[EN] PROCESS FOR THE SYNTHESIS OF FLUORALKYL SULFONATE SALTS<br/>[FR] PROCÉDÉ DE SYNTHÈSE DE SELS DE SULFONATE DE FLUORALKYLE
申请人:SOLVAY SPECIALTY POLYMERS IT
公开号:WO2015049239A1
公开(公告)日:2015-04-09
A process for the preparation of the fluoroalkyl sulfonate salt of a nitrogen-based organic base said process comprising the step of reacting a fluoroalkyl sulfonyl halide with an organic base selected from the group consisting of tertiary amines, pyridines, amidines and guanidines.
In one embodiment, a continuous process for preparing organic carbonate solvent of Formula (I) as described herein comprises contacting a first reactant (an alcohol) with a reactive carbonyl source (carbonyldiimidazole (CDI) or an alkylchloroformate) in the presence of a catalyst in reaction stream flowing through a continuous flow reactor at temperature 20° C. to about 160° C. and at a flow rate providing a residence time in the range of about 0.1 minute to about 24 hours; collecting a reactor effluent exiting from the continuous flow reactor; recovering a crude product from the reactor effluent; and distilling the crude product to obtain the organic carbonate compound of Formula (I). In another embodiment, the first reactant is an epoxide and the carbonyl source is carbon dioxide.
Method for preparing bis-(silylalkyl)carbonate esters
申请人:UCHICAGO ARGONNE, LLC
公开号:US10556917B1
公开(公告)日:2020-02-11
Carbonate esters of Formula (I): (R1)(R2)(R3)Si—R4—O—C(═O)—O—R4—Si(R1)(R2)(R3) are prepared by reaction of a silyl-substituted alcohol of Formula (II): (R1)(R2)(R3)Si—R4—OH with an activated carbonyl compound of Formula (III): C(═O)Z2 in the presence of a catalyst (e.g., an bicyclic amidine, a bicyclic guanidine, or a phosphazene) in an aprotic solvent. In Formulas (I) and (II) each of R1 and R2 independently is alkyl; R3 is alkyl or —X1—Si(R5)(R6)(R7); X1 is O or alkylene; R4 is alkylene; and each R5, R6, and R7 independently is alkyl. In Formula (III), Z is 1-N-imidazolyl or 1-N-succinimidyl. In some embodiments, the catalyst used in the methods described herein comprises at least one base selected from the group consisting of a bicyclic amidine and a bicyclic guanidine. The reaction proceeds readily under both bulk and continuous flow reactor conditions.
There are provided compounds of formulas (VA), (VIA), (VIIA) (IXA), (XIA), (XIIA), (XIIIA), and (XIVA):
wherein A, Z, R
2
, X
−
, and L
2
represent various different possibilities.
There are provided compounds of formulas (VA), (VIA), (VIIA) (IXA), (XIA), (XIIA), (XIIIA), and (XIVA):
wherein A, Z, R
2
, X
−
, and L
2
represent various different possibilities. Methods for using such compounds are also provided.