CAS: 126-58-9; 2,2'-(Oxybis(Methylene))Bis(2-(Hydroxymethyl)Propane-1,3-Diol)

相似化合物

32288-04-3 1471-17-6 23235-61-2

上下游产品

CAS号50-00-0 甲醛 | CAS号64-18-6 甲酸 | CAS号75-07-0 乙醛 | CAS号115-77-5 季戊四醇 | CAS号107-02-8 丙烯醛 | CAS号214144-11-3 Hexatosylate di... | CAS号67-56-1 甲醇 | CAS号78-85-3 2-甲基丙烯醛 | CAS号77-85-0 三羟甲基乙烷 | CAS号29570-58-9 聚二季戊四醇六丙烯酸酯 | CAS号7575-23-7 四(3-巯基丙酸)季戊四醇酯 | CAS号33250-21-4 dipentaerythrit... | CAS号10193-99-4 季戊四醇四巯基乙酸酯 | CAS号13184-80-0 3-(Nitrooxy)-2-... | CAS号7456-83-9 2-(2-oxoethoxy)...

季戊四醇置于硫酸体系中,用 环丁砜 用作溶剂,化学反应 1.0H,以21%的收率获得双季戊四醇
参考文献:酸性条件下由季戊四醇合成二季戊四醇
标题:酸性条件下由季戊四醇合成二季戊四醇
摘要:在酸性条件下研究了由季戊四醇(pe)直接合成二季戊四醇(dpe)的方法.在间歇式反应器中优化反应参数后,当转化50%pe时,Dpe的选择性为50%.在175oc下将pe悬浮在环丁砜中(pe /环丁砜比= 2333 G / L)60分钟的过程中,需要少量的硫酸(0.5 Mol%).优化的条件转入140克规模的过程.最后,分离出dpe的收率为16%(72%气相色谱,Gc纯度),相当于28%的pe转化率,相当于57%的dpe选择性.
Doi:10.1021/acs.Oprd.0C00269

专利信息

专利号:US-8067633-B2
优先权日:2006-12-05
标 题:Method for the synthesis of (meth)acrylic esters catalysed by a polyol titanate
发明人：PAUL JEAN-MICHEL
权利人:PAUL JEAN-MICHEL; ARKEMA FRANCE
摘要:The subject of the invention is a method for the synthesis of (meth)acrylic esters by transesterification in the presence of a catalyst corresponding to the formula [(R′O) 3 Ti] x R″ in which R′ is a linear or branched alkyl radical having from 2 to 8 carbon atoms which may contain heteroatoms or R′ is a phenyl radical, R′ is a polyfunctional radical, originating from a polyol R′(OH) x comprising x alcohol functional groups and x is an integer ranging from 2 to 6. The method according to the invention is particularly well suited to the synthesis of dialkylaminoalkyl (meth)acrylates from methyl (meth)acrylate and a dialkylaminoalcohol.

专利号:US-5939304-A
优先权日:1997-06-05
标题:Method for synthesis of anhydrothrombin
发明人：SUZUKI TOYOAKI; HOSOKAWA KAZUYA; NAGATA MASANORI
权利人:FUJIMORI KOGYO CO
摘要:A method for a synthesis of anhydrothrombin is provided which features a short process, an easy procedure, and high yields. n The method comprises n (A) a step of causing an active serine residue site of thrombin to react with an inhibitor, n (B) a step of performing an alkali treatment at a pH of not less than 11, and n (C) a step of performing an operation of recovery, and carries out these steps sequentially in the order mentioned, and is characterized by causing at least the step of performing the operation of recovery to proceed in the presence of at least one compound selected from the group consisting of polyhydric alcohols and saccharides, and a salt or an amphoteric electrolyte.

专利号:WO-9900440-A1
优先权日:1997-06-26
标 题:Synthesis of a dendritic polyalcohol
发明人：IHRE HENRIK; HULT ANDERS
权利人:PERSTORP AB; IHRE HENRIK; HULT ANDERS
摘要:A process for a double stage convergent synthesis of a polymeric polyalcohol substantially and preferably built up from polyester units and composed of a monomeric or polymeric core to which at least one hyperbranched dendritic branch (dendron) consisting of a number of branching generations is added. The branching generations comprise a polymeric or monomeric branching chain extender having three reactive functions of which two are hydroxyl groups and one is a carboxyl group. The two hydroxyl groups of the branching chain extender is in a first step ketal protected by reacting said two hydroxyl groups with a ketal. A second step includes protection of the carboxyl group of said branching chain extender. The ketal protected branching chain extender and the carboxyl protected chain extender are then employed for repeated addition in a number of step yielding a predetermined number of branching generations. The thus synthesized dendron is finally added to a core having reactive hydroxyl or epoxide groups and the ketal protected hydroxyl groups are optionally deprotected.

专利号:US-8105809-B2
优先权日:2008-07-03
标题 :Enzymatic synthesis of acetoacetate esters and derivatives
发明人：HENDERSON SAMUEL T
权利人:HENDERSON SAMUEL T; ACCERA INC
摘要:In one embodiment, the present invention includes a method for the synthesis of an ester derivative of acetoacetate. The method includes providing a first ester of acetoacetate and providing an alcohol. The method further includes combining the first ester of acetoacetate and the alcohol in the presence of an enzyme capable of transesterification in a non-aqueous solvent to form the ester derivative of acetoacetate. The method results in the formation of the ester derivative of acetoacetate, which, in one embodiment, is monoacetoacetin.

专利号:US-6211329-B1
优先权日:1997-06-26
标题:Process for preparation of a dendritic polyol
发明人：REHNBERG NICOLA; PETTERSSON BO; ANNBY ULF; MALMBERG MATS
权利人:PERSTORP AB
摘要:A process for synthesis of a polymeric polyalcohol substantially and preferably built up form polyester units and composed of a monomeric or polymeric initiator molecule to which at least one dentritic branch (dendron) consisting of a number of branching generations is added. The branching generations comprise a polymericor monomeric branching chain extender having three reactive functions of which two are hydroxyl groups. The two hydroxyl groups of the ranching chain extender is acetal protected by reaction between said two hydroxyl groups and an acetal-forming carbonyl compound, preferably an aldehyde. The acetal protected branching chain extender is then employed for addition to the initiator molecule of a first branching generation followed by an optional deprotection of the hydroxyl groups by decomposition of acetals and for addition in repeated steps of further branching generations. Additions of branching generations individually employ an acetal protected branching chain extender synthesized from the same or a different branching chain extender and/or acetal-forming carbonyl compound and addition of a branching generation is optionally followed by addition of a spacing generation.

专利号:US-2025011531-A1
优先权日:2020-06-25
标 题:Synthesis of environmentally degradable alkyl polyesters
发明人：PARK KINAM; GARNER JOHN SOLOMON
权利人:AKINA INC
摘要:A solid crosslinked polyester composition that is environmentally degradable in less than about 180 days. The crosslinked polyester can be the polyesterification reaction product between one or more multi-hydroxylic alcohols, one or more hydroxy acids, and one or more multi-carboxylic acid compounds. Alternately, the crosslinked polyester can be the polyesterification reaction product of one or more multi-hydroxylic alcohols, one or more hydroxy acids, one or more multi-carboxylic acid compounds, and a cyclic ester. Provided, however that if the one or more hydroxy acids has only one carboxyl group, it has two or more hydroxyl groups, and if the one or more hydroxy acids has only one hydroxyl group, it has two or more carboxyl groups.