FI86844B - FREQUENCY REFRIGERATION FOR HYDROCHLORIDE. - Google Patents
FREQUENCY REFRIGERATION FOR HYDROCHLORIDE. Download PDFInfo
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Abstract
Description
8684486844
MENETELMÄ HYDROKLORIDIEN VALMISTAMISEKSIMETHOD FOR THE PREPARATION OF HYDROCHLORIDES
Keksintö koskee uutta menetelmää hydrokloridien valmistamiseksi eli suolahapon kanssa muodostuneiden happoadditiosuolo-jen valmistamiseksi, erityisesti, kun kyseessä ovat protonoi-tavissa olevan typpiatomin sisältävät yhdisteet.The invention relates to a new process for the preparation of hydrochlorides, i.e. for the preparation of acid addition salts formed with hydrochloric acid, in particular in the case of compounds containing a protonatable nitrogen atom.
Protonoitavissa olevan typpiatomin sisältävien yhdisteiden hydrokloridit ovat polaarisia ja veteen hyvin liukenevia aineita, joilla on käyttöä monissa käytännön elämän tarkoituksissa, esim. lääketieteessä, muovien valmistuksessa, kas-viensuojelussa, väriaineissa, analyyttisinä reagensseina jne. Hydrokloridien käytön levinneisyydelle on luonteenomaista se, että noin 10 % kaikista Merck-Indexissä (9· painos, toim. M. Windholz, Merck, Rahway, USA 1976) luetelluista lääkeaineista, eli noin 900 yhdistettä, on lääkeainekäytössä hydrokloridimuodossa.Hydrochlorides of compounds containing a protonatable nitrogen atom are polar and highly water-soluble substances that have utility in many practical life applications, e.g., medicine, plastics, plant protection, dyes, analytical reagents, etc. The prevalence of hydrochloride use is about 10%. of all the drugs listed in the Merck-Index (9 · edition, ed. M. Windholz, Merck, Rahway, USA 1976), i.e. about 900 compounds, are in drug use in the hydrochloride form.
Hydrokloridien valmistuksen lähtöaineet ovat yleensä sellaisia aineita, joissa on protonoitavissa oleva typpiatomi, ja lisäksi ne ovat emäksisiä tai amfoteerisiä, mutta luonteeltaan happamat, typpiatomin sisältävät aineet, kuten virtsa-aine, voivat myös muodostaa hydroklorideja .The starting materials for the preparation of hydrochlorides are generally those having a protonatable nitrogen atom and, in addition, are basic or amphoteric, but substances which are acidic in nature and contain a nitrogen atom, such as urea, can also form hydrochlorides.
Näiden yhdisteiden hydrokloridit valmistetaan yleensä vedessä tai vesipitoisessa orgaanisessa liuottimessa, yleensä alkoholissa, lisäämällä suolahappoa. Tätä on selostettu brittiläisissä patenttijulkaisuissa no. 718 020 ja 718 032 oksitetrasykliinin hydrokloridin valmistamiseksi. Vielä eräs mahdollisuus hydrokloridin valmistamiseksi on se, että lähtöaine liuotetaan tai suspendoidaan orgaaniseen liuottimeen, kuten alkoholiin ja liuokseen tai suspensioon johdetaan suolahappokaasua. Edelleen on mahdollista valmistaa suola orgaanisessa liuottimessa, johon etukäteen on liuotettu kloorivetykaasua. Tällä tavalla valmistetaan esimerkiksi belgialaisen patenttijulkaisun no. 638 881 ja unkarilaisen patenttijulkaisun no 143 911 mukaisesti edellämainittu oksitetrasykliinin hydrokloridi; tällöin vaikutetaan lähtö- 2 86844 ja/tai lopputuotteen liukenemiskäyttäytymiseen kalsiumklori-din metanoliliuoksella (J.Am.Chera. Soc. 73, 4212 (1951); USA:n patenttijulkaisut no. 2 658 078 ja 2 915 555). Periaatteessa voidaan hydroklorideja valmistaa myös saattamalla lähtöaine reagoimaan jonkun muun hydrokloridin kanssa, mutta käytännössä näillä menetelmillä ei ole suurtakaan merkitystä, koska hydrokloridit ovat kaikista suoloista parhaiten liukenevia ja niiden erottaminen yksinkertaisella saostuksella tai kiteytyksellä ei näin ollen ole toteutettavissa.The hydrochlorides of these compounds are generally prepared in water or an aqueous organic solvent, usually an alcohol, by the addition of hydrochloric acid. This is described in British Patent Publication no. 718 020 and 718 032 for the preparation of oxytetracycline hydrochloride. Another possibility for the preparation of the hydrochloride is that the starting material is dissolved or suspended in an organic solvent such as alcohol and hydrochloric acid gas is introduced into the solution or suspension. It is further possible to prepare a salt in an organic solvent in which hydrogen chloride gas has been previously dissolved. In this way, for example, Belgian patent publication no. 638,881 and Hungarian Patent Publication No. 143,911, said oxytetracycline hydrochloride; in this case, the dissolution behavior of the starting material 2 86844 and / or the final product with a methanolic solution of calcium chloride is influenced (J. Am. Chera. Soc. 73, 4212 (1951); U.S. Patent Nos. 2,658,078 and 2,915,555). In principle, hydrochlorides can also be prepared by reacting the starting material with another hydrochloride, but in practice these methods are of little importance, since the hydrochlorides are the most soluble of all salts and their separation by simple precipitation or crystallization is therefore not feasible.
Hydrokloridit voidaan myös muodostaa ei-proottisessa liuotti-messa tai ilman liuotinta; tässä tapauksessa sitoo anhydro-emäksen typpiatomin yksinäinen elektronipari HCl-molekyy-listä dissosioituvan protonin (The Chemistry of the Amino Croup, toim. S. Patai, Interscience, Lontoo, 1968).The hydrochlorides may also be formed in a non-protic solvent or without a solvent; in this case, the nitrogen atom of the anhydro base is bound by a lone electron pair of a proton dissociating from the HCl molecule (The Chemistry of the Amino Croup, ed. S. Patai, Interscience, London, 1968).
