CN1056831C - 二苯酮亚胺的制备方法 - Google Patents
二苯酮亚胺的制备方法 Download PDFInfo
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- CN1056831C CN1056831C CN95121847A CN95121847A CN1056831C CN 1056831 C CN1056831 C CN 1056831C CN 95121847 A CN95121847 A CN 95121847A CN 95121847 A CN95121847 A CN 95121847A CN 1056831 C CN1056831 C CN 1056831C
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- oxide compound
- benzophenone imines
- titanium
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- benzophenone
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- 239000012965 benzophenone Substances 0.000 title claims abstract description 30
- -1 benzophenone imines Chemical class 0.000 title claims abstract description 20
- 238000002360 preparation method Methods 0.000 title description 4
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 21
- 239000000203 mixture Substances 0.000 claims abstract description 12
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 claims abstract description 8
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims abstract description 8
- QCWXUUIWCKQGHC-UHFFFAOYSA-N Zirconium Chemical compound [Zr] QCWXUUIWCKQGHC-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052782 aluminium Inorganic materials 0.000 claims abstract description 8
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910052710 silicon Inorganic materials 0.000 claims abstract description 8
- 239000010703 silicon Substances 0.000 claims abstract description 8
- 229910052719 titanium Inorganic materials 0.000 claims abstract description 8
- 239000010936 titanium Substances 0.000 claims abstract description 8
- 229910052726 zirconium Inorganic materials 0.000 claims abstract description 8
- 229910052720 vanadium Inorganic materials 0.000 claims abstract description 7
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims abstract description 6
- GYHNNYVSQQEPJS-UHFFFAOYSA-N Gallium Chemical compound [Ga] GYHNNYVSQQEPJS-UHFFFAOYSA-N 0.000 claims abstract description 6
- ATJFFYVFTNAWJD-UHFFFAOYSA-N Tin Chemical compound [Sn] ATJFFYVFTNAWJD-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052787 antimony Inorganic materials 0.000 claims abstract description 6
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052797 bismuth Inorganic materials 0.000 claims abstract description 6
- JCXGWMGPZLAOME-UHFFFAOYSA-N bismuth atom Chemical compound [Bi] JCXGWMGPZLAOME-UHFFFAOYSA-N 0.000 claims abstract description 6
- 229910052796 boron Inorganic materials 0.000 claims abstract description 6
- 229910052733 gallium Inorganic materials 0.000 claims abstract description 6
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 6
- 239000001257 hydrogen Substances 0.000 claims abstract description 6
- 229910052718 tin Inorganic materials 0.000 claims abstract description 6
- 229910052758 niobium Inorganic materials 0.000 claims abstract description 5
- 239000010955 niobium Substances 0.000 claims abstract description 5
- GUCVJGMIXFAOAE-UHFFFAOYSA-N niobium atom Chemical compound [Nb] GUCVJGMIXFAOAE-UHFFFAOYSA-N 0.000 claims abstract description 5
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052785 arsenic Inorganic materials 0.000 claims abstract description 4
