SU552021A3 - Способ получени производных бифенила или их солей - Google Patents
Способ получени производных бифенила или их солейInfo
- Publication number
- SU552021A3 SU552021A3 SU2069774A SU2069774A SU552021A3 SU 552021 A3 SU552021 A3 SU 552021A3 SU 2069774 A SU2069774 A SU 2069774A SU 2069774 A SU2069774 A SU 2069774A SU 552021 A3 SU552021 A3 SU 552021A3
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- biphenylyl
- salts
- acid
- fluoro
- biphenyl
- Prior art date
Links
- 150000003839 salts Chemical class 0.000 title description 6
- 238000000034 method Methods 0.000 title description 3
- ZUOUZKKEUPVFJK-UHFFFAOYSA-N diphenyl Chemical group C1=CC=CC=C1C1=CC=CC=C1 ZUOUZKKEUPVFJK-UHFFFAOYSA-N 0.000 title 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 17
- -1 for example Chemical class 0.000 description 11
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 9
- 239000002253 acid Substances 0.000 description 9
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 6
- 235000002639 sodium chloride Nutrition 0.000 description 6
- 239000002904 solvent Substances 0.000 description 6
- 150000007513 acids Chemical class 0.000 description 4
- 239000003054 catalyst Substances 0.000 description 4
- 150000001875 compounds Chemical class 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- 229910052739 hydrogen Inorganic materials 0.000 description 3
- 239000001257 hydrogen Substances 0.000 description 3
- 239000012442 inert solvent Substances 0.000 description 3
- 239000000203 mixture Substances 0.000 description 3
- DHKHKXVYLBGOIT-UHFFFAOYSA-N 1,1-Diethoxyethane Chemical compound CCOC(C)OCC DHKHKXVYLBGOIT-UHFFFAOYSA-N 0.000 description 2
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 2
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 2
- YNAVUWVOSKDBBP-UHFFFAOYSA-N Morpholine Chemical compound C1COCCN1 YNAVUWVOSKDBBP-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- GLUUGHFHXGJENI-UHFFFAOYSA-N Piperazine Chemical compound C1CNCCN1 GLUUGHFHXGJENI-UHFFFAOYSA-N 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical class C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- PAFZNILMFXTMIY-UHFFFAOYSA-N cyclohexylamine Chemical compound NC1CCCCC1 PAFZNILMFXTMIY-UHFFFAOYSA-N 0.000 description 2
- 125000004494 ethyl ester group Chemical group 0.000 description 2
- 239000011777 magnesium Substances 0.000 description 2
- 229910052749 magnesium Inorganic materials 0.000 description 2
- 150000007530 organic bases Chemical class 0.000 description 2
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 description 2
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 2
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- OJSDQQAMDHDTKU-UHFFFAOYSA-N 3-(1-fluoro-4-phenylcyclohexa-2,4-dien-1-yl)butanoic acid Chemical compound FC1(CC=C(C=C1)C1=CC=CC=C1)C(CC(=O)O)C OJSDQQAMDHDTKU-UHFFFAOYSA-N 0.000 description 1
- ALIQGQKAABNEKG-UHFFFAOYSA-N 3-(3-fluoro-4-phenylphenyl)but-2-enoic acid Chemical compound FC1=CC(C(=CC(O)=O)C)=CC=C1C1=CC=CC=C1 ALIQGQKAABNEKG-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-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
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 1
- 125000003545 alkoxy group Chemical group 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical group OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000003776 cleavage reaction Methods 0.000 description 1
- 229940125904 compound 1 Drugs 0.000 description 1
- ZBCBWPMODOFKDW-UHFFFAOYSA-N diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- FGIJCCMTPRPJLS-UHFFFAOYSA-N ethyl 3-(3-fluoro-4-phenylphenyl)but-2-enoate Chemical compound FC1=CC(C(C)=CC(=O)OCC)=CC=C1C1=CC=CC=C1 FGIJCCMTPRPJLS-UHFFFAOYSA-N 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 239000005457 ice water Substances 0.000 description 1
- 150000007529 inorganic bases Chemical class 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 229910052751 metal Chemical class 0.000 description 1
- 239000002184 metal Chemical class 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 229910052697 platinum Inorganic materials 0.000 description 1
- CHKVPAROMQMJNQ-UHFFFAOYSA-M potassium bisulfate Chemical class [K+].OS([O-])(=O)=O CHKVPAROMQMJNQ-UHFFFAOYSA-M 0.000 description 1
- 229910000343 potassium bisulfate Chemical class 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 230000007017 scission Effects 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 239000008096 xylene Substances 0.000 description 1
- 239000011592 zinc chloride Substances 0.000 description 1
- 235000005074 zinc chloride Nutrition 0.000 description 1
- 150000003752 zinc compounds Chemical class 0.000 description 1
Classifications
