CA1050023A - Process for the preparation of benzylamines - Google Patents
Process for the preparation of benzylaminesInfo
- Publication number
- CA1050023A CA1050023A CA194,467A CA194467A CA1050023A CA 1050023 A CA1050023 A CA 1050023A CA 194467 A CA194467 A CA 194467A CA 1050023 A CA1050023 A CA 1050023A
- Authority
- CA
- Canada
- Prior art keywords
- amino
- group
- formula
- methyl
- compound
- 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.)
- Expired
Links
- 238000000034 method Methods 0.000 title claims abstract description 30
- 238000002360 preparation method Methods 0.000 title claims abstract description 11
- 150000003939 benzylamines Chemical class 0.000 title abstract description 4
- -1 hydroxy-cyclohexyl group Chemical group 0.000 claims abstract description 29
- 150000001875 compounds Chemical class 0.000 claims abstract description 21
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims abstract description 17
- 239000002253 acid Substances 0.000 claims abstract description 12
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical group [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910052801 chlorine Inorganic materials 0.000 claims abstract description 9
- 150000003839 salts Chemical class 0.000 claims abstract description 9
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000000460 chlorine Substances 0.000 claims abstract description 8
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 claims abstract description 4
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 3
- 125000004432 carbon atom Chemical group C* 0.000 claims abstract description 3
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 3
- 239000001257 hydrogen Substances 0.000 claims abstract description 3
- 230000000269 nucleophilic effect Effects 0.000 claims abstract description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 30
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 24
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 12
- BHUKCEYZKFAGEY-UHFFFAOYSA-N 2-(methylamino)-1-morpholin-4-ylethanone Chemical compound CNCC(=O)N1CCOCC1 BHUKCEYZKFAGEY-UHFFFAOYSA-N 0.000 claims description 8
- XTUVJUMINZSXGF-UHFFFAOYSA-N N-methylcyclohexylamine Chemical compound CNC1CCCCC1 XTUVJUMINZSXGF-UHFFFAOYSA-N 0.000 claims description 8
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 8
- PAMIQIKDUOTOBW-UHFFFAOYSA-N N-methylcyclohexylamine Natural products CN1CCCCC1 PAMIQIKDUOTOBW-UHFFFAOYSA-N 0.000 claims description 7
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 claims description 6
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 claims description 6
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 claims description 6
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 6
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims description 6
- 150000007530 organic bases Chemical group 0.000 claims description 6
- 239000002904 solvent Substances 0.000 claims description 6
- IMLXLGZJLAOKJN-UHFFFAOYSA-N 4-aminocyclohexan-1-ol Chemical compound NC1CCC(O)CC1 IMLXLGZJLAOKJN-UHFFFAOYSA-N 0.000 claims description 5
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 5
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 5
- MATBFMBXNFVYFU-UHFFFAOYSA-N (2-amino-3,5-dibromophenyl)methyl butanoate Chemical compound C(CCC)(=O)OCC1=C(C(=CC(=C1)Br)Br)N MATBFMBXNFVYFU-UHFFFAOYSA-N 0.000 claims description 4
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Chemical compound BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims description 4
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 4
