JPS6218540B2 - - Google Patents
Info
- Publication number
- JPS6218540B2 JPS6218540B2 JP53047950A JP4795078A JPS6218540B2 JP S6218540 B2 JPS6218540 B2 JP S6218540B2 JP 53047950 A JP53047950 A JP 53047950A JP 4795078 A JP4795078 A JP 4795078A JP S6218540 B2 JPS6218540 B2 JP S6218540B2
- Authority
- JP
- Japan
- Prior art keywords
- alkyl
- ketone
- reaction
- nitroso
- ethylpropyl
- 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
- 238000006243 chemical reaction Methods 0.000 claims description 55
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 35
- FDPIMTJIUBPUKL-UHFFFAOYSA-N pentan-3-one Chemical compound CCC(=O)CC FDPIMTJIUBPUKL-UHFFFAOYSA-N 0.000 claims description 28
- 238000000034 method Methods 0.000 claims description 26
- 239000002253 acid Substances 0.000 claims description 25
- 150000001875 compounds Chemical class 0.000 claims description 21
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical compound ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 claims description 19
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 19
- 150000002576 ketones Chemical class 0.000 claims description 16
- 125000000217 alkyl group Chemical group 0.000 claims description 15
- 150000001299 aldehydes Chemical class 0.000 claims description 13
- NBBJYMSMWIIQGU-UHFFFAOYSA-N Propionic aldehyde Chemical compound CCC=O NBBJYMSMWIIQGU-UHFFFAOYSA-N 0.000 claims description 12
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 claims description 12
- ZTQSAGDEMFDKMZ-UHFFFAOYSA-N butyric aldehyde Natural products CCCC=O ZTQSAGDEMFDKMZ-UHFFFAOYSA-N 0.000 claims description 8
- 239000001257 hydrogen Substances 0.000 claims description 7
- 229910052739 hydrogen Inorganic materials 0.000 claims description 7
- ZWEHNKRNPOVVGH-UHFFFAOYSA-N 2-Butanone Chemical compound CCC(C)=O ZWEHNKRNPOVVGH-UHFFFAOYSA-N 0.000 claims description 6
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical group ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 claims description 6
- 150000004008 N-nitroso compounds Chemical class 0.000 claims description 6
- 239000012442 inert solvent Substances 0.000 claims description 6
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 claims description 6
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 5
- 150000002431 hydrogen Chemical class 0.000 claims description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 3
- BMYNFMYTOJXKLE-UHFFFAOYSA-N 3-azaniumyl-2-hydroxypropanoate Chemical compound NCC(O)C(O)=O BMYNFMYTOJXKLE-UHFFFAOYSA-N 0.000 claims description 2
- IKHGUXGNUITLKF-XPULMUKRSA-N acetaldehyde Chemical compound [14CH]([14CH3])=O IKHGUXGNUITLKF-XPULMUKRSA-N 0.000 claims description 2
- 125000003545 alkoxy group Chemical group 0.000 claims description 2
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 2
- 230000003453 denitrosating effect Effects 0.000 claims description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 2
- 125000001424 substituent group Chemical group 0.000 claims description 2
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims 3
- HCFAJYNVAYBARA-UHFFFAOYSA-N 4-heptanone Chemical compound CCCC(=O)CCC HCFAJYNVAYBARA-UHFFFAOYSA-N 0.000 claims 2
- 150000002832 nitroso derivatives Chemical class 0.000 claims 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims 1
- 239000003205 fragrance Substances 0.000 claims 1
