PHYSICAL CONSTANTS AND ESTIMATION OF STEREOISOMERIC 2,3-BUTANEDIOLS
- 1 October 1951
- journal article
- Published by Canadian Science Publishing in Canadian Journal of Chemistry
- Vol. 29 (10) , 885-894
- https://doi.org/10.1139/v51-103
Abstract
The refractive index – temperature relation for optically active and racemic diols is linear, with from 25° to 40°C.: for the meso-isomer from 25° to 50°C. The specific rotation . Measurements of and in suitably purified mixtures of stereoisomers allow calculation of the percentage of each isomer present. Tests of the method on known mixtures of all three stereoisomers show an experimental error of ±3%. Analyses of five diol samples from pilot plant fermentations of beet molasses by Aerobacter aerogenes reveal 65–87% meso-, from 2 to 16% dextro-, and from 0 to 33% racemic 2,3-butanediol.Keywords
This publication has 5 references indexed in Scilit:
- Preparation and Hydrolysis of Some Acetals and Esters of D(—)-2,3-ButanediolJournal of the American Chemical Society, 1950
- Efficient and Versatile Laboratory Fractionation Column AssemblyIndustrial & Engineering Chemistry Analytical Edition, 1945
- Stereochemical Relationships of the Isomeric 2,3-Butanediols and Related Compounds; Evidence of Walden InversionJournal of the American Chemical Society, 1936
- A precision pyncometer for liquidsIndustrial & Engineering Chemistry Analytical Edition, 1936
- Vapor Pressures of Certain GlycolsJournal of the American Chemical Society, 1935