- OPSGXDRGDXGWRZ-UHFFFAOYSA-N (2-amino-3,5-dibromophenyl)methyl benzoate Chemical compound C(C1=CC=CC=C1)(=O)OCC1=C(C(=CC(=C1)Br)Br)N OPSGXDRGDXGWRZ-UHFFFAOYSA-N 0.000 claims description 3
- ORQYYPBSYGMGAM-UHFFFAOYSA-N (2-benzamido-6-chlorophenyl)methyl benzoate Chemical compound C(C1=CC=CC=C1)(=O)OCC1=C(C=CC=C1Cl)NC(C1=CC=CC=C1)=O ORQYYPBSYGMGAM-UHFFFAOYSA-N 0.000 claims description 3
- 125000004423 acyloxy group Chemical group 0.000 claims description 3
- JBDGDEWWOUBZPM-XYPYZODXSA-N ambroxol Chemical compound NC1=C(Br)C=C(Br)C=C1CN[C@@H]1CC[C@@H](O)CC1 JBDGDEWWOUBZPM-XYPYZODXSA-N 0.000 claims description 3
- 125000003236 benzoyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C(*)=O 0.000 claims description 3
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 claims description 3
- LMBFAGIMSUYTBN-MPZNNTNKSA-N teixobactin Chemical compound C([C@H](C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(=O)N[C@H](CCC(N)=O)C(=O)N[C@H]([C@@H](C)CC)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(=O)N[C@H]1C(N[C@@H](C)C(=O)N[C@@H](C[C@@H]2NC(=N)NC2)C(=O)N[C@H](C(=O)O[C@H]1C)[C@@H](C)CC)=O)NC)C1=CC=CC=C1 LMBFAGIMSUYTBN-MPZNNTNKSA-N 0.000 claims description 3
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 claims description 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical group [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 claims description 2
- KIQKWAUQWIPLSX-UHFFFAOYSA-N N-[3-chloro-2-[[methyl-(2-morpholin-2-yl-2-oxoethyl)amino]methyl]phenyl]benzamide Chemical compound C(C1=CC=CC=C1)(=O)NC1=C(CN(CC(=O)C2CNCCO2)C)C(=CC=C1)Cl KIQKWAUQWIPLSX-UHFFFAOYSA-N 0.000 claims description 2
- 229910052794 bromium Inorganic materials 0.000 claims description 2
- 229910052740 iodine Inorganic materials 0.000 claims description 2
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 claims 3
- 229910000041 hydrogen chloride Inorganic materials 0.000 claims 3
- ZOGAHSLQUDNETJ-UHFFFAOYSA-N 2,4-dibromo-6-(chloromethyl)aniline Chemical compound NC1=C(Br)C=C(Br)C=C1CCl ZOGAHSLQUDNETJ-UHFFFAOYSA-N 0.000 claims 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 claims 2
- LQJWJYOEORRDRY-UHFFFAOYSA-N 2,4-dibromo-6-(bromomethyl)aniline Chemical compound NC1=C(Br)C=C(Br)C=C1CBr LQJWJYOEORRDRY-UHFFFAOYSA-N 0.000 claims 1
- 125000000590 4-methylphenyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1*)C([H])([H])[H] 0.000 claims 1
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 claims 1
- 125000001309 chloro group Chemical group Cl* 0.000 claims 1
- 229910000029 sodium carbonate Inorganic materials 0.000 claims 1
- WVDDGKGOMKODPV-UHFFFAOYSA-N Benzyl alcohol Chemical compound OCC1=CC=CC=C1 WVDDGKGOMKODPV-UHFFFAOYSA-N 0.000 abstract description 4
- 230000001766 physiological effect Effects 0.000 abstract description 3
- 235000019445 benzyl alcohol Nutrition 0.000 abstract description 2
- 230000029058 respiratory gaseous exchange Effects 0.000 abstract description 2
- 230000004936 stimulating effect Effects 0.000 abstract description 2
- 230000000954 anitussive effect Effects 0.000 abstract 1
- 229940124584 antitussives Drugs 0.000 abstract 1
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 abstract 1
- PCHPORCSPXIHLZ-UHFFFAOYSA-N diphenhydramine hydrochloride Chemical compound [Cl-].C=1C=CC=CC=1C(OCC[NH+](C)C)C1=CC=CC=C1 PCHPORCSPXIHLZ-UHFFFAOYSA-N 0.000 abstract 1
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 12
- 230000000875 corresponding effect Effects 0.000 description 7
- 239000011541 reaction mixture Substances 0.000 description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 7
- FYSNRJHAOHDILO-UHFFFAOYSA-N thionyl chloride Chemical compound ClS(Cl)=O FYSNRJHAOHDILO-UHFFFAOYSA-N 0.000 description 6