- 239000003960 organic solvent Substances 0.000 claims 1
- HGBOYTHUEUWSSQ-UHFFFAOYSA-N valeric aldehyde Natural products CCCCC=O HGBOYTHUEUWSSQ-UHFFFAOYSA-N 0.000 claims 1
- 239000008096 xylene Substances 0.000 claims 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 27
- 239000011541 reaction mixture Substances 0.000 description 27
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 24
- 239000000203 mixture Substances 0.000 description 18
- 239000000243 solution Substances 0.000 description 17
- GRYLNZFGIOXLOG-UHFFFAOYSA-N Nitric acid Chemical compound O[N+]([O-])=O GRYLNZFGIOXLOG-UHFFFAOYSA-N 0.000 description 16
- 229910017604 nitric acid Inorganic materials 0.000 description 16
- 239000003795 chemical substances by application Substances 0.000 description 13
- 235000011149 sulphuric acid Nutrition 0.000 description 12
- 238000006396 nitration reaction Methods 0.000 description 11
- 230000000802 nitrating effect Effects 0.000 description 10
- 239000012044 organic layer Substances 0.000 description 9
- 235000011121 sodium hydroxide Nutrition 0.000 description 9
- 239000002904 solvent Substances 0.000 description 9
- -1 aliphatic aldehydes Chemical class 0.000 description 8
- MIHBNYMMGYGFGX-UHFFFAOYSA-N n-(3,4-dimethyl-2,6-dinitrophenyl)-n-pentan-3-ylnitrous amide Chemical group CCC(CC)N(N=O)C1=C([N+]([O-])=O)C=C(C)C(C)=C1[N+]([O-])=O MIHBNYMMGYGFGX-UHFFFAOYSA-N 0.000 description 8
- CHIFOSRWCNZCFN-UHFFFAOYSA-N pendimethalin Chemical group CCC(CC)NC1=C([N+]([O-])=O)C=C(C)C(C)=C1[N+]([O-])=O CHIFOSRWCNZCFN-UHFFFAOYSA-N 0.000 description 8
- 239000000047 product Substances 0.000 description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 8
- DOLQYFPDPKPQSS-UHFFFAOYSA-N 3,4-dimethylaniline Chemical group CC1=CC=C(N)C=C1C DOLQYFPDPKPQSS-UHFFFAOYSA-N 0.000 description 6
- 150000007513 acids Chemical class 0.000 description 6
- 239000011521 glass Substances 0.000 description 6
- 239000007787 solid Substances 0.000 description 6
- 238000004809 thin layer chromatography Methods 0.000 description 6
- NATRYXRPMUWZEV-UHFFFAOYSA-N N-(3,4-dimethyl-2,6-dinitrophenyl)nitrous amide Chemical group N(=O)NC1=C(C(=C(C=C1[N+](=O)[O-])C)C)[N+](=O)[O-] NATRYXRPMUWZEV-UHFFFAOYSA-N 0.000 description 5
- 238000002156 mixing Methods 0.000 description 4
- LNOPIUAQISRISI-UHFFFAOYSA-N n'-hydroxy-2-propan-2-ylsulfonylethanimidamide Chemical compound CC(C)S(=O)(=O)CC(N)=NO LNOPIUAQISRISI-UHFFFAOYSA-N 0.000 description 4
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 3
- 238000005481 NMR spectroscopy Methods 0.000 description 3
- 239000012065 filter cake Substances 0.000 description 3
- XALJBLCXNVTGMH-UHFFFAOYSA-N n-(3,4-dimethylphenyl)-n-nitronitramide Chemical group CC1=CC=C(N([N+]([O-])=O)[N+]([O-])=O)C=C1C XALJBLCXNVTGMH-UHFFFAOYSA-N 0.000 description 3
- LZGUHMNOBNWABZ-UHFFFAOYSA-N n-nitro-n-phenylnitramide Chemical compound [O-][N+](=O)N([N+]([O-])=O)C1=CC=CC=C1 LZGUHMNOBNWABZ-UHFFFAOYSA-N 0.000 description 3
- 150000004005 nitrosamines Chemical class 0.000 description 3
- 230000035484 reaction time Effects 0.000 description 3
- 239000007858 starting material Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- IIACRCGMVDHOTQ-UHFFFAOYSA-N sulfamic acid group Chemical class S(N)(O)(=O)=O IIACRCGMVDHOTQ-UHFFFAOYSA-N 0.000 description 3
- HXVNBWAKAOHACI-UHFFFAOYSA-N 2,4-dimethyl-3-pentanone Chemical compound CC(C)C(=O)C(C)C HXVNBWAKAOHACI-UHFFFAOYSA-N 0.000 description 2
