New hypervalent iodine reagents for electrophilic trifluoromethylation and their precursors: synthesis, structure, and reactivity
作者:Katrin Niedermann、Jan M. Welch、Raffael Koller、Ján Cvengroš、Nico Santschi、Philip Battaglia、Antonio Togni
DOI:10.1016/j.tet.2010.04.125
日期:2010.7
reagents. These compounds were characterized by X-ray crystallography for a comparative structural study. A reactivity study on the trifluoromethylation of para-toluenesulfonic acid has been conducted in order to compare initial rates. Compounds having a longer I–O bond display a higher reactivity.
Facile synthetic entry into the 1,3-dihydro-3-methyl-3-phenyl-1,2-benziodoxole family of λ3-lodanes
作者:Ghada A. Rabah、Gerald F. Koser
DOI:10.1016/0040-4039(96)01436-0
日期:1996.9
The synthesis of series of 1,3-dihydro-3-methyl-3-phenyl-1,2-benziodoxoles, 7, containing chloro, tosyloxy, acetoxy, trifluoroacetoxy and azido ligands and the optical resolution of 2-iodo-α-methylbenzhydrol, the starting material for the synthesis of 7, are reported.