CAS: 1874-62-0; 3-Ethoxy-1,2-Propanediol

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CAS号557-31-3 烯丙基乙基醚 | CAS号64-17-5 乙醇 | CAS号56-81-5 甘油 | CAS号80-05-7 双酚a | CAS号141-52-6 乙醇钠 | CAS号2463-45-8 1,3-Dioxolan-2-... | CAS号96-24-2 3-氯-1,2-丙二醇 | CAS号359-48-8 Peroxytrifluoro... | CAS号74-96-4 溴乙烷 | CAS号96-23-1 1,3-二氯丙醇 | CAS号22056-82-2 ETHOXYACETALDEHYDE | CAS号62908-44-5 3-ethoxypropane...

乙基烯丙基醚置于quinuclidine * Osmium Tetraoxide,Oxotrimesityliridium(V) 水,氧气体系中,用 四氢呋喃 用作溶剂,化学反应 168.0H,反应生成3-乙氧基-1,2-丙二醇
参考文献:晚期金属中心之间的超快和超慢氧原子转移反应
标题:晚期金属中心之间的超快和超慢氧原子转移反应
摘要:Oxotrimesityliridium(V),(Mes)3Ir=o (Mes = 2,4,6-Trimethylphenyl) 和trimesityliridium(III),(Mes)3Ir,在室温下经历极快的简并金属间氧原子转移.在低温下,这两种配合物会形成 (Mes)3Ir-O-Ir(Mes)3,其 2,6-二甲基苯基类似物已通过晶体学表征.Mu-氧代二聚体解离速率的变温 NMR 测量值与低温光谱法的配比平衡测量值表明,铱 (V) 和铱 (III) 之间的氧原子交换以速率常数发生,外推到 20 摄氏度,5 X 107 M-1 S-1.Oxotris(Imido)Osmium(Viii) 配合物 (Arn)3Os=o(ar = 2,6-二异丙基苯基)也经历简并金属间原子转移到其脱氧伙伴,(Arn)3Os.然而,尽管其金属-氧键强度和对三苯基膦的反应性与 (Mes)3Ir=o 几乎相同,锇络合物
Doi:10.1021/ja065713H

专利信息

专利号:US-2024368099-A1
优先权日:2022-01-18
标 题:Methods for the synthesis of di(hydroxymethyl)tetrahydrofuran and its application in polyesters and polyurethanes
发明人：SPIEGELBERG BRIAN; BRANDT ADRIAN; BECK HORST; KUX ALEXANDER; TIN SERGEY; DE VRIES JOHANNES GERARDUS
权利人:HENKEL AG & CO KGAA
摘要:The present invention relates to the synthesis of di(hydroxymethyl)tetrahydrofuran (DHMTHF) and the preparation of trans-enriched mixtures of DHMTHF. The invention further refers to polyester polyols which are obtained by reaction of cis/trans DHMTHF mixtures with a dicarboxylic acid. The invention further relates to polyurethanes and compositions containing a polyester polyol comprising DHMTHF, in particular to such polyurethane-containing (adhesive) compositions.

专利号:US-9950988-B2
优先权日:2012-12-26
标题:Method for the synthesis of alpha/alpha-prime-alcoxylated glycerol linear carbonic esters
发明人：LEISING FRéDéRIC; MOULOUNGUI ZéPHIRIN
权利人:CHRYSO; INST NAT POLYTECHNIQUE TOULOUSE; INST NAT DE LA RECH AGRONOMIQUE INRA
摘要:A method for the synthesis of α/α′-alcoxylated glycerol linear carbonic esters, wherein the following are brought into contact at a reaction temperature lower than 220° C.: a quantity of at least one precursor selected from the group consisting of α/α′-alcoxylated glycerol cyclo-carbonates; a quantity of at least one catalyst selected from the group consisting of metal oxides, Lewis acids, organometallic catalysts and mineral bases; and a quantity of at least one organic primer. A composition containing at least one novel α/α′-alkoxylated glycerol linear carbonic ester.

专利号:US-11479466-B2
优先权日:2014-08-08
标题:Methods for synthesis of graphene derivatives and functional materials from asphaltenes
发明人：TANIMOLA OLANREWAJU W
权利人:TANIMOLA OLANREWAJU W
摘要:Embodiments described are directed to methods for the functionalization of asphaltene materials and to compositions made from functionalized asphaltenes. Disclosed is a method for synthesizing graphene derivatives, such as 2D single crystalline carbon allotropes of graphene and functional materials, such as sulfonic acid and its derivatives. Also disclosed is a method for the transformation of asphaltene into a source of graphene derivatives and functional materials, such as, 0D, 1D, 2D and combinations of 0D and 1D by utilizing chemical substitution reaction mechanism, such as, electrophilic aromatic substitution, nucleophilic aromatic substitution and Sandmeyer mechanism. Also disclosed are novel graphene materials comprising: acetylenic linkage and hydrogenated graphene. These novel materials, which may be produced by these methods, include, e.g.: 2D single crystalline carbon allotropes of graphene with asymmetric unit formulas C7H6N2O4, C6H4N2O4, C7H7O3S− H3O+, C7H7O3SH+, and a 2D single crystal with asymmetric unit formula (Na6O16S4)n.

专利号:US-2024083909-A1
优先权日:2022-09-09
标题:2d non-carbon nanomaterials and applications thereof
发明人：TANIMOLA OLANREWAJU
权利人:TANIMOLA OLANREWAJU
摘要:The present invention discloses methods for synthesis of 2D non-carbon nanomaterials or 2D complex oxides from materials with complex structure e.g. asphaltenes. It discloses a composition comprising a network of one or more 2D non-carbon nanomaterials having a lattice structure. The lattice structure is selected from an orthorhombic system, monoclinic system, triclinic system. The lattice structure is formed by (ASU)n, where ASU is asymmetric unit and n>=1, where ASU is (TxLyMz) where T is an alkaline metal, L is a chalcogen, O is oxygen, x>=5, y>=2, z>=8. The lattice structure is formed by (ASU)n, where ASU is asymmetric unit and n>=1, where ASU is (TxLyMz H) where T is an alkaline metal, L is a chalcogen, O is oxygen, x>=1, y>=1, z>=5. Examples of the disclosed composition are a network of one or more 2D nanostructures having an asymmetric unit of NaSO5H or Na2S2O8.

专利号:US-4272507-A
优先权日:1978-05-24
标 题:Phenylaminothiophenacetic acids, their synthesis, compositions and use
发明人：FIGALA VOLKER
权利人:BYK GULDEN LOMBERG CHEM FAB
摘要:Phenylaminothiophenacetic acids of formula I (I) wherein R1 denotes a hydrogen atom, a chlorine atom, a bromine atom or a methyl group, R2 denotes a -CH2-COOH group or a -CH2-COOR6 group, R3 denotes a hydrogen atom, a halogen atom, an alkyl group, an alkoxy group or a trifluoromethyl group, R4 has one of the meanings of R3, R5 denotes a hydrogen atom, a halogen atom or an alkyl group, R6 denotes an alkyl group (with from 1 to 5 carbon atoms), which is optionally substituted by hydroxyl, hydroxyalkoxy or alkanoyloxy groups, or a benzyl group and n denotes 1 or 2, and salts of the acids have outstanding antiphlogistic, analgesic and antipyretic activities.

专利号:CN-1656110-A
优先权日:2002-05-28
标题:Stepwise Synthesis of Purified, Partially Esterified Polyol Polyester Fatty Acid Compositions