Ennestään tunnetaan lukuisia hydroklorideja, jotka kiteytyvät kideveden kanssa. Esimerkiksi oksitetrasykliinin hydro-kloridi kiteytyy - kun käytettävissä on riittävästi vettä -5 kidevesimolekyylin kanssa (unkarilainen patenttijulkaisu no 143 911)· Nämä hydrokloridit liukenevat orgaanisiin liuot-timiin vedettömissä olosuhteissa huomattavasti paremmin kuin veden läsnäollessa. Tätä ominaisuutta voidaan käyttää hyväksi tuotettaessa puhtaita hydroklorideja. Belgialaisen patenttijulkaisun no 638 881 mukaisesti käsitellään oksitetrasykli inihydrokloridin lähtöaine (oksitetrasykliinikompleksi ) vedettömissä olosuhteissa suolahappopitoisella metanolilla, hydrokloridiliuoksen sisältämät kiinteät epäpuhtaudet suodatetaan pois ja sen jälkeen saostetaan puhdas oksitetrasykli inihydrokloridi lisäämällä väkevää suolahapon vesiliuosta.Numerous hydrochlorides are known which crystallize with water of crystallization. For example, oxytetracycline hydrochloride crystallizes - when sufficient water is available with -5 molecules of water of crystallization (Hungarian Patent Publication No. 143,911) · These hydrochlorides are much more soluble in organic solvents under anhydrous conditions than in the presence of water. This property can be exploited in the production of pure hydrochlorides. According to Belgian Patent No. 638,881, the oxytetracycline hydrochloride starting material (oxytetracycline complex) is treated under anhydrous conditions with hydrochloric acid methanol, the solid impurities in the hydrochloride solution are filtered off and then pure oxytetracycline hydrochloride is precipitated with aqueous hydrochloric acid.
Jos suolanmuodostus suoritetaan vesipitoisessa väliaineessa, pitää joka tapauksessa suorittaa haihdutus tai väkevöinti. Tällöin voi herkkien orgaanisten yhdisteiden ollessa kyseessä esiintyä hajoamisreaktioita, joiden tuotteet ovat epäpuh- 86844 tauksina hydrokloridin joukossa. Jos liuokset lyofilisoi-daan, tarvitaan kalliita laitteita ja energiakustannukset lisääntyvät. Jos johdetaan kuivaa kloorivetykaasua vedettömiin liuoksiin tai käytetään HGl-pitoista liuotinta (esim. etanolipitoista suolahappoa), voidaan kyllä saada aikaan hyviä saantoja, mutta kuivan kloorivetykaasun valmistusta ja käsittelyä ei pidetä teollisuudessa hyvänä ratkaisuna. Reaktio toisen hydrokloridin kanssa suoritetaan yleensä vesi-liuoksessa ja näin ollen sillä on edellämainitut haitat.If the salt formation is carried out in an aqueous medium, evaporation or concentration must in any case be carried out. In the case of sensitive organic compounds, decomposition reactions can occur in which the products are impure among the hydrochloride. If the solutions are lyophilized, expensive equipment is required and energy costs increase. If dry hydrogen chloride gas is introduced into anhydrous solutions or an HG1-containing solvent (e.g. ethanolic hydrochloric acid) is used, good yields can be obtained, but the production and treatment of dry hydrogen chloride gas is not considered a good solution in industry. The reaction with the second hydrochloride is generally carried out in aqueous solution and thus has the above-mentioned disadvantages.
Nyt käsillä olevan keksinnön tarkoituksena on tarjota uusi menetelmä hydrokloridien valmistamiseksi, jolla menetelmällä saadaan erityisesti protonoitavissa olevan typpiatomin sisältävien yhdisteiden hydroklorideja korkealla saannolla ja hyvin puhtaina ja yksinkertaisemmin ja taloudellisemmin kuin tähän mennessä tunnetuilla menetelmillä.The object of the present invention is to provide a new process for the preparation of hydrochlorides, which process yields in particular the hydrochlorides of compounds containing a protonatable nitrogen atom in high yield and in very pure and simpler and more economical than hitherto known methods.
Keksintö perustuu siihen tietoon,että lisättäessä alkoholia y1 e i s e n kaavan Q-S02-C1 mukaisiin yhdisteisiin, jossa kaavassa Q on hydroksyyliryhmä, 1-4 hiiliatomia sisältävä alkyyli-ryhmä, aryyliryhmä tai _4~alkyyliryhmällä substituoitu aryyli ryhmä, vapautuu kloorivetyä, ja tämä reaktio soveltuu hydrokloridien muodostamiseen sopivasti valitussa li uottimessa.The invention is based on the knowledge that the addition of alcohol to compounds of the formula Q-SO 2 -C 1 in which Q is a hydroxyl group, an alkyl group having 1 to 4 carbon atoms, an aryl group or an aryl group substituted by a C 1-4 alkyl group releases hydrogen chloride, and this reaction is suitable to form hydrochlorides in a suitably selected solvent.
Näin ollen tämän keksinnön kohteena on hydrokloridien valmistusmenetelmä. Keksinnönmukaiselle menetelmälle on tunnusomaista se, että hydrokloridin muodostamiseen soveltuva yhdiste, mielellään protonoitavaa typpeä sisältävän johdan- 4 86844 naisensa tai suolansa muodossa saatetaan reagoimaan liuotti-messa alkoholin läsnäollessa yleisen kaavanAccordingly, the present invention relates to a process for the preparation of hydrochlorides. The process according to the invention is characterized in that a compound suitable for the formation of the hydrochloride, preferably in the form of its protonated nitrogen-containing derivative or its salt, is reacted in a solvent in the presence of an alcohol of the general formula
Q-SO2-CIQ-SO2-Cl
mukaisen sulfonyy1iyhdisteen kanssa, jossa Q on hydroksyyli ryhmä, 1-4 hiiliatomia sisältävä alkyyli-ryhmä, aryyliryhmä tai C1_4~alkyyliryhmässä substituoitu aryyli ryhmä ja hydrokloridi erotetaan sinänsä tunnetulla tavalla.wherein Q is a hydroxyl group, an alkyl group having 1 to 4 carbon atoms, an aryl group or an aryl group substituted on a C 1-4 alkyl group, and the hydrochloride is separated in a manner known per se.
