Tetrahedron p. 8837 - 8854 (1993)
Update date:2022-08-04
Topics:
Knorr, Rudolf
Freudenreich, Johannes
Von Roman, Therese
Mehlstaeubl, Johann
Boehrer, Petra
The syntheses of 2,2,3,3-tetramethyl-1-indanylidene and of 1,1,3,3-tetramethyl-2-indanylidene derivatives from 1,1,3,3-tetramethyl-2-indanone are reported. Access to the second series is restricted by the ease of methyl migration under carbenium-like conditions, such as electrophilic bromination. The rearrangement products are described and also the methods avoiding their formation. Nucleophilic bromination of the oxirane 19 allows to efficiently prepare the sterically shielded bromoalkene 21 (Section B) or the enol acetate 34 (Section C) and other key compounds for further transformations.
View MoreHebei Think-Do Environment Co., Ltd
website:http://www.thinkdo-environment.com
Contact:0311-86510809-
Address:No 6, Shilian Middle Street, Circular Chemical Industry Park
NanJing Rate Biochemicals CO., LTD
Contact:+86-25-84931986
Address:NO. 1 Hongjing Road,Jiangning Science Park,Nanjing,China
Zhejiang Genebest Pharmaceutical Co.,Ltd.
Contact:0086-571-63532866
Address:No.1 Jinboshi Rd Lishan Town Fuyang City Zhejiang Province China
Contact:+86-0311-84455288-844
Address:Mayu Industrial Park, Jinzhou, Hebei, China.
Shangyu Sanhechemicals Co.,LTD.
Contact:86-0571-56696839
Address:Num.2952,Nanhuan Road,Binjiang District,Hangzhou,China
Doi:10.1016/j.bmcl.2013.12.101
(2014)Doi:10.1016/S0040-4039(00)73171-6
(1994)Doi:10.1016/S0040-4039(00)61535-6
(1993)Doi:10.1016/0040-4020(95)00858-6
(1996)Doi:10.1246/cl.1994.453
(1994)Doi:10.1002/jhet.5570300629
(1993)
