CN110590563A - 一种苯甲腈连续化加氢制备苄胺的方法 - Google Patents
一种苯甲腈连续化加氢制备苄胺的方法 Download PDFInfo
- Publication number
- CN110590563A CN110590563A CN201910826172.7A CN201910826172A CN110590563A CN 110590563 A CN110590563 A CN 110590563A CN 201910826172 A CN201910826172 A CN 201910826172A CN 110590563 A CN110590563 A CN 110590563A
- Authority
- CN
- China
- Prior art keywords
- benzonitrile
- benzylamine
- catalyst
- hydrogen
- fixed bed
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- JFDZBHWFFUWGJE-UHFFFAOYSA-N benzonitrile Chemical compound N#CC1=CC=CC=C1 JFDZBHWFFUWGJE-UHFFFAOYSA-N 0.000 title claims abstract description 108
- WGQKYBSKWIADBV-UHFFFAOYSA-N benzylamine Chemical compound NCC1=CC=CC=C1 WGQKYBSKWIADBV-UHFFFAOYSA-N 0.000 title claims abstract description 66
- 238000000034 method Methods 0.000 title claims abstract description 32
- 239000003054 catalyst Substances 0.000 claims abstract description 34
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 claims abstract description 31
- 238000006243 chemical reaction Methods 0.000 claims abstract description 24
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000001257 hydrogen Substances 0.000 claims abstract description 21
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 21
- 239000002994 raw material Substances 0.000 claims abstract description 13
- 229910052763 palladium Inorganic materials 0.000 claims abstract description 11
- 238000009903 catalytic hydrogenation reaction Methods 0.000 claims abstract description 3
- 239000007791 liquid phase Substances 0.000 claims abstract description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 18
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 13
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 claims description 8
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical group ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 7
- 239000002904 solvent Substances 0.000 claims description 7
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 6
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 4
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 4
- -1 bezene Substances 0.000 claims description 4
- 238000002347 injection Methods 0.000 claims description 4
- 239000007924 injection Substances 0.000 claims description 4
- 239000011344 liquid material Substances 0.000 claims description 4
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims description 3
- 230000002194 synthesizing effect Effects 0.000 claims description 3
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 claims description 2
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 claims description 2
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 claims description 2
- 239000002184 metal Substances 0.000 claims description 2
- 229910052751 metal Inorganic materials 0.000 claims description 2
- 239000011148 porous material Substances 0.000 claims description 2
- 239000000654 additive Substances 0.000 abstract description 3
- 230000000996 additive effect Effects 0.000 abstract description 3
- 238000007210 heterogeneous catalysis Methods 0.000 abstract description 2
