CAS: 636-72-6; Thiophen-2-Ylmethanol

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CAS号98-03-3 2-噻吩甲醛 | CAS号121851-24-9 tetrahydropyran... | CAS号106-96-7 溴代丙炔 | CAS号5380-42-7 2-噻吩甲酸甲酯 | CAS号50-00-0 甲醛 | CAS号5713-61-1 2-噻吩基溴化镁 | CAS号527-72-0 2-噻吩甲酸 | CAS号31350-01-3 thiophen-2-ylme... | CAS号765-50-4 2-氯甲基噻吩 | CAS号5380-42-7 2-噻吩甲酸甲酯 | CAS号31330-51-5 乙基 2-氰基-3-(2-噻嗯... | CAS号527-72-0 2-噻吩甲酸 | CAS号98-03-3 2-噻吩甲醛 | CAS号14313-93-0 N,N-diethylthio... | CAS号1487-28-1 2-(甲氧基甲基)噻吩 | CAS号4701-17-1 5-溴噻吩-2-甲醛 | CAS号4341-34-8 二(噻吩-2-基)甲烷 | CAS号45438-73-1 2-溴甲基噻吩

2-Thiophenecarboxaldehyde Hydrazone置于manganese(Iv) Oxide,Magnesium Sulfate体系中,用 乙醚 作为反应溶剂,化学反应 11.5H,反应生成 2-噻吩甲醇
参考文献:Maas,Gerhard; Hummel,Christine,Chemische Berichte,1980,Vol. 113,# 12,P. 3679-3696
标题:Maas,Gerhard; Hummel,Christine,Chemische Berichte,1980,Vol. 113,# 12,P. 3679-3696

专利信息

专利号:US-4440682-A
优先权日:1981-04-06
标 题:Stereospecific synthesis of isocephalosporins and 2-oxa isocephalosporins
发明人：BOSE AJAY K; FERNANDEZ ISABEL F; GALA KANTI J
权利人:LAFARQUIM
摘要:A process is described whereby a synthetically produced 4-styryl-cis-3,4-azetidinone is converted to an isocephalosporin or its 2-oxa analog. The process is based upon the condensation of enamine and imine synthons. Novel intermediate azetidinones are also disclosed. Control of the stereochemical course of the process allows economical, high yield preparation of the racemic form of the product or when a single enantiomer of the imine synthon derived from the β-hydroxy-α-amino acid starting material is used, both enantiomers of the product may be prepared and separated without optical resolution.

专利号:US-7635781-B2
优先权日:2001-05-15
标 题:Synthesis of cyclopentadiene derivatives
发明人：NIFANT EV ILYA; KASHULIN IGOR; IVCHENKO PAVEL; KLUSENER PETER; KORNDORFFER FRANS; DE KLOE KEES; RIJSEMUS JOS
权利人:BASELL POLYOLEFINE GMBH
摘要:A compound of formula (X): n n n n n n n n n n n n wherein n R 1 , R 2 , equal to or different from each other are hydrogen or a linear or branched saturated or unsaturated C 1 -C 20 -alkyl, C 3 -C 20 -cycloalkyl, C 6 -C 20 -aryl, C 7 -C 20 -alkylaryl or C 7 -C 20 -arylalkyl radical, optionally containing heteroatoms belonging to groups 13-17 of the Periodic Table of the Elements; or they can form a C 4 -C 7 ring optionally containing O, S, N, P or Si atoms that can bear substituents; n R 3 is hydrogen or a linear or branched saturated or unsaturated C 1 -C 20 -alkyl, C 3 -C 20 -cycloalkyl, C 6 -C 20 -aryl, C 7 -C 20 -alkylaryl or C 7 -C 20 -arylalkyl radical, optionally containing heteroatoms belonging to groups 13-17 of the Periodic Table of the Elements; or two adjacent R 3 groups can form a C 4 -C 7 ring optionally containing O, S, N, P or Si atoms, wherein said ring can bear substituents; n and at least one of R 1 , R 2 or R 3 is different from hydrogen.

