Barton Deoxygenation (Barton-McCombie Reaction)

D. H. R. Barton, S. W. McCombie, Perkin Trans. I 1975, 1574.

Deoxygenation of alcohols via their thiocarbonyl derivatives which undergo free radical scission upon treatment with tri-n-butyl hydride:



Mechanistic study: J. E. Forbes, S. Z. Zard, Tetrahedron Letters 30, 4367 (1989). Review: M. Pereyre et al., Tin in Organic Synthesis (Butterworths, Boston, 1987) pp 84-96. Review of methodological improvements, particularly the replacement of tri-n-butyltin hydride with silicon hydrides: C. Chatgilialoglu, C. Ferreri, Res. Chem. Intermed. 19, 755-775 (1993).