Crosslinking 2,5-dihydro-1H-pyrrol-1-yloxyl spin-label reagents bifunctionalized with azidophthalimidyl and methylthiosulfonyloxy groups

Article abstract of DOI:10.1055/s-1994-25641

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.