专利号:US-5077408-A 优先权日:1989-09-20 标 题 :Process for the synthesis of oxazolopyridine compounds 发明人:GUILLAUMET GERALD; FLOUZAT CHRISTINE 权利人:SCIENCE ORGANISATION 摘要:Process for the synthesis of compounds of formula (I): ##STR1## their pyridinium salts and N-oxides, in which formula: the nitrogen of the pyridine ring is situated in the α-, β-, γ- or δ-position with respect to the ring junction; n R 1 represents a halogen, a substituted or unsubstituted alkyl, a substituted or unsubstituted alkoxy or a nitro, substituted or unsubstituted amino, phenyl or cyano group; n 0≦m≦2; n R 2 represents a lower alkyl or cycloalkyl group, a 5- or 6-membered heterocycle containing 1 or 2 hetero atoms, substituted or otherwise, or an aryl group ##STR2## such that: R 3 represents a halogen, a substituted or unsubstituted alkyl, a substituted or unsubstituted alkoxy or a nitro, phenyl, substituted or unsubstituted sulfonyl, cyano, thioalkyl, substituted or unsubstituted amino, substituted or unsubstituted sulfinyl, mercapto, hydroxyl or ester group, n 0≦n≦5 n employing trimethylsilyl polyphosphate (PPSE) as a cyclization agent and enabling the compounds of formula (I) to be obtained in virtually quantitative yields. The compounds of formula I have anti-inflammatory, analgesic, and antipyretic activity.
专利号:US-9409879-B2 优先权日:2011-03-29 标 题 :Total synthesis of redox-active 1.4-naphthoquinones and their metabolites and their therapeutic use as antimalarial and schistomicidal agents 发明人:DAVIOUD-CHARVET ELISABETH; LANFRANCHI DON ANTOINE; JOHANN LAURE; WILLIAMS DAVID LEE; CESAR RODO ELENA 权利人:DAVIOUD-CHARVET ELISABETH; LANFRANCHI DON ANTOINE; JOHANN LAURE; WILLIAMS DAVID LEE; CESAR RODO ELENA; CENTRE NAT RECH SCIENT 摘要:Naphthoquinones, azanaphthoquinones and benxanthones, their process of synthesis and methods of their use as antimalarial or antischistosomal agents.
专利号:US-11008273-B2 优先权日:2019-02-15 标题 :Process for the manufacture of fluorinated benzenes and fluorinated benzophenones, and derivatives thereof 发明人:ZHOU CHANGYUE; DU HONGJUN; WU WENTING 权利人:FUJIAN YONGJING TECH CO LTD 摘要:The invention relates to a new process for the manufacture or synthesis, respectively, of fluorinated benzenes and fluorinated benzophenones, and derivatives thereof, in particular of fluorobenzenes and derivatives thereof. The present invention particularly pertains to a novel environmentally friendly process for the synthesis of fluorinated benzenes and benzophenones as raw materials for the manufacture of polyaryletherketones (PAEKs).
专利号:US-11981648-B2 优先权日:2019-06-13 标题:Method for the synthesis of 3-R-1,4,2-dioxazol-5-ones 发明人:HALL DAVID S; DAHN JEFFERY RAYMOND; HYNES TOREN 权利人:TESLA INC; PANASONIC HOLDINGS CORP 摘要:Provided are methods of preparing 3-R-1,4,2-dioxazol-5-one compounds using convenient and efficient methods. Also provided are 3-R-1,4,2-dioxazol-5-one compounds produced using the methods described.
专利号:WO-2011106986-A1 优先权日:2010-03-02 标题:Inhibitors of hepatitis c virus ns5b polymerase 发明人:MCCOMAS CASEY CAMERON; LIVERTON NIGEL J; SOLL RICHARD; LI PENG; PENG XUANJIA; WU HAO 权利人:MERCK SHARP & DOHME; MCCOMAS CASEY CAMERON; LIVERTON NIGEL J; SOLL RICHARD; LI PENG; PENG XUANJIA; WU HAO 摘要:Compounds of formula (I) that are used as hepatitis C virus (HCV) NS5B polymerase inhibitors, the synthesis of such compounds, and the use of such compounds for inhibiting HCV NS5B polymerase activity, for treating or preventing HCV infections and for inhibiting HCV viral replication and /or viral production in a cell-based system. Wherein Z, R 30 , R 40 , R 50 and R 60 of compounds of formula (I) are herein defined as in the description.
专利号:US-3862209-A 优先权日:1972-05-12 标题:Process of making nitro phenoxybenzoic acid esters 发明人:THEISSEN ROBERT JAMES 权利人:MOBIL OIL CORP 摘要:Improved process for the synthesis of certain nitro phenoxybenzoic acid esters in which high yield, high purity, herbicidally effective compounds are obtained. In general the improvement comprises: 1. ESTERIFICATION OF A HALOBENZOYL HALIDE WITH ISOPROPANOL THEREBY FACILITATING SEPARATION OF ISOMERIC IMPURITIES FROM THE DESIRED ISOPROPYL-NITROBENZOATE ESTER INTERMEDIATE. 2. TRANSESTERIFICATION OF A PHENOXY DERIVATIVE OF SAID ESTER TO THE DESIRED PHENOXYBENZOIC ACID ESTER.
摘要:Joule, J. A., Science of Synthesis Knowledge Updates, (2010) 2, 89. 摘要:Götzinger, A. C.; Müller, T. J. J., Science of Synthesis Knowledge Updates, (2017) 3, 104. 摘要:Joule, J. A., Science of Synthesis Knowledge Updates, (2018) 2, 308. 摘要:Lee, C.-F., Science of Synthesis Knowledge Updates, (2019) 3, 94. 摘要:Silva, V. L. M.; Pinto, D. C. G. A.; Santos, C. M. M.; Rocha, D. H. A., Science of Synthesis Knowledge Updates, (2022) 3, 329.