CA1128931A - Process for the preparation of cyano acetamide derivatives - Google Patents
Process for the preparation of cyano acetamide derivativesInfo
- Publication number
- CA1128931A CA1128931A CA307,252A CA307252A CA1128931A CA 1128931 A CA1128931 A CA 1128931A CA 307252 A CA307252 A CA 307252A CA 1128931 A CA1128931 A CA 1128931A
- Authority
- CA
- Canada
- Prior art keywords
- group
- general formula
- acid
- ester
- cyano
- 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 17
- 238000002360 preparation method Methods 0.000 title claims abstract description 4
- BNZBMEIFAOYZEA-UHFFFAOYSA-N n-cyanoacetamide Chemical class CC(=O)NC#N BNZBMEIFAOYZEA-UHFFFAOYSA-N 0.000 title 1
- 150000003839 salts Chemical class 0.000 claims abstract description 19
- 239000000460 chlorine Substances 0.000 claims abstract description 14
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 12
- 150000002148 esters Chemical class 0.000 claims abstract description 10
- 239000001257 hydrogen Substances 0.000 claims abstract description 9
- 125000002541 furyl group Chemical group 0.000 claims abstract description 8
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims abstract description 8
- 150000001412 amines Chemical class 0.000 claims abstract description 7
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims abstract description 7
- 125000003118 aryl group Chemical group 0.000 claims abstract description 6
- 125000002947 alkylene group Chemical group 0.000 claims abstract description 5
- 229910052801 chlorine Inorganic materials 0.000 claims abstract description 5
- 229910052736 halogen Inorganic materials 0.000 claims abstract description 5
- 150000002367 halogens Chemical group 0.000 claims abstract description 5
- 125000001544 thienyl group Chemical group 0.000 claims abstract description 5
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims abstract description 4
- 239000011737 fluorine Substances 0.000 claims abstract description 4
- 229910052731 fluorine Inorganic materials 0.000 claims abstract description 4
- 125000004076 pyridyl group Chemical group 0.000 claims abstract description 4
- 125000006000 trichloroethyl group Chemical group 0.000 claims abstract description 4
- 230000010933 acylation Effects 0.000 claims abstract description 3
- 238000005917 acylation reaction Methods 0.000 claims abstract description 3
- 150000001408 amides Chemical class 0.000 claims abstract description 3
- 125000004185 ester group Chemical group 0.000 claims abstract description 3
- 125000001072 heteroaryl group Chemical group 0.000 claims abstract description 3
- 125000006239 protecting group Chemical group 0.000 claims abstract description 3
- 125000004665 trialkylsilyl group Chemical group 0.000 claims abstract description 3
- 125000004169 (C1-C6) alkyl group Chemical group 0.000 claims abstract 4
- 150000001875 compounds Chemical class 0.000 claims abstract 2
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims description 31
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 claims description 24
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 24
- 239000002904 solvent Substances 0.000 claims description 22
- 238000006243 chemical reaction Methods 0.000 claims description 8
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 claims description 6
- 125000000217 alkyl group Chemical group 0.000 claims description 5
- LVJLBAOLANVTDO-UHFFFAOYSA-N (2,3,4,5,6-pentachlorophenyl) 2-cyanoacetate Chemical compound ClC1=C(Cl)C(Cl)=C(OC(=O)CC#N)C(Cl)=C1Cl LVJLBAOLANVTDO-UHFFFAOYSA-N 0.000 claims description 4
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 claims description 4
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 claims description 4
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims description 3
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 3
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 claims description 3
- 125000001424 substituent group Chemical group 0.000 claims description 3