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- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C245/00—Compounds containing chains of at least two nitrogen atoms with at least one nitrogen-to-nitrogen multiple bond
- C07C245/12—Diazo compounds, i.e. compounds having the free valencies of >N2 groups attached to the same carbon atom
- C07C245/14—Diazo compounds, i.e. compounds having the free valencies of >N2 groups attached to the same carbon atom having diazo groups bound to acyclic carbon atoms of a carbon skeleton
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P29/00—Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agents; Non-steroidal antiinflammatory drugs [NSAID]
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- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
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- A61P3/00—Drugs for disorders of the metabolism
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- C07C17/00—Preparation of halogenated hydrocarbons
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- C07C17/16—Preparation of halogenated hydrocarbons by replacement by halogens of hydroxyl groups
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- C07C17/20—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms
- C07C17/202—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms two or more compounds being involved in the reaction
- C07C17/208—Preparation of halogenated hydrocarbons by replacement by halogens of halogen atoms by other halogen atoms two or more compounds being involved in the reaction the other compound being MX
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- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/45—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by condensation
- C07C45/46—Friedel-Crafts reactions
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- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/56—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds from heterocyclic compounds
- C07C45/57—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds from heterocyclic compounds with oxygen as the only heteroatom
- C07C45/58—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds from heterocyclic compounds with oxygen as the only heteroatom in three-membered rings
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- C07C49/00—Ketones; Ketenes; Dimeric ketenes; Ketonic chelates
- C07C49/76—Ketones containing a keto group bound to a six-membered aromatic ring
- C07C49/80—Ketones containing a keto group bound to a six-membered aromatic ring containing halogen
- C07C49/813—Ketones containing a keto group bound to a six-membered aromatic ring containing halogen polycyclic
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Description
Если указанным способом получают еюедине1ше 1)бшей формулы 1, где В означает алкоксигруппу, то они при необходимости могут быть переведены в кислоты (В-оксирадккал) или их соли обшей формулы I.
Если по указанному способу получают кислоту общей формулы 1,то ее затем можно перевести в ее эфиры.
Кислоты обикй формулы 1 могут быть переведены в соли, например в соли с неорганическими или органическими основани ми. В качестве органических оснований особенно пригодными оказа;шсь диэтаноламин, морфолин, циклогексиламин и пиперазин.
Исходные соединени общей формулы II, где А означает группу
сн,
tlH,
i
-(1 СН- vnu -C-CHjполучают , например, путем разложени кетона о(ицей формулы
цинковым соединением соответствующего эфира галоген-уксусной кислоты с получе1шем соеданени общей формулы II, где А означает группу
СНз
- С-СНг ОН
с последующим отщеплением воды от полученного соединени . Получение соединени общей формулы II,где А означает указанную группу, проводит в органическом растворителе, например в простом эфире, таком как диэтиловый эфир, ди меток си эта и, диэтоксиэтан, диоксан, тетрагидрофуран или в смес х этих растворителей, а также в инертном растворителе, таком как бензол или толуол, П 15-120° С, предпочтительно 20-60° С.
Отщепление воды провод т в присутствии водротщепл ющего средства, предпочтительно в присутствии инертного, не смешивающего с водой растворител , примен - водоотщепл юшее средство при нагревании до точки кипени примен емого растворител . В качестве водоотщепл ющего федства могут быть применены кислореагирующие ооли, такие как соли пиридина или алкнлткиридины с галогенводородными кислотами или гидросульфат кали , а также металлические соли, такие как хлорид цинка, далее кислоты, такие как паратолуолсульфонова , фосфорна , серна или, если В означает алкоксигруппу, предпочтительно неорганические галогениды кислоты, как оксигалоге1шды
фосфора. В качестве инертных растворителей примен ют, например, бензол, толуол или ксилол; реакцию можно проводить без растворител .
П р и м е р 1. 3- (2-Ф.тор-4-бифенилил) -масл на кислота.
