Longjin Metallic Material Co., Ltd.
website:http://www.shlongjin.cn/
Contact:021-56517503,56502257
Address:No.16, Lane 555, Chengyin Road, Shanghai
Zhejiang Chemicals Import & Export Corporation (ZHECHEM)
Contact:+86-571-87046953
Address:No. 37, Qingchun Road
Frapp's Chemical (NFTZ) Co.,Ltd
Contact:+86-576-86137892
Address:General Chamber of Commercial Building, 159 Wanchang Middle Road, Wenling, Zhejiang, China
Doi:10.1002/ejoc.201301206
(2013)Doi:10.1021/ol702473s
(2007)Doi:10.1021/acs.orglett.5b00088
(2015)Doi:10.1002/jhet.5570440627
(2007)Doi:10.1016/j.tet.2007.10.005
(2007)Doi:10.1039/b711505a
(2007)