NO762399L - - Google Patents

Info

Publication number: NO762399L
Authority: NO; Norway
Prior art keywords: acid; alkyl; arsonium; mixture; benzoyl
Prior art date: 1975-07-08

Application number

NO762399A

Other languages

English (en)

Norwegian (no)

Inventor

C Busolo

Original Assignee

Sigurta Farmaceutici Spa

Priority date (The priority date 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 date listed.)

1975-07-08

Filing date

1976-07-08

Publication date

1977-01-11

1976-07-08 Application filed by Sigurta Farmaceutici Spa filed Critical Sigurta Farmaceutici Spa

1977-01-11 Publication of NO762399L publication Critical patent/NO762399L/no

Links

HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 30
239000003054 catalyst Substances 0.000 claims description 12
230000011987 methylation Effects 0.000 claims description 12
238000007069 methylation reaction Methods 0.000 claims description 12
238000000034 method Methods 0.000 claims description 11
125000000217 alkyl group Chemical group 0.000 claims description 7
230000001035 methylating effect Effects 0.000 claims description 7
VUEDNLCYHKSELL-UHFFFAOYSA-N arsonium Chemical class [AsH4+] VUEDNLCYHKSELL-UHFFFAOYSA-N 0.000 claims description 6
125000004432 carbon atom Chemical group C* 0.000 claims description 6
239000012022 methylating agents‎ Substances 0.000 claims description 6
125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims description 2
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 2
150000003863 ammonium salts Chemical class 0.000 claims 1
125000005497 tetraalkylphosphonium group Chemical group 0.000 claims 1
UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 36
OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 27
239000000203 mixture Substances 0.000 description 18
WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 12
239000002253 acid Substances 0.000 description 12
238000006243 chemical reaction Methods 0.000 description 10
239000000243 solution Substances 0.000 description 10
RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 9
239000000047 product Substances 0.000 description 9
XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 9
239000003795 chemical substances by application Substances 0.000 description 8
150000001875 compounds Chemical class 0.000 description 8
150000002148 esters Chemical class 0.000 description 8
239000002904 solvent Substances 0.000 description 8
VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 7
QTBSBXVTEAMEQO-UHFFFAOYSA-N acetic acid Substances CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 7
150000004702 methyl esters Chemical class 0.000 description 7
238000003756 stirring Methods 0.000 description 7
HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 6
PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 6
-1 alkyl-aryl phosphonium Chemical compound 0.000 description 6
150000002825 nitriles Chemical class 0.000 description 6
YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 6
230000008018 melting Effects 0.000 description 5
238000002844 melting Methods 0.000 description 5
238000004458 analytical method Methods 0.000 description 4
125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 description 4
230000007062 hydrolysis Effects 0.000 description 4
238000006460 hydrolysis reaction Methods 0.000 description 4
239000010410 layer Substances 0.000 description 4
239000012044 organic layer Substances 0.000 description 4
239000011541 reaction mixture Substances 0.000 description 4
VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 4
ALDSXDRDRWDASQ-UHFFFAOYSA-N 2-(3-benzoylphenyl)acetic acid Chemical compound OC(=O)CC1=CC=CC(C(=O)C=2C=CC=CC=2)=C1 ALDSXDRDRWDASQ-UHFFFAOYSA-N 0.000 description 3
238000005481 NMR spectroscopy Methods 0.000 description 3
KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 3
SZJQXQICJDHRJE-UHFFFAOYSA-N [3-(bromomethyl)phenyl]-phenylmethanone Chemical compound BrCC1=CC=CC(C(=O)C=2C=CC=CC=2)=C1 SZJQXQICJDHRJE-UHFFFAOYSA-N 0.000 description 3
238000002425 crystallisation Methods 0.000 description 3
230000008025 crystallization Effects 0.000 description 3
238000000605 extraction Methods 0.000 description 3
INQOMBQAUSQDDS-UHFFFAOYSA-N iodomethane Chemical compound IC INQOMBQAUSQDDS-UHFFFAOYSA-N 0.000 description 3
238000004519 manufacturing process Methods 0.000 description 3
