Free accessResearch articleFirst published online 2006-10
Synthesis,Structure and Reactivity of New Solvent (MeOH or Me 2 SO) Coordinated Rh(III) Complexes: A Cyclic Series of Chemical Transformations Involving RhCl 3 -mediated azo Cleavage
Reaction of RhCl3.3H2O with 2-(phenylazo) aniline, HL–NH2, in boiling methanol afforded three products [RhCl2 (L–NH2)(HL–NH2)], 1, [RhCl2(L–NH2)(H2NPh)] 2, and [RhCl2(L–NH2)(MeOH)], 3. The sequential transformation of 1 to 2 followed by 3 has been established where the –N=N– cleavage occurs during the conversion of 1 to 2. Further, treatment of 3 with HL–NH2 in dichloromethane furnished 1 to complete a reaction cycle.
AlonsoF., and YusM., Chem. Soc. Rev., 2004, 33, 284.
2.
NewboldB.T., In The Chemistry of the Hydrazo, Azo, and Azoxy Groups, PataiS. Ed, J. Wiley and Sons, New York, 1975. p. 382.
3.
MajumderK., PengS.-M., and BhattacharyaS., J. Chem. Soc., Dalton Trans., 2001, 284.
4.
GhoshA.K., MajumdarP., FalvelloL.R., MostafaG., and GoswamiS., Organometallics., 1999, 18, 5086 and references therein.
5.
PetillonF.Y., SchollhammerP., TalarminJ., and MuirK.W., Inorg. Chem., 1999, 38, 1954.
6.
AubartM.A., and BergmanR.G., Organometallics., 1999, 18, 811.
7.
PratiharJ., MaitiN., and ChattopadhyayS., Inorg. Chem., 2005, 44, 6111, and references therein.
8.
MaitiN., PalS., and ChattopadhyayS., Inorg. Chem., 2001, 40, 2204, and references therein.
9.
SheldrickG.M., SHELXS-97 AND SHELX-97, Fortran Programs for Crystal Structure Solution and refinement, University of Gottingen, Gottingen, Germany, 1997.