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    • 7. 发明授权
    • 알킬렌트리티오카보네이트의 제조방법
    • 制备亚苄基二硫代碳酸酯的方法
    • KR100832128B1
    • 2008-05-27
    • KR1020070038956
    • 2007-04-20
    • 경희대학교 산학협력단
    • 김훈식이제승정민석배현우
    • C07D309/06
    • A method for preparing alkylene trithiocarbonate is provided to produce the alkylene trithiocarbonate with high selectivity without generation of polymer by-products and buy reaction raw materials and a catalyst easily and cheaply. A method for preparing alkylene trithiocarbonate represented by a formula(2) comprises a step of reacting alkylene carbonate represented by a formula(1) with CS2 in the presence of a lithium halogen compound at a temperature of 80-180 deg.C under 10-100 atm, wherein each R1 and R2 is H, C1-2 alkyl or phenyl. Further, the reaction is performed under a non-solvent condition or an organic solvent used-condition.
    • 提供了制备亚硫代碳酸三亚甲酯的方法,以高选择性生产亚硫代碳酸三亚甲酯,而不会产生聚合物副产物,并且容易且便宜地购买反应原料和催化剂。 由式(2)表示的制备亚烷基二硫代碳酸酯的方法包括在卤素化合物存在下,在80-180℃的温度下,使式(1)表示的碳酸亚烷基酯与CS2反应, 100大气压,其中每个R 1和R 2是H,C 1-2烷基或苯基。 此外,反应在非溶剂条件或有机溶剂使用条件下进行。
    • 8. 发明公开
    • 수소화 방법
    • 环己酮和二羟基衍生物的转化选择性加氢方法具有改进的
    • KR1020050020947A
    • 2005-03-04
    • KR1020040064797
    • 2004-08-17
    • 메르크 파텐트 게엠베하
    • 크랄리크요아힘뮤에르만크리스토프레만슈테판포에트쉬아이케마이어볼커빈더베르너
    • C07D309/06
    • C07C41/20B01J31/24C07B2200/07C07C2601/14C07D309/04C07D309/06C07D309/08C07D309/20C07D309/22C07D309/28C07C43/225
    • PURPOSE: A trans-selective hydrogenation process of cyclohexene and dihydropyran derivatives is provided, thereby improving yield and simplifying the process with high trans-selectivity. CONSTITUTION: The method for preparing compounds of formula (1a) or (1b) comprises hydrogenating compounds of formula (2a) or (2b) in the presence of transition metal complex stabilized by one or more of the same or different phosphine ligands, wherein a, b, c, d and e are independently 0 or 1 and e is 1 when W is CH2; A11, A12, A13, A14 and A15 are independently 1,4-cyclohexylene radical, 1,4-phenylene radical, naphthalene-2,6-diyl or 1,2,3,4-tetrahydronaphthalene-2,6-diyl radical or 1,3-cyclobutylene, piperidine-1,4-diyl or decahydronaphthalene-2,6-diyl radical; R11 is hydrogen, optionally mono- or multi-substituted C1-C15 alkyl radical, provided that R11 is not hydrogen when a and b are 0 simultaneously and Z12 is a single bond; W is CH2 or O; Y11 is hydrogen, halogen, -NCS, -SCN, -SF5, -CN, optionally halogen or -CN mono- or multi-substituted C1-C15 alkyl radical, or C7-C16 aralkyl radical optionally mono- or multi-substituted with halogen, nitro, alkanyl, alkoxy, -NH2 or N(alkanyl)2; Z11, Z13, Z14 and Z15 are independently a single bond, -CH2CH2-, -CF2CF2-, -CH2CF2-, CF2CH2-, -CFH-, CFH-, -C≡C-, -CH2O, -OCH2-, -CF2O-, -OCF2-, -COO- or -O-CO-; Z12 is a single bond, -CH2CH2-, -C≡C-, -CH2O, -OCH2-, -COO- or -O-CO-; f, g, h, i and j are independently 0 or 1 and j is 1 when W is CH2; A21, A22, A23, A24 and A25 are independently 1,4-cyclohexylene radical, 1,4-phenylene radical, naphthalene-2,6-diyl or 1,2,3,4-tetrahydronaphthalene-2,6-diyl radical or 1,3-cyclobutylene, piperidine-1,4-diyl or decahydronaphthalene-2,6-diyl radical; R21 is hydrogen, optionally mono- or multi-substituted C1-C15 alkyl radical, provided that R21 is not hydrogen when f and g are 0 simultaneously and Z22 is a single bond; W is CH2 or O; Y21 is hydrogen, halogen, -NCS, -SCN, -SF5, -CN, optionally halogen or -CN mono- or multi-substituted C1-C15 alkyl radical, or C7-C16 aralkyl radical optionally mono- or multi-substituted with halogen, nitro, alkanyl, alkoxy, -NH2 or N(alkanyl)2; Z21, Z23, Z24 and Z25 are independently a single bond, -CH2CH2-, -CF2CF2-, -CH2CF2-, CF2CH2-, -CFH-, CFH-, -C≡C-, -CH2O, -OCH2-, -CF2O-, -OCF2-, -COO- or -O-CO-; and Z22 is a single bond, -CH2CH2-, -C≡C-, -CH2O, -OCH2-, -COO- or -O-CO-.