229910052759 nickel Inorganic materials 0.000 description 3
239000012071 phase Substances 0.000 description 3
239000007787 solid Substances 0.000 description 3
VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 description 2
LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 2
229910000914 Mn alloy Inorganic materials 0.000 description 2
LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
239000000370 acceptor Substances 0.000 description 2
239000007864 aqueous solution Substances 0.000 description 2
125000003236 benzoyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C(*)=O 0.000 description 2
238000004821 distillation Methods 0.000 description 2
LELOWRISYMNNSU-UHFFFAOYSA-N hydrogen cyanide Chemical compound N#C LELOWRISYMNNSU-UHFFFAOYSA-N 0.000 description 2
DALUDRGQOYMVLD-UHFFFAOYSA-N iron manganese Chemical compound [Mn].[Fe] DALUDRGQOYMVLD-UHFFFAOYSA-N 0.000 description 2
229910052751 metal Inorganic materials 0.000 description 2
239000002184 metal Substances 0.000 description 2
125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
XYFCBTPGUUZFHI-UHFFFAOYSA-O phosphonium Chemical group [PH4+] XYFCBTPGUUZFHI-UHFFFAOYSA-O 0.000 description 2
150000003839 salts Chemical group 0.000 description 2
DCKVNWZUADLDEH-UHFFFAOYSA-N sec-butyl acetate Chemical compound CCC(C)OC(C)=O DCKVNWZUADLDEH-UHFFFAOYSA-N 0.000 description 2
239000011734 sodium Substances 0.000 description 2
159000000000 sodium salts Chemical class 0.000 description 2
JRMUNVKIHCOMHV-UHFFFAOYSA-M tetrabutylammonium bromide Chemical compound [Br-].CCCC[N+](CCCC)(CCCC)CCCC JRMUNVKIHCOMHV-UHFFFAOYSA-M 0.000 description 2
MHKMCTCMEDUINO-UHFFFAOYSA-N 2-(3-benzoylphenyl)acetonitrile Chemical compound C=1C=CC(CC#N)=CC=1C(=O)C1=CC=CC=C1 MHKMCTCMEDUINO-UHFFFAOYSA-N 0.000 description 1
VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 description 1
YXHKONLOYHBTNS-UHFFFAOYSA-N Diazomethane Chemical compound C=[N+]=[N-] YXHKONLOYHBTNS-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
FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
AFVFQIVMOAPDHO-UHFFFAOYSA-N Methanesulfonic acid Chemical class CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 description 1
229910021586 Nickel(II) chloride Inorganic materials 0.000 description 1
KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 1
XBDQKXXYIPTUBI-UHFFFAOYSA-N Propionic acid Substances CCC(O)=O XBDQKXXYIPTUBI-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
WQDUMFSSJAZKTM-UHFFFAOYSA-N Sodium methoxide Chemical compound [Na+].[O-]C WQDUMFSSJAZKTM-UHFFFAOYSA-N 0.000 description 1
239000004133 Sodium thiosulphate Substances 0.000 description 1
HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
238000010521 absorption reaction Methods 0.000 description 1
238000005903 acid hydrolysis reaction Methods 0.000 description 1
230000002378 acidificating effect Effects 0.000 description 1
230000001476 alcoholic effect Effects 0.000 description 1
238000005904 alkaline hydrolysis reaction Methods 0.000 description 1
125000005210 alkyl ammonium group Chemical group 0.000 description 1
239000008346 aqueous phase Substances 0.000 description 1
125000003118 aryl group Chemical group 0.000 description 1
WPUJEWVVTKLMQI-UHFFFAOYSA-N benzene;ethoxyethane Chemical compound CCOCC.C1=CC=CC=C1 WPUJEWVVTKLMQI-UHFFFAOYSA-N 0.000 description 1
SLUNEGLMXGHOLY-UHFFFAOYSA-N benzene;hexane Chemical compound CCCCCC.C1=CC=CC=C1 SLUNEGLMXGHOLY-UHFFFAOYSA-N 0.000 description 1
AGEZXYOZHKGVCM-UHFFFAOYSA-N benzyl bromide Chemical compound BrCC1=CC=CC=C1 AGEZXYOZHKGVCM-UHFFFAOYSA-N 0.000 description 1
230000015572 biosynthetic process Effects 0.000 description 1
229910000019 calcium carbonate Inorganic materials 0.000 description 1
239000003153 chemical reaction reagent Substances 0.000 description 1
239000003638 chemical reducing agent Substances 0.000 description 1
229910017052 cobalt Inorganic materials 0.000 description 1
239000010941 cobalt Substances 0.000 description 1
GUTLYIVDDKVIGB-UHFFFAOYSA-N cobalt atom Chemical compound [Co] GUTLYIVDDKVIGB-UHFFFAOYSA-N 0.000 description 1
AVWLPUQJODERGA-UHFFFAOYSA-L cobalt(2+);diiodide Chemical class [Co+2].[I-].[I-] AVWLPUQJODERGA-UHFFFAOYSA-L 0.000 description 1
238000006114 decarboxylation reaction Methods 0.000 description 1
150000005690 diesters Chemical class 0.000 description 1