28,4 г (0,1 мол ) этилового эфира 3- (2 -фто1 4- бифенилил)-2- бутеновой кислоты (т.пл. 52-53°С) раствор ют в 220 мл этанола и, добавл 1 г окиси платины в качестве катализатора,
гидрируют при комнатной температуре и под давлением 5 ата до поглощени рассчитанного количества водорода. Затем отсасьшают катализатор и отгон ют растворитель. Получают 22 г (77% от теоретического этилового эфира 3-(2-фтор-4- бифенллил -масл ной кислотой с т. кип. 154°С/0,1 мм рт. ст.; т.пл. 32-34° С. .
При омылении эфира раствором едкого кали в спирте получают 3- (2 - фтор 4 - бифенилил) масл ную кислоту с т.пл, 98-99° С, Соль мсчэфоли 1а
т.пл. 119- 121°С.
Таким же образом получают следующие соединени : ,
3-(4-фтор-4- бифенилил)-масл ную кислоту с т. гш. 14Ы43°С (этанол);
3-(2-хлор-4-бифенилил) -масл ную кислоту с
т.пл. 128-129° С.
П р и м е р 2. Этиловый эфир 3-(2-фтор-4-бифенилил ) - масл ной кислоты.
65 г (0,299 мол ) этилового эфира 3-(2-фтор
-4-бифенилил)- 2-бутеновой кислоты (т. пл. 52-53°С) раствор ют в 700 мл этанола и, добавл 10 г никел Рене в качестве катализатора, гидрируют при комнатной температуре и под давлением 5 ата до поглощени рассчитанного количества
водорода. Затем отсасывают катализатор и отгон ют растворитель. Получают 52,5 г (79% от теоретического этилового эфира 3- (2фтор-4-бифенилил )-масл ной кислоты с т. кип. 154° С/0,1 мм рт. ст.; т.пл. 32-34°С.
Таким же образом получают из этилового эфира
3-(4 -фтор-4- бифенилил)-2- бутеновой кислоты (т. пл. 60-62° С) с выходом 86% этиловый эфир 3- (4-фтор-4- бифенилил) масл ной кислоты с т. пл. 42-43°С (из петролейного эфира). Свободна
кислота плавитс при 141-143°СГ(из этанола).
П р и м е р 3. 3-(2-Фтор-4- бифенилил)-масл на кислота.
Смесь из 2,56 г (0,01 мол ) 3- (2-фтор-4-бифенилил )- 2-бутеновой кислоты (т. пл. 177-178°С),
2,9 г (0,12 вес.ч.) магниевых стружек и 100мл метанола, перемешива , нагревают приблизительно до 30° С, причем при интенсивном образовании водорода температура повышаетс до 40° С. При этой температуре смесь перемешивают до полного
растворени магни , затем подают в 400 мл лед ной воды и подкисл ют разбавленной сол ной кислотой , экстрагируют с 200 мл эфира, промывают эфирный раствор водой, сушат над сульфатом натри и отгон ют растворитель. Оставшийс
твердый остаток перекристаллизоиьшают из
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2240441A DE2240441A1 (de) | 1972-08-17 | 1972-08-17 | Neue biphenylderivate und verfahren zur herstellung |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SU552021A3 true SU552021A3 (ru) | 1977-03-25 |
Family
ID=5853790
Family Applications (11)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU1958291A SU482039A3 (ru) | 1972-08-17 | 1973-08-15 | Способ получени бифенилилбутеновых кислот или их производных |
| SU1958288A SU484679A3 (ru) | 1972-08-17 | 1973-08-15 | Способ получени производных бифенила |
| SU1958290A SU511846A3 (ru) | 1972-08-17 | 1973-08-15 | Способ получени -бифенилмасл ных кислот или их солей |
| SU2069110A SU554810A3 (ru) | 1972-08-17 | 1974-10-21 | Способ получени производных бифенила или их солей, или рацематов, или оптически активных антиподов |
| SU2069577A SU520907A3 (ru) | 1972-08-17 | 1974-10-21 | Способ получени замещенной бифенилилмасл ной кислоты или ее соли |
| SU2069576A SU561505A3 (ru) | 1972-08-17 | 1974-10-21 | Способ получени 3-(4-бифенилил) -масл ной кислоты или ее солей |
