SU509219A3 - Method for preparing indolecarboxylic acid or its esters - Google Patents
Method for preparing indolecarboxylic acid or its estersInfo
- Publication number
- SU509219A3 SU509219A3 SU1886348A SU1886348A SU509219A3 SU 509219 A3 SU509219 A3 SU 509219A3 SU 1886348 A SU1886348 A SU 1886348A SU 1886348 A SU1886348 A SU 1886348A SU 509219 A3 SU509219 A3 SU 509219A3
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- acid
- chloro
- carboxylic acid
- methyl
- methoxy
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D209/56—Ring systems containing three or more rings
- C07D209/58—[b]- or [c]-condensed
- C07D209/70—[b]- or [c]-condensed containing carbocyclic rings other than six-membered
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P3/00—Drugs for disorders of the metabolism
- A61P3/08—Drugs for disorders of the metabolism for glucose homeostasis
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D209/02—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom condensed with one carbocyclic ring
- C07D209/04—Indoles; Hydrogenated indoles
- C07D209/30—Indoles; Hydrogenated indoles with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to carbon atoms of the hetero ring
- C07D209/42—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D209/00—Heterocyclic compounds containing five-membered rings, condensed with other rings, with one nitrogen atom as the only ring hetero atom
- C07D209/56—Ring systems containing three or more rings
- C07D209/58—[b]- or [c]-condensed
- C07D209/60—Naphtho [b] pyrroles; Hydrogenated naphtho [b] pyrroles
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Diabetes (AREA)
- General Chemical & Material Sciences (AREA)
- Emergency Medicine (AREA)
- Hematology (AREA)
- Obesity (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Endocrinology (AREA)
- Medicinal Chemistry (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Pharmacology & Pharmacy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Indole Compounds (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Description
соответствующего зам.ещсБного о-.нитротолуола ;и диалкилового эфира щавелевой (КИСЛОТЫ, прИЧйм в качестве кокдонсационHOiro средства особенно лригоден алко;гол т кали . Путем варьировали переработки вещества фо,рмулы II могут выдел тьс в виде эфира (R - низша алкилгрулпа) .или свободной кислоты (R -водород).the corresponding deputy of the most common o-.nitrotoluene; and the dialkyl ester of oxalic acid (ACID, as a condoning agent, especially suitable for alcohol; a head of potassium. By varying the processing of the substance, the rmule II can be isolated as an ether (R is lower alkylgroup). or free acid (R-hydrogen).
Бо-оста.новлбНие .нитрогруллы со-едйке е-ш II можно осуществл ть равличными юООстглоЕлтел ми; осо бен-но п-ркгодлы.МЛ стзл ютс металлы (нал.рймер, Цшкова пыль) с (ки.слотами илл соединени металлов в Низ. ших cTj-леН х окислени , как на-пример соли железа (II), в лриоутст1зии щелочей, п-ре«му .щостве«но ipacxBopa аммиака. Кро.ме того , Используют такие Восстановители, как дитионит натр.и , а также водород, в присутствии катал:изаторо.в.The co-operation of co-head e-II can be carried out by equal means; in particular, p-pkgodly. MLA metals (cash, Tsshkova dust) with (slots or metal compounds in Low cTj oxidation, for example, iron (II) salt, alkalis, p-re "th. bleach" but ipacxBopa ammonia. Beside that, use of such reducing agents, such as dithionite, soda and hydrogen, in the presence of catalysts: isatoro.
Пример 1. 4-,5-Ди1метилИ|Ндол-2-као.бонова .кислота.Example 1. 4-, 5-Di1metiL | Ndol-2-kao.bonovy acid.
20 2 2,3,4-триметил.нитробензола в услови х эфирной конденса.ций превращаютс с 3,3 г диэтилового зфира щав-злевой кислоты и свеже,п:р:иготовлен.ным этилатом кали (из 9,5 г кали и 36 г эта-нола) в эфире. После двухд«евного сто ни о.бразовавша с кристаллическа ка:И1И:ца отсасываетс , раствор етс в ,воде, раствор освобождаетс от эфи.ра (эфир 1чапар етс ) и подкнсл €тс . Выпавша в осадок 3-(2,3-ди1меткл-6нитрофенил )-нировино,градна кислота очищаетс лутем вываривани с толуоло.м и метиленхлоридом.20 2 2,3,4-trimethyl.nitrobenzene, under ether condensation conditions, are converted from 3.3 g of diethyl ether of oxalic acid and fresh, p: p: отов отов лен лен кали кали 36 g of this-nola) on the air. After a double stage, the electrolyte formed from the crystalline: III: ca is sucked off, dissolved in water, the solution is freed from ether. (Ester 1ch), and subdivided. The precipitated 3- (2,3-di-1-methyl-6-nitrophenyl) -Nirovino, the hail acid is purified by boiling out digestion with toluene and methylene chloride.
