Tetrahedron p. 7247 - 7262 (1990)
Update date:2022-08-04
Topics:
Glover, Stephen A.
Rowbottom, Colleen A.
Scott, Anthony P.
Schoonraad, Johan L.
Deuterium labelling experiments and n.m.r. studies indicate that cyclisations of N-acyl-N-(2-phenylethyloxy)nitrenium ions occur via direct attack at the ortho position to give 3,4-dihydro-1H-2,1-benzoxazines.In contrast N-acyl-N-(3-phenylpropyloxy)nitrenium ions cyclise to 1,3,4,5-tetrahydro-2,1-benzoxazepines through ipso attack followed by 1,2-carbon migration.In both cases hydrogen circumambulation occurs in the sigma complex before aromatisation.
View MoreWUHU HUAHAI BIOLOGY ENGINEERING CO LTD
Contact:+86-553-3836920
Address:7/F NO.82 LAODONG ROAD WUHU CHINA
Shanghai doly chemical Co.,Ltd
Contact:+86-21-34716221
Address:No.328,WuHe Roard,MinHang,ShangHai China
Nanjing Vincero International Trading Co.,Ltd
Contact:8618936897229
Address:NO.68, ZhuShan Road, JiangNing WanDa Plaza, Building E Room 1703
Quzhou Ruiyuan chemical Co., Ltd
Contact:+86-570-3039321/3039361/3039308
Address:18# Huayang Road,Quzhou High-tech Industrial Park, Zhejiang China.
Hangzhou Eastbiopharm Co.,Ltd.
Contact:+86-571-88931780
Address:Hangzhou,China
Doi:10.1016/j.tetlet.2011.04.072
(2011)Doi:10.1016/S0040-4020(01)80982-0
(1991)Doi:10.1007/BF00958858
(1990)Doi:10.1002/mrc.1260281205
(1990)Doi:10.1016/j.dyepig.2011.02.010
(2011)Doi:10.1021/ol201676g
(2011)
