New procedure for the preparation of highly sterically hindered alkenes using a hypervalent iodine reagent
作者:Matthijs K. J. ter Wiel、Javier Vicario、Stephen G. Davey、Auke Meetsma、Ben L. Feringa
DOI:10.1039/b414959a
日期:——
New methodology is described to construct the olefinic bond in overcrowded alkenes using a hypervalent iodine reagent, and applied in the synthesis of molecular motors.
In control of the speed of rotation in molecular motors. Unexpected retardation of rotary motionElectronic supplementary information (ESI) available: experimental section. See http://www.rsc.org/suppdata/cc/b2/b208323j/
作者:Edzard M. Geertsema、Nagatoshi Koumura、Matthijs K. J. ter Wiel、Auke Meetsma、Ben L. Feringa
DOI:10.1039/b208323j
日期:2002.11.29
Surprisingly, a new motor with a tetrahydronaphthalene upper part rotates slower than the original molecular motor with a tetrahydrophenanthrene upper part despite decreased steric hindrance.