Triethyl Orthoacetate

(1; R = Et) [78-39-7] C8H18O3 (MW 162.26) InChI = 1S/C8H18O3/c1-5-9-8(4,10-6-2)11-7-3/h5-7H2,1-4H3 InChIKey = NDQXKKFRNOPRDW-UHFFFAOYSA-N (2; R = Me) [1445-45-0] C5H12O3 (MW 120.17) InChI = 1S/C5H12O3/c1-5(6-2,7-3)8-4/h1-4H3 InChIKey = HDPNBNXLBDFELL-UHFFFAOYSA-N (diethyl acetal of ethyl acetate; provides γ,δ-unsaturated ethyl esters from α,β-unsaturated alcohols through the Claisen rearrangement; converts diols to epoxides of the same relative stereochemistry; gives 2-methyl-1,3-heteroatom ring systems) Physical Data: (1) bp 144–146 °C; d = 0.8847 g cm−3; (2) bp 107–109 °C; d = 0.9438 g cm−3.