Sulfonyyliyhdiste Q-SO2-CI ja alkoholi muodostavat välituotteena kloorivetyä ja rikkimonoesterin. Ylimääränä käytetty alkoholi pitää molemmat reaktiotuotteet liuoksessa. Jos sul-fonyyliyhdisteenä käytetään kloorisulfonihappoa (Q=OH) ja alkoholina alkanolia, muodostuu rikkihapon monoalkyyliesteri. Tämä vielä happaman protonin sisältävä yhdiste on happona heikompi kuin suolahappo. Metaanisulfonyylikloridia (QsCH^) tai p-tolueenisulfonyylikloridia (Q=p-tolyyli) ja alkanolia käytettäessä muodostuneilla metaanisulfonihapon ja vastaavasti p-tolueenisulfonihapon alkyyliesterillä ei ole happoluon-netta. Kun alkoholi ja sulfonyyliyhdiste sekä liuotin valitaan sopivasti, voidaan saada aikaan se, että hydrokloridi saostuu joka kerta, kun taas monoesteri jää liuokseen.The sulfonyl compound Q-SO2-Cl and the alcohol form hydrogen chloride and sulfur monoester as intermediates. Excess alcohol used keeps both reaction products in solution. If chlorosulfonic acid (Q = OH) is used as the sulfonyl compound and an alkanol is used as the alcohol, a monoalkyl ester of sulfuric acid is formed. This compound, which still contains an acidic proton, is weaker as an acid than hydrochloric acid. The alkyl esters of methanesulfonic acid and p-toluenesulfonic acid formed using methanesulfonyl chloride (QsCH2) or p-toluenesulfonyl chloride (Q = p-tolyl) and alkanol have no acidity. When the alcohol and sulfonyl compound as well as the solvent are appropriately selected, it is possible to cause the hydrochloride to precipitate each time while the monoester remains in solution.
Etusijalle asetettavia kaavan Q-SO2-CI mukaisia yhdisteitä ovat edellämainitut.Preferred compounds of formula Q-SO2-Cl are those mentioned above.
Sopivia alkoholeja ovat esim. alifaattiset alkoholit, kuten metanoli, etanoli tai propanoli, alifaattiset diolit tai triolit, kuten etyleeniglykoli, sykloalifaattiset alkoholit, * kuten sykloheksanoli tai aromaattiset alkoholit, kuten bent- syylialkoholi tai edellämainittujen alkoholien seokset.Suitable alcohols are, for example, aliphatic alcohols, such as methanol, ethanol or propanol, aliphatic diols or triols, such as ethylene glycol, cycloaliphatic alcohols, such as cyclohexanol, or aromatic alcohols, such as benzyl alcohol, or mixtures of the abovementioned alcohols.
5 868445,86844
Hydrokloridien muodostamiseen soveltuvista yhdisteistä voidaan mainita esim. seuraavat: amiinit, kuten alifaattiset ja aromaattiset amiinit, sykloalkyyli-, aralkyyli- ja heterosyk-loalkyyliamiinit, heteroaromaattiset amiinit, diatsoamiini (triatseeni) ja sen johdannaiset; hydroksyyliamiinit ja niiden johdannaiset; hydratsiinit ja niiden johdannaiset; kar-boksyylihappojen imidaatit, karboksyylihappoamidiinit, karb-atsidit, semikarbatsidit, guanidiinit, aminohapot, aminosoke-rit ja niiden johdannaiset; yhden tai useampia heteroatomeja sisältävät, aromaattiset tai osittain tai täysin tyydyttyneet, 5-atomiset renkaat, kuten pyrroli, oksatsoli, isoksatsoli, tiatsoli, isotiatsoli, imidatsoli, pyratsoli, oksadiatsoli, tiadiatsoli, triatsoli, tetratsoli ja niiden johdannaiset; aromaattiset tai osittain tai täysin tyydyttyneet, yhden tai useampia typpiatomeja ja mahdollisesti muita heteroatomeja sisältävät, 6-atomiset renkaat, kuten pyridiini, pyridatsiini, pyrimidiini, pyratsiini, oksadiat-siini, tiadiatsiini, triatsiini, tetratsiini ja näiden johdannaiset; yhden tai useampia typpiatomeja ja mahdollisesti muita heteroatomeja sisältävät, tyydyttyneet tai tyydyttymät-tomät, 6-10 rengasatomia sisältävät sykliset yhdisteet, kuten atsepiini, oksatsepiini, tiatsepiini, diatsepiini, oksadiatsepiini, tiadiatsepiini, atsokiini, atsoniini, atsekiini, akridiini ja näiden johdannaiset; alkaloidit, steroidit, emäksiset tai amfoteeriset väriaineet ja niiden johdannaiset; emäksiset tai amfoteeriset antibiootit (esim. klindamysiini, streptomysiini, neomysiini, tobramysiini), β-laktaamirenkaan sisältävät antibiootit (pivampisilliini, kefaleksiini), tetrasykliinit (oksitetrasykliini ja sen kompleksit, klooritetrasykliini, tetrasykliini, doksisyk-liini), antramysiinit (daunomysiini, adriamysiini, aklavinoni), syklopeptidit (enduradisidiini), makrolidit (erytromysiini, nystatiini, oleandomysiini) ja niiden * johdannaiset.Suitable compounds for the formation of hydrochlorides include, for example, amines such as aliphatic and aromatic amines, cycloalkyl, aralkyl and heterocycloalkylamines, heteroaromatic amines, diazoamine (triazene) and its derivatives; hydroxylamines and their derivatives; hydrazines and their derivatives; imidates of carboxylic acids, carboxylic acid amides, carbazides, semicarbazides, guanidines, amino acids, amino sugars and derivatives thereof; aromatic or partially or fully saturated 5-membered rings containing one or more heteroatoms, such as pyrrole, oxazole, isoxazole, thiazole, isothiazole, imidazole, pyrazole, oxadiazole, thiadiazole, triazole, tetrazole and derivatives thereof; aromatic or partially or fully saturated 6-membered rings containing one or more nitrogen atoms and optionally other heteroatoms, such as pyridine, pyridazine, pyrimidine, pyrazine, oxadiazine, thiadiazine, triazine, tetrazine and derivatives thereof; saturated or unsaturated cyclic compounds containing 6 to 10 ring atoms containing one or more nitrogen atoms and optionally other heteroatoms, such as azepine, oxazepine, thiazepine, diazepine, oxadiazepine, thiadiazepine, azocine, azonin, azecane, acridine and acridine thereof; alkaloids, steroids, basic or amphoteric dyes and their derivatives; basic or amphoteric antibiotics (eg clindamycin, streptomycin, neomycin, tobramycin), β-lactam ring antibiotics (pivampicillin, cefalexin), tetracyclines (anthracycline (oxytetracycline and its complexes, chlortetracycline, tetracycline, tetracycline, tetracycline) ), cyclopeptides (enduradicidine), macrolides (erythromycin, nystatin, oleandomycin) and their * derivatives.