Выход 20 г (73% от теоретического); т. лл. 144- l46°C.Yield 20 g (73% of theoretical); m. 144-146 ° C.
Эта кислота вл етс достаточно чистой дл дальиейл1ей переработки, после перекристаллизации из толуола она ллавитс при темлературе С.This acid is pure enough for further processing, after recrystallization from toluene, it is cleared at temperature C.
19,3 г 3-(,2,3-ди.метил-6-нитрофенил)-ли ,рови«0|Градной кислоты раствор ютс в 400 мл эталола и гидрируютс ла катализаторе палладий/уголь лри комнатной темпе (ратуре и нормальном давлении. По околчаНИИ поглощени водорода (6,1 л) раствор отфильтровывают от катализатора, уларивают до сухого остатка, з остатка лолучают калиевую соль лутем взаимодействи с едким калием и лерекристаллизовывают из небольшого количества воды. Затем соль раствор етс в большом количестве воды; путем подкислеии с сол ной кислотой лолучают чистую 4,5-диметилиндол-2-карбоновую кислоту. Выход 57%; т. пл. 248 С (с разложением).19.3 g of 3 - (, 2,3-dimethyl-6-nitrophenyl) -li, "0 | Grad acid" are dissolved in 400 ml of ethanol and hydrogenated with a palladium / carbon catalyst at room temperature (temperature and normal pressure). By circulating hydrogen absorption (6.1 l), the solution is filtered from the catalyst, stripped to dryness, the potassium salt is obtained from the residue by reacting with caustic potassium and lecrystallized from a small amount of water. Then the salt is dissolved in a large amount of water; hydrochloric acid obtains pure 4,5-dimethylindole-2-ka rbonic acid. Yield 57%; mp. 248 C (with decomposition).
Аналогичньгм образом лолучают следующие соединени .Similarly, the following compounds are obtained.
4-Метокси-5-метнлиндол-2 - карбоновую кислоту; т. пл. 222-224° С (с разложением из уксусного эфира). (Получение осуществл ют через 2,6-днметил-8-нитроанизол Кро,4 С и 3-(2-метокси-3-метил-6нитрофенил )-ЯИров Г1; огра.:,1ную кислоту; т. лл. 140-.142° С). 4-Methoxy-5-metnindol-2 - carboxylic acid; m.p. 222-224 ° С (with decomposition from ethyl acetate). (The preparation is carried out through 2,6-dnmethyl-8-nitroanisole Cro, 4 C, and 3- (2-methoxy-3-methyl-6 nitrophenyl) -YaIr G1; restriction: 1% acid; t. 140-. 142 ° C).
4,5-Д:и:метоксииндол-2-карбОНовую кислоту; т. лл. 245-247°С (с разложением) «з меси этанол-.вода. (Получение осущестл ют через 3-(2,3-диметокс.и-6-:нитро1фелил )-пи-оовиноградиую кислоту, т. лл. 131 - 133°С).4,5-D: and: methoxyindole-2-carboxylic acid; m. 245-247 ° С (with decomposition) "for the mixture of ethanol-water. (Preparation is carried out through 3- (2,3-dimethox. And-6-: nitro-ipheyl) -py-oovinogride acid, t. P. 131 - 133 ° C).
4-.Этил-5-.мет1ИЛИ1НДол-2-кар;боновую кислоту; т. лл. 244-245° С (с разложением) из смс.аи 5.та.нол - вода. (Г1олучение осуществл ют через 3-этил-2,4-д,имети.лиитробензол; Крп С и 3-(2-этил-3-,метил-6китрсфенил ) - иировиног.радную кислот1у; т. лл. 136° С (с разлож.оние.м).4-Ethyl 5-Methyl1N1H-2-c; boonic acid; m. 244-245 ° С (with decomposition) from sms.ai 5.ta.nol - water. (G1L study is carried out through 3-ethyl-2,4-d, imimeti.liitrobenzene; Crp C and 3- (2-ethyl-3-, methyl-6-cytrsphenyl) -irovinogradic acids; y.d. 136 ° C ( with decomposition.
4-Бутокси-5-|Метили«дол-2 - .карболовую кислоту с точкой лла1влени 149-150° С. (Получолие осуществл ют через 3-бутокси-2 ,4-1ДИметилнитроббнзол; Крэ.. 129- 131° С 1И 3 - (2 - :бутокс.и - 3 - метил-6-дитроениш ) - лир овил оградную кислоту; т. лл. 0-О Г С).4-Butoxy-5- | Methyl ' dol-2 -carbolic acid with a starting point of 149-150 ° C. (Obtained through 3-butoxy-2, 4-1-Dimethylnitrobrobnzol; Cr. 129-131 ° C. 1I 3 - (2 -: butox. And - 3 - methyl-6-ditroeniche) - lira ovil fenic acid; t. Ll. 0-O G C).
