SU381218A1 - METHOD OF OBTAINING AN OPTICAL OR RACEL \ ICANIC 1- - Google Patents
METHOD OF OBTAINING AN OPTICAL OR RACEL \ ICANIC 1-Info
- Publication number
- SU381218A1 SU381218A1 SU1670582A SU1670582A SU381218A1 SU 381218 A1 SU381218 A1 SU 381218A1 SU 1670582 A SU1670582 A SU 1670582A SU 1670582 A SU1670582 A SU 1670582A SU 381218 A1 SU381218 A1 SU 381218A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- optical
- obtaining
- icanic
- racel
- formula
- Prior art date
Links
- 230000003287 optical Effects 0.000 title description 7
- RTZKZFJDLAIYFH-UHFFFAOYSA-N diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 8
- 238000006460 hydrolysis reaction Methods 0.000 description 4
- 150000003839 salts Chemical class 0.000 description 4
- 239000011780 sodium chloride Substances 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N HCl Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 3
- 239000003513 alkali Substances 0.000 description 3
- 239000002585 base Substances 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 150000002148 esters Chemical class 0.000 description 2
- -1 hydrochloric Chemical class 0.000 description 2
- AFVFQIVMOAPDHO-UHFFFAOYSA-N methanesulfonic acid Chemical compound CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- MXZROAOUCUVNHX-UHFFFAOYSA-N 1-aminopropan-1-ol Chemical compound CCC(N)O MXZROAOUCUVNHX-UHFFFAOYSA-N 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- ZBCBWPMODOFKDW-UHFFFAOYSA-N Diethanolamine Chemical compound OCCNCCO ZBCBWPMODOFKDW-UHFFFAOYSA-N 0.000 description 1
- 208000008025 Hordeolum Diseases 0.000 description 1
- 235000015450 Tilia cordata Nutrition 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 230000001476 alcoholic Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 125000004432 carbon atoms Chemical group C* 0.000 description 1
- 239000003518 caustics Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- BRLQWZUYTZBJKN-UHFFFAOYSA-N epichlorohydrin Chemical compound ClCC1CO1 BRLQWZUYTZBJKN-UHFFFAOYSA-N 0.000 description 1
- 150000003840 hydrochlorides Chemical class 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229940098779 methanesulfonic acid Drugs 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000005020 pharmaceutical industry Methods 0.000 description 1
- KWYUFKZDYYNOTN-UHFFFAOYSA-M potassium hydroxide Inorganic materials [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000002588 toxic Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
Description
Изобретение относитс к способу получени пе описанного в литературе основного эфира аминопропанола или его солей, которые могут найти применение в качестве физиологически активных веществ в фармацевтической промышленности.The invention relates to a process for the preparation of the basic ester of aminopropanol or its salts described in the literature, which can be used as physiologically active substances in the pharmaceutical industry.
Известен способ получени основных эфиров а-нафтола общей формулыA method of obtaining the basic esters of a-naphthol of the general formula
/-RI/ -Ri
OCH2-CH-CH2.-NOCH2-CH-CH2.-N
R.R.
ОНHE
где RI и R2 - водород или Ci-С4-алкил, путем обработки а-иафтола сиачала эпихлоргидрином и едкой щелочью, а затем алифатическим амином с выделением целевого иродукта в виде хлористоводородной соли.where RI and R2 are hydrogen or Ci-C4-alkyl, by treating a-iaftol sachal with epichlorohydrin and caustic alkali, and then with an aliphatic amine to isolate the desired product as the hydrochloride salt.
Предлагаетс основанный на известиой реакции способ получени оптического или рацемического 1 - (2-иитрилофенокси) -2-окси-Ззтиламинопропана формулыA lime reaction-based method is proposed for the preparation of an optical or racemic 1 - (2-itrylphenoxy) -2-hydroxy-Zztilaminopropane formula
ОСНг-СНОД-Саг-КНС HSONG-SNOD-Sag-KNS HS
нли его солей, заключающийс в том, что оптический или рацемический 3-этил-5-(2-ннтрилофеноксиметилЬоксазолидинон формулыor its salts, which means that an optical or racemic 3-ethyl-5- (2-n-trilophenoxymethyl oxoxazolidinone of the formula
СТЯSTY
rvrv
осн.-сн-сн,DOS-SN,
N-C9H5N-C9H5
оabout
с/with/
1one
оabout
подвергают гидролизу, желательно в водноспиртовой среде, в присутствии щелочи и при кннении.subjected to hydrolysis, preferably in a water-alcoholic medium, in the presence of alkali and when knnenii.