6 868446 86844
Keksinnön mukainen menetelmä suoritetaan liuottimessa. Liuottimeksi sopii ylimäärä käytettyä alkoholia. Myös muut alkoholit, esterit, ketonit tai eetterit ja näiden liuottimien mahdollisesti vettä sisältävät seokset ovat sopivia li uottimia.The process according to the invention is carried out in a solvent. Excess alcohol used is suitable as a solvent. Other alcohols, esters, ketones or ethers and possible aqueous mixtures of these solvents are also suitable solvents.
Valmistettavaa hydrokloridia pitää liueta käytettyyn liuot-timeen vähintään 0,1 paino-$. Yhdiste Q-SO2-CI liuotetaan reaktiokomponenttina toimivaan alkoholiin. Tämän liuoksen väkevyys on yleensä 0,1-10 moolia per litra, mielellään 0,5-2 moolia per litra.The hydrochloride to be prepared must be dissolved in the solvent used in an amount of at least 0.1% by weight. The compound Q-SO2-Cl is dissolved in the alcohol acting as a reaction component. The concentration of this solution is generally 0.1 to 10 moles per liter, preferably 0.5 to 2 moles per liter.
Keksinnön mukaisella menetelmällä voidaan hydrokloridit saada talteen hyvällä saannolla ja erittäin puhtaina yksinkertaisella ja teollisesti helpolla tavalla.With the process according to the invention, the hydrochlorides can be recovered in good yield and in high purity in a simple and industrially easy manner.
Keksintöä valaistaan seuraavilla esimerkeillä.The invention is illustrated by the following examples.
Esimerkki 1 150 ml metanolia ja 50 g oksitetrasykliini-kalsiumsilikaat-tikompleksia (sisältää 25 g oksitetrasykliiniä) sekoitetaan 30 minuuttia huoneenlämpötilassa. Seokseen lisätään 30 minuutin kuluessa liuos, jossa on 15 g vedetöntä kalsiumkloridia 100 mlcssa metanolia. Seosta sekoitetaan vielä puoli tuntia. Sitten seoksen pH säädetään arvoon 3>5 lisäämällä hitaasti kloorisulfonihapon raetanoliliuosta, jonka väkevyys on 1,5 mol/l, jota liuosta tarvitaan noin 34 ml (tarkistetaan pH-mittarilla ja lasielektrodilla). Lisätään 1 g aktiivihiiltä ja seosta sekoitetaan 30 minuuttia ja sen jälkeen suoda-- tetaan ja suodatuskakku pestään liuoksella, jossa on 3»75 g vedetöntä kalsiumkloridia 50 ml:ssa metanolia. Pesuliuos yhdistetään suodokseen. Liuokseen lisätään sekoituksen ja jäähdytyksen alaisena 15 minuutin kuluessa 17 ml 37-prosent-tista suolahappoa, jolloin pH-arvoksi tulee 0,4· Välillä lisätään pH-arvossa 1,5 sieraenkiteeksi 0,2 g puhdasta oksi- 86 8 44 Γ1 \ tetrasykliinihydrokloridia. Kiteytyminen alkaa välittömästi. Seosta sekoitetaan vielä 30 minuuttia ja sen jälkeen suodatetaan. Neulasmaiset kiteet suspendoidaan seokseen, jossa on 25 ml kylmää metanolia ja 2,5 ml 37-prosenttista suolahappoa, ja dekantoinnin jälkeen pestään vielä kaksi kertaa 10 ml:lla samaa seosta ja sen jälkeen suspendoidaan 25 ml:aan kylmää metanolia ja vielä pestään kaksi kertaa 10 ml:11a kylmää metanolia. Tuote kuivataan ilmassa 50°C:ssa. Näin saadaan 23,4 g oksitetrasykliinihydrokloridia keltaisina neulasmaisina kiteinä, jotka sisältävät 90 % oksitetrasykliiniä ja 1% vettä. Tämä merkitsee 78 $ saantoa käytetyn kompleksin perusteella laskettuna.Example 1 150 ml of methanol and 50 g of oxytetracycline-calcium silicate complex (containing 25 g of oxytetracycline) are stirred for 30 minutes at room temperature. A solution of 15 g of anhydrous calcium chloride in 100 ml of methanol is added to the mixture over 30 minutes. The mixture is stirred for another half hour. The pH of the mixture is then adjusted to 3> 5 by the slow addition of a 1.5 mol / l solution of chlorosulphonic acid in ethanol, which solution requires about 34 ml (check with a pH meter and a glass electrode). 1 g of activated carbon is added and the mixture is stirred for 30 minutes and then filtered and the filter cake is washed with a solution of 3 to 75 g of anhydrous calcium chloride in 50 ml of methanol. The wash solution is combined with the filtrate. Under stirring and cooling, 17 ml of 37% hydrochloric acid are added to the solution over a period of 15 minutes to give a pH of 0.4. At intervals, 0.2 g of pure oxy-tetracycline hydrochloride is added as a 1.5 crystalline crystalline crystal. Crystallization begins immediately. The mixture is stirred for a further 30 minutes and then filtered. The needle-like crystals are suspended in a mixture of 25 ml of cold methanol and 2.5 ml of 37% hydrochloric acid and, after decantation, washed twice more with 10 ml of the same mixture and then suspended in 25 ml of cold methanol and washed twice more with 10 ml. ml of cold methanol. The product is air dried at 50 ° C. 23.4 g of oxytetracycline hydrochloride are thus obtained in the form of yellow needle-like crystals containing 90% oxytetracycline and 1% water. This represents a yield of $ 78 based on the complex used.