- RQNWIZPPADIBDY-UHFFFAOYSA-N arsenic atom Chemical compound [As] RQNWIZPPADIBDY-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052732 germanium Inorganic materials 0.000 claims abstract description 4
- GNPVGFCGXDBREM-UHFFFAOYSA-N germanium atom Chemical compound [Ge] GNPVGFCGXDBREM-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052738 indium Inorganic materials 0.000 claims abstract description 4
- APFVFJFRJDLVQX-UHFFFAOYSA-N indium atom Chemical compound [In] APFVFJFRJDLVQX-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052698 phosphorus Inorganic materials 0.000 claims abstract description 4
- 239000011574 phosphorus Substances 0.000 claims abstract description 4
- 229910052706 scandium Inorganic materials 0.000 claims abstract description 4
- SIXSYDAISGFNSX-UHFFFAOYSA-N scandium atom Chemical compound [Sc] SIXSYDAISGFNSX-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052715 tantalum Inorganic materials 0.000 claims abstract description 4
- GUVRBAGPIYLISA-UHFFFAOYSA-N tantalum atom Chemical compound [Ta] GUVRBAGPIYLISA-UHFFFAOYSA-N 0.000 claims abstract description 4
- 229910052727 yttrium Inorganic materials 0.000 claims abstract description 4
- VWQVUPCCIRVNHF-UHFFFAOYSA-N yttrium atom Chemical compound [Y] VWQVUPCCIRVNHF-UHFFFAOYSA-N 0.000 claims abstract description 4
- 150000008366 benzophenones Chemical class 0.000 claims abstract description 3
- 238000000034 method Methods 0.000 claims description 17
- 150000001875 compounds Chemical class 0.000 claims description 14
- 238000006243 chemical reaction Methods 0.000 claims description 7
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 claims description 6
- 239000004411 aluminium Substances 0.000 claims description 6
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 claims description 6
- GPPXJZIENCGNKB-UHFFFAOYSA-N vanadium Chemical compound [V]#[V] GPPXJZIENCGNKB-UHFFFAOYSA-N 0.000 claims description 6
- 125000003368 amide group Chemical group 0.000 claims description 3
- 150000002431 hydrogen Chemical class 0.000 claims description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims 1
- ABLLXXOPOBEPIU-UHFFFAOYSA-N niobium vanadium Chemical compound [V].[Nb] ABLLXXOPOBEPIU-UHFFFAOYSA-N 0.000 claims 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 abstract description 2
- 238000004519 manufacturing process Methods 0.000 abstract description 2
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical compound [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 abstract 1
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 15
- RWCCWEUUXYIKHB-UHFFFAOYSA-N benzophenone Chemical compound C=1C=CC=CC=1C(=O)C1=CC=CC=C1 RWCCWEUUXYIKHB-UHFFFAOYSA-N 0.000 description 13
- 229910021529 ammonia Inorganic materials 0.000 description 8
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- 239000012071 phase Substances 0.000 description 6
- 238000004821 distillation Methods 0.000 description 5
- 230000009466 transformation Effects 0.000 description 5
- 230000004927 fusion Effects 0.000 description 3
- ZCUFMDLYAMJYST-UHFFFAOYSA-N thorium dioxide Chemical compound O=[Th]=O ZCUFMDLYAMJYST-UHFFFAOYSA-N 0.000 description 3