При.мер 2. 4,5-Диметилилдол-2-кар:бонова кислота и этиловый Э|фи:р 4,5-димет,К линдол-2-карбоковой кислоты.Appro. 2. 4,5-Dimethyl ildol-2-cage: boic acid and ethyl E: ph: p 4,5-dimet, K lindol-2-carboxylic acid.
20 г 2,3,4-тримет.илнитробензола лри услови х Эфирной конденсации превращают с 19,8 г Д.ИЭ1ИЛОВОГО эфира щавелевой кислоты и свеженриготовлсиным этилатом кали (из 7,4 г кали и 28 г этанола) в эфир. После двухдневного сто ни образовавша с кристаллическа кашица раствор етс в абсолютл.роваллом этатаоле. РасТ|Зо.р иейтрализуетс лед ной уксусной кислотой, затем упариваетс , остаток логлощаетс водой , избавл етс от .масл ного эфира, эфирный раствор сушитс и концентрируетс . Эфлр (18 г) без дальнейшей очистки раствор етс в 100 мл этанола и гидрируетс на катализаторе палладий/уголь пр.и ко-мнатной температуре и нор.мальном да(влении (.щение водорода 4,9 л). По .о.кончании поглощени водорода отфильтровывают от катализатора и концентрируют раствор до кристаллизации 4,5-димет.или«дол-2-карбоозой кислоты этиловый эфир илавите пр.и 143-,145° С. Выход 9,0 г (61% от теоретического ) .20 g of 2,3,4-trimethylnitrobenzene under the conditions of ester condensation are converted from 19.8 g of DIE1O1 oxalic ester and freshly prepared potassium ethylate (from 7.4 g of potassium and 28 g of ethanol) to the ether. After two days standing, the gruel formed with the crystal is dissolved in the absolute rata ethataole. The solution is neutralized with glacial acetic acid, then evaporated, the residue is taken up with water, the ether is removed, the ether solution is dried and concentrated. Eflr (18 g), without further purification, is dissolved in 100 ml of ethanol and hydrogenated on a palladium / coal catalyst at the nominal temperature and a normal temperature (a phenomenon of 4.9 liters of hydrogen). the hydrogen absorption is filtered off from the catalyst and the solution is concentrated before crystallization of the 4,5-dimethyl or dol-2-carboxylic acid ethyl ester and the yelite of 143-, 145 ° C. Yield 9.0 g (61% of the theoretical).
После о мылени 19 г этого этилового зфира с 15 г гидроокиси кали в 120 мл метанола , перекристаллизации калиевой соли из небольщого количества воды и иодкислени разбавленного водиого раствора сол ой .кислоты получают 14,0 г ( 85% от еоретического) 4,5-дйметилиидол - 2-1карбоновой кислоты, т. пл. 250° С (с разложелием ).After washing 19 g of this ethyl zirfira with 15 g of potassium hydroxide in 120 ml of methanol, recrystallization of the potassium salt from a small amount of water and acidification of a dilute aqueous solution of hydrochloric acid, 14.0 g (85% of theoretical) of 4.5-dimethylidol - 2-1carboxylic acid, so pl. 250 ° C (with decomposition).
