欧盟法规
ECHA物质C&L通报上下游产品
oxirane methanol 1-butyl-1-nitrosourea trimethylene oxide methanol isobutene tert-butyl methyl ether benzoic acid methyl ester 📜2-碘-3-甲氧基-丁烷置于cobalt-Nickel,Alkaline Solution体系中,化学反应生成 甲基仲丁基醚
参考文献:Dolliver Et Al.,Journal Of The American Chemical Society,1938,Vol. 60,P. 441
标题:Dolliver Et Al.,Journal Of The American Chemical Society,1938,Vol. 60,P. 441
海关参考信息
- 2905122000-异丙醇
2905142000-仲丁醇
2901100000-饱和无环烃
2909199090-其他醚及其衍生物 - 💡 提示:海关信息按照顺序优先匹配,如需确认的海关信息,请参考相关资料。
- 详情请参考:📖 海关编码查询和海关进出口税则
专利信息
专利号:US-11926589-B2
优先权日:2019-07-09
标 题 :Process for the synthesis of non-racemic cyclohexenes
发明人:REISMAN SARAH; ROMBOLA MICHAEL; LADD CAROLYN L; MCLAUGHLIN MARTIN JOHN; ZUEND STEPHAN; GOETZ ROLAND
权利人:BASF CORP; CALIFORNIA INST OF TECHN
摘要:This invention relates to a process for the synthesis of a non-racemic cyclohexene compound of formula (I) by a Diels-Alder reaction of a compound of formula (II) with a compound of formula (III) wherein R 1 , R 2 , R 3 , R 4 , R 5 , R 6 , R 7 , R 8 , R 9 and Y have the meanings as defined in the description in the presence of a catalyst comprising at least one m-valent metal cation M m+ wherein the metal M is selected from Scandium (Sc), Yttrium (Y), Lanthanum (La), Cerium (Ce), Praseodymium (Pr), Neodymium (Nd), Promethium (Pm), Samarium (Sm), Europium (Eu), Gadolinium 15 (Gd), Terbium (Tb), Dysprosium (Dy), Holmium (Ho), Erbium (Er), Thulium (Tm), Ytterbium (Yb), Lutetium (Lu), Gallium (Ga) and Indium (In), and m is an integer of 1, 2 or 3, and a chiral ligand of the formula (IV) wherein R 10a , R 10b , R 10c , R 10d , R 10a′ , R 10b′ , R 10c′ , R 10d′ , Z and Z′ have the meanings as defined in the description.
专利号:US-2013338369-A1
优先权日:2011-03-07
标 题 :Process for the Synthesis of Aminobiphenylene
发明人:HEINRICH MARKUS; PRATSCH GERALD
权利人:HEINRICH MARKUS; PRATSCH GERALD; BASF SE
摘要:The present invention relates to a process for the synthesis of 2-aminobiphenylene and derivatives thereof by reacting a benzene diazonium salt with an aniline compound under basic reaction conditions.
专利号:US-6175024-B1
优先权日:1999-03-03
标题 :Synthesis of functionalized esters
发明人:BOYLE JR WILLIAM J; REDDY INDIRA; QIAN ZHENRONG; SU HENG ERIC; RYCKMAN DAVID
权利人:ALLIED SIGNAL INC
摘要:A method of preparing an ester of a carboxylic acid functionalized with a moiety selected from the group consisting of halides, sulfonates, ethers, hydroxyl, amines, and aldehydes, said method comprising: (a) providing either a carboxylic acid having a vinyl group or an ester thereof; (b) functionalizing the vinyl carbon closest to the carboxyl group with said moiety, wherein said functionalizing comprises cleaving said vinyl group.
专利号:US-5663342-A
优先权日:1994-03-08
标 题 :2-chloro and 2-bromo derivatives of 1,5-iminosugars
发明人:BARTA THOMAS E; MUELLER RICHARD A
权利人:SEARLE & CO
摘要:Novel 2-chloro and 2-bromo derivatives of 1,5-iminosugars are disclosed, especially such derivatives of 1,5-dideoxy-1,5-imino-D-glucitol. These compounds are useful inhibitors of glucosidase enzymes and also are useful as antiviral agents and as intermediates for the synthesis of other enzyme inhibitors and antiviral compounds.
专利号:US-9453037-B2
优先权日:2011-07-28
标 题 :Methylphenidate-prodrugs, processes of making and using the same
发明人:GUENTHER SVEN; CHI GUOCHEN; BERA BINDU; MICKLE TRAVIS; BERA SANJIB
权利人:KEMPHARM INC; KEMPHARM INC
摘要:The present technology is directed to prodrugs and compositions for the treatment of various diseases and/or disorders comprising methylphenidate, or methylphenidate derivatives, conjugated to at least one alcohol, amine, oxoacid, thiol, or derivatives thereof. In some embodiments, the conjugates further include at least one linker. The present technology also relates to the synthesis of methylphenidate, or methylphenidate derivatives, conjugated to at least one alcohol, amine, oxoacid, thiol, or derivatives thereof or combinations thereof.
专利号:US-5354772-A
优先权日:1982-11-22
标 题:Indole analogs of mevalonolactone and derivatives thereof
发明人:KATHAWALA FAIZULLA G
权利人:SANDOZ PHARMACEUTICALS CORP
摘要:Compounds of the formula wherein one of R and Ro is and the other is primary or secondary C1-6alkyl not containing an asymmetric carbon atom, C3-6cycloalkyl or phenyl-(CH2)m-, wherein R4 is hydrogen, C1-3alkyl, n-butyl, i-butyl, t-butyl, C1-3alkoxy, n-butoxy, i-butoxy, trifluoromethyl, fluoro, chloro, phenoxy or benzyloxy, R5 is hydrogen, C1-3alkyl, C1-3alkoxy, trifluoromethyl, fluoro, chloro, phenoxy or benzyloxy, R5a is hydrogen, C1-2alkyl, C1-2alkoxy, fluoro or chloro, and m is 1, 2 or 3, with the provisos that both R5 and R5a must be hydrogen when R4 is hydrogen, R5a must be hydrogen when R5 is hydrogen, not more than one of R4 and R5 is trifluoromethyl, not more than one of R4 and R5 is phenoxy, and not more than one of R4 and R5 is benzyloxy, R2 is hydrogen, C1-3alkyl, n-butyl, i-butyl, t-butyl, C3-6cycloalkyl, C1-3alkoxy, n-butoxy, i-butoxy, trifluoromethyl, fluoro, chloro, phenoxy or benzyloxy, R3 is hydrogen, C1-3alkyl, C1-3alkoxy, trifluoromethyl, fluoro, chloro, phenoxy or benzyloxy, with the provisos that R3 must be hydrogen when R2 is hydrogen, not more than one of R2 and R3 is trifluoromethyl, not more than one of R2 and R3 is phenoxy, and not more than one of R2 and R3 is benzyloxy, X is -(CH2)n- or -CH=CH-, wherein n is 0, 1, 2 or 3, and Z is wherein R6 is hydrogen or C1-3alkyl, and R7 is hydrogen, R7b or M, wherein R7b is a physiologically acceptable and hydrolyzable ester group, and M is a pharmaceutically acceptable cation, the use thereof for inhibiting cholesterol biosynthesis and lowering the blood cholesterol level, and therefore, in the treatment of hyperliopoproteinemia and atherosclerosis, pharmaceutical compositions comprising such compounds and processes for and intermediates in the synthesis of such compounds.