- 238000009776 industrial production Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 description 10
- HUMNYLRZRPPJDN-UHFFFAOYSA-N benzaldehyde Chemical compound O=CC1=CC=CC=C1 HUMNYLRZRPPJDN-UHFFFAOYSA-N 0.000 description 8
- KCXMKQUNVWSEMD-UHFFFAOYSA-N benzyl chloride Chemical compound ClCC1=CC=CC=C1 KCXMKQUNVWSEMD-UHFFFAOYSA-N 0.000 description 7
- 229940073608 benzyl chloride Drugs 0.000 description 7
- 238000005984 hydrogenation reaction Methods 0.000 description 7
- 239000000047 product Substances 0.000 description 7
- 238000010438 heat treatment Methods 0.000 description 6
- 238000005070 sampling Methods 0.000 description 6
- 239000000243 solution Substances 0.000 description 6
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 4
- QNGNSVIICDLXHT-UHFFFAOYSA-N para-ethylbenzaldehyde Natural products CCC1=CC=C(C=O)C=C1 QNGNSVIICDLXHT-UHFFFAOYSA-N 0.000 description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 3
- NPXOKRUENSOPAO-UHFFFAOYSA-N Raney nickel Chemical compound [Al].[Ni] NPXOKRUENSOPAO-UHFFFAOYSA-N 0.000 description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 3
- 239000002253 acid Substances 0.000 description 3
- 235000019441 ethanol Nutrition 0.000 description 3
- VKYKSIONXSXAKP-UHFFFAOYSA-N hexamethylenetetramine Chemical compound C1N(C2)CN3CN1CN2C3 VKYKSIONXSXAKP-UHFFFAOYSA-N 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 150000003141 primary amines Chemical class 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 239000006004 Quartz sand Substances 0.000 description 2
- YTPLMLYBLZKORZ-UHFFFAOYSA-N Thiophene Chemical compound C=1C=CSC=1 YTPLMLYBLZKORZ-UHFFFAOYSA-N 0.000 description 2
- 238000005576 amination reaction Methods 0.000 description 2
- 238000005915 ammonolysis reaction Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- BWLUMTFWVZZZND-UHFFFAOYSA-N Dibenzylamine Chemical compound C=1C=CC=CC=1CNCC1=CC=CC=C1 BWLUMTFWVZZZND-UHFFFAOYSA-N 0.000 description 1
- 239000007868 Raney catalyst Substances 0.000 description 1
- 229910000564 Raney nickel Inorganic materials 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 239000003513 alkali Substances 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 238000004176 ammonification Methods 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 230000003321 amplification Effects 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000001460 carbon-13 nuclear magnetic resonance spectrum Methods 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 239000000975 dye Substances 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 235000010299 hexamethylene tetramine Nutrition 0.000 description 1
- 239000004312 hexamethylene tetramine Substances 0.000 description 1
- 230000007062 hydrolysis Effects 0.000 description 1
- 238000006460 hydrolysis reaction Methods 0.000 description 1
- 230000002779 inactivation Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000006386 neutralization reaction Methods 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Substances [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 1
- 238000003199 nucleic acid amplification method Methods 0.000 description 1