Аналогичным образом получают следую .щие соединени :Similarly, the following compounds are prepared:
Claims (1)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19722203542 DE2203542A1 (en) | 1972-01-26 | 1972-01-26 | BLOOD SUGAR-LOWERING INDOLCARBONIC ACID DERIVATIVES AND PROCESS FOR THEIR PRODUCTION |
Publications (1)
Publication Number | Publication Date |
---|---|
SU509219A3 true SU509219A3 (en) | 1976-03-30 |
Family
ID=5834053
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU1886348A SU509219A3 (en) | 1972-01-26 | 1973-01-26 | Method for preparing indolecarboxylic acid or its esters |
SU2056253A SU530642A3 (en) | 1972-01-26 | 1974-08-30 | The method of obtaining derivatives of indole-2-carboxylic acid or their salts |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU2056253A SU530642A3 (en) | 1972-01-26 | 1974-08-30 | The method of obtaining derivatives of indole-2-carboxylic acid or their salts |
Country Status (25)
Country | Link |
---|---|
JP (1) | JPS5930703B2 (en) |
AR (2) | AR194640A1 (en) |
AT (3) | AT327885B (en) |
AU (1) | AU465326B2 (en) |
BE (1) | BE794483A (en) |
CA (1) | CA983511A (en) |
CH (2) | CH587816A5 (en) |
CS (2) | CS164222B2 (en) |
DD (1) | DD103642A5 (en) |
DE (1) | DE2203542A1 (en) |
DK (1) | DK134517C (en) |
EG (1) | EG10793A (en) |
ES (1) | ES410934A1 (en) |
FI (1) | FI55829C (en) |
FR (1) | FR2169181B1 (en) |
GB (2) | GB1369578A (en) |
HU (1) | HU164871B (en) |
IL (1) | IL41350A (en) |
NL (1) | NL154420B (en) |
NO (1) | NO140007C (en) |
PL (2) | PL89093B1 (en) |
SE (1) | SE388196B (en) |
SU (2) | SU509219A3 (en) |
YU (2) | YU17473A (en) |
ZA (1) | ZA73545B (en) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5579169A (en) * | 1978-12-12 | 1980-06-14 | Seiko Epson Corp | Ink jet type recorder |
JPS5945108U (en) * | 1982-09-20 | 1984-03-26 | トヨタ自動車株式会社 | Suspension arm of Utsusha bone type suspension |
US4510157A (en) * | 1982-12-27 | 1985-04-09 | Ayerst, Mckenna & Harrison, Inc. | 6,7,8,9-Tetrahydro-1H-benz(g)indol-8-amine derivatives |
US4470990A (en) * | 1983-03-14 | 1984-09-11 | Ayerst, Mckenna & Harrison Inc. | 6,7,8,9-Tetrahydronaphtho(1,2-B)furan-8-amine derivatives and their use as dopamine receptor stimulants |
FR2768146B1 (en) | 1997-09-05 | 2000-05-05 | Oreal | NOVEL COMPOUNDS FROM THE INDOLE-CARBOXYLIC FAMILY AND THEIR USE |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3332846A (en) * | 1965-03-02 | 1967-07-25 | American Cyanamid Co | Method of inducing hypoglycemia with a substituted indole |
-
0
- BE BE794483D patent/BE794483A/en not_active IP Right Cessation
-
1972
- 1972-01-26 DE DE19722203542 patent/DE2203542A1/en active Granted
-
1973
- 1973-01-21 IL IL41350A patent/IL41350A/en unknown
- 1973-01-22 GB GB616774A patent/GB1369578A/en not_active Expired
- 1973-01-22 AR AR246234A patent/AR194640A1/en active
- 1973-01-22 EG EG23/73A patent/EG10793A/en active
- 1973-01-22 DD DD168375A patent/DD103642A5/xx unknown
- 1973-01-22 YU YU00174/73A patent/YU17473A/en unknown
- 1973-01-22 NL NL737300871A patent/NL154420B/en not_active IP Right Cessation
- 1973-01-22 GB GB318573A patent/GB1369577A/en not_active Expired
- 1973-01-22 CH CH1530476A patent/CH587816A5/xx not_active IP Right Cessation
- 1973-01-22 CH CH85973A patent/CH586677A5/xx not_active IP Right Cessation
- 1973-01-23 FI FI177/73A patent/FI55829C/en active
- 1973-01-23 AU AU51374/73A patent/AU465326B2/en not_active Expired
- 1973-01-24 FR FR7302419A patent/FR2169181B1/fr not_active Expired
- 1973-01-24 CS CS8086*A patent/CS164222B2/cs unknown
- 1973-01-24 CA CA161,918A patent/CA983511A/en not_active Expired
- 1973-01-24 ES ES410934A patent/ES410934A1/en not_active Expired
- 1973-01-24 CS CS537A patent/CS164221B2/cs unknown
- 1973-01-25 AT AT62074*7A patent/AT327885B/en active
- 1973-01-25 HU HUBO1411A patent/HU164871B/hu unknown
- 1973-01-25 AT AT62074*A patent/ATA62074A/en unknown
- 1973-01-25 AT AT64073A patent/AT320634B/en not_active IP Right Cessation
- 1973-01-25 DK DK42173A patent/DK134517C/en active
- 1973-01-25 ZA ZA730545A patent/ZA73545B/en unknown
- 1973-01-25 PL PL1973160407A patent/PL89093B1/pl unknown
- 1973-01-25 NO NO307/73A patent/NO140007C/en unknown
- 1973-01-25 SE SE7301029A patent/SE388196B/en unknown
- 1973-01-25 PL PL1973182916A patent/PL92384B1/pl unknown
- 1973-01-26 JP JP48010925A patent/JPS5930703B2/en not_active Expired
- 1973-01-26 SU SU1886348A patent/SU509219A3/en active
- 1973-07-12 AR AR249042A patent/AR195134A1/en active
-
1974
- 1974-08-30 SU SU2056253A patent/SU530642A3/en active
-
1979
- 1979-07-23 YU YU01795/79A patent/YU179579A/en unknown
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