- SCYULBFZEHDVBN-UHFFFAOYSA-N 1,1-Dichloroethane Chemical compound CC(Cl)Cl SCYULBFZEHDVBN-UHFFFAOYSA-N 0.000 claims description 2
- 125000003545 alkoxy group Chemical group 0.000 claims description 2
- 125000003282 alkyl amino group Chemical group 0.000 claims description 2
- 239000000010 aprotic solvent Substances 0.000 claims description 2
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 claims description 2
- 125000000649 benzylidene group Chemical group [H]C(=[*])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 claims description 2
- 229950005499 carbon tetrachloride Drugs 0.000 claims description 2
- 125000001188 haloalkyl group Chemical group 0.000 claims description 2
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 2
- SJRJJKPEHAURKC-UHFFFAOYSA-N N-Methylmorpholine Chemical compound CN1CCOCC1 SJRJJKPEHAURKC-UHFFFAOYSA-N 0.000 claims 3
- 125000005270 trialkylamine group Chemical group 0.000 claims 2
- CDUQMGQIHYISOP-RMKNXTFCSA-N (e)-2-cyano-3-phenylprop-2-enoic acid Chemical compound OC(=O)C(\C#N)=C\C1=CC=CC=C1 CDUQMGQIHYISOP-RMKNXTFCSA-N 0.000 claims 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 claims 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims 1
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims 1
- 229960001701 chloroform Drugs 0.000 claims 1
- 229910052744 lithium Inorganic materials 0.000 claims 1
- 229910052700 potassium Inorganic materials 0.000 claims 1
- 239000011591 potassium Substances 0.000 claims 1
- 229910052708 sodium Inorganic materials 0.000 claims 1
- 239000011734 sodium Substances 0.000 claims 1
- 125000003884 phenylalkyl group Chemical group 0.000 abstract description 2
- 150000002431 hydrogen Chemical group 0.000 abstract 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 abstract 1
- 239000003242 anti bacterial agent Substances 0.000 abstract 1
- 229940088710 antibiotic agent Drugs 0.000 abstract 1
- XEKOWRVHYACXOJ-UHFFFAOYSA-N ethyl acetate Substances CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 46
- 239000000203 mixture Substances 0.000 description 21
- 239000002253 acid Substances 0.000 description 19
- 238000004458 analytical method Methods 0.000 description 16
- 239000000243 solution Substances 0.000 description 13
- 239000000047 product Substances 0.000 description 12
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 10
- 150000003951 lactams Chemical class 0.000 description 10
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 9
- 239000010410 layer Substances 0.000 description 9
- 229940086542 triethylamine Drugs 0.000 description 9
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 8
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 7
- 125000004093 cyano group Chemical group *C#N 0.000 description 7
- ZAFNJMIOTHYJRJ-UHFFFAOYSA-N Diisopropyl ether Chemical compound CC(C)OC(C)C ZAFNJMIOTHYJRJ-UHFFFAOYSA-N 0.000 description 6
- 229920006395 saturated elastomer Polymers 0.000 description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 5
- 239000012044 organic layer Substances 0.000 description 5
- NVIAYEIXYQCDAN-CLZZGJSISA-N 7beta-aminodeacetoxycephalosporanic acid Chemical compound S1CC(C)=C(C(O)=O)N2C(=O)[C@@H](N)[C@@H]12 NVIAYEIXYQCDAN-CLZZGJSISA-N 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-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
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 4
- 239000013078 crystal Substances 0.000 description 4
- MLIREBYILWEBDM-UHFFFAOYSA-N cyanoacetic acid Chemical compound OC(=O)CC#N MLIREBYILWEBDM-UHFFFAOYSA-N 0.000 description 4
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical compound OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 3
- -1 beta-phenyl-ethyl Chemical group 0.000 description 3
- 239000000872 buffer Substances 0.000 description 3