- MHTNLJYRURGLAC-UHFFFAOYSA-N 3,4-dimethyl-2,6-dinitroaniline Chemical group CC1=CC([N+]([O-])=O)=C(N)C([N+]([O-])=O)=C1C MHTNLJYRURGLAC-UHFFFAOYSA-N 0.000 description 2
- 150000001412 amines Chemical group 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- BGTOWKSIORTVQH-UHFFFAOYSA-N cyclopentanone Chemical compound O=C1CCCC1 BGTOWKSIORTVQH-UHFFFAOYSA-N 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002363 herbicidal effect Effects 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- FYDSTPONHQTZAV-UHFFFAOYSA-N n-(3,4-dimethylcyclohexyl)-n-pentan-3-ylnitrous amide Chemical compound CCC(CC)N(N=O)C1CCC(C)C(C)C1 FYDSTPONHQTZAV-UHFFFAOYSA-N 0.000 description 2
- KOOMFXGDLMRWSN-UHFFFAOYSA-N n-phenylnitrous amide Chemical compound O=NNC1=CC=CC=C1 KOOMFXGDLMRWSN-UHFFFAOYSA-N 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 150000003335 secondary amines Chemical class 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 125000004178 (C1-C4) alkyl group Chemical group 0.000 description 1
- CDULGHZNHURECF-UHFFFAOYSA-N 2,3-dimethylaniline 2,4-dimethylaniline 2,5-dimethylaniline 2,6-dimethylaniline 3,4-dimethylaniline 3,5-dimethylaniline Chemical group CC1=CC=C(N)C(C)=C1.CC1=CC=C(C)C(N)=C1.CC1=CC(C)=CC(N)=C1.CC1=CC=C(N)C=C1C.CC1=CC=CC(N)=C1C.CC1=CC=CC(C)=C1N CDULGHZNHURECF-UHFFFAOYSA-N 0.000 description 1
- ZOTRFGNOTDLOAU-UHFFFAOYSA-N 3,4-dimethyl-n-pentan-3-ylaniline Chemical group CCC(CC)NC1=CC=C(C)C(C)=C1 ZOTRFGNOTDLOAU-UHFFFAOYSA-N 0.000 description 1
- OGCDCBFCCFJKTK-UHFFFAOYSA-N 3-pentylaniline Chemical compound CCCCCC1=CC=CC(N)=C1 OGCDCBFCCFJKTK-UHFFFAOYSA-N 0.000 description 1
- XHERWHUFDAWNQV-UHFFFAOYSA-N 4-ethyl-3-(methoxymethyl)-2,6-dinitro-n-pentan-2-ylaniline Chemical compound CCCC(C)NC1=C([N+]([O-])=O)C=C(CC)C(COC)=C1[N+]([O-])=O XHERWHUFDAWNQV-UHFFFAOYSA-N 0.000 description 1
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 1
- 238000010171 animal model Methods 0.000 description 1
- 150000001450 anions Chemical class 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 150000004982 aromatic amines Chemical class 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 230000033228 biological regulation Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 230000000711 cancerogenic effect Effects 0.000 description 1
- 231100000315 carcinogenic Toxicity 0.000 description 1
- 238000001311 chemical methods and process Methods 0.000 description 1
- 150000008280 chlorinated hydrocarbons Chemical class 0.000 description 1
- 239000000039 congener Substances 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- CGZZMOTZOONQIA-UHFFFAOYSA-N cycloheptanone Chemical compound O=C1CCCCCC1 CGZZMOTZOONQIA-UHFFFAOYSA-N 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 125000002485 formyl group Chemical group [H]C(*)=O 0.000 description 1
- 239000004009 herbicide Substances 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000010534 mechanism of action Effects 0.000 description 1
- JZIYHVVZFKELIP-UHFFFAOYSA-N n-(2-nitrophenyl)-n-nitrosonitramide Chemical class [O-][N+](=O)N(N=O)C1=CC=CC=C1[N+]([O-])=O JZIYHVVZFKELIP-UHFFFAOYSA-N 0.000 description 1
- JPEZSTABLOULFK-UHFFFAOYSA-N n-butan-2-yl-n-(3,4-dimethyl-2,6-dinitrophenyl)nitrous amide Chemical group CCC(C)N(N=O)C1=C([N+]([O-])=O)C=C(C)C(C)=C1[N+]([O-])=O JPEZSTABLOULFK-UHFFFAOYSA-N 0.000 description 1
