Selective Reduction of Nitrones and Nitroxides to Functionalized Secondary Amines
作者:Cecília P. Sár、Tamás Kálai、Nóra M. Bárácz、Gyula Jerkovich、Kálmán Hideg
DOI:10.1080/00397919508011423
日期:1995.10
Abstract Nitrones and nitroxides were selectively reduced with Fe/AcOH to secondary amines in the presence of different functional groups (aldehyde, nitrile, carboxylic ester, activated and nonactivated double or triple bonds).
Crosslinking 2,5-Dihydro-1<i>H</i>-pyrrol-1-yloxyl Spin-Label Reagents Bifunctionalized with Azidophthalimidyl and Methylthiosulfonyloxy Groups
作者:Tamás Kálai、Blanka Rozsnyai、Gyula Jerkovich、Kálmán Hideg
DOI:10.1055/s-1994-25641
日期:——
Oxy-Cope and ortho ester Claisen rearrangements of 5- and 6-membered N-oxyl radicals were carried out. The resulting more stable 5-membered bromo derivative 6 was used in the synthesis of bifunctionalized crosslinking photo- and thiol-label 12.