SYNTHESIS AND MASS SPECTRA OF 4-O-ACETYL-1,5-ANHYDRO-2,3,6-TRI-O-ETHYL-D-GLUCITOL AND THE POSITIONAL ISOMER OF 4-O-ACETYL-1,5-ANHYDRO-DI-O-ETHYL-O-METHYL-D-GLUCITOL AND 4-O-ACETYL-1,5-ANHYDRO-O-ETHYL-DI-O-METHYL-D-GLUCITOL

Article abstract of DOI:10.1016/0008-6215(88)84091-6

Reductive cleavage of fully methylated, partially O-ethylated cellulose or fully ethylated, partially O-methylated cellulose and subsequent acetylation had previously been shown to produce 4-O-acetyl-1,5-anhydro-2,3,6-tri-O-methyl-, -6-Oethyl-2,3-di-O-methyl-, -3-O-ethyl-2,6-di-O-methyl-, -2-O-ethyl-3,6-di-O-methyl-, -2,3,di-O-ethyl-6-O-methyl-, -2,6-di-O-ethyl-3-O-methyl-, -3,6-di-O-ethyl-2-O-methyl-, and -2,3,6-tri-O-ethyl-D-glucitol.Described herein is the independent synthesis of these derivatives, except for the first (which had been reported); and their (1)H-n.m.r. spectra, chemical-ionization (NH3) mass spectra, and electron-impact mass spectra are tabulated.