- 230000020477 pH reduction Effects 0.000 description 1
- 229920000728 polyester Polymers 0.000 description 1
- 238000000425 proton nuclear magnetic resonance spectrum Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 150000003335 secondary amines Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 229910000162 sodium phosphate Inorganic materials 0.000 description 1
- 235000013599 spices Nutrition 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 150000003512 tertiary amines Chemical class 0.000 description 1
- 229930192474 thiophene Natural products 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J23/00—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00
- B01J23/38—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals
- B01J23/40—Catalysts comprising metals or metal oxides or hydroxides, not provided for in group B01J21/00 of noble metals of the platinum group metals
- B01J23/44—Palladium
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
- B01J35/64—Pore diameter
- B01J35/643—Pore diameter less than 2 nm
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J35/00—Catalysts, in general, characterised by their form or physical properties
- B01J35/60—Catalysts, in general, characterised by their form or physical properties characterised by their surface properties or porosity
- B01J35/64—Pore diameter
- B01J35/647—2-50 nm
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B82—NANOTECHNOLOGY
- B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
- B82Y40/00—Manufacture or treatment of nanostructures
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
- C07C209/44—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of carboxylic acids or esters thereof in presence of ammonia or amines, or by reduction of nitriles, carboxylic acid amides, imines or imino-ethers
- C07C209/48—Preparation of compounds containing amino groups bound to a carbon skeleton by reduction of carboxylic acids or esters thereof in presence of ammonia or amines, or by reduction of nitriles, carboxylic acid amides, imines or imino-ethers by reduction of nitriles
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Nanotechnology (AREA)
- Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- General Physics & Mathematics (AREA)
- Manufacturing & Machinery (AREA)
- Crystallography & Structural Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
本发明涉及一种苯甲腈连续化加氢制备苄胺的方法,属于非均相催化技术领域。该方法以苯甲腈为原料、纳米多孔钯为催化剂、氢气为氢源,利用固定床液相催化加氢工艺将苯甲腈合成为苄胺。本发明反应条件温和、反应选择性高,无添加剂,操作友好,稳定性好,便于工业化生产。
Description
技术领域
本发明涉及一种苯甲腈连续化加氢制备苄胺的方法,属于非均相催化技术领域。
背景技术
苄胺类化合物是一种用途非常广泛的有机化工产品和原料,在香料、医药、染料和聚酯等行业应用广泛,开发利用前景广阔。
目前苄胺类化合物生产方法大体分为四种,苄氯加成法是以苄氯与乌洛托品(六亚甲基四胺)为原料,经水解、酸化、分离、中和等步骤而得到苯甲胺;苄氯胺解法则以苄氯与氨水为原料,经胺化、中和等步骤而得到苯甲胺。这两种方法都已在工业上得以应用,相比较而言,苄氯加成法的产率较高,但也仅有60%,且其工艺流程复杂繁琐,副反应多且由于涉及酸、碱共同反应,对反应器材质要求较高。苯甲醛氨化法是以苯甲醛为原料,在RaneyNi催化剂作用下苯甲醛和氨气进行反应制备苯甲胺。苯甲腈加氢法则是以苯甲腈为原料,在Raney Ni催化剂作用下直接加氢获得苯甲胺。苯甲醛氨化法与苯甲腈加氢法,二者在反应条件方面要求较苄氯加成法与苄氯氨解法更为苛刻,但苯甲胺收率有了明显提升,尤其是苯甲腈加氢法制苯甲胺产率极高,且为原子经济性反应,近年来受到研发人员极大关注(Chem.Commun.1978,23,1074)。除雷尼镍外,目前文献中对于苯甲腈加氢反应催化剂研究集中于:Ni负载型催化剂和及Pd基催化剂。Hata等将Ni基催化剂用于苯甲腈加氢反应,发现以乙醇为溶剂,反应温度为20℃时,在反应体系中加入适量的噻吩可以提高苯甲胺的选择性,当苯甲腈完全转化时,苯甲胺的收率可达70%(B.Chem.Soc.Jpn.1959,32,861)。等将Pd基催化剂用于苯甲腈加氢反应,研究了催化剂载体种类、催化剂用量、酸添加剂用量、溶剂种类以及工艺条件对催化性能的影响(Appl.Catal.A-Gen.2008,349,40)。结果表明,选择NaH2PO4为助剂,以水/二氯甲烷作为溶剂,苯甲胺的收率可达95%。作者认为,NaH2PO4可以与苯甲胺生成盐,从而避免了伯胺进一步生成仲胺和叔胺是提高伯胺选择性的原因。Hartung在1928年研究时发现,当选择Pd/C催化剂用于苯甲腈加氢反应时,加入大当量盐酸可以得到较为纯净的苯甲胺,否则则会得到苯甲胺、二苄胺及氨的混合物,说明强酸对伯胺选择性的促进作用(J.Am.Chem.Soc.1928,50,3370)。
