CAS: 4043-59-8; 1,3-Diethoxypropan-2-Ol

上下游产品

ethanol 1,3-Dichloro-2-propanol glycerol-1.3-divinyl ether 1,3-diethoxypropan-2-one 1,3-diethoxypropan-2-one quinoline 5-Jod-isophthalsaeure-bis-1,3-diaethoxy-propyl-(2)-ester Thiophosphoric acid O-(2-ethoxy-1-ethoxymethyl-ethyl) ester O'-methyl ester O''-(4-nitro-phenyl) ester

甘油-1,3-二乙烯基醚置于乙醇,镍体系中,化学反应生成 1,3-二乙氧基-2-丙醇
参考文献:Schostakowski; Gratschewa,Zhurnal Obshchei Khimii,1949,Vol. 19,P. 1253,1254
标题:Schostakowski; Gratschewa,Zhurnal Obshchei Khimii,1949,Vol. 19,P. 1253,1254

专利信息

专利号:US-4503252-A
优先权日:1979-09-10
标题:Process for the preparation of serinol and of serinol derivatives, and products obtained therefrom
发明人：FELDER ERNST; BIANCHI SERGIO; BOLLINGER HEINRICH
权利人:EPROVA AG
摘要:A method for the synthesis of serinol and serinol derivatives substituted at the nitrogen atoms by reacting a lower 1,3-dialkoxy-isopropyl halide with ammonia or an amine to form a 1,3-dialkoxy-isopropylamine and then removing the ether groups by heating with a hydrogen halide acid. The method allows the production of serinol and serinol derivatives using inexpensive starting materials in a simple manner and obtaining a high purity product which is free of interfering isomers. Novel compounds obtained by the method which are useful as pharmaceutical intermediates, X-ray contrasting agents and cytostatic or psychopharmacological drugs are also disclosed.

专利号:US-4466900-A
优先权日:1981-09-22
标 题:Process for the preparation of fluorescent brightener formulations which are stable on storage
发明人：HORLACHER PAUL; PFENNINGER HEINZ
权利人:CIBA GEIGY CORP
摘要:A process is described for the preparation of concentrated liquid formulations, stable on storage, of anionic fluorescent brighteners, which process consists in passing a crude (for example obtained from synthesis) aqueous solution or dispersion of a fluorescent brightener containing sulfo groups, in particular a stilbene fluorescent brightener belonging to the group comprising bistriazinylaminostilbenedisulfonic acids, bis-styrylbiphenyls, bis-styrylbenzenes and bis-triazolylstilbenedisulfonic acids, is passed through a semipermeable membrane which contains ionic groups and has a pore diameter of 1-500 ANGSTROM in order to remove salts and by-products from the synthesis having molecular weights below 500 and in order to remove part of the water. The resulting concentrated preparation can, if desired, be concentrated further and/or treated with formulation assistants and, if desired, further additives.

专利号:US-11491263-B2
优先权日:2017-06-01
标 题:Controllable ion release calcium particles, method for producing same and use thereof
发明人：ENGEL LOPEZ ELISABETH; CASTANO LINARES OSCAR; MARTI MUNOZ JOAN; PLANELL ESTANY JOSEP ANTON
权利人:FUNDACIO INST DE BIOENGINYERIA DE CATALUNYA IBEC; UNIV CATALUNYA POLITECNICA
摘要:The present invention refers to a method for the synthesis of a biodegradable calcium release material that shows controlled ion release properties for tissue engineering, biomaterials containing the calcium particles as well as the calcium particles obtainable therefrom. By varying the treatment temperature of the described method, the calcium material shows different calcium release profiles. Contrary to a specific chemical composition such as CaCO 3 which is associated to a specific calcium release profile, the present invention allows a manifold of compositions, with a manifold of calcium release profiles, all starting from a single specific chemical composition calcium precursor. Therefore, the invention also relates to the use of the controllable release, calcium material in tissue regeneration such as wound healing processes.

专利号:WO-2024148707-A1
优先权日:2023-01-13
标 题:Polyimide precursor and synthetic method therefor, and photosensitive resin composition comprising polyimide precursor
发明人：WANG ZHOUDONG; SHAN LIANG; HE CHUAN; Zhou Xuanzhi; ZHANG GUOPING; SUN RONG
权利人:SHENZHEN INSTITUTE OF ADVANCED ELECTRONIC MAT
摘要:Disclosed in the present invention are a polyimide precursor and a synthetic method therefor, and a photosensitive resin composition comprising the polyimide precursor. The synthesis method comprises: in a solvent, reacting a dianhydride, an alcohol having a free radical polymerizable unsaturated double bond, and a side-chain modifier under the catalysis of a basic catalyst; adding a dehydration condensation agent thereto, and stirring the mixture; adding a diamine thereto for reaction, finally adding an end-capping agent to quench the reaction, and filtering the mixture; and adding the filtrate to a poor solvent within 0-2 h, precipitating a solid polyimide precursor resin, and refrigerating same, wherein the side-chain modifier is selected from any one or more of an alcohol side-chain modifier, an ether alcohol side-chain modifier and an amine side-chain modifier; and the end-capping agent is selected from any one or more of an alcohol end-capping agent, an ether alcohol end-capping agent and an amine end-capping agent. On the basis of not changing the main structure of the polyimide precursor, the present invention improves the dissolvability of the functional resin, controls the dissolution rate thereof, and ensures the performance of the final polyimide film after the functional resin has been heated and cured.

专利号:US-4500321-A
优先权日:1980-06-04
标 题:Process for the preparation of concentrated fluid dye compositions
发明人：HUGELSHOFER PAUL; BRUTTEL BEAT; PFENNINGER HEINZ; LACROIX ROGER
权利人:CIBA GEIGY CORP
摘要:A process for the preparation of storage-stable concentrated fluid dye compositions of water-soluble dyes, wherein an aqueous solution or suspension of at least one anionic crude dye is passed over a semi-permeable membrane containing ionic groups and having a pore diameter of 1 to 500 ANGSTROM , to remove salts and synthesis by-products of molecular weights less than 500 and to partially remove water, optionally dried, and mixed with a water-miscible organic solvent and, if desired, further additives, before and/or after passage over the semi-permeable membrane. The fluid dye compositions obtained are particularly suitable for use in spray solutions for dyeing leather, as well as for the dying and printing of textile materials, in particular cellulosic fibres.

专利号:CN-109608450-A
优先权日:2012-05-31
标题:The synthesis of pyrrolo- [2,3-B] pyridine