CAS: 2459-07-6; Methyl Picolinate

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1121-60-4 586-98-1 98-98-6

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2-二吡啶基酮 以 丙酮 用作溶剂,化学反应生成2-吡啶甲酸甲酯
参考文献:Williams,R.L.; Neergaard,Sandra,Journal Of Heterocyclic Chemistry,1982,Vol. 19,P. 1549-1550
标题:Williams,R.L.; Neergaard,Sandra,Journal Of Heterocyclic Chemistry,1982,Vol. 19,P. 1549-1550

专利信息

专利号:US-6258323-B1
优先权日:1998-11-16
标题:Apparatus and method used in multiple, simultaneous synthesis of general compounds
发明人：HORMANN ROBERT EUGENE; GILBERT DARYL EUGENE; SIOMA EDWARD MICHAEL
权利人:ROHM & HAAS
摘要:The apparatus and method of the present invention provides for conducting simultaneous multiple synthesis of general compounds, which often takes place under varied uneven conditions requiring heating, cooling, agitation, reagent/solvent additions to the reactor contents at each reaction vessel location, supply and maintenance of inert atmosphere and means to facilitate the reflux of the reactor contents. Thus, it becomes necessary to monitor and control the reaction conditions during the simultaneous multiple synthesis of general compounds. The apparatus allows the user to connect various independently controlling and conveying means to each reaction vessel through multiple ports provided on a stopper mounted on each reaction vessel. The apparatus of the present invention permits user to readily access the reaction vessels without interrupting the reactions occurring in the adjacent reaction vessels. The unique geometry and shape of the stopper allows positioning of multiple ports, while still providing the stopper with a compact size. As a result, a large array of reaction vessels can be accommodated in the device of the present invention without significantly increasing the overall size of the apparatus. Some of the general compounds that can be readily synthesized by the apparatus and the method of the present invention include inorganic compounds as well as organic compounds, such as oligomers, polymers, agricultural chemicals, drugs, peptides and oligonucleotides.

专利号:US-6271379-B1
优先权日:2000-03-08
标题:Intermediates useful for the synthesis of huperzine A
发明人：TUECKMANTEL WERNER; KOZIKOWSKI ALAN P
权利人:UNIV GEORGETOWN
摘要:Intermediates useful for the synthesis of huperzine A represented by the structures below, n and methods for their synthesis, wherein: n R 1 is lower alkyl, benzyl, or substituted benzyl; n X is a suitable leaving group; n Y is an electron withdrawing group that can subsequently be converted into an amino group; n one broken line is present as a carbon—carbon bond and the other broken line is absent, where the broken line forms an unconjugated carbon—carbon double bond, which double bond may be endocyclic whereby n is 3 or the double bond may be exocyclic whereby n is 2.

专利号:US-2024101506-A1
优先权日:2021-01-26
标 题 :Continuous process for the synthesis of dimethyl carbonate over a cerium-based catalyst formulation
发明人：SRINIVAS DARBHA; BOKADE VIJAY VASANT; NIPHADKAR PRASHANT SURESH; PULIKKEEL UNNIKRISHNAN; PARMAR SNEHALKUMAR; AMTE VINAY; SENGUPTA SURAJIT; DAS ASIT KUMAR
权利人:COUNCIL SCIENT IND RES
摘要:The present invention discloses a continuous process for the synthesis of dimethyl carbonate from methanol and carbon dioxide over a ceria-based mixed metal oxide-silica catalyst formulation in the presence of a dehydrating or water trapping compound (2-Cyanopyridine).

专利号:WO-9804535-A1
优先权日:1996-07-26
标 题 :A practical synthesis of benzoxazinones useful as hiv reverse transcriptase inhibitors
发明人：PIERCE MICHAEL ERNEST; RADESCA LILIAN ALICIA
权利人:DU PONT MERCK PHARMA
摘要:The present invention describes novel methods for the synthesis of benzoxazinone compounds which are useful as human immunodeficiency virus (HIV) reverse transcriptase inhibitors. The benzoxazinone of formula (VI-a) is particularly effective in the treatment of HIV.

专利号:WO-2025078932-A1
优先权日:2023-10-09
标题 :A process for selective dimethyl carbonate (dmc) synthesis and a system thereof
发明人：PULIKKEEL UNNIKRISHNAN; ROUTRAY KAMALAKANTA; CHINTHALA PRAVEEN KUMAR; DAS ASIT KUMAR
权利人:RELIANCE INDUSTRIES LTD
摘要:The present disclosure provides a process for the selective synthesis of dimethyl carbonate 0 (DMC). More particularly, the present disclosure provides a process for inhibiting catalyst deactivation in a process for selective DMC synthesis. The process is particularly characterized by conducting the process in the presence of a small quantity of air. Further provided herein is a system for facilitating the said process. The process and the system (Figure 1) of the present disclosure prolong the life of the catalyst by virtue of introduction of air into the reactor.

专利号:WO-2025078933-A1
优先权日:2023-10-09
标题 :A process for selective dimethyl carbonate (dmc) synthesis and a system thereof
发明人：PULIKKEEL UNNIKRISHNAN; ROUTRAY KAMALAKANTA; CHINTHALA PRAVEEN KUMAR; DAS ASIT KUMAR; MANDAL SUKUMAR
权利人:RELIANCE INDUSTRIES LTD
摘要:The present disclosure provides a process for the continuous and selective synthesis of Dimethyl carbonate (DMC) addressing issues such as choking, reagent consumption and other downstream issues. The process of the present disclosure is characterized by integration of 2 reactions, one for the conversation of alcohol and carbon dioxide to DMC in the presence of a nitrile based dehydrating agent and the second for the re-generation of the nitrile based dehydrating agent in the presence of a suitable solvent. Further provided herein is a system (Figure 1) for facilitating the said process. The process is characterized by prolonged catalyst activity, efficient regeneration of reactants, low energy requirements and simple regeneration procedures.