- CXYLGIIDNWQTIJ-UHFFFAOYSA-N n-pentan-3-ylcyclohexanamine Chemical compound CCC(CC)NC1CCCCC1 CXYLGIIDNWQTIJ-UHFFFAOYSA-N 0.000 description 1
- 230000007935 neutral effect Effects 0.000 description 1
- 150000002823 nitrates Chemical class 0.000 description 1
- LYGJENNIWJXYER-UHFFFAOYSA-N nitromethane Chemical compound C[N+]([O-])=O LYGJENNIWJXYER-UHFFFAOYSA-N 0.000 description 1
- 125000000018 nitroso group Chemical group N(=O)* 0.000 description 1
- WSGCRAOTEDLMFQ-UHFFFAOYSA-N nonan-5-one Chemical compound CCCCC(=O)CCCC WSGCRAOTEDLMFQ-UHFFFAOYSA-N 0.000 description 1
- 230000000269 nucleophilic effect Effects 0.000 description 1
- 125000003538 pentan-3-yl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])C([H])([H])[H] 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 231100000419 toxicity Toxicity 0.000 description 1
- 230000001988 toxicity Effects 0.000 description 1
- 238000013022 venting Methods 0.000 description 1
- 238000005303 weighing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C209/00—Preparation of compounds containing amino groups bound to a carbon skeleton
- C07C209/62—Preparation of compounds containing amino groups bound to a carbon skeleton by cleaving carbon-to-nitrogen, sulfur-to-nitrogen, or phosphorus-to-nitrogen bonds, e.g. hydrolysis of amides, N-dealkylation of amines or quaternary ammonium compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/790,375 US4134917A (en) | 1977-04-25 | 1977-04-25 | Method for the denitrosation of organic nitrosamines |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS53132506A JPS53132506A (en) | 1978-11-18 |
| JPS6218540B2 true JPS6218540B2 (en, 2012) | 1987-04-23 |
Family
ID=25150503
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4795078A Granted JPS53132506A (en) | 1977-04-25 | 1978-04-24 | Deenitroso method of nnnitroso compound |
Country Status (16)
| Country | Link |
|---|---|
| US (1) | US4134917A (en, 2012) |
| JP (1) | JPS53132506A (en, 2012) |
| AR (1) | AR220129A1 (en, 2012) |
| BE (1) | BE866293A (en, 2012) |
| BR (1) | BR7802464A (en, 2012) |
| CA (1) | CA1090374A (en, 2012) |
| CH (1) | CH635308A5 (en, 2012) |
| DE (1) | DE2816637A1 (en, 2012) |
| DK (1) | DK158656C (en, 2012) |
| FR (1) | FR2388788A1 (en, 2012) |
| GB (1) | GB1586003A (en, 2012) |
| IE (1) | IE46944B1 (en, 2012) |
| IL (1) | IL54325A (en, 2012) |
| IN (1) | IN145378B (en, 2012) |
| IT (1) | IT1104815B (en, 2012) |
| NL (1) | NL188994C (en, 2012) |
Families Citing this family (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RO75656A (ro) * | 1977-07-18 | 1981-04-20 | Eli Lilly And Co,Us | Procedeu pentru purificarea unor dinitroaniline |
| US4391992A (en) * | 1979-08-24 | 1983-07-05 | American Cyanamid Company | N-Denitration of N,2,6-trinitroanilines with phase transfer catalysts |
| IT1131182B (it) * | 1980-05-15 | 1986-06-18 | Montedison Spa | Processo di preparazione di n-di-n-propil-2,6-dinitro-4-trifluorometilanilina a basso contenuto di nitrosammine |
| US4643755A (en) * | 1981-02-19 | 1987-02-17 | American Cyanamid Company | Method for the control of stem growth and stem stiffness of graminaceous crops |
| US4501608A (en) * | 1983-05-16 | 1985-02-26 | Eli Lilly And Company | Nitrosamine inhibition |
| IT1190440B (it) * | 1985-12-18 | 1988-02-16 | Finchimica Spa | Procedimento migliorato per la purificazione della trifluralina |