- GMVPRGQOIOIIMI-DODZYUBVSA-N 7-[(1R,2R,3R)-3-hydroxy-2-[(3S)-3-hydroxyoct-1-enyl]-5-oxocyclopentyl]heptanoic acid Chemical compound CCCCC[C@H](O)C=C[C@H]1[C@H](O)CC(=O)[C@@H]1CCCCCCC(O)=O GMVPRGQOIOIIMI-DODZYUBVSA-N 0.000 description 2
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonia chloride Chemical compound [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 125000002147 dimethylamino group Chemical group [H]C([H])([H])N(*)C([H])([H])[H] 0.000 description 2
- 239000007791 liquid phase Substances 0.000 description 2
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- WIHIUTUAHOZVLE-UHFFFAOYSA-N 1,3-diethoxypropan-2-ol Chemical compound CCOCC(O)COCC WIHIUTUAHOZVLE-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 235000019270 ammonium chloride Nutrition 0.000 description 1
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 1
- 239000004305 biphenyl Substances 0.000 description 1
- 244000309464 bull Species 0.000 description 1
- 230000015556 catabolic process Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 230000001186 cumulative effect Effects 0.000 description 1
- 238000006731 degradation reaction Methods 0.000 description 1
- 125000000031 ethylamino group Chemical group [H]C([H])([H])C([H])([H])N([H])[*] 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 125000006606 n-butoxy group Chemical group 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 description 1
- 125000002572 propoxy group Chemical group [*]OC([H])([H])C(C([H])([H])[H])([H])[H] 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C251/00—Compounds containing nitrogen atoms doubly-bound to a carbon skeleton
- C07C251/02—Compounds containing nitrogen atoms doubly-bound to a carbon skeleton containing imino groups
- C07C251/24—Compounds containing nitrogen atoms doubly-bound to a carbon skeleton containing imino groups having carbon atoms of imino groups bound to carbon atoms of six-membered aromatic rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C251/00—Compounds containing nitrogen atoms doubly-bound to a carbon skeleton
- C07C251/02—Compounds containing nitrogen atoms doubly-bound to a carbon skeleton containing imino groups
- C07C251/04—Compounds containing nitrogen atoms doubly-bound to a carbon skeleton containing imino groups having carbon atoms of imino groups bound to hydrogen atoms or to acyclic carbon atoms
- C07C251/10—Compounds containing nitrogen atoms doubly-bound to a carbon skeleton containing imino groups having carbon atoms of imino groups bound to hydrogen atoms or to acyclic carbon atoms to carbon atoms of an unsaturated carbon skeleton
- C07C251/16—Compounds containing nitrogen atoms doubly-bound to a carbon skeleton containing imino groups having carbon atoms of imino groups bound to hydrogen atoms or to acyclic carbon atoms to carbon atoms of an unsaturated carbon skeleton containing six-membered aromatic rings
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C249/00—Preparation of compounds containing nitrogen atoms doubly-bound to a carbon skeleton
- C07C249/02—Preparation of compounds containing nitrogen atoms doubly-bound to a carbon skeleton of compounds containing imino groups
Abstract
本发明公开了一种制备通式I的二苯酮亚胺的方法:
此处,R1至R6是氢,C1-至C4-烷氧基,C1-至C2-烷基氨基或C2-至C4-二烷基氨基,其中,包括使通式II的二苯酮类:
此处,R1至R6如上文所定义,在液态氨中在元素硼、铝、镓、铟、硅、锗、锡、铅、磷、砷、锑、铋、钪、钇、钛、锆、钒、铌、钽的氧化物或其混合物存在下在50至150℃和50至350巴下反应。