Esimerkki 2Example 2
Liuokseen, jossa on 20 g kuivaa neulastenmuotoisina kiteinä olevaa oksitetrasykliini-hydrokloridia (93-prosenttinen) seoksessa, jossa on 37 ml 0,1 M suolahappoa ja 56 ml metanolia, lisätään sekoituksen alaisena 1 g aktiivihiiltä. Liuosta sekoitetaan muutama minuutti ja sen jälkeen suodatetaan. Suodokseen lisätään sekoittaen ja jäähdyttäen (5-10°C) kloorisulfonihapon metanoliliuosta, jonka väkevyys on 1,63 mol/l. Kiteytyvää seosta sekoitetaan mainitussa lämpötilassa vielä 30 minuuttia ja sen jälkeen suodatetaan. Tuote suspendoidaan 20 ml:aan laimeata suolahapon metanoliliuosta, suodatetaan ja pestään uudestaan 10 ml:11a laimeata suolahapon metanoliliuosta. Suodatuksen jälkeen pestään ensin kerran 20 ml:lla ja sen jälkeen 10 ml:11a kylmää metanolia. Lopuksi tuote kuivataan ilmassa 50 °C:ssa. Näin saadaan 16,76 g keltaista kiteistä oksitetrasykliini-hydrokloridia (saanto 82 %) f joka sisältää 91 % yhdistettä ja 8 $ vettä.To a solution of 20 g of dry needle-like crystals of oxytetracycline hydrochloride (93%) in a mixture of 37 ml of 0.1 M hydrochloric acid and 56 ml of methanol is added with stirring 1 g of activated carbon. The solution is stirred for a few minutes and then filtered. A methanolic solution of chlorosulfonic acid having a concentration of 1.63 mol / l is added to the filtrate with stirring and cooling (5-10 ° C). The crystallizing mixture is stirred at said temperature for a further 30 minutes and then filtered. The product is suspended in 20 ml of dilute methanolic hydrochloric acid solution, filtered and washed again with 10 ml of dilute methanolic hydrochloric acid solution. After filtration, wash first with 20 ml and then with 10 ml of cold methanol. Finally, the product is air-dried at 50 ° C. This gives 16.76 g of yellow crystalline oxytetracycline hydrochloride (yield 82%) f containing 91% of compound and $ 8 of water.
Esimerkki 3 20 g oksitetrasykliini-dihydraattia (85 $:nen) käsitellään * esimerkin 2 mukaisesti. Näin saadan 15,13 g keltaista kiteis tä oksitetrasykliini-hydrokloridia (saanto 81 ¢), joka sisältää 91 $ oksitetrasykliini-hydrokloridia ja 8 ¢ vettä.Example 3 20 g of oxytetracycline dihydrate ($ 85) are treated * according to Example 2. This gives 15.13 g of yellow crystalline oxytetracycline hydrochloride (yield 81 ¢) containing $ 91 oxytetracycline hydrochloride and 8 ¢ water.
8 868448 86844
Esimerkki 4 8 ml:aan vettä valmistetta liuos, joka sisältää 10 g betaiinia (karboksimetyyli-trimetyyli-amraoniumkloridi) suodatetaan ja sen jälkeen siihen lisätään huoneenlämpötilassa 60 ml kloorisulfonihapon etanoliliuosta, jonka väkevyys on 1,5 mol/l. Kiteytyvä liuos jäähdytetään 0°C:een ja tässä lämpötilassa sitä sekoitetaan 1 tunti. Sitten tuote suodatetaan pois, pestään n-propanoli11a ja sen jälkeen kuivataan. Näin saadaan 11,2 g (86 $) betaiini-hydrokloridia valkoisina kiteinä, jotka sulavat 231-232 °C:ssa.Example 4 To 8 ml of a water preparation, a solution containing 10 g of betaine (carboxymethyltrimethylammonium chloride) is filtered and then 60 ml of an ethanol solution of chlorosulfonic acid having a concentration of 1.5 mol / l are added thereto at room temperature. The crystallizing solution is cooled to 0 ° C and stirred at this temperature for 1 hour. The product is then filtered off, washed with n-propanol and then dried. This gives 11.2 g ($ 86) of betaine hydrochloride as white crystals melting at 231-232 ° C.
