Dl-扁桃酸甲酯置于sodium Hydroxide,(Nme4)*2H2O*ch3Cn (L = Ortho-Phenylenebis(N'-Methyloxamidate)),氧气,特戊醛,Lithium Diisopropyl Amide体系中,用 乙腈 用作溶剂,化学反应 3.0H,反应生成4-苯甲酰基丁酸 参考文献:Catalytic Aerobic Oxidative Decarboxylation Of α-Hydroxy-Acids. Methyl Mandelate As A Benzoyl Anion Equivalent 标题:Catalytic Aerobic Oxidative Decarboxylation Of α-Hydroxy-Acids. Methyl Mandelate As A Benzoyl Anion Equivalent 摘要:The Monomeric Square-Planar Cobalt(III) Complex Of Bis-N,N'-Disubstituted Oxamides Catalyses The Oxidative Decarboxylation Of Alpha-Hydroxy Acids With Molecular Oxygen/pivalaldehyde With Very Good Yields. This Reaction Offers An Interesting Alternative In The Use Of Methyl Mandelate As A Convenient Benzoyl Anion Equivalent. (C) 1998 Elsevier Science Ltd. All Rights Reserved. Doi:10.1016/s0040-4039(98)00482-1
专利号:US-2022356182-A1 优先权日:2009-03-27 标题 :Inhibitors of hepatitis c virus replication 发明人:COBURN CRAIG A; LUDMERER STEVEN W; LIU KUN; WU HAO; SOLL RICHARD; ZHONG BIN; ZHU JIAN 权利人:MERCK SHARP & DOHME 摘要:The present invention relates to compounds of formula (I) that are useful as hepatitis C virus (HCV) NS5A inhibitors, the synthesis of such compounds, and the use of such compounds for inhibiting HCV NS5A activity, for treating or preventing HCV infections and for inhibiting HCV viral replication and/or viral production in a cell-based system.
专利号:US-2005250961-A1 优先权日:2002-06-05 标题:Process for the preparation of 4-(4-fluorobenzoyl) butyric acid 发明人:PULLA REDDY M 权利人:PULLA REDDY M 摘要:The present invention provides an improved process for the preparation of 4-(4-Fluorobenzoyl)butyric acid of formula (I), which is prepared on a commercial scale using normal quality fluorobenzene (benzene content 300-700 ppm) with the desfluoro analogue impurity at an acceptable level (less than 0.1% by HPLC). The 4-(4-Fluorobenzoyl)butyric acid has the formula (I) is a key raw material for the synthesis of anti-hyperlipoproteinemetic drug ezetimibe.
专利号:US-11053243-B2 优先权日:2009-03-27 标 题:Inhibitors of hepatitis C virus replication 发明人:COBURN CRAIG A; LUDMERER STEVEN W; LIU KUN; WU HAO; SOIL RICHARD; ZHONG BIN; ZHU JIAN 权利人:MERCK SHARP & DOHME 摘要:The present invention relates to compounds of formula (I) that are useful as hepatitis C virus (HCV) NS5A inhibitors, the synthesis of such compounds, and the use of such compounds for inhibiting HCV NS5A activity, for treating or preventing HCV infections and for inhibiting HCV viral replication and/or viral production in a cell-based system.
专利号:WO-03104180-A1 优先权日:2002-06-05 标题 :Process for the preparation of 4-(4-fluorobenzoyl) butyric acid 发明人:PULLA REDDY MUDDASANI 权利人:NATCO PHARMA LTD; VENKAIAH CHOWDARY NANNAPANENI; PULLA REDDY MUDDASANI 摘要:The present invention provides an improved process for the preparation of 4-(4-Fluorobenzoyl)butyric acid of formula (I), which is prepared on a commercial scale using normal quality fluorobenzene (benzene content 300-700ppm) with the desfluoro analogue impurity at an acceptable level (less than 0.1 % by HPLC). The 4-(4-fluorobenzoyl)butyric acid has the formula (I) is a key raw material for the synthesis of anti-hyperlipoproteinemetic drug ezetimibe.
专利号:US-9090661-B2 优先权日:2009-03-27 标 题:Inhibitors of hepatitis C virus replication 发明人:COBURN CRAIG A; MCCAULEY JOHN A; LUDMERER STEVEN W; LIU KUN; VACCA JOSEPH P; WU HAO; HU BIN; SOLL RICHARD; SUN FEI; WANG XINGHAI; YAN MAN; ZHANG CHENGREN; ZHENG MINGWEI; ZHONG BIN; ZHU JIAN 权利人:MERCK SHARP & DOHME 摘要:The present invention relates to compounds of formula (I) that are useful as hepatitis C virus (HCV) NS5A inhibitors, the synthesis of such compounds, and the use of such compounds for inhibiting HCV NS5A activity, for treating or preventing HCV infections and for inhibiting HCV viral replication and/or viral production in a cell-based system.
专利号:US-6531470-B1 优先权日:1998-01-23 标题:Oxazolidinone combinatorial libraries, compositions and methods of preparation 发明人:GORDEEV MIKHAIL F; LUEHR GARY W; PATEL DINESH V; NI ZHI-JIE; GORDON ERIC 权利人:UPJOHN CO 摘要:Oxazolidinones and methods for their synthesis are provided. Also provided are combinatorial libraries comprising oxazolidinones, and methods to prepare the libraries. Further provided are methods of making biologically active oxazolidinones as well as pharmaceutically acceptable compositions comprising the oxazolidinones. The methods of library preparation include the attachment of oxazolidinones to a solid support. The methods of compound preparation in one embodiment involve the reaction of an iminophosphorane with a carbonyl containing polymeric support.
参考标题:A Facile Direct Route To N ‐(Un)Substituted Lactams By Cycloamination Of Oxocarboxylic Acids Without External Hydrogen 作者:Hu Li,Hongguo Wu,Heng Zhang,Yaqiong Su,Song Yang,Emiel J. M. Hensen |发布日期:2019.8.22 摘要:Lactams Are Privileged In Bioactive Natural Products And Pharmaceutical Agents And Widely Featured In Functional Materials. This Study Presents A Novel Versatile Approach To The Direct Synthesis Of Lactams From Oxocarboxylic Acids Without Catalyst Or External Hydrogen. The Method Involves The In Situ Release Of Formic Acid From Formamides Induced By Water To Facilitate Efficient Cycloamination. Water
合成参考文献
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