Полученное при этом основание выдел ют нлн перевод т в соль действием такн.х кислот , как сол на , серна , бромистоводородна , метансульфокислота, малеинова , молочна , винна , уксусна и щавелева .The base thus obtained is converted into salt by the action of acids such as hydrochloric, sulfuric, hydrobromic, methanesulfonic acid, maleic, lactic, tartaric, acetic, and oxalic.
1-(2 - Нитрилофенокси) - окси - 3-этиламинопропан менее токсичен и более эффективен по физиологическому действию, чем известII ый - (1-нафтокси) -2-оксн-З-алкиламинопропан .1- (2 - Nitrilophenoxy) - hydroxy - 3-ethylaminopropane is less toxic and more effective in physiological action than the known - (1-naphthoxy) -2-oxn-3-alkylaminopropane.
Синтезированное соединение содержит асимметрический атом углерода и может присутствовать как в виде рацемата, так и оптических антиподов; последние можно получить, исполъзу оптические исходные соединени мли раздел рацемат такими кислотами, как дибензои 1винна или бромкамфарна . П р и м ер. 1 -(2-Нитрилофенокси)-2-гидрокси-2-этиламннопропан-гидрохлорид . Смесь 4,92 г (0,02 моль) 3-этил-5-(2-иитрилофеноксиметил ) - оксазолидинона, 2,56 г (0,1 моль) КОН, 12 мл HsO и 30 мл CgHsOH кип т т с обратным холодильником в течение 3 час при размешивании. Затем растворитель отгон ют в вакууме, остаток раствор ют в разбавленной НС1 и промывают два раза эфиром. Далее фазу НС1 подщелачивают и выделившеес масло иоглош.ают эфиром. После промывки, сушки и вынаривани эфира оставшеес основание раствор ют в снирте, подкисл ют спиртовой НС1 и гидрохлорид подогревают при добавлении эфира. Выход 2,1 г, т. пл. 130-133° С. П р е д лМ е т изобретени 1. Способ получени оптического или рацемического 1-2-(2-нитролофенокси)-2-окси-3этила: 1инопропана формулы rt OCH2-CHOH-CH,-NHC,H; ИЛИ его солей, отличающийс тем, что оптический или рацемический 3-этил-5-(2-нитрилофеноксиметил ) -оксазолидинон формулы подвергают гидролизу с последующим выделением целевого продукта известными приемами . 2.Способ но п. I, отличающийс тем, что гидролиз ведут в присутствии щелочи. 3.Способ по пп. 1 и 2, отличающийс тем, что гидролиз ведут при кипении.The synthesized compound contains an asymmetric carbon atom and may be present either as a racemate or as an optical antipode; the latter can be obtained by using optical starting compounds in the separation of the racemate with acids such as dibenzo 1 tinnamo or bromoquambo. P r and m er. 1 - (2-Nitrilophenoxy) -2-hydroxy-2-ethylaminopropane hydrochloride. A mixture of 4.92 g (0.02 mol) of 3-ethyl-5- (2-itrylofenoxymethyl) -oxazolidinone, 2.56 g (0.1 mol) of KOH, 12 ml of HsO and 30 ml of CgHsOH is refluxed. for 3 hours while stirring. The solvent is then distilled off in vacuo, the residue is dissolved in dilute HC1 and washed twice with ether. Next, the HC1 phase is alkalinized and the oil released is dissolved with ether. After washing, drying and extracting the ether, the remaining base is dissolved in a base, acidified with alcoholic HCl and the hydrochloride is heated by the addition of ether. Output 2.1 g, so pl. 130-133 ° C. Preliminary lm of the Invention 1. Method for producing optical or racemic 1-2- (2-nitrolophenoxy) -2-hydroxy-3-ethyl: 1-inropane of the formula rt OCH2-CHOH-CH, -NHC, H ; OR its salts, characterized in that the optical or racemic 3-ethyl-5- (2-nitrilophenoxymethyl) -oxazolidinone of the formula is subjected to hydrolysis, followed by separation of the target product by known methods. 2. Method of claim I, characterized in that the hydrolysis is carried out in the presence of alkali. 3. Method according to paragraphs. 1 and 2, characterized in that the hydrolysis is carried out at boiling.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE1940566A DE1940566C3 (en) | 1969-08-08 | 1969-08-08 | 1- (2-Nitrilophenoxy) -2-hydroxy-3ethylaminopropane, process for its preparation and pharmaceuticals containing it |
SU1469623A SU347996A1 (en) | 1970-07-30 | METHOD FOR OBTAINING OPTICAL |
Publications (2)
Publication Number | Publication Date |
---|---|
SU381218A1 true SU381218A1 (en) | |
SU381218A3 SU381218A3 (en) | 1973-05-15 |
Family
ID=
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