VAYGXNSJCAHWJZ-UHFFFAOYSA-N dimethyl sulfate Chemical compound COS(=O)(=O)OC VAYGXNSJCAHWJZ-UHFFFAOYSA-N 0.000 description 1
125000004185 ester group Chemical group 0.000 description 1
230000032050 esterification Effects 0.000 description 1
238000005886 esterification reaction Methods 0.000 description 1
235000019441 ethanol Nutrition 0.000 description 1
238000001704 evaporation Methods 0.000 description 1
230000008020 evaporation Effects 0.000 description 1
YPGCWEMNNLXISK-UHFFFAOYSA-N hydratropic acid Chemical class OC(=O)C(C)C1=CC=CC=C1 YPGCWEMNNLXISK-UHFFFAOYSA-N 0.000 description 1
150000004678 hydrides Chemical class 0.000 description 1
238000011065 in-situ storage Methods 0.000 description 1
239000012442 inert solvent Substances 0.000 description 1
229910052742 iron Inorganic materials 0.000 description 1
229940087654 iron carbonyl Drugs 0.000 description 1
239000007788 liquid Substances 0.000 description 1
229910052749 magnesium Inorganic materials 0.000 description 1
239000011777 magnesium Substances 0.000 description 1
229910052943 magnesium sulfate Inorganic materials 0.000 description 1
235000019341 magnesium sulphate Nutrition 0.000 description 1
229910052748 manganese Inorganic materials 0.000 description 1
239000011572 manganese Substances 0.000 description 1
150000002739 metals Chemical class 0.000 description 1
GBMDVOWEEQVZKZ-UHFFFAOYSA-N methanol;hydrate Chemical compound O.OC GBMDVOWEEQVZKZ-UHFFFAOYSA-N 0.000 description 1
QMMRZOWCJAIUJA-UHFFFAOYSA-L nickel dichloride Chemical compound Cl[Ni]Cl QMMRZOWCJAIUJA-UHFFFAOYSA-L 0.000 description 1
238000000655 nuclear magnetic resonance spectrum Methods 0.000 description 1
229910052763 palladium Inorganic materials 0.000 description 1
ZOUWOGOTHLRRLS-UHFFFAOYSA-N palladium;phosphane Chemical class P.[Pd] ZOUWOGOTHLRRLS-UHFFFAOYSA-N 0.000 description 1
239000003208 petroleum Substances 0.000 description 1
125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
WLJVXDMOQOGPHL-UHFFFAOYSA-N phenylacetic acid Chemical class OC(=O)CC1=CC=CC=C1 WLJVXDMOQOGPHL-UHFFFAOYSA-N 0.000 description 1
229940072033 potash Drugs 0.000 description 1
BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 1
235000015320 potassium carbonate Nutrition 0.000 description 1
239000002244 precipitate Substances 0.000 description 1
UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
230000035484 reaction time Effects 0.000 description 1
238000001953 recrystallisation Methods 0.000 description 1
WWYDYZMNFQIYPT-UHFFFAOYSA-N ru78191 Chemical class OC(=O)C(C(O)=O)C1=CC=CC=C1 WWYDYZMNFQIYPT-UHFFFAOYSA-N 0.000 description 1
229920006395 saturated elastomer Polymers 0.000 description 1
238000000926 separation method Methods 0.000 description 1
229910052708 sodium Inorganic materials 0.000 description 1
ODZPKZBBUMBTMG-UHFFFAOYSA-N sodium amide Chemical compound [NH2-].[Na+] ODZPKZBBUMBTMG-UHFFFAOYSA-N 0.000 description 1
239000012279 sodium borohydride Substances 0.000 description 1
229910000033 sodium borohydride Inorganic materials 0.000 description 1
MNWBNISUBARLIT-UHFFFAOYSA-N sodium cyanide Chemical compound [Na+].N#[C-] MNWBNISUBARLIT-UHFFFAOYSA-N 0.000 description 1
AKHNMLFCWUSKQB-UHFFFAOYSA-L sodium thiosulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=S AKHNMLFCWUSKQB-UHFFFAOYSA-L 0.000 description 1
235000019345 sodium thiosulphate Nutrition 0.000 description 1
239000007858 starting material Substances 0.000 description 1
239000000126 substance Substances 0.000 description 1
150000003512 tertiary amines Chemical class 0.000 description 1
238000005809 transesterification reaction Methods 0.000 description 1
230000007704 transition Effects 0.000 description 1
229910052723 transition metal Inorganic materials 0.000 description 1
150000003624 transition metals Chemical class 0.000 description 1
IMFACGCPASFAPR-UHFFFAOYSA-N tributylamine Chemical compound CCCCN(CCCC)CCCC IMFACGCPASFAPR-UHFFFAOYSA-N 0.000 description 1
IZYFBZDLXRHRLF-UHFFFAOYSA-N tritylphosphane;hydroiodide Chemical compound [I-].C=1C=CC=CC=1C(C=1C=CC=CC=1)([PH3+])C1=CC=CC=C1 IZYFBZDLXRHRLF-UHFFFAOYSA-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
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C255/00—Carboxylic acid nitriles
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/08—Preparation of carboxylic acids or their salts, halides or anhydrides from nitriles