    • 目的:提供环己烯和二氢吡喃衍生物的反式选择性氢化方法,从而提高产率,并以高反式选择性简化工艺。 构成:制备式(1a)或(1b)化合物的方法包括在由一种或多种相同或不同的膦配体稳定的过渡金属络合物的存在下,氢化式(2a)或(2b)的化合物,其中a b,c,d和e分别为0或1,当W为CH2时,e为1; A11,A12,A13,A14和A15独立地为1,4-亚环己基,1,4-亚苯基,萘-2,6-二基或1,2,3,4-四氢萘-2,6-二基或 1,3-环丁烯,哌啶-1,4-二基或十氢萘-2,6-二基; R11是氢,任选的单取代或多取代的C 1 -C 15烷基,条件是当a和b同时为0时,R 11不为氢,Z 12为单键; W是CH 2或O; Y 11是氢,卤素,-NCS,-SCN,-SF 5,-CN,任选的卤素或-CN单取代或多取代的C 1 -C 15烷基,或任选被卤素单或多取代的C 7 -C 16芳烷基 ,硝基,烷基,烷氧基,-NH 2或N(烷基)2; Z 11,Z 13,Z 14和Z 15独立地是单键,-CH 2 CH 2 - , - C 2 CF 2 - , - CH 2 CF 2 - ,CF 2 CH 2 - , - CH-,CFH - , - C≡C - , - CH 2 O,-OCH 2 - , - - , - OCF 2 - , - COO-或-O-CO-; Z 12是单键,-CH 2 CH 2 - , - C≡C - , - CH 2 O,-OCH 2 - , - COO-或-O-CO-; f,g,h,i和j分别为0或1,当W为CH2时,j为1; A21,A22,A23,A24和A25独立地是1,4-亚环己基,1,4-亚苯基,萘-2,6-二基或1,2,3,4-四氢萘-2,6-二基或 1,3-环丁烯,哌啶-1,4-二基或十氢萘-2,6-二基; R21是氢,任选的单取代或多取代的C 1 -C 15烷基,条件是当f和g同时为0时,R 21不为氢,Z 22为单键; W是CH 2或O; Y 21是氢,卤素,-NCS,-SCN,-SF 5,-CN,任选卤素或-CN单取代或多取代的C 1 -C 15烷基,或任选被卤素单或多取代的C 7 -C 16芳烷基 ,硝基,烷基,烷氧基,-NH 2或N(烷基)2; Z21,Z23,Z24和Z25独立地是单键,-CH2CH2-,-CF2CF2-,-CH2CF2-,CF2CH2-,-CFH-,CFH-,-C≡C-,-CH2O,-OCH2-,-CF2O - , - OCF 2 - , - COO-或-O-CO-; 且Z 22为单键,-CH 2 CH 2 - , - C≡C - , - CH 2 O,-OCH 2 - , - COO-或-O-CO-。