| SU2069578A SU511847A3 (ru) | 1972-08-17 | 1974-10-21 | Способ получени замещенной бифенилмасл ной кислоты или ее эфиров или солей |
| SU7402069575A SU577967A3 (ru) | 1972-08-17 | 1974-10-21 | Способ получени замещенной бифенилилмасл ной кислоты или ее эфиров или ее амидов или ее солей |
| SU2069771A SU520030A3 (ru) | 1972-08-17 | 1974-10-21 | Способ получени замещенной бифенилмасл ной кислоты или ее эфира или ее соли |
| SU2069114A SU538658A3 (ru) | 1972-08-17 | 1974-10-21 | Способ получени бифенилмасл ных кислот или их солей, или рацематов, или оптически активных антиподов |
| SU2069774A SU552021A3 (ru) | 1972-08-17 | 1974-10-21 | Способ получени производных бифенила или их солей |
Family Applications Before (10)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SU1958291A SU482039A3 (ru) | 1972-08-17 | 1973-08-15 | Способ получени бифенилилбутеновых кислот или их производных |
| SU1958288A SU484679A3 (ru) | 1972-08-17 | 1973-08-15 | Способ получени производных бифенила |
| SU1958290A SU511846A3 (ru) | 1972-08-17 | 1973-08-15 | Способ получени -бифенилмасл ных кислот или их солей |
| SU2069110A SU554810A3 (ru) | 1972-08-17 | 1974-10-21 | Способ получени производных бифенила или их солей, или рацематов, или оптически активных антиподов |
| SU2069577A SU520907A3 (ru) | 1972-08-17 | 1974-10-21 | Способ получени замещенной бифенилилмасл ной кислоты или ее соли |
| SU2069576A SU561505A3 (ru) | 1972-08-17 | 1974-10-21 | Способ получени 3-(4-бифенилил) -масл ной кислоты или ее солей |
| SU2069578A SU511847A3 (ru) | 1972-08-17 | 1974-10-21 | Способ получени замещенной бифенилмасл ной кислоты или ее эфиров или солей |
| SU7402069575A SU577967A3 (ru) | 1972-08-17 | 1974-10-21 | Способ получени замещенной бифенилилмасл ной кислоты или ее эфиров или ее амидов или ее солей |
| SU2069771A SU520030A3 (ru) | 1972-08-17 | 1974-10-21 | Способ получени замещенной бифенилмасл ной кислоты или ее эфира или ее соли |
| SU2069114A SU538658A3 (ru) | 1972-08-17 | 1974-10-21 | Способ получени бифенилмасл ных кислот или их солей, или рацематов, или оптически активных антиподов |
Country Status (19)
| Country | Link |
|---|---|
| JP (2) | JPS49124051A (ru) |
| AT (3) | AT323144B (ru) |
| AU (2) | AU5930873A (ru) |
| BE (3) | BE803734A (ru) |
| BG (3) | BG22069A3 (ru) |
| CH (1) | CH588435A5 (ru) |
| CS (3) | CS165386B2 (ru) |
| DD (2) | DD108071A5 (ru) |
| DE (1) | DE2240441A1 (ru) |
| ES (4) | ES417884A1 (ru) |
| FR (2) | FR2196168B1 (ru) |
| GB (2) | GB1410852A (ru) |
| HU (2) | HU166517B (ru) |
| IL (2) | IL43004A0 (ru) |
| NL (2) | NL7311300A (ru) |
| PL (2) | PL90397B1 (ru) |
| RO (2) | RO62917A (ru) |
| SU (11) | SU482039A3 (ru) |
| ZA (3) | ZA735616B (ru) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2457275A1 (fr) * | 1979-05-21 | 1980-12-19 | Fabre Sa Pierre | Acides p-biphenyl-4 methyl-2 buten-3 oiques utiles dans le traitement des rhumatismes |
| RU2686489C1 (ru) * | 2018-12-27 | 2019-04-29 | Федеральное государственное бюджетное образовательное учреждение высшего образования "Санкт-Петербургский государственный университет (СПбГУ)" | Способ получения α-диазокарбонильных соединений в водной среде |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1382267A (en) * | 1970-05-05 | 1975-01-29 | Rorer Inc William H | Phenylalkanoic acid derivatives |
