Preparation of a novel silica gel-adsorbed Brønsted acid catalyst for the solvent-free esterification of bromoacetic acid with benzyl alcohol
摘要:
A new bifunctional Bronsted acid catalyst that contains two sulfo groups was prepared. The adsorption of this new bifunctional Bronsted acid catalyst on silica gel made it possible to be reused 10 times without a loss of catalytic activity in the solvent-free esterification of bromoacetic acid with an equiv. of benzyl alcohol without the formation of dibenzyl ether. (C) 2012 Elsevier B.V. All rights reserved.
EMULSIFIED COMPOSITIONS OF 1,4-BIS(BROMOACETOXY)-2-BUTENE USEFUL AS A MICROBICIDE AND PRESERVATIVE
申请人:BUCKMAN LABORATORIES INTERNATIONAL, INC.
公开号:EP0835054A1
公开(公告)日:1998-04-15
SYNERGISTIC MICROBICIDAL COMPOSITIONS INCLUDING A CYANODITHIOCARBIMATE AND A SECOND MICROBICIDE, AND METHODS OF USING THE SAME
申请人:BUCKMAN LABORATORIES INTERNATIONAL, INC.
公开号:EP2094090A2
公开(公告)日:2009-09-02
MICROBICIDAL COMPOSITIONS INCLUDING ACTIVATED NITROGENOUS COMPOUND AND 1,4-BIS (BROMOACETOXY)-2-BUTENE, AND METHODS OF USING THE SAME
申请人:BUCKMAN LABORATORIES INTERNATIONAL, INC.
公开号:EP2385759A2
公开(公告)日:2011-11-16
Microbicidal Compositions Including A Cyanodithiocarbimate And A Second Microbicide, And Methods of Using The Same
申请人:Bryant Stephen D.
公开号:US20080102094A1
公开(公告)日:2008-05-01
Microbicidal compositions including (a) cyanodithiocarbimate and (b) an N-alkyl heterocyclic compound; a triazole compound or salt thereof or metal complex thereof; a microbicide with an activated halogen atom or a formaldehyde releasing compound; 1,4-bis(bromoacetoxy)-2-butene; 2-(thiocyanomethylthio)benzothiazole; a methylene-bis(thiocyanate); a halogenated acetophenone; a halopropynl compound; an iodosulfone; a phenol; a halocyanoacetamide compound and/or a quaternary ammonium compound are described. Components (a) and (b) can be present in a synergistically effective amount to control the growth of at least one microorganism. Methods for controlling the growth of microorganisms with the compositions are also disclosed.
Microbicidal Compositions Including Activated Nitrogenous Compound and 1,4-Bis(Bromoacetoxy)-2-Butene, and Methods Of Using The Same
申请人:Marais Deborah A.
公开号:US20100173018A1
公开(公告)日:2010-07-08
Microbicidal compositions for aqueous systems are provided that include (a) a nitrogenous compound activated by an oxidant or an enzyme and (b) 1,4-bis(bromoacetoxy)-2-butene (BBAB). The components are present in a combined amount synergistically effective to control the growth of at least one microorganism. Methods for controlling the growth of microorganisms in aqueous systems with the compositions are also provided.