Starting from paramagnetic benzaldehyde, a benzophenone-type photoactivable spin label,
paramagnetic warfarin and phenindione were synthesized. Nitration of protected benzylic
alcohol led to 2-nitrobenzylmethanethiosulfonate, a thiol specific spin label, and
2-nitroaldehyde, which was a key compound for paramagnetic indigo, salicylic acid
and nifedipine.
anticoagulant - free radicals - drugs - indole - pyridines