专利号:US-2011319644-A1
优先权日:2006-11-02
标 题:Process for production of 1-hydroxy-19-norcyclovitamin d derivative and intermediate for the production
发明人：TOYODA ASAKO; NAGAI HAZUKI; KONUKI KANAME; TSUCHIDA TOSHIO
权利人:TOYODA ASAKO; NAGAI HAZUKI; KONUKI KANAME; TSUCHIDA TOSHIO
摘要:A cyclovitamin D derivative produced from 25-hydroxyvitamin D is reacted with osmium tetraoxide or a permanganic acid salt to produce a 10,19-diolcyclovitamin D derivative. The 10,19-diolcyclovitamin D derivative is reacted with a perhalogenic acid salt or lead tetraacetate to produce a 10-oxocyclovitamin D derivative. A 1-hydroxycyclovitamin D derivative is produced from the 10-oxocyclovitamin D derivative via a cyclovitamin D derivative and a 1,10-olefincyclovitamin D derivative. The 1-hydrocyclovitamin D derivative is subjected to solvolysis, thereby producing a 1-hydroxy-19-norviatmin D derivative. Thus provided are a novel process for production of 1-hydroxy-19-norcyclovitamin D derivative that is utilizable as an intermediate in the synthesis of 1-hydroxy-19-norvitamin D derivative which is useful as a pharmaceutical agent; and an intermediate for the production.

专利号:US-8138272-B2
优先权日:2006-05-22
标 题:Preparation of polymer conjugates of therapeutic, agricultural, and food additive compounds
发明人：KONRADI ANDREI W; SMITH JENIFER L
权利人:KONRADI ANDREI W; SMITH JENIFER L; ELAN PHARM INC
摘要:This invention provides an improved synthesis of polymer conjugates of formula (I), n nof agricultural, therapeutic, and food additive compounds. In particular, a process is described for the preparation of conjugates by treating primary or secondary alcohol substituents of active compounds with polymeric nucleophiles using “Mitsunobuâ€? or related reaction conditions.

专利号:US-7056348-B2
优先权日:2001-04-19
标题:5-aryl-1,3,3-trimethyl-2-methylene-indoline derivatives and salts thereof, methods for the production and use of said compounds for the temporary coloration of fibers
发明人：SAUTER GUIDO; BRAUN HANS-JUERGEN; REICHLIN NADIA
权利人:WELLA AG
摘要:A method for the synthesis of 5-aryl-1,3,3,-trimethyl-2-methylene-indoline derivatives of Formula (I) or its salts of Formula (Ia) wherein 1 mole of a 5-aryl-2,3,3-trimethyl-3H-indole derivative of Formula (VII) is reacted for 1 to 44 hours at a temperature of 20° to 180° C. in an apolar, aprotic or polar, protic or polar aprotic solvent with 1 to 50 moles of a compound of Formula R1-A; new compounds of Formulas (I)/(Ia) and (V), obtainable by this method as well as an agent containing at least one compound of Formula (I)/(Ia) and a carbonyl/imine compound for dyeing keratinic fibers and a method for temporarily dyeing keratin fibers, for which the keratin fiber is dyed with the aforementioned agent and the dyeing, so obtained, is removed again at any later time by a sulfite preparation.

专利号:US-7579294-B2
优先权日:2004-12-29
标题:Synthesis of supported transition metal catalysts
发明人：PARK JAIWOOK; KIM NAMDU; KWON MIN SERK; PARK CHEON MIN
权利人:POSTECH FOUNDATION
摘要:A highly active and recyclable supported transition metal catalyst can be prepared by a simple process comprising mixing with heating a transition metal complex, a metal-chelating agent and an alkoxide of Ti, Al or Si, followed by treatment with water to induce a sol-gel reaction among the reactants.