- 229910052757 nitrogen Inorganic materials 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- HSHGZXNAXBPPDL-HZGVNTEJSA-N 7beta-aminocephalosporanic acid Chemical compound S1CC(COC(=O)C)=C(C([O-])=O)N2C(=O)[C@@H]([NH3+])[C@@H]12 HSHGZXNAXBPPDL-HZGVNTEJSA-N 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- 239000006227 byproduct Substances 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000004090 dissolution Methods 0.000 description 2
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 2
- 235000019341 magnesium sulphate Nutrition 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- MXTIKFGORNNTMB-UHFFFAOYSA-N (2,3,4,5,6-pentafluorophenyl) 2-cyanoacetate Chemical compound FC1=C(F)C(F)=C(OC(=O)CC#N)C(F)=C1F MXTIKFGORNNTMB-UHFFFAOYSA-N 0.000 description 1
- ODIGIKRIUKFKHP-UHFFFAOYSA-N (n-propan-2-yloxycarbonylanilino) acetate Chemical compound CC(C)OC(=O)N(OC(C)=O)C1=CC=CC=C1 ODIGIKRIUKFKHP-UHFFFAOYSA-N 0.000 description 1
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- DKFPBXQCCCIWLC-UHFFFAOYSA-N 2-cyano-2-phenylacetic acid Chemical compound OC(=O)C(C#N)C1=CC=CC=C1 DKFPBXQCCCIWLC-UHFFFAOYSA-N 0.000 description 1
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- RZVAJINKPMORJF-UHFFFAOYSA-N Acetaminophen Chemical compound CC(=O)NC1=CC=C(O)C=C1 RZVAJINKPMORJF-UHFFFAOYSA-N 0.000 description 1
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- XUKUURHRXDUEBC-KAYWLYCHSA-N Atorvastatin Chemical compound C=1C=CC=CC=1C1=C(C=2C=CC(F)=CC=2)N(CC[C@@H](O)C[C@@H](O)CC(O)=O)C(C(C)C)=C1C(=O)NC1=CC=CC=C1 XUKUURHRXDUEBC-KAYWLYCHSA-N 0.000 description 1
- 241000238366 Cephalopoda Species 0.000 description 1
- 229930186147 Cephalosporin Natural products 0.000 description 1
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical class N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 239000005977 Ethylene Substances 0.000 description 1
- 241001024304 Mino Species 0.000 description 1
- 150000007945 N-acyl ureas Chemical class 0.000 description 1
- 229930182555 Penicillin Natural products 0.000 description 1
- JGSARLDLIJGVTE-MBNYWOFBSA-N Penicillin G Chemical compound N([C@H]1[C@H]2SC([C@@H](N2C1=O)C(O)=O)(C)C)C(=O)CC1=CC=CC=C1 JGSARLDLIJGVTE-MBNYWOFBSA-N 0.000 description 1
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical class [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 1
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical class [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- WETWJCDKMRHUPV-UHFFFAOYSA-N acetyl chloride Chemical compound CC(Cl)=O WETWJCDKMRHUPV-UHFFFAOYSA-N 0.000 description 1
- 150000007513 acids Chemical group 0.000 description 1
- 125000002252 acyl group Chemical group 0.000 description 1
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 1
- 150000008064 anhydrides Chemical class 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 125000002619 bicyclic group Chemical group 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 150000001732 carboxylic acid derivatives Chemical group 0.000 description 1
- 229940124587 cephalosporin Drugs 0.000 description 1
- 150000001780 cephalosporins Chemical class 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 150000004820 halides Chemical class 0.000 description 1
- 125000005842 heteroatom Chemical group 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 229920000126 latex Polymers 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- XONPDZSGENTBNJ-UHFFFAOYSA-N molecular hydrogen;sodium Chemical class [Na].[H][H] XONPDZSGENTBNJ-UHFFFAOYSA-N 0.000 description 1
- 125000002950 monocyclic group Chemical group 0.000 description 1
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 125000001624 naphthyl group Chemical group 0.000 description 1
- 230000000269 nucleophilic effect Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 125000000913 palmityl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 229940049954 penicillin Drugs 0.000 description 1
- 159000000001 potassium salts Chemical class 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- BLSRNVDCHVKXSO-UHFFFAOYSA-M sodium;2-ethylbutanoate Chemical compound [Na+].CCC(CC)C([O-])=O BLSRNVDCHVKXSO-UHFFFAOYSA-M 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 150000004992 toluidines Chemical class 0.000 description 1
