CAS: 2700-16-5; N,N-Diethyl-N-Methylethanaminium Bromide

相似化合物

10052-47-8 69444-47-9 71-91-0

上下游产品

methyl bromide trimethylamine triethylamine hydrobromide carbonic acid dimethyl estermethane ethane ethene triethylamine

Phenylselenomethyltriethylammonium Bromide置于2-甲基-2-丁醇,偶氮二异丁腈,三正丁基氢锡体系中,化学反应 0.25H,以94%的收率获得甲基三乙基溴化铵
参考文献:通过α-氨气5-己烯基自由基的环化合成桥头氮杂环.
标题:通过α-氨气5-己烯基自由基的环化合成桥头氮杂环.
摘要:根据基于mp4Sdtq / 6-31G从头算的预测,2,2-二甲基-2-氮杂-5-己烯基自由基(4)的闭环反应平稳有效地进行,从而基本上定量给出了5-Exo异构体. α-铵基的热力学稳定性 相应的5-己炔基自由基物质15及其6-苯基衍生物19显示出相似的行为,从而以高收率提供了类似的5-Exo-3-亚甲基吡咯烷鎓盐.在这些情况下均未检测到还原产物.通过用氢化三丁基锡处理碘代甲基和/或苯基硒代甲基盐方便地产生所有自由基中间体.将该方法应用于单环前体,如1-甲基-1-碘甲基-4-亚甲基-1-氮杂环己基碘化物(31),为1-氮杂双环[2.2.1]庚基系统的季衍生物提供了诱人的入口,收率很高通过1-甲基哌啶酮的三步法 如此获得的双环盐的脱季铵盐出乎意料地导致环之一的断裂而不是n-甲基的损失.可以通过氢化锡诱导相应的n-苯基乙基铵盐54的环化反应,然后用叔丁醇钾进行霍夫曼消除,轻松获得1-氮杂双环[2
Doi:10.1021/jo9813538

专利信息

专利号:US-9289755-B2
优先权日:2012-12-07
标题 :Synthesis of ZSM-5 crystals with improved morphology
发明人：LAI WENYIH FRANK; ROLLMAN NICHOLAS S
权利人:LAI WENYIH FRANK; ROLLMAN NICHOLAS S; EXXONMOBIL RES & ENG CO
摘要:Methods are provided for synthesizing crystals having a ZSM-5 framework structure from synthesis mixtures suitable for synthesis of ZSM-12 framework structure crystals in the absence of seed crystals with a ZSM-5 framework structure, such as in the absence of any seed crystals. For synthesis mixtures with a sufficiently high XO 2 :Y 2 O 3 ratio, seeding a synthesis mixture with ZSM-5 seed crystals can result in production of pure phase ZSM-5 crystals with a new morphology. The morphology can include rod-like primary crystallites with a length of about 0.5 μm or less that are organized/aggregated into larger secondary crystal structures. The aggregation of the primary crystallites into a secondary crystal structure can allow for an unexpectedly large mesoporous surface area for the ZSM-5 crystals.

专利号:US-10179795-B2
优先权日:2014-02-03
标题 :Synthesis of amine boranes and polyhedral boranes
发明人：SAFRONOV ALEXANDER VALENTINOVICH; JALISATGI SATISH SUBRAY; HAWTHORNE MARION FREDERICK
权利人:SAFRONOV ALEXANDER VALENTINOVICH; JALISATGI SATISH SUBRAY; HAWTHORNE MARION FREDERICK; UNIV MISSOURI
摘要:The present invention relates in general to a method for the synthesis and purification of 1) the polyhedral borane decahydrodecaborate and dodecahydrododecaborate anions and their salts and 2) amines and amine boranes. The organoammonium halide is combined with alkali metal tetrahydroborate to form organoammonium tetrahydroborate, which upon pyrolysis provides organoammonium decahydrodecaborate and organoammonium dodecahydrododecaborate.

专利号:US-2002058824-A1
优先权日:2000-11-15
标题:Solventless synthesis of hydrophilic phenol ester derivatives
发明人：MAJERCZAK VICTORIA ANN; GIBSON MICHAEL STEVEN; ORLANDO ROBERT JAMES
摘要:Process for preparing benzenesulfonate salts from an appropriately substituted acid chloride and a hydroxybenzenesulfonic acid is conducted in the absence of solvent, in a molar excess of acid chloride and in the presence of a phase transfer catalyst selected from quaternary ammonium and quaternary phosphonium salts and the target reaction product. The molar excess of the acid chloride is used to reduce the occurrence of gelation in the product.

专利号:WO-2023108601-A1
优先权日:2021-12-13
标 题:Synthesis method for loxoprofen and analogues thereof
发明人：MEI YIJIANG; LI JIEPING; LI YONGGANG; YU SHUAI; HU KAI; WANG CHANGFA; WANG LUFENG
权利人:ZHEJIANG JIUZHOU PHARM CO LTD
摘要:A synthesis method for loxoprofen and analogues thereof as shown in the following reaction formula, wherein compound (I) undergoes a reaction under the catalysis of a catalyst to generate compound (II). The method avoids the use of a large amount of an acid solution and can be performed under solvent-free conditions, and therefore the method is more environmentally friendly. The used catalyst can be recycled and reused, the recovery rate of the catalyst reaches 98%, and the discharge of the three wastes and environmental pollution are greatly reduced.

专利号:US-2008214386-A1
优先权日:2004-03-01
标题:Catalyst for Cyclic Carbonate Synthesis
发明人：TAKAHASHI TOSHIKAZU; WATAHIKI TSUTOMU; YASUDA HIROYUKI; SAKAKURA TOSHIYASU
权利人:TAKAHASHI TOSHIKAZU; WATAHIKI TSUTOMU; YASUDA HIROYUKI; SAKAKURA TOSHIYASU
摘要:Provided are a solid catalyst which gives a cyclic carbonate at a high yield and a high selectivity, which is stable and which may be readily separated after reaction; and a method of industrially advantageous, inexpensive and safe production of a cyclic carbonate by the use of the catalyst. The catalyst contains an inorganic solid substance having a surface modified with an ionic substance containing a Group 15 element; or contains an ionic substance containing a Group 15 element, and an inorganic solid substance. The modifying group for surface modification of an inorganic solid substance is an ionic substance containing a Group 15 element. The ionic substance containing a Group 15 element is at least one substance selected from organic phosphonium salts, organic ammonium salts, organic arsonium salts and organic antimonium salts.

专利号:EP-1608461-B1
优先权日:2003-04-01
标题:Synthetic zeolite, in particular for catalytic hydroisomerization of higher paraffins
发明人：BURGFELS GOETZ; KURTH VOLKER; REIMER ALFRED; SCHMIDT FRIEDRICH; WELLACH STEPHAN
权利人:SUED CHEMIE AG
摘要:The invention relates to a zeolite of the ZSM-12 type, especially for the hydroisomerization of higher paraffins, which has a primary crystal size of <0.1 mum; as well as a specific volume, determined by mercury porosimetry at a maximum pressure of 4000 bar, of 30-200 mm³/g in a pore radius range of 4-10 nm; and which has further been prepared from a synthesis gel composition comprising an aluminum source, precipitated silica as a silicon source, TEA⁺ as a template, an alkali metal and/or alkaline earth metal ion source M having the valency n; in which the molar H₂O:SiO₂ ratio is selected between 5 and 15. The invention further relates to a catalyst comprising the above zeolite and its use.