Landscapes

Chemical & Material Sciences (AREA)
Organic Chemistry (AREA)
Engineering & Computer Science (AREA)
Oil, Petroleum & Natural Gas (AREA)
Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

NO762399A 1975-07-08 1976-07-08 NO762399L (fr)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
IT68770/75A IT1036466B (it)	1975-07-08	1975-07-08	Processo per la preparazione di derivati dell acido alfa fenilpropionico

Publications (1)

Publication Number	Publication Date
NO762399L true NO762399L (fr)	1977-01-11

Family

ID=11310531

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
NO762399A NO762399L (fr)	1975-07-08	1976-07-08

Country Status (12)

Country	Link
JP (1)	JPS5210245A (fr)
BE (1)	BE837624A (fr)
CA (1)	CA1072113A (fr)
DE (1)	DE2626020A1 (fr)
DK (1)	DK306676A (fr)
ES (1)	ES449613A1 (fr)
FI (1)	FI761971A7 (fr)
FR (1)	FR2317274A1 (fr)
GB (1)	GB1502089A (fr)
IT (1)	IT1036466B (fr)
NO (1)	NO762399L (fr)
SE (1)	SE7607753L (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
YU39370B (en) *	1976-10-18	1984-10-31	Lek Tovarna Farmacevtskih	Process for the preparation of 2-(3-benzoylphenyl)-propionic acid

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CA1007643A (en) *	1972-10-24	1977-03-29	Janssen Pharmaceutica Naamloze Vennootschap	Aroyl-substituted phenylacetic acid derivatives
IT1049426B (it) *	1975-05-16	1981-01-20	Italfarmaco Spa	Processo per la preparazione di acidi 2 arilpropionici

1975
- 1975-07-08 IT IT68770/75A patent/IT1036466B/it active
1976
- 1976-01-16 BE BE2054763A patent/BE837624A/fr unknown
- 1976-03-03 GB GB8433/76A patent/GB1502089A/en not_active Expired
- 1976-04-26 JP JP51046673A patent/JPS5210245A/ja active Pending
- 1976-05-03 CA CA251,644A patent/CA1072113A/fr not_active Expired
- 1976-06-10 DE DE19762626020 patent/DE2626020A1/de not_active Withdrawn
- 1976-06-24 FR FR7619840A patent/FR2317274A1/fr active Granted
- 1976-07-06 FI FI761971A patent/FI761971A7/fi not_active Application Discontinuation
- 1976-07-07 SE SE7607753A patent/SE7607753L/xx unknown
- 1976-07-07 DK DK306676A patent/DK306676A/da unknown
- 1976-07-07 ES ES449613A patent/ES449613A1/es not_active Expired
- 1976-07-08 NO NO762399A patent/NO762399L/no unknown

Also Published As

Publication number	Publication date
ES449613A1 (es)	1977-07-01
CA1072113A (fr)	1980-02-19
FI761971A7 (fr)	1977-01-09
IT1036466B (it)	1979-10-30
DK306676A (da)	1977-01-09
FR2317274B1 (fr)	1981-09-18
GB1502089A (en)	1978-02-22
BE837624A (fr)	1976-05-14
JPS5210245A (en)	1977-01-26
FR2317274A1 (fr)	1977-02-04
DE2626020A1 (de)	1977-01-27
SE7607753L (sv)	1977-01-09

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