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丙二酸二乙酯置于iodonitrogen体系中,化学反应生成 碘仿
参考文献:Datta; Prosad,Journal Of The American Chemical Society,1917,Vol. 39,P. 452
标题:Datta; Prosad,Journal Of The American Chemical Society,1917,Vol. 39,P. 452

专利信息

专利号:US-5849936-A
优先权日:1995-03-15
标题:Method for the synthesis of bis-tetrahydrofuranyl annonaceous acetogenins
发明人：HOYE THOMAS R; TAN LUSHI
权利人:UNIVERISTY OF MINNESOTA
摘要:A method for the synthesis of bis-tetrahydrofranyl Annonaceous acetogenins, including the natural products and analogs thereof, is provided which proceeds by the Pd-mediated coupling of a bis-tetrahydrofuranyl-subunit comprising a terminal alkyne, with a (C4)-hydroxybutenolide subunit comprising a terminal vinyl iodide, followed by selective reduction of the resulting enyne.

专利号:US-2021107859-A1
优先权日:2018-04-06
标题 :A process for the synthesis of carbon labeled organic compounds
发明人：AUDISIO DAVIDE; CANTAT THIBAULT; DESTRO GIANLUCA
权利人:COMMISSARIAT ENERGIE ATOMIQUE
摘要:A process for the synthesis of a carbon labeled organic compound containing a carbon labeled carboxyl group is described. A method of using carbon labeled organic compounds containing a carbon labeled carboxyl group according to the present disclosure; a process for manufacturing labeled pharmaceuticals and agrochemicals comprising synthesis of carbon labeled organic compounds containing a carbon labeled carboxyl group according to the present disclosure; and a process for producing tracers comprising synthesis of carbon labeled organic compounds containing a carbon labeled carboxyl group according to the present disclosure are also described.

专利号:US-9469614-B2
优先权日:2011-10-27
标 题:Synthesis of triazolopyrimidine compounds
发明人：ZUPANCIC BORUT; MARAS NENAD; STERK DAMJAN
权利人:LEK PHARMACEUTICALS
摘要:The present invention relates to the field of organic synthesis and describes the synthesis of specific triazolopyrimidine compounds and intermediates thereof as well as related derivatives.

专利号:US-4347379-A
优先权日:1980-03-10
标 题:Synthesis of alpha-alkoxycarboxylic acids
发明人：LAI JOHN T
权利人:GOODRICH CO B F
摘要:Numerous alpha-carboxylic acids are prepared in a liquid medium by the reaction of an organic compound having at least one reactive hydroxyl or thiol group, with a monoketone, and a haloform, in the presence of a phase transfer catalyst and an alkali metal hydroxide. The term 'alpha-alkoxycarboxylic acids' includes alpha-phenoxycarboxylic acids, alpha-thioalkoxycarboxylic acids and alpha-thiophenoxycarboxylic acids. Specific substituents on the beta carbon atom of an alpha-alkoxycarboxylic (or '2-alkoxycarboxylic') acid reaction product formed in this novel synthesis, are introduced by appropriate choice of the ketone reactant; alkoxy and phenoxy substituents on the alpha carbon atom of a 2-alkoxycarboxylic acid are introduced by appropriate choice of the organic compound having a hydroxyl or thiol group. De-alkoxylation of the 2-alkoxycarboxylic acid yields alpha-beta monoolefinically unsaturated carboxylic acids which are necessarily alpha substituted, and may also be beta-substituted. It is now possible to produce, simply and conveniently, numerous substituted alpha-beta monolefinically unsaturated carboxylic acids with a variety of substituents on the alpha carbon atom, and, optionally on the beta carbon atom of these substituted carboxylic acids. Esters may also be conventionally derived from both the 2-alkoxycarboxylic acids, and the unsaturated carboxylic acids. During the phase transfer catalyzed synthesis of this invention, an intermediate acyl halide derivative is formed prior to the formation of the 2-alkoxycarboxylic acid reaction product. The formation of the acyl halide derivative allows the subsequent direct formation, in a modification of the same reaction, of 2-alkoxycarboxylic acid amides (or '2-alkoxycarbamides'), simply by adding a primary or secondary amine to the reaction mass. By dealkoxylation of the 2-alkoxycarbamides, specific, necessarily alpha-substituted and optionally beta-substituted acrylamides are synthesized which previously could be prepared, if at all, only with difficulty.

专利号:US-2023339906-A1
优先权日:2020-09-26
标 题 :A process for the synthesis of anthranilic acid/amide compounds and intermediates thereof
发明人：SYTHANA SURESH KUMAR; NAGLE PRAMOD; KUMAR VIJAY KUMAR; KANAWADE SHRIKANT BHAUSAHEB; CHANDRE TUKARAM NIVRUTTI; THUBE VINAYAK KISAN; PATIL PRADEEP PRAKASH; SHUKLA SHALINI; SHENDE KANTILAL BALU; PATRA PRANAB KUMAR; KLAUSENER ALEXANDER G M
权利人:PI INDUSTRIES LTD; PI INDUSTRIES LTD
摘要:The present invention discloses a process for the synthesis of compound of formula (VII) or a salt thereof,wherein, R, R1, R2, R3, R4a and R4b are as defined in the detailed description. The process further comprises the synthesis of an anthranilic diamide compound of formula (I).

专利号:WO-2023152730-A1
优先权日:2022-02-14
标题 :Amine-borane adducts in the synthesis of polyester and its copolymers using cyclic esters and compositions thereof
发明人：FENG XIAOSHUANG; LIU JINGJING; GNANOU YVES
权利人:UNIV KING ABDULLAH SCI & TECH
摘要:Embodiments of the present disclosure provide for the process of synthesis of polyester and its copolymers through (co)polymerization of cyclic esters and with other oxygenated monomers using amine-borane adduct. Embodiments of the present disclosure further describe the controlled anionic ring-opening polymerization of the cyclic compounds. Embodiments of the present disclosure also describe the polymerization of cyclic compounds using the synergistic effect of amines and thioureas. Embodiments of the present disclosure also describe compositions of polymers formed by the said process.