PL93998B1 - Alkanolamine derivatives[ca945172a] - Google Patents

Alkanolamine derivatives[ca945172a] Download PDF

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PL93998B1
PL93998B1 PL1970174445A PL17444570A PL93998B1 PL 93998 B1 PL93998 B1 PL 93998B1 PL 1970174445 A PL1970174445 A PL 1970174445A PL 17444570 A PL17444570 A PL 17444570A PL 93998 B1 PL93998 B1 PL 93998B1
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radical
carbon atoms
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alkyl
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    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
    • C07D303/00Compounds containing three-membered rings having one oxygen atom as the only ring hetero atom
    • C07D303/02Compounds containing oxirane rings
    • C07D303/12Compounds containing oxirane rings with hydrocarbon radicals, substituted by singly or doubly bound oxygen atoms
    • C07D303/18Compounds containing oxirane rings with hydrocarbon radicals, substituted by singly or doubly bound oxygen atoms by etherified hydroxyl radicals
    • C07D303/20Ethers with hydroxy compounds containing no oxirane rings
    • C07D303/22Ethers with hydroxy compounds containing no oxirane rings with monohydroxy compounds
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    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C243/00Compounds containing chains of nitrogen atoms singly-bound to each other, e.g. hydrazines, triazanes
    • C07C243/24Hydrazines having nitrogen atoms of hydrazine groups acylated by carboxylic acids
    • C07C243/26Hydrazines having nitrogen atoms of hydrazine groups acylated by carboxylic acids with acylating carboxyl groups bound to hydrogen atoms or to acyclic carbon atoms
    • C07C243/30Hydrazines having nitrogen atoms of hydrazine groups acylated by carboxylic acids with acylating carboxyl groups bound to hydrogen atoms or to acyclic carbon atoms to carbon atoms of an unsaturated carbon skeleton
    • C07C243/32Hydrazines having nitrogen atoms of hydrazine groups acylated by carboxylic acids with acylating carboxyl groups bound to hydrogen atoms or to acyclic carbon atoms to carbon atoms of an unsaturated carbon skeleton the carbon skeleton containing rings
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    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/51Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition
    • C07C45/54Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition of compounds containing doubly bound oxygen atoms, e.g. esters
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    • C07ORGANIC CHEMISTRY
    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/61Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
    • C07C45/62Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by hydrogenation of carbon-to-carbon double or triple bonds
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    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C45/00Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
    • C07C45/61Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups
    • C07C45/67Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton
    • C07C45/68Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms
    • C07C45/72Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms by reaction of compounds containing >C = O groups with the same or other compounds containing >C = O groups
    • C07C45/74Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by reactions not involving the formation of >C = O groups by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms by reaction of compounds containing >C = O groups with the same or other compounds containing >C = O groups combined with dehydration
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    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C59/00Compounds having carboxyl groups bound to acyclic carbon atoms and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups
    • C07C59/40Unsaturated compounds
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    • C07CACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C59/00Compounds having carboxyl groups bound to acyclic carbon atoms and containing any of the groups OH, O—metal, —CHO, keto, ether, groups, groups, or groups
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    • C07DHETEROCYCLIC COMPOUNDS
    • C07D263/00Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings
    • C07D263/02Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings not condensed with other rings
    • C07D263/04Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings not condensed with other rings having no double bonds between ring members or between ring members and non-ring members
    • C07D263/06Heterocyclic compounds containing 1,3-oxazole or hydrogenated 1,3-oxazole rings not condensed with other rings having no double bonds between ring members or between ring members and non-ring members with hydrocarbon radicals, substituted by oxygen atoms, attached to ring carbon atoms
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    • C07ORGANIC CHEMISTRY
    • C07DHETEROCYCLIC COMPOUNDS
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    • C07D303/02Compounds containing oxirane rings
    • C07D303/12Compounds containing oxirane rings with hydrocarbon radicals, substituted by singly or doubly bound oxygen atoms
    • C07D303/18Compounds containing oxirane rings with hydrocarbon radicals, substituted by singly or doubly bound oxygen atoms by etherified hydroxyl radicals
    • C07D303/20Ethers with hydroxy compounds containing no oxirane rings
    • C07D303/24Ethers with hydroxy compounds containing no oxirane rings with polyhydroxy compounds

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  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
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  • Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)