Description
本发明涉及在液态氨中由二苯酮制备二苯酮亚胺的方法。
在熔融形式的或在溶液中的二苯酮与气态或液态氨的直接反应中,作为催化剂必须加入氯化铁(III)(JP-A-61/030563,产率:57%)、有机酸,如苯甲酸(US-A-4130586,产率:18-65%)或氯化铵(SynthetiC CommuniCations 18(1988),1501-1511;产率:94%)。这些方法的缺点是,在某些情况下产率低,但尤其是除去催化剂或强制累积的盐的过程复杂。
在激烈的条件下(400℃),二苯酮可以在气相中在氧化钍[Nippon Kagaku Kaishi(1973),1392-1396 or Compt.Rend.169(1919),237-239]或氧化钍/氧化硅[Nippon Kagaku Kaishi(1974),2216-2218]存在下与多相催剂化反应。该方法的缺点是工艺复杂(高温,高真空)和分解产物比例高。
在液相中二苯酮与气态氨在离子交换剂存在下的多相催化反应在Chemistry Letters(1976),205-206中公开。然而,10%的产率是不满意地低。
US-A-4083869公开了制备二苯酮亚胺的方法,其中,二苯酮在液相中,优选在有机溶剂剂中,与气态或超临界氨在第III至第V族的第2至第5周期的金属的氧化物,例如,氧化钛或氧化铝存在下,在150至250℃和1至50巴反应。然而,至多60%的产率是不能令人满意的。
本发明的目的在于克服上述缺点。
这里,R1至R6如上文所定义,在液态氨中在元素硼、铝、镓、铟、硅、锗、锡、铅、磷、砷、锑、铋、钪、钇、钛、锆、钒、铌、钽的氧化物或其混合物存在下在50至150℃和50至350巴下反应。
本发明的方法按如下进行:
本方法可以间歇地或在搅拌高压釜或在连续地在管式反应器中,优选连续地在管式反应器中,在50-150℃,优选在80-140℃,尤其优选在120-140℃和在50至350巴,优选在150至250巴,尤其优选180至220巴下进行。
合适的催化剂是元素硼、铝、镓、铟、硅、锗、锡、铅、磷、砷、锑、铋、钪、钇、钛、锆、钒、铌和钽的氧化物或其混合物,优选元素硼、铝、镓、硅、锡、铅、锑、铋、钛、锆、钒和铌的氧化物或其混合氧化物,尤其优选元素铝、硅、钛、锆和钒的氧化物或其混合物氧化物,尤其是氧化钛。
催化剂可以粉末形式(搅拌高压釜)或以片或挤出物形式(管式反应器)使用。
在反应过程中或在反应之后反应水的分离是不需要的。
在连续过程中,进料一般调节为每小时每升催化剂0.1至0.6kg二苯酮,优选0.2至0.4kg/l/h。
二苯酮可以熔融形式或在溶液中使用,优选以熔融形式使用。
氨以液态形式使用。优选的是,每kg二苯酮使用1至10kg氨,尤其优选3至6kg/kg。
二苯酮亚胺用作制备遮光剂(light screens)(例如,2-氰基-3,3-二苯基丙烯酸乙酯)的中间体[bull.Chem.Soc.Fr.(1963)1576-1583]。
化合物I和II中的取代基R1至R6有如下含义:
R1,R2,R3,R5和R6彼此独立地是
-氢,
-C1-至C4-烷氧基,例如,甲氧基、乙氧基、正丙氧基、异丙氧基、正丁氧基、异丁氧基、仲丁氧基和叔丁氧基,优选甲氧基、乙氧基、正丙氧基和正丁氧基,尤其优选甲氧基和乙氧基,
-C1-至C2-烷基氨基,例如,甲氨基和乙氨基,优选甲氨基,
-C2-至C4-二烷基氨基,例如,二甲氨基和二乙氨基,优选二甲氨基。
其中R1至R6是氢的化合物是尤其优选的。
实施例1
在250ml搅拌的高压釜中,将在125ml氨中的15g二苯酮与2g氧化钍粉末一起在200巴和130℃下搅拌5小时。在蒸馏去氨和除去催化剂后,排出的两相混合物用二甲基甲酰胺均化,并用GC测定:
转化率:95%
选择性:99%
实施例2
在200巴和130℃,将180g二苯酮/h和720g氨/h通入装填300ml氧化钛(3mm挤出物)的管式反应器中。在蒸馏去氨后,排出的两相混合物用二甲基甲酰胺均化,并用GC测定:
转化率:95%
选择性:99%
实施例3
在200巴和130℃,将60g二苯酮/h和720g氨/h通入装填300ml氧化钛(3mm挤出物)的管式反应器中。在蒸馏去氨后,排出的两相混合物用二甲基甲酰胺均化,并用GC测定:
转化率:98%
选择性:99%
实施例4
在120巴和130℃,将每小时24g25%浓度的甲醇的二苯酮溶液和36g氨通入装填60ml氧化钛(3mm挤出物)的管式反应器中。在蒸馏去氨后,排出的两相混合物用二甲基甲酰胺均化,并用GC测定:
转化率:91%
选择性:99%
实施例5
在120巴和130℃,将每小时24g25%浓度的甲醇的二苯酮溶液和36g氨通入装填60ml氧化铝(3mm挤出物)的管式反应器中。在蒸馏去氨后,排出的两相混合物用二甲基甲酰胺均化,并用GC测定:
转化率:58%
选择性:99%
Claims (7)
1.一种制备通式I的二苯酮亚胺的方法:
此处,R1至R6是氢,C1-至C4-烷氧基,C1至C2-烷基氨基或C2-至C4-二烷基氨基,其中,包括使通式II的二苯酮类:
此处,R1至R6如上文所定义,在液态氨中在元素硼、铝、镓、铟、硅、锗、锡、铅、磷、砷、锑、铋、钪、钇、钛、锆、钒铌、钽的氧化物或其混合物存在下在50至150℃和50至350巴下反应。
2.根据权利要求1中要求保护的制备二苯酮亚胺的方法,其中R1至R6是氢。
3.根据权利要求1中要求保护的制备二苯酮亚胺的方法,其中所使用的氧化物是元素硼、铝、镓、硅、锡、铅、锑、铋、钛、锆、钒、铌的氧化物或其混合物。
4.根据权利要求1中要求保持的制备二苯酮亚胺的方法,其中所使用的氧化物是元素铝、硅、钛、锆、钒的氧化物或其混合物。
5.根据权利要求1中要求保护的制备二苯酮亚胺的方法,其中所使用的氧化物是氧化钛。
6.根据权利要求1中要求保护的制备二苯酮亚胺的方法,其中反应在80至140℃和150至250巴下进行。
7.根据权利要求1中要求保护的制备二苯酮亚胺的方法,其中反应在120至140℃和180至220巴下进行。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEP4442138.9 | 1994-11-26 | ||
DE4442138A DE4442138A1 (de) | 1994-11-26 | 1994-11-26 | Verfahren zur Herstellung von Benzophenonimin |
Publications (2)
Publication Number | Publication Date |
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CN1133835A CN1133835A (zh) | 1996-10-23 |
CN1056831C true CN1056831C (zh) | 2000-09-27 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN95121847A Expired - Lifetime CN1056831C (zh) | 1994-11-26 | 1995-11-26 | 二苯酮亚胺的制备方法 |
Country Status (7)
Country | Link |
---|---|
US (1) | US5679855A (zh) |
EP (1) | EP0713861B1 (zh) |
JP (1) | JP4131575B2 (zh) |