- GHUMSGGCKVMYGH-UHFFFAOYSA-N (2-amino-3,5-dibromophenyl)methanol Chemical compound NC1=C(Br)C=C(Br)C=C1CO GHUMSGGCKVMYGH-UHFFFAOYSA-N 0.000 description 4
- BMYNFMYTOJXKLE-UHFFFAOYSA-N 3-azaniumyl-2-hydroxypropanoate Chemical compound NCC(O)C(O)=O BMYNFMYTOJXKLE-UHFFFAOYSA-N 0.000 description 4
- YYROPELSRYBVMQ-UHFFFAOYSA-N 4-toluenesulfonyl chloride Chemical compound CC1=CC=C(S(Cl)(=O)=O)C=C1 YYROPELSRYBVMQ-UHFFFAOYSA-N 0.000 description 4
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 description 3
- 150000001412 amines Chemical class 0.000 description 3
- OJGDCBLYJGHCIH-UHFFFAOYSA-N bromhexine Chemical compound C1CCCCC1N(C)CC1=CC(Br)=CC(Br)=C1N OJGDCBLYJGHCIH-UHFFFAOYSA-N 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- 239000012312 sodium hydride Substances 0.000 description 3
- 229910000104 sodium hydride Inorganic materials 0.000 description 3
- YKQICINWSAISBB-UHFFFAOYSA-N (2-amino-6-chlorophenyl)methanol Chemical compound NC1=CC=CC(Cl)=C1CO YKQICINWSAISBB-UHFFFAOYSA-N 0.000 description 2
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000004440 column chromatography Methods 0.000 description 2
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 description 2
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 2
- 235000019341 magnesium sulphate Nutrition 0.000 description 2
- 239000012044 organic layer Substances 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 2
- FKVSDUZSPRSCEI-UHFFFAOYSA-N (2-amino-6-chlorophenyl)methyl benzoate Chemical compound C(C1=CC=CC=C1)(=O)OCC1=C(C=CC=C1Cl)N FKVSDUZSPRSCEI-UHFFFAOYSA-N 0.000 description 1
- FEQHDKWBBRLFAI-UHFFFAOYSA-N 2-[(2-amino-6-chlorophenyl)methyl-methylamino]-1-morpholin-2-ylethanone Chemical compound NC1=C(CN(CC(=O)C2CNCCO2)C)C(=CC=C1)Cl FEQHDKWBBRLFAI-UHFFFAOYSA-N 0.000 description 1
- GOJUJUVQIVIZAV-UHFFFAOYSA-N 2-amino-4,6-dichloropyrimidine-5-carbaldehyde Chemical group NC1=NC(Cl)=C(C=O)C(Cl)=N1 GOJUJUVQIVIZAV-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- WLMVUCVOAJYFKF-UHFFFAOYSA-N N-[5-chloro-2-[[methyl-[2-oxo-2-(propan-2-ylamino)ethyl]amino]methyl]phenyl]benzamide Chemical compound C(C)(C)NC(CN(C)CC1=C(C=C(C=C1)Cl)NC(C1=CC=CC=C1)=O)=O WLMVUCVOAJYFKF-UHFFFAOYSA-N 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 150000007513 acids Chemical class 0.000 description 1
- 150000001266 acyl halides Chemical class 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 229910021529 ammonia Inorganic materials 0.000 description 1
- 150000003938 benzyl alcohols Chemical class 0.000 description 1
- 229960002903 benzyl benzoate Drugs 0.000 description 1
- 150000001733 carboxylic acid esters Chemical class 0.000 description 1
- 239000012043 crude product Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000003480 eluent Substances 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- 239000002024 ethyl acetate extract Substances 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- 239000004310 lactic acid Substances 0.000 description 1
- 235000014655 lactic acid Nutrition 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000012074 organic phase Substances 0.000 description 1
- TYJJADVDDVDEDZ-UHFFFAOYSA-M potassium hydrogencarbonate Chemical class [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- IOVGROKTTNBUGK-SJCJKPOMSA-N ritodrine Chemical compound N([C@@H](C)[C@H](O)C=1C=CC(O)=CC=1)CCC1=CC=C(O)C=C1 IOVGROKTTNBUGK-SJCJKPOMSA-N 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 229910000033 sodium borohydride Inorganic materials 0.000 description 1
- 239000012279 sodium borohydride Substances 0.000 description 1