发明内容
为了解决现有技术中存在的能耗高、反应条件苛刻、催化剂易失活、选择性差和需要添加剂等问题,本发明目的是提供一种工艺简单、低能耗、低成本、收率高、环境友好苯甲腈连续化催化加氢合成苄胺的方法。
为了实现上述发明目的,解决己有技术中存在的问题,本发明采取的技术方案是:
一种苯甲腈连续化加氢制备苄胺的方法,以苯甲腈为原料、纳米多孔钯为催化剂、氢气为氢源,利用固定床液相催化加氢工艺将苯甲腈合成为苄胺,催化剂连续运转400小时活性未降低。反应路线如下:
所述溶剂为CH2Cl2、CHCl3、CCl4、THF、CHCl3、CH3CN、acetone、1,4-dioxane、toluene、benzene、DMF、DMSO、DMA、EtOH、MeOH中的一种或两种以上混合;
所述纳米多孔金属催化剂选自纳米多孔钯催化剂,孔径大小在1-50nm之间;
所述固定床反应温度为30℃~80℃;
所述氢油比(氢气流量和液体物料流量比)为10~500;
所述氢气压力为0.1MPa~1.0MPa;
所述液体物料进样流量为0.01mL/min~1.00mL/min;
所述氢气进样流量为5mL/min~200mL/min;
称取纳米多孔钯催化剂和40目~80目石英砂,于玛瑙碾钵中碾磨5分钟,使其混合均匀,并将其加入固定床反应器中恒温区,用泵将溶剂打入固定床反应器,升温至30℃~80℃,调节氢气流量和压力,将一定浓度的苯甲腈溶液加至反应器中,控制反应器温度,反应物料定时取样分析,真空除溶剂得到苄胺。
本发明有益效果是:
(1)本发明反应条件温和,操作友好低温低压,安全环保,有利于进一步工业化放大。
(2)本发明苄胺选择性高,副产物少,原子经济高。
(3)本发明催化剂性能稳定,长时间运转活性未降低。
(4)本发明采用的催化剂是通过脱合金法制备的纳米多孔钯催化剂,孔径大小在1-50nm之间,该催化剂制备简单,无需载体。
附图说明
图1是实施例中产物苄胺的1H NMR谱图。
图2是实施例中产物苄胺的13C NMR谱图。
具体实施方式
下面结合实施例对本发明作进一步说明,但本发明保护范围不限于此。
实施例1
固定床反应器中加入80mg纳米多孔钯催化剂,用泵将无水甲醇连续加入至固定床反应器充满,升温至60℃,调节氢气压力为0.5MPa,氢气流量为100mL/min,待温度压力稳定后,用泵将质量分数3%苯甲腈和97%甲醇连续加入固定床反应器,调节苯甲腈溶液流量为0.40mL/min,反应物料定时取样分析,原料转化率为94.9%,选择性为97.3%。物料经精馏可得苄胺产品。运行时间100h。
对比例1
固定床反应器中加入1600mg的Pd/C催化剂(Pd/C催化剂中含Pd量为5%),用泵将无水甲醇连续加入至固定床反应器充满,升温至60℃,调节氢气压力为0.5MPa,氢气流量为100mL/min,待温度压力稳定后,用泵将质量分数3%苯甲腈和97%甲醇连续加入固定床反应器,调节苯甲腈溶液流量为0.40mL/min,反应物料定时取样分析,原料转化率为93%,得到痕量的苯甲胺。运行时间100h。
实施例2
固定床反应器中加入80mg纳米多孔钯催化剂,用泵将无水乙醇连续加入至固定床反应器充满,升温至30℃,调节氢气压力为0.5MPa,氢气流量为100mL/min,待温度压力稳定后,用泵将质量分数5%苯甲腈和95%乙醇连续加入固定床反应器,调节苯甲腈溶液流量为0.40mL/min,反应物料定时取样分析,原料转化率为60%,选择性为98%。物料经精馏可得苄胺产品。运行时间100h。
实施例3
固定床反应器中加入80mg纳米多孔钯催化剂,用泵将无水乙醇连续加入至固定床反应器充满,升温至80℃,调节氢气压力为1.0MPa,氢气流量为100mL/min,待温度压力稳定后,用泵将质量分数5%苯甲腈和95%乙醇连续加入固定床反应器,调节苯甲腈溶液流量为0.30mL/min,反应物料定时取样分析,原料转化率为100%,选择性为72%。物料经精馏可得苄胺产品。运行时间100h。
实施例4
固定床反应器中加入80mg纳米多孔钯催化剂,用泵将正己烷连续加入至固定床反应器充满,升温至80℃,调节氢气压力为0.5MPa,氢气流量为100mL/min,待温度压力稳定后,用泵将质量分数5%苯甲腈和95%正己烷连续加入固定床反应器,调节苯甲腈溶液流量为0.30mL/min,反应物料定时取样分析,原料转化率为72%,选择性为76%。物料经精馏可得苄胺产品。运行时间100h。
Claims (4)
1.一种苯甲腈连续化加氢制备苄胺的方法,其特征在于:以苯甲腈为原料、纳米多孔钯为催化剂、氢气为氢源,利用固定床液相催化加氢工艺将苯甲腈合成为苄胺,催化剂连续运转400小时活性未降低;反应路线如下:
所述溶剂为CH2Cl2、CHCl3、CCl4、THF、CHCl3、CH3CN、acetone、1,4-dioxane、toluene、benzene、DMF、DMSO、DMA、EtOH、MeOH中的一种或两种以上混合;
所述纳米多孔金属催化剂为纳米多孔钯催化剂,孔径大小在1-50nm之间;
所述固定床反应温度为30℃~80℃。
2.如权利要求1所述的苯甲腈连续化加氢制备苄胺的方法,其特征在于:所述氢气流量和液体物料流量比为10~500,所述氢气压力为0.1MPa~1.0MPa。
3.如权利要求1或2所述的苯甲腈连续化加氢制备苄胺的方法,其特征在于:所述液体物料进样流量为0.01mL/min~1.00mL/min。
4.如权利要求3所述的苯甲腈连续化加氢制备苄胺的方法,其特征在于:所述氢气进样流量为5mL/min~200mL/min。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910826172.7A CN110590563A (zh) | 2019-09-03 | 2019-09-03 | 一种苯甲腈连续化加氢制备苄胺的方法 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201910826172.7A CN110590563A (zh) | 2019-09-03 | 2019-09-03 | 一种苯甲腈连续化加氢制备苄胺的方法 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN110590563A true CN110590563A (zh) | 2019-12-20 |
Family
ID=68857245
