The present invention provides sulfoxide compounds comprising hydrophobic ester or amide moieties such that the compounds have surfactant properties. Also provided are methods for using the sulfoxide compounds or mixtures of the sulfoxide compounds in a variety of applications.
The present invention provides sulfoxide compounds comprising hydrophobic ester or amide moieties such that the compounds have surfactant properties. Also provided are methods for using the sulfoxide compounds or mixtures of the sulfoxide compounds in a variety of applications.
Process for preparing esters of lactic acid, and 2-hydroxy-3-butenoic acid or α-hydroxy methionine analogues from sugars
申请人:Haldor Topsøe A/S
公开号:US10100007B2
公开(公告)日:2018-10-16
A continuous flow process for the preparation of one or more esters of lactic acid and 2-hydroxy-3-butenoic acid or α-hydroxy methionine analogs from a sugar in the presence of a solid Lewis acid catalyst and a solvent comprising an organic solvent and water. The invention provides a means for stabilizing a Lewis acid catalyst for use in a continuous reaction process wherein the water is present in an amount of up to or equal to 10 vol. % of the organic solvent.
Process for the preparation of methionine alpha-hydroxy analogues from sugars and derivatives thereof
申请人:HALDOR TOPSØE A/S
公开号:US10189778B2
公开(公告)日:2019-01-29
A process for the preparation of methionine a-hydroxy analogue and derivatives thereof comprising contacting one or more sugars or derivatives thereof with a metallo-silicate composition in the presence of a compound comprising sulphur and a solvent.
Methods for using sulfur-containing compounds comprising short chain aliphatic ester or amide moieties as solvents and compositions comprising these compounds are provided.