Abstract

1-(Substd.-phenoxy)-3-isopropylamino-2-propanols as beta-adrenergic blocking agents Cpds. of gen. formula (I): (where R1 is alkyl or hydroxyalkyl; R2 is an electronegative residue esp. MeCO, EtCO, CN, MeOCO, EtOCO, NH2CO, MeNHCO, isoPr-NHCO, BuNHCO, AllylNHCO or carbazoyl; A is alkylene or alkenylene; n is 1 or 2; and R3 is H, Hal, alkyl, cycloalkyl, alkenyl, NO2, OH, alkylthio, alkoxy, alkenyloxy, aryl, aryloxy, aralkyl, aralkoxy, hydroxyalkyl, alkoxyalkyl, haloalkyl, acyl, alkoxycarbonyl, or CN and when n = 2 R3 groups may be the same or different) and the esters, condensation products with aldehydes and salts of (I). [FR2034561A1]

Description

Przedmiotem wynalazku jest sposób wytwarzania pochodnych alkanoloaminy o ogólnym wzorze 1, w którym R1 oznacza rodnik alkilowy lub hydro- io ksyalkilowy, kazdy o nie wiecej niz 6 atomach we¬ gla, R2 oznacza rodnik acylowy o nie wiecej niz 6 atomach wegla, rodnik karbamylowy, alkilokar- bamylowy lub alkenylokarbamylowy, w którym czesc alkilowa lub alkenylowa zawiera nie wiecej is niz 6 atomów wegla, lub rodnik karbazoilowy, A oznacza rodnik alkilenowy o 1—5 atomach wegla, n oznacza wartosc liczbowa 1 lub 2, a R8 — ewen¬ tualnie rózny jesli n = 2, oznacza atom wodoru lub chlorowca, rodnik nitrowy, hydroksylowy lub cyja- 20 nowy, rodnik alkilowy, alkenylowy, acylowy lub alkoksykarbonylowy, kazdy o nie wiecej niz 6 ato¬ mach wegla, rodnik cykloalkilowy o nie wiecej niz S atomach wegla, rodnik tioalkilowy, alkoksylowy lub alkenyloksylowy, kazdy o nie wiecej niz 5 25 atomach wegla, rodnik arylowy, aryloksylowy, ara- lkilowy lub aralkoksylowy, kazdy o nie wiecej niz 10 atomach wegla, lub rodnik alkilowy o nie wiecej niz 5 atomach wegla podstawiony jednym lub kilkoma rodnikami hydroksylowymi, alkoksylo- 3 o wymi o nie wiecej niz 4 atomach wegla lub ato¬ mami chlorowca, oraz soli addycyjnych tych zwiaz¬ ków, z kwasem.Oczywiste jest, ze wyzej okreslone pochodne al¬ kanoloaminy dotycza równiez wszystkich mozli¬ wych stereoizomerów i mieszanin tych zwiazków.Odpowiednim rodnikiem o symbolu R1 jest rod¬ nik alkilowy lub hydroksyalkilowy, kazdy o nie wie¬ cej niz 6 atomach wegla, a zwlaszcza 3—5 atomach wegla, korzystnie rozgaleziony przy weglu w pozy¬ cji a, np. rodnik izopropylowy, II-rzed. butylowy, III-rzed. butylowy, 2-hydroksy-l,l-dwumetyloetylo- wy lub 2-hydroksy-l-metyloetylowy.Odpowiednim rodnikiem acylowym o symbolu R2 jest rodnik alkanoilowy o nie wiecej niz 6 atp- mach wegla, taki jak rodnik acetylowy lub pro- pionylowy. .; r Odpowiednim rodnikiem alkilokarbamylowym lub alkenylokarbamylowym oznaczonym symbolem R2 jest taki rodnik, w którym czesc alkilowa lub al¬ kenylowa zawiera nie wiecej niz 6 atomów wegla, np. rodnik metylokarbamylowy, izopropylokarba- mylowy, n-butylokarbamylowy lub allilokarbamy- lowy.Odpowiednim rodnikiem oznaczonym symbolem A jest rodnik alkilenowy o 1—5 atomach wegla, taki jak rodnik metylenowy, etylenowy, etylide- nowy, trójmetylenowy.Odpowiednim chlorowcem o symbolu R8 jest atom fluoru, chloru, bromu lub jodu. 93 99893 998 3 4 Odpowiednim rodnikiem alkilowym o symbolu R8 jest rodnik alkilowy o nie wiecej niz 6 atomach wegla, np. rodnik metylowy, n-propylowy lub Il-rzed.