Esimerkki 5Example 5
Liuokseen, jossa on 50 ml dietyylieetteriä ja 9,8 ml (10,8 g) fenyylihydratsiinia, lisätään sekoituksen alaisena 27 ml metaanisulfonyylikloridin etanoliliuosta, jonka väkevyys on 4 mol/l. Kiteytyvää seosta sekoitetaan huoneenlämpö-tilassa puoli tuntia. Kiteinen tuote suodatetaan, pestään di-etyylieetterillä ja sen jälkeen kuivataan. Näin saadaan 13,6 g (94 $>) fenyylihydratsiniumkloridia. Tuotteen sulamispiste on 245-246°C.To a stirred solution of 50 ml of diethyl ether and 9.8 ml (10.8 g) of phenylhydrazine are added 27 ml of an ethanolic solution of methanesulfonyl chloride at a concentration of 4 mol / l. The crystallizing mixture is stirred at room temperature for half an hour. The crystalline product is filtered off, washed with diethyl ether and then dried. This gives 13.6 g (94%) of phenylhydrazinium chloride. The melting point of the product is 245-246 ° C.
Esimerkki 6Example 6
Liuos, jossa on 9,7 g tobramysiiniä 40 ml:ssa 80-prosent-tista raetanolia, suodatetaan ja sen jälkeen siihen lisätään huoneenlämpötilassa sekoituksen alaisena 40 ml metaanisulfo-nyylikloridin metanoliliuosta, jonka väkevyys on 0,5 mol/l. Näin syntyy valkoinen sakka. Seosta sekoitetaan 15 minuuttia. Sitten tuote suodatetaan, pestään metanolilla ja kuivataan vakuumissa 60°C:ssa.A solution of 9.7 g of tobramycin in 40 ml of 80% raethanol is filtered and then 40 ml of a 0.5 mol / l methanolic solution of methanesulphonyl chloride are added at room temperature with stirring. This creates a white precipitate. The mixture is stirred for 15 minutes. The product is then filtered, washed with methanol and dried in vacuo at 60 ° C.
Näin saadaan 13,1 g tobramysiini-hydrokloridia (98 $6). Rf-arvoksi saadaan 0,34, joka on yhtäpitävä vertailunäytteen Rf-arvon kanssa (valmiilla levyillä suoritettu ohutkerros-• kromatografia, 20 x 20 cm, Merck Kieselgel 60 F254.; liikkuva faasi: 30-prosenttiseen etanoliin valmistettu NaCl-liuos, jonka väkevyys on 2,5 M; kehitys: natriumhypokloriitin 9 86844 0,5-prosenttinen vesiliuos, kuivaus, suihkutus etanolilla, kuivaus, suihkutus 1,1 fo kadmium jodidi liuoksella ja 1,5 $ tärkkelysli uoksella (amyloosi) ).This gives 13.1 g of tobramycin hydrochloride ($ 98 6). The Rf value is 0,34, which is in agreement with the Rf value of the reference sample (thin-layer chromatography on finished plates, 20 x 20 cm, Merck Kieselgel 60 F254; mobile phase: NaCl solution in 30% ethanol at a concentration of is 2.5 M, development: 0.5% aqueous solution of sodium hypochlorite 9,86844, drying, spraying with ethanol, drying, spraying with 1.1 fo cadmium iodide solution and $ 1.5 starch solution (amylose)).
Esimerkki 7 15.3 g:aan dopamiinia (3,4-dihydroksifenyyiietyyliaraiini) lisätään typpiatmosfäärissä 50 ml dietyylieetteriä ja sen jälkeen sekoituksen alaisena 55 ml p-tolueenisulfonyyli-kloridin metanoliliuosta, jonka väkevyys on 2 mol/l. Seosta sekoitetaan 1 tunti huoneenlämpötilassa. Erottuneet kiteet suodatetaan, pestään eetterillä ja kuivataan. Näin saadaan 17.3 g (91 i) dopamiini-hydrokloridia, jonka sulamispiste on 240-241°C.Example 7 To 15.3 g of dopamine (3,4-dihydroxyphenylethylaramine) is added, under a nitrogen atmosphere, 50 ml of diethyl ether and then, with stirring, 55 ml of a 2 mol / l methanolic solution of p-toluenesulfonyl chloride. The mixture is stirred for 1 hour at room temperature. The separated crystals are filtered off, washed with ether and dried. This gives 17.3 g (91 l) of dopamine hydrochloride, m.p. 240-241 ° C.
Esimerkki 8Example 8
Seokseen, jossa on 15,2 g morfiinia ja 50 ml 80-prosenttista etanolia, lisätään sekoituksen alaisena 30 ml p-tolueeni-sulfonyylikloridin etanoliliuosta, jonka väkevyys on 2 mol/l. Seosta sekoitetaan 2 tuntia huoneenlämpötilassa ja sen jälkeen sekoitetaan 30 minuuttia 5°C:ssa. Kiteinen tuote suodatetaan, pestään 2-propanolilla ja sen jälkeen kuivataan. Näin saadaan 18,2 g (97 $>) morfiinihydrokloridia, jonka sulamispiste on 198-200°C. Γα]25 : -113,5° (c=2,2 D . .To a stirred mixture of 15.2 g of morphine and 50 ml of 80% ethanol is added 30 ml of an ethanol solution of p-toluenesulfonyl chloride having a concentration of 2 mol / l. The mixture is stirred for 2 hours at room temperature and then stirred for 30 minutes at 5 ° C. The crystalline product is filtered off, washed with 2-propanol and then dried. This gives 18.2 g (97%) of morphine hydrochloride, m.p. 198-200 ° C. Γα] 25: -113.5 ° (c = 2.2 D.
vedettömän emäksen mukaan laskettuna; vesij.calculated on the anhydrous base; roll water cooled.