- WBYWAXJHAXSJNI-VOTSOKGWSA-N trans-cinnamic acid Chemical compound OC(=O)\C=C\C1=CC=CC=C1 WBYWAXJHAXSJNI-VOTSOKGWSA-N 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D499/00—Heterocyclic compounds containing 4-thia-1-azabicyclo [3.2.0] heptane ring systems, i.e. compounds containing a ring system of the formula:, e.g. penicillins, penems; Such ring systems being further condensed, e.g. 2,3-condensed with an oxygen-, nitrogen- or sulfur-containing hetero ring
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/55—Design of synthesis routes, e.g. reducing the use of auxiliary or protecting groups
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Cephalosporin Compounds (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| HU77CI1756A HU177581B (en) | 1977-07-14 | 1977-07-14 | Process for producing amides of cyano-acetic acid derivatives of |
| HUCI-1756 | 1977-07-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1128931A true CA1128931A (en) | 1982-08-03 |
Family
ID=10994660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA307,252A Expired CA1128931A (en) | 1977-07-14 | 1978-07-12 | Process for the preparation of cyano acetamide derivatives |
Country Status (17)
| Country | Link |
|---|---|
| JP (1) | JPS5436289A (cs) |
| AT (1) | AT358731B (cs) |
| CA (1) | CA1128931A (cs) |
| CH (1) | CH635845A5 (cs) |
| CS (1) | CS202015B2 (cs) |
| DD (1) | DD142448A5 (cs) |
| DE (1) | DE2830525A1 (cs) |
| DK (1) | DK315278A (cs) |
| ES (1) | ES471702A1 (cs) |
| FR (1) | FR2397420A1 (cs) |
| GB (1) | GB2001068B (cs) |
| HU (1) | HU177581B (cs) |
| IT (1) | IT1112645B (cs) |
| NL (1) | NL7807540A (cs) |
| PL (1) | PL113906B1 (cs) |
| SE (1) | SE437834B (cs) |
| YU (1) | YU164178A (cs) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| HU179000B (en) * | 1977-07-13 | 1982-07-28 | Chinoin Gyogyszer Es Vegyeszet | Process for preparing new malonic acid esters |
-
1977
- 1977-07-14 HU HU77CI1756A patent/HU177581B/hu unknown
-
1978
- 1978-07-10 YU YU01641/78A patent/YU164178A/xx unknown
- 1978-07-11 SE SE7807744A patent/SE437834B/sv unknown
- 1978-07-11 GB GB7829522A patent/GB2001068B/en not_active Expired
- 1978-07-11 CS CS784649A patent/CS202015B2/cs unknown
- 1978-07-12 DE DE19782830525 patent/DE2830525A1/de not_active Withdrawn
- 1978-07-12 CA CA307,252A patent/CA1128931A/en not_active Expired
- 1978-07-12 FR FR7820836A patent/FR2397420A1/fr active Granted
- 1978-07-12 CH CH759878A patent/CH635845A5/de not_active IP Right Cessation
- 1978-07-12 PL PL1978208344A patent/PL113906B1/pl unknown
- 1978-07-13 JP JP8462178A patent/JPS5436289A/ja active Pending
- 1978-07-13 IT IT25648/78A patent/IT1112645B/it active
- 1978-07-13 DK DK783152A patent/DK315278A/da not_active Application Discontinuation
- 1978-07-13 DD DD78206707A patent/DD142448A5/de unknown
- 1978-07-13 AT AT506078A patent/AT358731B/de not_active IP Right Cessation
- 1978-07-13 ES ES471702A patent/ES471702A1/es not_active Expired
- 1978-07-13 NL NL7807540A patent/NL7807540A/xx not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| ES471702A1 (es) | 1979-10-01 |
| HU177581B (en) | 1981-11-28 |
| PL113906B1 (en) | 1981-01-31 |
| JPS5436289A (en) | 1979-03-16 |
| PL208344A1 (pl) | 1979-05-07 |
| YU164178A (en) | 1982-10-31 |
| GB2001068B (en) | 1982-03-10 |
| DE2830525A1 (de) | 1979-01-25 |
| FR2397420B1 (cs) | 1982-12-31 |
| FR2397420A1 (fr) | 1979-02-09 |
| ATA506078A (de) | 1980-02-15 |
| AT358731B (de) | 1980-09-25 |
| SE437834B (sv) | 1985-03-18 |
| GB2001068A (en) | 1979-01-24 |
| IT7825648A0 (it) | 1978-07-13 |
| SE7807744L (sv) | 1979-01-15 |
| CH635845A5 (de) | 1983-04-29 |
| CS202015B2 (en) | 1980-12-31 |
| DD142448A5 (de) | 1980-06-25 |
| NL7807540A (nl) | 1979-01-16 |
| DK315278A (da) | 1979-01-15 |
| IT1112645B (it) | 1986-01-20 |
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