KR (1) | KR100390079B1 (zh) |
CN (1) | CN1056831C (zh) |
DE (2) | DE4442138A1 (zh) |
TW (1) | TW299309B (zh) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
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DE19519894A1 (de) * | 1995-05-31 | 1996-12-05 | Basf Ag | Verfahren zur Herstellung von 2-Cyan-3,3-diarylacrylsäureestern |
DE19642541A1 (de) * | 1996-10-15 | 1998-04-16 | Basf Ag | Verfahren zur Entfernung von Wasser und Ammoniak aus Benzophenonimin-Reaktionsausträgen |
CN100384893C (zh) * | 2005-07-22 | 2008-04-30 | 中国科学院上海有机化学研究所 | 含卤素取代基的酮亚胺类前过渡金属钛配合物、合成方法和用途 |
ATE517078T1 (de) * | 2006-03-10 | 2011-08-15 | Basf Se | Verfahren zur herstellung von benzophenoniminen |
RU2477272C2 (ru) * | 2011-05-04 | 2013-03-10 | Государственное образовательное учреждение высшего профессионального образования Кабардино-Балкарский государственный университет им. Х.М. Бербекова | Кетимины на основе 4,4'-дихлорбензофенона, гуанидина или аминогуанидина и способ их получения |
CN112321458B (zh) * | 2020-10-26 | 2023-04-07 | 宿迁科思化学有限公司 | 一种防晒剂中间体依托立林的制备方法 |
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US4083869A (en) * | 1976-12-02 | 1978-04-11 | Mitsubishi Gas Chemical Company, Inc. | Process for producing imine compounds |
US4130586A (en) * | 1976-09-14 | 1978-12-19 | Mitsubishi Gas Chemical Company, Inc. | Process for producing imine compounds |
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US2533723A (en) * | 1947-07-28 | 1950-12-12 | Nopco Chem Co | Catalytic amine-ketone condensation |
GB1280551A (en) * | 1968-07-01 | 1972-07-05 | Sandoz Ltd | Quinazoline derivatives |
GB1549937A (en) * | 1976-09-14 | 1979-08-08 | Mitsubishi Gas Chemical Co | Process for producing imine compounds |
JPS5930563A (ja) * | 1982-08-13 | 1984-02-18 | Comput Basic Mach Technol Res Assoc | 現像装置 |
-
1994
- 1994-11-26 DE DE4442138A patent/DE4442138A1/de not_active Withdrawn
-
1995
- 1995-11-17 DE DE59505029T patent/DE59505029D1/de not_active Expired - Lifetime
- 1995-11-17 EP EP95118129A patent/EP0713861B1/de not_active Expired - Lifetime
- 1995-11-21 US US08/561,300 patent/US5679855A/en not_active Expired - Lifetime
- 1995-11-24 KR KR1019950043478A patent/KR100390079B1/ko not_active IP Right Cessation
- 1995-11-24 TW TW084112545A patent/TW299309B/zh not_active IP Right Cessation
- 1995-11-26 CN CN95121847A patent/CN1056831C/zh not_active Expired - Lifetime
- 1995-11-27 JP JP30745095A patent/JP4131575B2/ja not_active Expired - Lifetime
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4130586A (en) * | 1976-09-14 | 1978-12-19 | Mitsubishi Gas Chemical Company, Inc. | Process for producing imine compounds |
US4083869A (en) * | 1976-12-02 | 1978-04-11 | Mitsubishi Gas Chemical Company, Inc. | Process for producing imine compounds |
Also Published As
Publication number | Publication date |
---|---|
DE59505029D1 (de) | 1999-03-18 |
EP0713861A1 (de) | 1996-05-29 |
CN1133835A (zh) | 1996-10-23 |
JP4131575B2 (ja) | 2008-08-13 |
JPH08208582A (ja) | 1996-08-13 |
KR960017623A (ko) | 1996-06-17 |
KR100390079B1 (ko) | 2004-03-20 |
TW299309B (zh) | 1997-03-01 |
EP0713861B1 (de) | 1999-02-03 |
DE4442138A1 (de) | 1996-05-30 |
US5679855A (en) | 1997-10-21 |
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