| BE776316R (fr) * | 1971-03-10 | 1972-06-06 | Rorer Inc William H | Nouveaux derives d'acides phenyl-acetiques substitues et procede pour leur |
-
1972
- 1972-08-17 DE DE2240441A patent/DE2240441A1/de active Pending
-
1973
- 1973-08-14 ES ES417884A patent/ES417884A1/es not_active Expired
- 1973-08-14 ES ES417883A patent/ES417883A1/es not_active Expired
- 1973-08-14 CH CH1170773A patent/CH588435A5/xx not_active IP Right Cessation
- 1973-08-14 AT AT710873A patent/AT323144B/de not_active IP Right Cessation
- 1973-08-14 AT AT710773A patent/AT323143B/de not_active IP Right Cessation
- 1973-08-14 AT AT711273A patent/AT328427B/de not_active IP Right Cessation
- 1973-08-15 DD DD172906A patent/DD108071A5/xx unknown
- 1973-08-15 HU HUTO926A patent/HU166517B/hu unknown
- 1973-08-15 BG BG24328A patent/BG22069A3/xx unknown
- 1973-08-15 SU SU1958291A patent/SU482039A3/ru active
- 1973-08-15 SU SU1958288A patent/SU484679A3/ru active
- 1973-08-15 BG BG024327A patent/BG21197A3/xx unknown
- 1973-08-15 HU HUTO925A patent/HU166516B/hu unknown
- 1973-08-15 SU SU1958290A patent/SU511846A3/ru active
- 1973-08-15 DD DD172907A patent/DD107901A5/xx unknown
- 1973-08-15 BG BG027671A patent/BG21844A3/xx unknown
- 1973-08-16 NL NL7311300A patent/NL7311300A/xx unknown
- 1973-08-16 CS CS4903A patent/CS165386B2/cs unknown
- 1973-08-16 JP JP48092052A patent/JPS49124051A/ja active Pending
- 1973-08-16 CS CS5793A patent/CS165385B2/cs unknown
- 1973-08-16 ZA ZA00735616A patent/ZA735616B/xx unknown
- 1973-08-16 ZA ZA00735629A patent/ZA735629B/xx unknown
- 1973-08-16 ZA ZA00735628A patent/ZA735628B/xx unknown
- 1973-08-16 AU AU59308/73A patent/AU5930873A/en not_active Expired
- 1973-08-16 CS CS4904A patent/CS165387B2/cs unknown
- 1973-08-16 GB GB3884473A patent/GB1410852A/en not_active Expired
- 1973-08-16 IL IL43004A patent/IL43004A0/xx unknown
- 1973-08-16 NL NL7311301A patent/NL7311301A/xx unknown
- 1973-08-16 JP JP48092053A patent/JPS49124052A/ja active Pending
- 1973-08-16 AU AU59309/73A patent/AU476340B2/en not_active Expired
- 1973-08-16 PL PL1973164708A patent/PL90397B1/pl unknown
- 1973-08-16 IL IL43003A patent/IL43003A0/xx unknown
- 1973-08-16 GB GB3884373A patent/GB1411495A/en not_active Expired
- 1973-08-16 PL PL1973186474A patent/PL94510B1/pl unknown
- 1973-08-17 BE BE134691A patent/BE803734A/xx unknown
- 1973-08-17 RO RO7300075821A patent/RO62917A/ro unknown
- 1973-08-17 FR FR7330076A patent/FR2196168B1/fr not_active Expired
- 1973-08-17 BE BE134689A patent/BE803732A/xx unknown
- 1973-08-17 RO RO7300075822A patent/RO62918A/ro unknown
- 1973-08-17 BE BE134690A patent/BE803733A/xx unknown
- 1973-08-17 FR FR7330075A patent/FR2196167B1/fr not_active Expired
-
1974
- 1974-10-21 SU SU2069110A patent/SU554810A3/ru active
- 1974-10-21 SU SU2069577A patent/SU520907A3/ru active
- 1974-10-21 SU SU2069576A patent/SU561505A3/ru active
- 1974-10-21 SU SU2069578A patent/SU511847A3/ru active
- 1974-10-21 SU SU7402069575A patent/SU577967A3/ru active
- 1974-10-21 SU SU2069771A patent/SU520030A3/ru active
- 1974-10-21 SU SU2069114A patent/SU538658A3/ru active
- 1974-10-21 SU SU2069774A patent/SU552021A3/ru active
- 1974-11-30 ES ES432465A patent/ES432465A1/es not_active Expired
- 1974-11-30 ES ES432464A patent/ES432464A1/es not_active Expired
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