Esimerkit 9-31Examples 9-31
Seuraavassa taulukossa luetellut yhdisteet valmistetaan esimerkeissä 4-8 kuvatulla tavalla. Taulukossa on myös mainittu käytetyt reagenssit, liuottimet, reaktio-olosuhteet, saannot ja sulamispisteet, joista on käytetty seuraavia lyhenteitä:The compounds listed in the following table are prepared as described in Examples 4-8. The table also lists the reagents, solvents, reaction conditions, yields and melting points used, abbreviated as follows:
No Esimerkin numero A Tuotteen nimi ·. B Lähtöaineen yhdistetyyppi C Suolanmuodostuksen reaktioväliaine D Käytetty Q-SOp-Cl-reagenssi 86844 10 E Q-SOp-Clin kanssa tapahtuvan reaktion alkoholikomponentti F Hydrokloridin saanto, %Example number A Product name. B Compound type of starting material C Salt formation reaction medium D Q-SOp-Cl reagent used 86844 10 E Alcohol component of the reaction with Q-SOp-Clin F Yield of hydrochloride,%
G Hydrokloridin sulamispiste, °CG Melting point of hydrochloride, ° C
H Hydrokloridin aninaiskiertokyky, [aj25H Hydrochloride anin rotation, [aj25
MeOH = metanoli EtOH= etanoli 1-PrOH = n-propanoli 2-PrOH=isopropanoli 1-BuOH = n-butanoli AcOEt=etyyliasetaattiMeOH = methanol EtOH = ethanol 1-PrOH = n-propanol 2-PrOH = isopropanol 1-BuOH = n-butanol AcOEt = ethyl acetate
Me2C0=asetoni EtpO^dietyylieetteri CS=kloorisulfonihappo MsCl= metaanisulfopyylikloridi TsCl=p-tolueenisulfopyyliklor id iMe 2 CO = acetone Et 2 O 4 diethyl ether CS = chlorosulfonic acid MsCl = methanesulfonyl chloride TsCl = p-toluenesulfonyl chloride
No A B C D E F G HNo A B C D E F G H
9 Propranol- Alifaattinen 1-PrOH CS 1-PrOH 95 165—4 “ oli*HCl amiini 10 KLorgua- Guanidiini- EtOH CS EtOH 96 245-4 nidi-HCl johdannainen 90$ 11 Peni sill- Aminohappo AcOEt CS 2-PrOH 91 177-8 -65°9 Propranol Aliphatic 1-PrOH CS 1-PrOH 95 165-4 “was * HCl amine 10 KLorgua- Guanidine- EtOH CS EtOH 96 245-4 nidi-HCl derivative 90 $ 11 Peni sill- Amino acid AcOEt CS 2-PrOH 91 177 -8 -65 °
amiini*HCl c=5,NaOHamine * HCl c = 5, NaOH
12 Prokaiini Aromaattinen 1-PrOH CS EtOH 88 155-6 •HC1 amiini 13 Ketamiini- Sykloalkyyli- EtOH CS EtOH 85 262-3 •HC1 amiini 14 Amantar- Sykloalkyyli- EtOH + CS EtOH '94 36012 Procaine Aromatic 1-PrOH CS EtOH 88 155-6 • HCl amine 13 Ketamine- Cycloalkyl- EtOH CS EtOH 85 262-3 • HCl amine 14 Amantar- Cycloalkyl- EtOH + CS EtOH '94 360
diini*HCl amiini EtpOdine * HCl amine EtpO
15 Klindamysii- Aminosyklitoli- EtOH + MsCl EtOH 94 141-3 144°, ni*HCl*H20 antibiootti AcOEt vesi 16 Streptomy- Aminosyklitoli- EtOH MsCl EtOH 88 -84° siini*3HCl antibiootti 17 Pivampisil- $-laktaamianti- 1-PrOH CS 1-PrOH 85 154-6 200° liini-HCL oiootti c-1 ,vesi 18 Noformy- Aminohappo- MeOH CS MeOH 92 262-4 8,8°15 Clindamycin-Aminocyclitol- EtOH + MsCl EtOH 94 141-3 144 °, ni * HCl * H 2 O antibiotic AcOEt water 16 Streptomy- Aminocyclitol- EtOH MsCl EtOH 88 -84 ° cis * 3HCl antibiotic 17 Pivampisil- $ -actamantine-1-PrOH CS 1-PrOH 85 154-6 200 ° line HCl solvent c-1, water 18 Noformy- Amino acid- MeOH CS MeOH 92 262-4 8.8 °
siini*2HCl antibiootti MeOHbus * 2HCl antibiotic MeOH
t! 11 86844t! 11 86844
No A B C D E p pNo A B C D E p p
^ H^ H
19 Spektinomy- Antibiootti EtOH+ TsCl EtOH 91 ~ -20° siini*2HCi vesi 20 Doksisyk- Tetrasykli i- EtOH CS EtOH 92 110° liini-HCl niantibiootti 202 21 Tetrasyk- Tetrasykli!- 1-BuOH TsCl 1-BuOH 96 257 5° liini*HCl niantibiootti 22 Doksorubi- Antrasyklii- Me2C0 CS MeOH 92 204-5 248° siini'HCl niantibiootti ,, 23 Oleandotny- Makrolidi- AcOEt MsCl EtOH 90 13>5 -54Q 11 siini'HCl antibiootti 24 Tontsil- Heteroaryyli- EtOH+ MsCl EtOH 95 174--619 Spectinomy-Antibiotic EtOH + TsCl EtOH 91 ~ -20 ° cine * 2HCl water 20 Doxycycl-Tetracycline i-EtOH CS EtOH 92 110 ° line HCl niantiotic 202 21 Tetracycl-Tetracyclo-1-BuOH TsCl 1-BuOH 96 257 5 ° line * HCl niantibiotic 22 Doxorubi- Anthracycline Me2C0 CS MeOH 92 204-5 248 ° sine'HCl niantibiotic ,, 23 Oleandotny- Macrolide- AcOEt MsCl EtOH 90 13> 5 -54Q 11 sine'HCl antibiotic 24 Tontsil- Heteroaryl-EtOH + M EtOH 95 174--6
amiini'KCl amiini EtpOamine'ClCl amine EtpO
