SU657748A3 - Method of obtaining 2-/4-(thenoyl-3)-phenyl/-propionic acid - Google Patents

Method of obtaining 2-/4-(thenoyl-3)-phenyl/-propionic acid

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Publication number
SU657748A3
SU657748A3 SU772462808A SU2462808A SU657748A3 SU 657748 A3 SU657748 A3 SU 657748A3 SU 772462808 A SU772462808 A SU 772462808A SU 2462808 A SU2462808 A SU 2462808A SU 657748 A3 SU657748 A3 SU 657748A3
Authority
SU
USSR - Soviet Union
Prior art keywords
mol
phenyl
formula
tenoyl
thenoyl
Prior art date
Application number
SU772462808A
Other languages
Russian (ru)
Inventor
Брие Филипп
Бертелон Жан-Жак
Депен Жан-Клод
Бетбедер-Матибе Анни
Original Assignee
Лифа Лионнэз Эндюстриель Фармасетик, (Фирма)
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Application filed by Лифа Лионнэз Эндюстриель Фармасетик, (Фирма) filed Critical Лифа Лионнэз Эндюстриель Фармасетик, (Фирма)
Application granted granted Critical
Publication of SU657748A3 publication Critical patent/SU657748A3/en

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    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D333/00Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom
    • C07D333/02Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings
    • C07D333/04Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom
    • C07D333/06Heterocyclic compounds containing five-membered rings having one sulfur atom as the only ring hetero atom not condensed with other rings not substituted on the ring sulphur atom with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to the ring carbon atoms
    • C07D333/22Radicals substituted by doubly bound hetero atoms, or by two hetero atoms other than halogen singly bound to the same carbon atom
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61PSPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
    • A61P29/00Non-central analgesic, antipyretic or antiinflammatory agents, e.g. antirheumatic agents; Non-steroidal antiinflammatory drugs [NSAID]

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • General Chemical & Material Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
  • Rheumatology (AREA)
  • Pharmacology & Pharmacy (AREA)
  • Pain & Pain Management (AREA)
  • Animal Behavior & Ethology (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Heterocyclic Compounds Containing Sulfur Atoms (AREA)

Claims (1)

