CAS: 102-09-0; Diphenyl Carbonate

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553-17-3 59483-84-0 5676-71-1

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Butyl Phenyl Carbonate置于zinc/titanium Binary Composite Calcined At 400 oc体系中,190.0 °C,3.0 Kpa 条件下,反应 9.0H,以32%的收率获得碳酸二苯酯
参考文献:使用方形zn-Ti-O纳米板作为固体酸催化剂,由碳酸二丁酯和苯酚高效合成碳酸二苯酯†
标题:使用方形zn-Ti-O纳米板作为固体酸催化剂,由碳酸二丁酯和苯酚高效合成碳酸二苯酯†
摘要:方形的zn / Ti氧化物是通过共沉淀法制备,并用于碳酸二苯酯(dpc)的合成通过碳酸二丁酯(dbc)与苯酚的酯交换反应.结果表明,在存在3Znti-400(zn:Ti摩尔比为3:1)的情况下,在205oc时,碳酸丁苯酯(bpc)的收率为51%,Dpc的收率为13%.此外,发现3Znti-400还是bpc向dpc歧化的活性催化剂,并且在190oc下获得了80%的bpc转化率.所制备的催化剂可以再用于酯交换反应的三个运行而没有明显的失活.通过xrd,Sem,Xps和tpd对催化剂进行了表征,旨在建立催化性能与结构之间的关系.
Doi:10.1039/c5Ra17655G

专利信息

专利号:EP-1108724-B1
优先权日:1996-01-16
标题 :Synthesis of methoxy nucleosides and enzymatic nucleic acid molecules
发明人：WINCOTT FRANCINE; BEIGELMANN LEONID; MATULIC-ADAMIC JASENKA; USMAN NASSIM; HAEBERLI PETER; KARPEISKY ALEXANDER; SWEEDLER DAVID; JARVIS THALE; DIRENZO ANTHONY
权利人:SIRNA THERAPEUTICS INC
摘要:This invention relates to chemical synthesis of 2'-O-methyl, 3'-O-methyl and 5'-O-methyl nucleosides, incorporation of novel chemical modifications in enzymatic nucleic acid molecules and improved methods for the synthesis of enzymatic nucleic acid molecules.

专利号:US-10597358-B2
优先权日:2015-01-16
标题:Synthesis of carbamate or urea compounds
发明人：VAN DER HEIJDEN ANTONIUS EDUARD DOMINICUS MARIA; VAN GEEST ERIK; VAN DEN ELSHOUT JOS JOHAN MATTHIJS HUGO
权利人:TNO
摘要:The invention pertains to the synthesis of carbamate and urea compounds. In particular the invention is directed to the synthesis of carbamate and urea compounds which may be used in the production of compounds that are used to stabilize nitrocellulose. The method of the invention comprises preparing a carbamate or urea derivative comprising reacting an amine and a carbonate or carbamate in the presence of an ionic liquid.

专利号:US-4895922-A
优先权日:1988-05-05
标 题 :Low temperature synthesis of polyesteramides
发明人：OGATA NAOYA
权利人:GOODYEAR TIRE & RUBBER
摘要:This invention disclosed a process for the synthesis of polyesteramides. By utilizing the phosphorus containing catalyst systems of the present invention, such polyesteramides can be synthesized at relatively low temperatures. The present invention specifically discloses a process for the synthesis of a polyesteramide which comprises polymerizing at least one diamine, at least one diol, and at least one dicarboxylic acid in the presence of (1) at least one acid acceptor; (2) at least one halogenated organic compound; and (3) at least one phosphorus containing compound selected from the group consisting of (a) triphenylphosphine, (b) triphenylphosphine oxide, (c) triphenylphosphine sulfide, (d) polymeric agents having pendant diphenylphosphine groups, (e) silicon-phosphorus compositions which contain at least one divalent oxygen atom which is bonded directly to a tetravalent silicon atom and a trivalent or pentavalent phosphorus atom; (f) compounds with the structural formula (C 6 H 5 ) 3 P=N-R, wherein R is a hydrogen atom or an alkyl group containing from 1 to 10 carbon atoms; and (g) compounds with the structural formula (C 6 H 5 )PR 1 R 2 wherein R 1 and R 2 can be the same or different, wherein R 1 is selected from the group consisting of alkyl groups containing from 1 to 10 carbon atoms and phenyl groups, and wherein R 2 is an alkyl group containing from 1 to 10 carbon atoms.

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-2008125587-A1
优先权日:2006-05-25
标 题 :Synthesis of triazole compounds that modulate HSP90 activity
发明人：CHIMMANAMADA DINESH U; LEE CHI-WAN; JAMES DAVID; ZHANG SHIJIE; YING WEIWEN; CHAE JUNGHYUN; PRZEWLOKA TERESA
权利人:CHIMMANAMADA DINESH U; LEE CHI-WAN; JAMES DAVID; ZHANG SHIJIE; YING WEIWEN; CHAE JUNGHYUN; PRZEWLOKA TERESA
摘要:The present invention provides novel methods of preparing triazole compounds which inhibit the activity of Hsp90. One embodiment of the invention is directed to methods for preparing a triazole compound represented by the following Structural Formula: n n n n n n n n n n or a tautomer, a pharmaceutically acceptable salt, solvate, or clathrate, or a prodrug thereof, comprising the steps of: a) reacting an amide represented by the following Structural Formula: n n n n n n n n n n with a thionation reagent to form a thioamide; b) reacting the thioamide of step a) with hydrazine to form a hydrazonamide; c) reacting the hydrazonamide of step b) with a carbonylation or a thiocarbonylation reagent. n In one embodiment, the present invention is a method of synthesis of a compound of formula (IA) n n n n n n n n n n or a tautomer, a pharmaceutically acceptable salt, solvate, or clathrate, or a prodrug thereof, comprising reacting a compound of formula (IIA) n n n n n n n n n n with an oxidizing agent, thereby producing a compound of formula (IA). n The present invention is also directed to a method of preparing a compound or a tautomer thereof represented by the following Structural Formula: n n n n n n n n n n or a tautomer, a pharmaceutically acceptable salt, solvate, or clathrate, or a prodrug thereof. The method comprises the step of reacting a first starting compound represented by the following Structural Formula: n n n n n n n n n n in the presence of a mercuric salt, with a second starting compound represented by the following Structural Formula:

专利号:US-7122693-B2
优先权日:1988-04-11
标题 :Acetaldehyde acetal compounds, their synthesis, and uses thereof
发明人：BELLEAU EXECUTRIX OF ESTATE PI; DIXIT DILIP M; NGUYEN-BA NGHE
权利人:SHIRE BIOCHEM INC
摘要:The acetaldehyde compounds, 2-thiobenzoylacetaldehyde diethylacetal, 2-benzoyloxyacetaldehyde bis(2-methoxyethyl)acetal, 2-hydroxyacetaldehyde bis( 2-methoxyethyl)acetal, 2-thiobenzoylacetaldehyde bis(2-methoxy-ethyl)acetal, and 2-thioacetaldehyde bis(2-methoxyethyl)acetal, are useful as intermediates in the synthesis of substituted 1,3-oxathiolanes and substituted 1,3-dioxolanes.