| US4876388A (en) * | 1986-07-31 | 1989-10-24 | IΠCI. S.p.A. | Method for the purification of trifuraline |
| IL106118A (en) * | 1993-06-24 | 1997-08-14 | Agan Chemical Manufacturers | Process for preparing n-alkyl-3,4-dialkyl- 2,6-dinitro- anilines and intermediates thereof |
| US5510534A (en) * | 1995-01-04 | 1996-04-23 | Atanor S.A. | Process for reducing the nitrosamine content of herbicides |
| IT1293450B1 (it) * | 1997-07-14 | 1999-03-01 | Finchimica Srl | Procedimento per la purificazione di dinitroaniline. |
| US5922915A (en) * | 1998-05-11 | 1999-07-13 | Srm Chemical, Ltd., Co. | Process for removing N-nitroso compounds from organo-amine compositions including dinitroaniline herbicides |
| US7650891B1 (en) | 2004-09-03 | 2010-01-26 | Rosswil Llc Ltd. | Tobacco precursor product |
| CN111825554B (zh) * | 2020-08-17 | 2023-11-10 | 南京信息工程大学 | 二甲戊灵高沸点残液的资源化方法 |
| CN111909042A (zh) * | 2020-08-17 | 2020-11-10 | 南京信息工程大学 | 二甲戊灵废渣的资源化方法 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CA542408A (en) * | 1957-06-18 | A. Bashford Leslie | Process for the recovery of dimethyl nitrosamine from its aqueous solutions | |
| US2419718A (en) * | 1944-06-03 | 1947-04-29 | Goodrich Co B F | Production of diaryl nitrosamines |
| DE2211341A1 (de) * | 1972-03-09 | 1973-09-13 | Bayer Ag | Verfahren zur herstellung von 4nitroso-diphenylamin |
-
1977
- 1977-04-25 US US05/790,375 patent/US4134917A/en not_active Expired - Lifetime
- 1977-05-04 IN IN664/CAL/77A patent/IN145378B/en unknown
-
1978
- 1978-03-22 IL IL54325A patent/IL54325A/xx unknown
- 1978-03-30 GB GB12564/78A patent/GB1586003A/en not_active Expired
- 1978-03-31 AR AR271642A patent/AR220129A1/es active
- 1978-04-17 DE DE19782816637 patent/DE2816637A1/de active Granted
- 1978-04-20 BR BR787802464A patent/BR7802464A/pt unknown
- 1978-04-21 IT IT49021/78A patent/IT1104815B/it active
- 1978-04-24 CA CA301,830A patent/CA1090374A/en not_active Expired
- 1978-04-24 BE BE187042A patent/BE866293A/xx not_active IP Right Cessation
- 1978-04-24 CH CH439878A patent/CH635308A5/de not_active IP Right Cessation
- 1978-04-24 IE IE812/78A patent/IE46944B1/en not_active IP Right Cessation
- 1978-04-24 DK DK176278A patent/DK158656C/da not_active IP Right Cessation
- 1978-04-24 JP JP4795078A patent/JPS53132506A/ja active Granted
- 1978-04-25 NL NLAANVRAGE7804425,A patent/NL188994C/xx not_active IP Right Cessation
- 1978-04-25 FR FR7812214A patent/FR2388788A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| NL188994B (nl) | 1992-07-01 |
| IL54325A0 (en) | 1978-06-15 |
| BE866293A (fr) | 1978-10-24 |
| IT1104815B (it) | 1985-10-28 |
| BR7802464A (pt) | 1979-01-16 |
| GB1586003A (en) | 1981-03-11 |
| IN145378B (en, 2012) | 1978-09-30 |
| DK176278A (da) | 1978-10-26 |
| DE2816637A1 (de) | 1978-10-26 |
| CA1090374A (en) | 1980-11-25 |
| FR2388788A1 (fr) | 1978-11-24 |
| DK158656B (da) | 1990-07-02 |
| JPS53132506A (en) | 1978-11-18 |
| CH635308A5 (de) | 1983-03-31 |
| IL54325A (en) | 1981-07-31 |
| IT7849021A0 (it) | 1978-04-21 |
| IE780812L (en) | 1979-10-25 |
| NL7804425A (nl) | 1978-10-27 |
| AR220129A1 (es) | 1980-10-15 |
| NL188994C (nl) | 1992-12-01 |
| DK158656C (da) | 1990-12-03 |
| US4134917A (en) | 1979-01-16 |
| DE2816637C2 (en, 2012) | 1987-10-08 |
| FR2388788B1 (en, 2012) | 1983-09-23 |
| IE46944B1 (en) | 1983-11-16 |
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