3 П р и м е р. Получение 4-фторфенил-{теноил-3 )-метанона (формула II С ГЦРОЗ, мол ,масса 206, 17. К раствору 42,5 г (0,29моль) 3-т фенкарбонилхлорида в 315 мл фторбен зола добавл ют при помешивании и пр охлаждении в лед ной ванне 57 г , {0,42 моль) безводного хлорида алюм ни  маленькими порци ми. Реакци  в некоторой степени экзометрична, и температура поднимаетс  до 10°С. Затем в течение 45 мин поддерживают температуру 60°С и потом 15 мин при рефлюксе. Охлаждают и выливают в лед ную воду. Экстрагируют хлороформом . Органическую фазу промывают 5%-ным раствором бикарбоната натри  и высушивают на .. Пойле выпаривани  растворител  и дистилл ции в вакууме получают 18,3 г (30%) продукта . Т.кип. 125-130С/0,25 мм рт . ст . Т.пл. (гексан). Получение 2-метил-2- 4-(теноил-3 -фенил -диэтилмалоната (формула ffi С. Н , мал.масса 360,35. К 4 г 50%-ной суспензии гидрида натри  (0,83 моль) в 83 мл гексаметилфосфоротриамида, свеже дис тиллированного, по капл м при комнат ной, темпеоатуре добавл ют 14,4 г (0,83 моль) 2-метилдиэтилмалоната. Реакци  несколько экзотермична. Затем небольшими порци ми добавл ют 17,1 г (0,83 моль) 4-фторфенил-(теноил-3 ) -метанона и в течение 10 ч выдерживают при .После этого р бавл ют -5UU мл бензола, промывают HgO и высушивают на NajSO. После выпаривани  растворител  и дистилл ц в вакууме получают желтое масло. Вес конечного продукта 12,1 г (40,6%), т.кип. 190-200С/0, 4 мм рт . ст . Получение (теноил-3)-фенил -пропионовой кислоты (формула I), C.Hjj0.j S, мол.масса 260,30. 12,1 г (3,310 моль) 2-метил- 4- (теноил-3)-фенил -диэтилмалонат и 80 мл водного раствора 5%-ного едкого натра выдерживают в течение 6 ч при рефлюксе. После охлаждени  и промцвани  раствора в бензоле водную фазу подкисл ют НСЕ (объемное соотношение 1:2). Образовавшеес  масло экстрагируют хлороформом. После высушивани  на NagSO и выпаривани  растворител  получают 9 г густого масла, которое повторно кристаллизуют. Получают 3,4 г твердого белого вещества , выход 39,5%, т. Ш1. 99-105°С. Формула изобретени  Способ получени  (теноил-3)-фенил -пропионовой кислоты формулы rrV Сн-соон 4S о отличающийс  тем, что хлорид теноила-3 подвергают конденсации с фторбензолом в присутствии хлорида алюми-ни  при температуре от до температуры кипени  смеси , образующийс  при этом фторфенилтенилметанон формулы II ГТ алкилируют 2-метилэтилмалонатом в апротонном пол рном растворителе, таком как гексаметилфосфортриамид, в присутствии сильного основани , такото как гидрид натри , при температуре от комнатной до и образующийс  при этом 2-метил-2- 4-(теноил-3)-фенил -диэтил мал он ат формулы Ш COOCjH, COOCjHs одвергают щелочному гидролизу и деарбоксилированию при температуре ипени  реакционной смеси. Источники информации, прин тые во нимание при экспертизе 1. Вейганд-Хильгётаг. Методы экперимента в органической химии, М, Хими , 1968, 0.844. 3 PRI me R. Preparation of 4-fluorophenyl- {tenoyl-3) -methanone (Formula II, C-TSH3, mole, weight 206, 17. To a solution of 42.5 g (0.29 mol) of 3-t phencarbonyl chloride in 315 ml of fluoroben ash is added with stirring and Cooling in an ice bath 57 g, {0.42 mol) of anhydrous chloride in aluminum in small portions. The reaction is somewhat exometric and the temperature rises to 10 ° C. Then, the temperature is maintained at 60 ° C for 45 minutes and then for 15 minutes at reflux. Cool and pour into ice water. Extracted with chloroform. The organic phase is washed with 5% sodium bicarbonate solution and dried on. Poile evaporation of the solvent and distillation in vacuo gives 18.3 g (30%) of the product. Bp 125-130С / 0.25 mm Hg Art. M.p. (hexane). Preparation of 2-methyl-2- 4- (tenoyl-3-phenyl-diethyl malonate (formula ffi C.H., weight 360.35. To 4 g of sodium hydride 50% suspension (0.83 mol) in 83 ml Hexamethylphosphorotriamide, freshly distilled, is added dropwise at room temperature, 14.4 g (0.83 mol) of 2-methyldiethyl malonate are added to the temeoatura. The reaction is somewhat exothermic. Then 17.1 g (0.83 mol) are added in small portions. The 4-fluorophenyl- (tenoyl-3) -methanone is kept under nitrogen for 10 hours. After this, -5UU ml of benzene is washed, washed with HgO and dried on NajSO4. After evaporation of the solvent and the distillate under vacuum the yellow oil is prepared.The weight of the final product is 12.1 g (40.6%), bp 190-200C / 0, 4 mmHg, Preparation of (thenoyl-3) -phenyl-propionic acid (formula I), C.Hjj0.j S, mol. Mass 260.30. 12.1 g (3.310 mol) of 2-methyl-4- (tenoyl-3) -phenyl-diethyl malonate and 80 ml of an aqueous solution of 5% caustic soda are kept in for 6 hours under reflux. After cooling and flushing the solution in benzene, the aqueous phase is acidified with HCE (1: 2 volume ratio). The resulting oil is extracted with chloroform. After drying over NagSO4 and evaporation of the solvent, 9 g of a thick oil are obtained, which is recrystallized. 3.4 g of white solid are obtained, yield 39.5%, t. Sh1. 99-105 ° C. The invention method for producing (thenoyl-3) -phenyl-propionic acid of the formula rrV СH-soon 4S о, characterized in that tenoyl-3 chloride is condensed with fluorobenzene in the presence of aluminum chloride at the temperature from to the boiling point of the mixture, Fluorophenylmethanone of formula II GT is alkylated with 2-methylethylmalonate in an aprotic polar solvent, such as hexamethylphosphoric triamide, in the presence of a strong base, such as sodium hydride, from room temperature to 2-methane. -2- 4- (3-thenoyl) -phenyl diethyl small it atom of Formula III COOCjH, COOCjHs odvergayut alkaline hydrolysis at a temperature and dearboksilirovaniyu Eapen reaction mixture. Sources of information taken into account in the examination 1. Weigand-Hilgyatag. Experimental methods in organic chemistry, M, Himi, 1968, 0.844.
SU772462808A 1976-03-24 1977-03-23 Method of obtaining 2-/4-(thenoyl-3)-phenyl/-propionic acid SU657748A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7608470A FR2345148A1 (en) 1976-03-24 1976-03-24 NEW SUBSTITUTE PROPIONIC ACID, PREPARATION AND APPLICATION