- 159000000000 sodium salts Chemical class 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 150000003461 sulfonyl halides Chemical class 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D295/00—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms
- C07D295/16—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms acylated on ring nitrogen atoms
- C07D295/18—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms acylated on ring nitrogen atoms by radicals derived from carboxylic acids, or sulfur or nitrogen analogues thereof
- C07D295/182—Radicals derived from carboxylic acids
- C07D295/185—Radicals derived from carboxylic acids from aliphatic carboxylic acids
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Pyridine Compounds (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2311637A DE2311637C3 (de) | 1973-03-09 | 1973-03-09 | Verfahren zur Herstellung von 2-Aminobenzylaminen |
| DE19732338408 DE2338408C3 (de) | 1973-07-28 | Verfahren zur Herstellung von 2-Amino-benzylaminen | |
| DE19732338409 DE2338409A1 (de) | 1973-03-09 | 1973-07-28 | Neues verfahren zur herstellung von 2-acylamino-benzylaminen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1050023A true CA1050023A (en) | 1979-03-06 |
Family
ID=27185122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA194,467A Expired CA1050023A (en) | 1973-03-09 | 1974-03-08 | Process for the preparation of benzylamines |
Country Status (14)
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102924295A (zh) * | 2012-10-09 | 2013-02-13 | 石家庄东方药业有限公司 | 一种盐酸溴己新晶体及其制备方法和用途 |
| CN103145564A (zh) * | 2013-03-15 | 2013-06-12 | 湖北美林药业有限公司 | 盐酸溴己新化合物及其药物组合物 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53114748U (enrdf_load_stackoverflow) * | 1977-02-21 | 1978-09-12 |
-
1973
- 1973-07-28 DE DE19732338409 patent/DE2338409A1/de active Pending
-
1974
- 1974-01-29 AT AT68274*#A patent/AT329020B/de not_active IP Right Cessation
- 1974-02-05 FI FI316/74A patent/FI60550C/fi active
- 1974-02-12 NL NL7401880A patent/NL7401880A/xx unknown
- 1974-02-19 BG BG025828A patent/BG21852A3/xx unknown
- 1974-02-19 ES ES423393A patent/ES423393A1/es not_active Expired
- 1974-03-06 CH CH317874A patent/CH605617A5/de not_active IP Right Cessation
- 1974-03-06 SU SU2003605A patent/SU512697A3/ru active
- 1974-03-06 CS CS7400001636A patent/CS180004B2/cs unknown
- 1974-03-07 HU HUTO956A patent/HU167188B/hu unknown
- 1974-03-08 JP JP2703474A patent/JPS5523820B2/ja not_active Expired
- 1974-03-08 SE SE7403159A patent/SE434942B/xx not_active IP Right Cessation
- 1974-03-08 CA CA194,467A patent/CA1050023A/en not_active Expired
- 1974-03-08 NO NO740820A patent/NO138406C/no unknown
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102924295A (zh) * | 2012-10-09 | 2013-02-13 | 石家庄东方药业有限公司 | 一种盐酸溴己新晶体及其制备方法和用途 |
| CN103145564A (zh) * | 2013-03-15 | 2013-06-12 | 湖北美林药业有限公司 | 盐酸溴己新化合物及其药物组合物 |
Also Published As
| Publication number | Publication date |
|---|---|
| FI60550B (fi) | 1981-10-30 |
| FI60550C (fi) | 1982-02-10 |
| ATA68274A (de) | 1975-07-15 |
| NO740820L (no) | 1974-09-10 |
| AT329020B (de) | 1976-04-26 |
| CS180004B2 (en) | 1977-12-30 |
| SE434942B (sv) | 1984-08-27 |
| HU167188B (enrdf_load_stackoverflow) | 1975-08-28 |
| JPS5523820B2 (enrdf_load_stackoverflow) | 1980-06-25 |
| SU512697A3 (ru) | 1976-04-30 |
| ES423393A1 (es) | 1976-05-16 |
| JPS505338A (enrdf_load_stackoverflow) | 1975-01-21 |
| NO138406C (no) | 1978-08-30 |
| DE2338408A1 (de) | 1975-03-13 |
| DE2338408B2 (de) | 1976-05-20 |
| DE2338409A1 (de) | 1975-02-13 |
| NL7401880A (enrdf_load_stackoverflow) | 1974-09-11 |
| NO138406B (no) | 1978-05-22 |
| BG21852A3 (bg) | 1976-09-20 |
| CH605617A5 (en) | 1978-09-29 |
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