欧盟法规
C&L通报上下游产品
CAS号546-68-9 四异丙醇钛 | CAS号7550-45-0 四氯化钛 | CAS号107-05-1 氯丙烯 | CAS号18006-13-8 三异丙醇甲基钛合成工艺路线路线简述
- 合成目标产物 Chlorotitanium Triisopropoxide 主要起始原料 Titanium Tetraisopropanolate
- (文献来源)合成步骤主要原料 Titanium Tetraisopropanolate
Titanium(Iv) Isopropylate 反应生成三异丙氧基氯化钛
参考文献:Method For Preparing Cyclopropylamines
标题:Method For Preparing Cyclopropylamines
摘要:本发明涉及一种制备环丙基胺的方法,其化学式为##str1##其中r.Sup.1,R.Sup.2,R.Sup.3,R.Sup.4和r.Sup.5具有特定的含义,通过反应(1)化学式为##str2##其中r.Sup.1,R.Sup.2和r.Sup.3具有特定的含义,与(2)化学式为##str3##其中r.Sup.4,R.Sup.5和r.Sup.6具有特定的含义,(3)化学式为r.Sup.8-X(Viii)的烷基镁卤化物或锌烷基化合物,其中r.Sup.8具有特定的含义,X表示mgcl,Mgbr,Mgl,Zncl,Znbr,Znl或znr.Sup.8,(4)化学式为(Ix)的正金属酸盐##str4##其中r.Sup.9具有特定的含义,Y表示ti,Zr或v.Dbd.O,Z表示氯,溴或c.Sub.1-C.Sub.4-烷基,但需要注意的是,当y为ti或zr时,Q和r均为0或1,且q+r=4;当y为v.Dbd.O时,Q为3,R为0.
专利信息
专利号:US-9018387-B2
优先权日:2010-06-11
标 题:Complexes of imidazole ligands
发明人:NORMAN JOHN ANTHONY THOMAS; PEREZ MELANIE K; LEI XINJIAN; SPENCE DANIEL P; IVANOV SERGEI VLADIMIROVICH; BAILEY III WADE HAMPTON
权利人:NORMAN JOHN ANTHONY THOMAS; PEREZ MELANIE K; LEI XINJIAN; SPENCE DANIEL P; IVANOV SERGEI VLADIMIROVICH; BAILEY III WADE HAMPTON; AIR PROD & CHEM
摘要:Metal imidazolate complexes are described where imidazoles ligands functionalized with bulky groups and their anionic counterpart, i.e., imidazolates are described. Compounds comprising one or more such polyalkylated imidazolate anions coordinated to a metal or more than one metal, selected from the group consisting of alkali metals, transition metals, lanthanide metals, actinide metals, main group metals, including the chalcogenides, are contemplated. Alternatively, multiple different imidazole anions, in addition to other different anions, can be coordinated to metals to make new complexes. The synthesis of novel compounds and their use to form thin metal containing films is also contemplated.
专利号:US-10633368-B2
优先权日:2015-12-23
标 题 :Voriconazole intermediate and voriconazole synthesis method
发明人:HUANG HU; HUANG WENFENG; TU GUOLIANG; LIU JIEGEN; XU ZHONGMING; WU QIANGHUI; MENG ZHAOYANG; FANG YULING
权利人:ZHEJIANG HUAHAI PHARM CO LTD
摘要:Provided is a synthesis method for a voriconazole intermediate condensate as shown in formula II or an acid addition salt thereof. As shown in reaction formula 1, the product is prepared via compounds III and IV. The synthesis method adjusts the feeding means, and the reaction conditions are mild and controllable, thereby reducing the production of impurity A, avoiding the use of highly toxic metal lead, and eliminating the risk of highly toxic metal remaining in a drug. The product has a higher purity and significant industrial application value.
专利号:US-6420571-B2
优先权日:1999-04-26
标 题:Methods for preparing antiviral calanolide compounds
发明人:XU ZE-QI; YUAN HONGWEI; CRABB JENNIFER; SAMY RAGHU; LI AILING; CAO HUA
权利人:SARAWAK MEDICHEM PHARMACEUTICALS INC
摘要:The present invention relates to methods for preparing 2,2-dimethyl-5-acyloxy -10-propyl-2H,8H-benzo[1,2-b:3,4-b']dipyran-8-one (5) and 2,2-dimethyl-5-hydroxy-10 -propyl-2H,8H-benzo[1,2-b:3,4-b']dipyran-8-one (6) and their use as intermediates for the synthesis of antiviral calanolide compounds. For example, Fries rearrangement on compound 5 or Friedel-Crafts reaction on 6, yields intermediate 2,2-dimethyl-5-hydroxy -6-propionyl-10-propyl-2H,8H-benzo[1,2-b:3,4-b']dipyran-8-one (4), which, in turn, can be converted to (+)-calanolide A and (-)-calanolide B. The coupling of compound 6 with the appropriate chiral molecule under Mitsunobu or nucleophilic displacement leads to the asymmetric synthesis of antiviral calanolide compounds.
专利号:US-2025033988-A1
优先权日:2021-12-21
标 题 :Synthesis, capping and dispersion of high refractive index nanocrystals and nanocomposites
发明人:WIACEK ROBERT J; MONICKAM SELINA THOMAS; YAZDANPARAST MOHAMMAD SADEGH; SZYCHOWSKI BRIAN; FU GUOYI; GUSCHL PETER CHRISTOPHER; MCCLINTOCK GRACE E M; ZHENG LEI; WILLIAMS ZEHRA SERPIL GONEN; AMIRMOSHIRI MOHAMMADREZA; TADROS NICOLE JOUD
权利人:PT SPE SUBCO LLC
摘要:Preparation of capped metal oxide nanocrystals comprising a metal oxide shell that are photocatalytically and thermally stable and their dispersions in monomers, oligomers, and polymers, as well as the resulting formulations and nanocomposite films. These nanocrystals are highly monodisperse with nanocrystal size between 3-100 n. Resultant formulations incorporating these nanocrystals and a matrix material are highly stable and result in nanocomposites that have high refractive index, are highly transparent, have minimal to no change in absorption upon thermal or UV processing and are optically transparent in the visible wavelengths with very little or no scattering.
专利号:US-6416861-B1
优先权日:1999-02-16
标题 :Organosilicon compounds and uses thereof
发明人:LEE YOUNGHEE; SILVERMAN RICHARD B
权利人:UNIV NORTHWESTERN
摘要:A compound of the formula: n and a resin-bound compound of the formula: n and their use in combinatorial chemistry and in the synthesis of compounds comprising at least one aromatic moiety is described, where R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , L 1 , P, Ar 1 , and X are as herein defined.
专利号:JP-2018168171-A
优先权日:2013-03-15
标 题:Methods for the synthesis of sphingomyelin and dihydrosphingomyelin