Synthesis of Disulfides Containing a Corrinoid Head Group for Preparation of Self-Assembled Monolayers

The synthesis of three novel alkane disulfides with head-groups derived from vitamin B 1 2 , 14a, 14b and 15, is described. Self-assembled monolayers on gold are prepared from the symmetrical disulfide 15, bearing two cobyrinate head groups. The coating of the gold surface is analyzed by TOF-SIMS and ESCA measurements.