25 Metidyyli- Pyrrolljohdan- 2-PrOH TsCl 2-PrOH 95 187-9 atsiini-HCl nainen 26 Tetramit- Imidatsoli joh- EtOH TsCl EtOH 84 264-6 soli'HCl dannainen 27 Fonglutaari- Pyr idi ini joh- MeOH+ CS MeOH 91 176-7 imidi *HC1 dannainen AcOEt 23 Opipramoli- Pyratsiini- ja EtOH CS EtOH 94 227-9 *HC1 atsepiini- johdannainen 29 Nalorf iini- Alkaloidi EtOH CS EtOH 94 270 •HC1 50 Hydrokorta- Steroidi AcOEt CS EtOH 92 222 maatti'HCl 51 Kyprohepta- Pyr idi ini- EtOH+ CS EtOH 88 252-4 diini*HCl johdannainen25 Methidyl-Pyrrole derivative- 2-PrOH TsCl 2-PrOH 95 187-9 azine-HCl female 26 Tetramites- Imidazole derivative EtOH TsCl EtOH 84 264-6 sol'HCl derivative 27 Fonglutar pyridine derivative MeOH + CS MeOH 91 176 -7 imide * HCl derivative AcOEt 23 Opipramol- Pyrazine and EtOH CS EtOH 94 227-9 * HCl azepine derivative 29 Nalorphine- Alkaloid EtOH CS EtOH 94 270 • HC1 50 Hydrocortic steroid AcOEt CS EtOH 92 222 mate'HCl 51 Cyprohepta- Pyr idi ini- EtOH + CS EtOH 88 252-4 dyne * HCl derivative
Claims (7)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| HU149783 | 1983-05-02 | ||
| HU831497A HU190896B (en) | 1983-05-02 | 1983-05-02 | New process for preparing hydrochloride |
Publications (4)
| Publication Number | Publication Date |
|---|---|
| FI841544A0 FI841544A0 (en) | 1984-04-17 |
| FI841544A FI841544A (en) | 1984-11-03 |
| FI86844B true FI86844B (en) | 1992-07-15 |
| FI86844C FI86844C (en) | 1992-10-26 |
Family
ID=10954734
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FI841544A FI86844C (en) | 1983-05-02 | 1984-04-17 | Process for the preparation of hydrochlorides |
Country Status (11)
| Country | Link |
|---|---|
| EP (1) | EP0125542B1 (en) |
| JP (1) | JPS606623A (en) |
| KR (1) | KR870002001B1 (en) |
| AT (1) | ATE32704T1 (en) |
| AU (1) | AU564839B2 (en) |
| CA (1) | CA1208626A (en) |
| DE (1) | DE3469513D1 (en) |
| DK (1) | DK216384A (en) |
| FI (1) | FI86844C (en) |
| HU (1) | HU190896B (en) |
| NZ (1) | NZ208009A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109942445A (en) * | 2019-02-26 | 2019-06-28 | 山东瑞弘生物科技有限公司 | Beet alkali hydrochlorate synthetic method |
| CN114920664B (en) * | 2022-05-18 | 2023-03-24 | 郑州福源动物药业有限公司 | Spherical microcrystalline oxytetracycline hydrochloride with small hygroscopicity, preparation method and application thereof |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DD32304A (en) * | ||||
| US3745188A (en) * | 1971-04-19 | 1973-07-10 | Lilly Co Eli | Preparation of nitrobenzyl alcohol mesylates and tosylates |
| US3840579A (en) * | 1972-05-03 | 1974-10-08 | Shell Oil Co | Sulfonic acid esters |
-
1983
- 1983-05-02 HU HU831497A patent/HU190896B/en not_active IP Right Cessation
-
1984
- 1984-04-17 FI FI841544A patent/FI86844C/en not_active IP Right Cessation
- 1984-04-26 DE DE8484104707T patent/DE3469513D1/en not_active Expired
- 1984-04-26 AT AT84104707T patent/ATE32704T1/en not_active IP Right Cessation
- 1984-04-26 EP EP84104707A patent/EP0125542B1/en not_active Expired
- 1984-04-26 CA CA000452850A patent/CA1208626A/en not_active Expired
- 1984-04-27 JP JP59084192A patent/JPS606623A/en active Granted
- 1984-05-01 NZ NZ208009A patent/NZ208009A/en unknown
- 1984-05-01 KR KR1019840002339A patent/KR870002001B1/en not_active IP Right Cessation
- 1984-05-01 DK DK216384A patent/DK216384A/en not_active Application Discontinuation
- 1984-05-02 AU AU27611/84A patent/AU564839B2/en not_active Ceased
Also Published As
| Publication number | Publication date |
|---|---|
| NZ208009A (en) | 1987-07-31 |
| KR840009296A (en) | 1984-12-26 |
| DE3469513D1 (en) | 1988-04-07 |
| FI86844C (en) | 1992-10-26 |
| FI841544A0 (en) | 1984-04-17 |
| DK216384D0 (en) | 1984-05-01 |
| KR870002001B1 (en) | 1987-11-30 |
| AU2761184A (en) | 1984-11-08 |
| AU564839B2 (en) | 1987-08-27 |
| FI841544A (en) | 1984-11-03 |
| JPH0517893B2 (en) | 1993-03-10 |
| CA1208626A (en) | 1986-07-29 |
| EP0125542A1 (en) | 1984-11-21 |
| JPS606623A (en) | 1985-01-14 |
| EP0125542B1 (en) | 1988-03-02 |
| DK216384A (en) | 1984-11-03 |
| HU190896B (en) | 1986-12-28 |
| ATE32704T1 (en) | 1988-03-15 |
| HUT34145A (en) | 1985-02-28 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MM | Patent lapsed | ||
| MM | Patent lapsed |
Owner name: BIOGAL GYOGYSZERGYAR RT. |