The functionalization of saturated hydrocarbons. Part 26. Ionic substitution reactions in GoAggIV chemistry: The construction of CN, CS and CC bonds
作者:Derek H.R. Barton、Warinthorn Chavasiri
DOI:10.1016/s0040-4020(01)80736-5
日期:1994.4
Utilization of the GoAggIV system in the presence of sodium azide, sodium nitrite, sodium thiocyanate, sodium disulfide and tetraethylamonium cyanide converts saturated hydrocarbons into the corresponding alkyl azides, nitroalkanes, alkyl thiocyanates, dialkyl disulfides and alkyl cyanides, respectively. Mechanistic studies suggest an Fe-centered ligand coupling reaction pathway.
NEW HALOGENATION REAGENT SYSTEM FOR ONE-POT CONVERSION OF ALCOHOLS INTO IODIDES AND AZIDES<sup>*</sup>
作者:Ahmed Kamal、G. Ramesh、N. Laxman
DOI:10.1081/scc-100103316
日期:2001.1
In situ generation of hydrogen iodide from methanesulphonic acid/sodium iodide in different solvents was found to be an attractive reagent system for the chemoselective conversion of various alcohols to their corresponding iodides. Moreover, treatment of benzylic and allylic alcohols with this reagent system, followed by substitution with azide ion, produced the corresponding azides in one pot in good
A Simple One-Pot Method for the Preparation of Allyl Azides from Allyl Alcohols Using Triphosgene: Synthesis of<i>N</i>1-Cinnamyl Azetidin-2-ones
作者:A. R. Deshmukh、A. Jayanthi、V. K. Gumaste
DOI:10.1055/s-2004-820046
日期:——
A simple and efficient one-pot method for the preparation of allyl azides fromallylalcohols using triphosgene and sodium azide is described. An application of cinnamyl azide for the synthesis of various Nl-cinnamyl azetidin-2-ones is also described.
A triazole-templated ring-closing metathesis for constructing novel fused and bridged triazoles
作者:Xuejun Zhang、Richard P. Hsung、Hongyan Li
DOI:10.1039/b701040k
日期:——
The feasibility of trapping the vinyl copper intermediate generated in situ from azide-[3 + 2] cycloadditions and viability of employing these triazoles as unique templates for ring-closing metathesis are described here; this work effectively combines the two powerful reactions for the first time to construct various de novo fused and bridged triazoles that are otherwise not trivial to synthesize.