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201910826172.7A Pending CN110590563A (zh) | 2019-09-03 | 2019-09-03 | 一种苯甲腈连续化加氢制备苄胺的方法 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN110590563A (zh) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113527021A (zh) * | 2021-07-22 | 2021-10-22 | 大连理工大学 | 一种甲酰胺类化合物的制备方法 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104496826A (zh) * | 2014-12-16 | 2015-04-08 | 上海华谊(集团)公司 | 苯甲腈催化加氢制备苯甲胺的方法 |
CN104557564A (zh) * | 2014-12-16 | 2015-04-29 | 上海华谊(集团)公司 | 苯甲胺的制备方法 |
CN104803856A (zh) * | 2015-03-31 | 2015-07-29 | 常州大学 | 一种苯甲腈连续催化加氢合成苄胺的方法 |
US20160279619A1 (en) * | 2015-03-25 | 2016-09-29 | Brown University | Graphene-Supported NiPd Alloy Nanoparticles for Effective Catalysis of Tandem Dehydrogenation of Ammonia Borane and Hydrogenation of Nitro/Nitrile Compounds |
CN108484410A (zh) * | 2018-03-04 | 2018-09-04 | 兰州大学 | 一种苯甲腈直接常压加氢制备苯甲胺的方法 |
CN109180498A (zh) * | 2018-09-20 | 2019-01-11 | 大连理工大学 | 一种取代脂肪族伯胺的制备方法 |
-
2019
- 2019-09-03 CN CN201910826172.7A patent/CN110590563A/zh active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104496826A (zh) * | 2014-12-16 | 2015-04-08 | 上海华谊(集团)公司 | 苯甲腈催化加氢制备苯甲胺的方法 |
CN104557564A (zh) * | 2014-12-16 | 2015-04-29 | 上海华谊(集团)公司 | 苯甲胺的制备方法 |
US20160279619A1 (en) * | 2015-03-25 | 2016-09-29 | Brown University | Graphene-Supported NiPd Alloy Nanoparticles for Effective Catalysis of Tandem Dehydrogenation of Ammonia Borane and Hydrogenation of Nitro/Nitrile Compounds |
CN104803856A (zh) * | 2015-03-31 | 2015-07-29 | 常州大学 | 一种苯甲腈连续催化加氢合成苄胺的方法 |
CN108484410A (zh) * | 2018-03-04 | 2018-09-04 | 兰州大学 | 一种苯甲腈直接常压加氢制备苯甲胺的方法 |
CN109180498A (zh) * | 2018-09-20 | 2019-01-11 | 大连理工大学 | 一种取代脂肪族伯胺的制备方法 |
Non-Patent Citations (1)
Title |
---|
王志英: "苯甲腈选择性催化加氢制苄胺催化剂研究", 《上海大学硕士学位论文》 * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113527021A (zh) * | 2021-07-22 | 2021-10-22 | 大连理工大学 | 一种甲酰胺类化合物的制备方法 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN102285891B (zh) | 一种由芳香硝基化合物催化加氢制备芳胺的方法 | |
CN103319313B (zh) | 氧芴开环制备邻苯基苯酚的方法 | |
CN102728386A (zh) | 一种Pd-Ni/Al2O3催化剂及其制备方法和用途 | |
CN105061385A (zh) | 一种碱性离子液体催化合成4H-苯并[b]吡喃衍生物的方法 | |
CN110975882B (zh) | 一种苯甲醇合成用催化剂的制备方法和催化加氢体系 | |
CN100404497C (zh) | 一种还原腈制备胺的方法 | |
KR101148311B1 (ko) | 알코올의 제조방법 및 산처리 라니 촉매 | |
CN104557564B (zh) | 苯甲胺的制备方法 | |
CN101880242B (zh) | 以雷尼镍为催化剂制备3-氨基-4-甲氧基乙酰苯胺的方法 | |
CN108409692A (zh) | 一种硫掺杂碳材料负载钌催化剂催化乙酰丙酸加氢制取γ-戊内酯的方法 | |
CN110590563A (zh) | 一种苯甲腈连续化加氢制备苄胺的方法 | |
CN109796346A (zh) | 一种硝基化合物连续化加氢制备芳香胺的方法 | |
CN104650014A (zh) | 一种高效催化氧化糠醛制备糠酸甲酯的方法 | |
CN109678732B (zh) | 一种连续生产5-氨基-1-戊醇的方法 | |
CN103450010B (zh) | 一种制备环己基甲酸的方法 | |
CN112010765A (zh) | 一种硝基苯转移加氢制备对氨基苯酚的方法 | |
CN107365251B (zh) | 一种环己基甲酸的制备方法 | |
CN107417494B (zh) | 一种脂肪酸原位加氢制备脂肪醇的方法 | |
CN109053462B (zh) | 一种对氟苯胺的制备方法 | |
CN110172029B (zh) | 一种连续合成2-氨基-2-甲基-1-丙醇的方法 | |
CN113559935A (zh) | 一种香茅醛环氧化物制备羟基香茅醛的催化剂体系和方法 | |
US20210347750A1 (en) | Rapid synthesis method for biomass-based amine | |
CN101531574A (zh) | 一种制备3,4,5-三甲氧基甲苯的方法 | |
CN108623472A (zh) | 一种连续制备对氨基二苯胺的方法 | |
CN111747854A (zh) | 一种催化氢化已二腈制已二胺的方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20191220 |
|
WD01 | Invention patent application deemed withdrawn after publication |