摘要:
The subject matter of the present invention is a process for preparing a polyol ether of formula (I), characterized in that it comprises a step of reductive alkylation involving a compound of general formula (II) and a compound of general formula (III): in which R 1 , R 2 , R 3 and R 4 are as defined in claim 1.
摘要:
The present invention relates to a method for preparing 1,2,3-trimethoxypropane from glycerol, in the presence of a methylating agent and a phase-transfer catalyst in a basic medium, to a composition including the 1,2,3-trimethoxypropane, and to the use thereof as a solvent for replacing a solvent used in the performance of a chemical reaction or as a reagent involved in said chemical reaction.
摘要:
The present invention concerns a method for preparing glycerol ether or glycol ether comprising the reaction of a compound of formula (II) with a compound of formula (III) in the presence of a heterogeneous acid catalyst of formulas (II) and (III).
摘要:
The invention relates to a method for preparing, by means of transcarbonation, a compound of formula (I), including reacting a polyol of formula (II) with an alkyl carbonate or an alkylene carbonate in the presence of a catalytic system consisting of a catalytic entity selected from among the rare earth oxides or the mixtures thereof, and optionally an inert substrate.