An enantiopure N,N,S scorpionate ligand derived from (+)-camphor??

Dalton Transactions Pub Date: 2008-11-25 DOI: 10.1039/B819596J

Abstract

Reductive S–S bond cleavage of a disulfide precursor 3 obtained from a pyridine-catalyzed Peterson-type reaction starting from camphorpyrazole 1, thionyl chloride and 2-methyl-2-(methyldithio)propionaldehyde yields 2,2′-bis(camphorpyrazol-1-yl)-2-methylpropane-2-thiol (HSiprbpm3cam, 4); the first zinc complexes bearing this ligand exhibit κ3 coordination of the ligand.

Graphical abstract: An enantiopure N,N,S scorpionate ligand derived from (+)-camphor
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