Publications (1)

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SU657748A3 true SU657748A3 (en) 1979-04-15

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Application Number Title Priority Date Filing Date
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Country Status (26)

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JP (1) JPS52139057A (en)
AR (1) AR212262A1 (en)
AT (1) AT358026B (en)
AU (1) AU2351877A (en)
BE (1) BE852463A (en)
CA (1) CA1102343A (en)
CH (1) CH597220A5 (en)
CS (1) CS199667B2 (en)
DD (1) DD128778A5 (en)
DE (1) DE2711585A1 (en)
DK (1) DK128077A (en)
ES (1) ES457112A1 (en)
FR (1) FR2345148A1 (en)
GB (1) GB1517688A (en)
HU (1) HU176990B (en)
IE (1) IE44660B1 (en)
IL (1) IL51720A0 (en)
IT (1) IT1115272B (en)
MX (1) MX4565E (en)
NL (1) NL7703215A (en)
NO (1) NO771033L (en)
OA (1) OA06109A (en)
SE (1) SE7703317L (en)
SU (1) SU657748A3 (en)
YU (1) YU65377A (en)
ZA (1) ZA771724B (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2030131B (en) * 1978-09-12 1982-12-22 Taiyo Pharma Ind Process for producing 2-(4-(2-thienyl-carbonyl) phenyl) propionic acid
EP0046337A3 (en) * 1980-08-20 1982-09-15 Imperial Chemical Industries Plc Triazole compounds, a process for preparing them, their use as plant and pharmaceutical fungicides and as plant growth regulators and compositions containing them
GB2181728B (en) * 1985-10-21 1990-01-24 Indian Drugs & Pharma 4-(3-thienyl)phenylalkanoic acids and derivatives and process for their preparation

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* 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

Also Published As

Publication number Publication date
AR212262A1 (en) 1978-06-15
JPS52139057A (en) 1977-11-19
ZA771724B (en) 1978-02-22
AT358026B (en) 1980-08-11
NL7703215A (en) 1977-09-27
IL51720A0 (en) 1977-05-31
CA1102343A (en) 1981-06-02
CH597220A5 (en) 1978-03-31
BE852463A (en) 1977-09-15
IT1115272B (en) 1986-02-03
CS199667B2 (en) 1980-07-31
ATA176577A (en) 1980-01-15
MX4565E (en) 1982-06-17
FR2345148B1 (en) 1978-10-20
OA06109A (en) 1981-06-30
SE7703317L (en) 1977-09-25
DE2711585A1 (en) 1977-09-29
DD128778A5 (en) 1977-12-07
IE44660L (en) 1977-09-24
AU2351877A (en) 1978-09-28
NO771033L (en) 1977-09-27
YU65377A (en) 1983-01-21
DK128077A (en) 1977-09-25
FR2345148A1 (en) 1977-10-21
HU176990B (en) 1981-06-28
GB1517688A (en) 1978-07-12
ES457112A1 (en) 1978-03-01
IE44660B1 (en) 1982-02-10

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