4,6(1H,5H)-嘧啶二酮(7Ci,9Ci)置于n,N-二甲基苯胺,三氯氧磷体系中,化学反应生成4,6-二氯嘧啶 参考文献:Kenner Et Al.,Journal Of The Chemical Society,1943,P. 574 标题:Kenner Et Al.,Journal Of The Chemical Society,1943,P. 574
专利信息
专利号:US-5350851-A 优先权日:1992-03-16 标题 :Intermediates and a process for synthesis of tetrahydropteridine C6-stereoisomers, including (6S)-tetrahydrofolate and N5-formyl-(6S)-tetrahydrofolate 发明人:BAILEY STEVEN W; AYLING JUNE E 权利人:UNIV SOUTH ALABAMA 摘要:Intermediates and a process for the synthesis of 6-monosubstituted tetrahydropteridine C6-stereoisomers, including (6S)-tetrahydrofolic acid. The intermediates are shown in their two enantiomeric forms as follows: ##STR1## wherein R 1 and R 2 are the same or different and represent hydrogen, methyl, hydroxy, amino, alkyl or dialkylamino, alkoxy, benzyloxy, or benzylthio; R 3 represents an alkene, alkyne, cycloalkyl, benzyl, alkyl (substituted with hydroxy, acetoxy, benzyloxy, alkoxy, alkylthio, amino, carboxy, oxo, or phosphate), a protected aldehyde, or ##STR2## wherein n=1 or 2, R 4 is hydrogen, formyl, methyl, or propargyl, and ZZ represents an amino acid or amino acid polymer.
专利号:US-5304647-A 优先权日:1988-02-09 标题:Method of preparation of halogenated diazines 发明人:STREKOWSKI LUCJAN; MOKROSZ MARIA; HARDEN DONALD B 权利人:UNIV GEORGIA STATE 摘要:A method of preparation of substituted halogenodiazines which are useful as intermediates in the synthesis of novel unfused heterobicyclic compounds, and the products thereof. The reaction consists of the addition of an organolithium reagent with subsequent dehydrogenation of the addition product. The reaction takes place in one reaction vessel, without isolation of the substituted halogenodihydrodiazine intermediate. The reactions proceed at moderate temperature and in a short amount of time, which decreases the probability of side reactions and increases yield. Furthermore, the workup step is conducted under two-phase conditions to prevent hydrolysis of the substituted halogenodiazine to a substituted hydroxydiazine. The method is easy, efficient and results in a high yield of product. The substituted halogenodiazines are used as intermediates in the synthesis of unfused heterobicyclic compounds containing an aromatic moiety, diazine, and another aromatic moiety, such as thiophene, benzene, or naphthalene, which have biological activity.
专利号:US-2002042514-A1 优先权日:2000-06-26 标 题 :Synthesis of chlorinated pyrimidines 发明人:DOYLE TIMOTHY JOHN; WEHRENBERG PETER KARL; STANDEN MICHAEL CHARLES HENRY 摘要:A facile process for the preparation of 4,6-dichloropyrimidine is provided, which utilizes quaternary ammonium salts or quaternary phosphonium salts as catalysts for the reaction of, for example, 4,6-dihydroxypyrimidine or 4-chloro-6-methoxypyrimidine with phosgene.
专利号:US-2025049791-A1 优先权日:2023-08-03 标题:Synthesis of MEK7 Inhibitors and methods of Use Thereof 发明人:SCHEIDT KARL A; KIM DALTON ROBERT; ORR MEGHAN JO 权利人:UNIV NORTHWESTERN 摘要:Disclosed herein are 4-phenoxypyrimidine compounds and derivatives thereof for use as inhibitors of mitogen-activated protein kinase 7 (MEK7). The disclosed compounds and pharmaceutical compositions thereof may be used in methods for treating a disease or disorder associated with MEK7 activity, including cell proliferative diseases and disorders associated with MEK7 activity, such as cancer.
专利号:US-9574189-B2 优先权日:2005-12-01 标题:Enzymatic encoding methods for efficient synthesis of large libraries 发明人:FRANCH THOMAS; LUNDORF MIKKEL DYBRO; JACOBSEN SØREN NYBOE; OLSEN EVA KAMPMANN; ANDERSEN ANNE LEE; HOLTMANN ANETTE; HANSEN ANDERS HOLM; SØRENSEN ANDERS MALLING; GOLDBECH ANNE; DE LEON DAEN; KALDOR DITTE KIEVSMOSE; SLØK FRANK ABILDGAARD; HUSEMOEN GITTE NYSTRUP; DOLBERG JOHANNES; Jensen Kim Birkebæ; PEDERSEN LENE; NØRREGAARD-MADSEN MADS; GODSKESEN MICHAEL ANDERS; GLAD SANNE SCHRØDER; NEVE SØREN; THISTED THOMAS; KRONBORG TINE TITILOLA AKINLEMINU; SAMS CHRISTIAN KLARNER; FELDING JAKOB; FRESKGÃ…RD PER-OLA; GOULIAEV ALEX HAAHR; PEDERSEN HENRIK 权利人:FRANCH THOMAS; LUNDORF MIKKEL DYBRO; JACOBSEN SØREN NYBOE; OLSEN EVA KAMPMANN; ANDERSEN ANNE LEE; HOLTMANN ANETTE; HANSEN ANDERS HOLM; SØRENSEN ANDERS MALLING; GOLDBECH ANNE; DE LEON DAEN; KALDOR DITTE KIEVSMOSE; SLØK FRANK ABILDGAARD; HUSEMOEN GITTE NYSTRUP; DOLBERG JOHANNES; Jensen Kim Birkebæ; PEDERSEN LENE; NØRREGAARD-MADSEN MADS; GODSKESEN MICHAEL ANDERS; GLAD SANNE SCHRØDER; NEVE SØREN; THISTED THOMAS; KRONBORG TINE TITILOLA AKINLEMINU; SAMS CHRISTIAN KLARNER; FELDING JAKOB; FRESKGÃ…RD PER-OLA; GOULIAEV ALEX HAAHR; PEDERSEN HENRIK; NUEVOLUTION AS 摘要:Disclosed is a method for obtaining a bifunctional complex comprising a molecule linked to a single stranded identifier oligonucleotide, wherein a nascent bifunctional complex comprising a chemical reaction site and a priming site for enzymatic addition of a tag is a) reacted at the chemical reaction site with one or more reactants, and b) reacted enzymatically at the priming site with one or more tag(s) identifying the reactant(s).
专利号:US-5401844-A 优先权日:1983-04-11 标 题 :Regulation of enzymes which utilize tetrahydrobiopterin or tetrahydrofolate cofactors with 6,6-disubstituted-tetrahydropteridines 发明人:AYLING JUNE E; BAILEY STEVEN W 权利人:UNIV SOUTH ALABAMA 摘要:6-[2'-Amino-2',2'-disubstituted-ethylamino]-pyrimidines of the structure: ##STR1## in which X=H, NH 2 or NO 2 , which are novel intermediates in the synthesis of quinoid 6,6-disubstituted-dihydro- and 6,6-disubstituted-tetrahydro-pteridines, are claimed.