Topic summary
Glycol
Extracted from the Wikipedia article Diol.
1,4-, 1,5-, and longer diols
Bouveault-Blanc reduction of the diesters of long chain dicarboxylic acids affords the diterminal diols HOCH2(CH2)nCH2OH for heptamethylene glycol (n = 5), nonamethylene glycol (n = 7), decamethylene glycol (n = 8), tridecamethylene glycol (n = 11), tetradecamethylene glycol (n = 12),octadecamethylene glycol (n = 16).