-butylowy.Odpowiednim rodnikiem cykloalkilowym o sym¬ bolu H3 jest rodnik cykloalkilowy o nie wiecej niz 8 atomach wegla, np. rodnik cyklopropylowy, cyklobutylowy lub cyklopentylowy, a jako rodnik alkenylowy, o symbolu R8 odpowiedni jest rodnik alkenylowy o nie wiecej niz 6 atomach wegla, np. rodnik allilowy.Odpowiednim rodnikiem tioalkilowym, alkoksy¬ lowym lub alkenoksylowym o symbolu R8 jest rod¬ nik tioalkilowy, alkoksylowy lub alkenyloksylowy, kazdy o nie wiecej niz 5 atomach wegla, np. rod¬ nik tiometylowy, metoksylowy, izopropoksylowy lub alliloksylowy.Odpowiednim rodnikiem arylowym lub aryloksy- lowym o symbolu R8 jest rodnik aryIowy lub aryloksyIowy, kazdy o nie wiecej niz 10 atomach wegla, np. rodnik fenylowy lub fenoksylowy.Odpowiednim rodnikiem aralkilowym lub aral- koksylowym o symbolu R8 jest rodnik aralkilowy lub aralkoksylowy o nie wiecej niz 10 atomach wegla, np. rodnik benzylowy, a-fenyloetylowy, lub benzylooksylowy.Odpowiednim rodnikiem hydroksyalkilowym, al- koksyalkilowym lub halogenoalkilowym o symbolu R3 jest np. rodnik alkilowy o nie wiecej niz 5 ato¬ mach wegla, podstawiony jedna lub kilkoma gru¬ pami hydroksylowymi lub rodnikami alkoksylo- wymi o nie wiecej niz 4 atomach wegla lub ato¬ mami chlorowca, np. rodnik hydroksymetylowy, metoksymetylowy lub trójfluorometylowy.Odpowiednim rodnikiem acylowym lub alkoksy- karbonylowym o symbolu H* jest rodnik acylowy lub alkoksykarbonylowy kazdy o nie wiecej niz 6 atomach wegla, np. rodnik acetylowy, propiony- lowy, metoksykarbonylowy lub etoksykarbonylo- wy.Pochodne alkanoloaminy wytworzone sposobem wedlug wynalazku w postaci wolnej zasady moga byc przetworzone w znany sposób na addycyjne sole z kwasami. Odpowiednimi solami addycyjnymi po¬ chodnych alkanoloaminy z kwasem sa sole z kwa¬ sami nieorganicznymi, np. chlorowodorki, bromo- wodorki, fosforany, siarczany lub sole z kwasami organicznymi, np. szczawiany, mleczany, winiany, octany, salicylany, cytryniany, benzoesany, P-nafto- esany, adypiniany lub l,l-metyleno-dwu-(2-hydrok- sy-3-naftoesany) oraz sole kwasowych zywic syn¬ tetycznych, np. sulfonowanych zywic polistyreno¬ wych, takich jak Zeokarb 225.Korzystna grupe pochodnych alkanoloaminy otrzymanych sposobem wedlug wynalazku stano¬ wia zwiazki o ogólnym wzorze 2, w którym R1, R2, A i R* maja wyzej podane znaczenie i addycyjne sole tych zwiazków z kwasami. 2 grupy tych zwiaz¬ ków szczególnie wyrózniaja sie zwiazki o wzorze 2, w którym R1 oznacza rodnik izopropylowy lub Ilt-rzed.-butylowy, R2 oznacza rodnik karbamylo- wy lub alkilokarbamylowy, w którym rodnik alki¬ lowy zawiera nie wiecej niz 3 atomy wegla, A oznacza rodnik metylenowy, Rs oznacza atom wo¬ doru, atom chlorowca, rodnik alkilowy, alkenylowy lub alkoksylowy, kazdy o nie wiecej niz 4 atomach wegla, albo zwiazki o ogólnym wzorze 2, w którym R1 ma wyzej podane znacznie, R2 oznacza rodnik acetylowy lub karbamylowy, A oznacza rodnik etylenowy, R8 oznacza rodnik alkoksylowy o nie wiecej niz 4 atomach wegla, oraz addycyjne sole tych zwiazków z kwasem.Specyficzne pochodne alkanoloaminy wytwarza¬ ne sposobem wedlug wynalazku sa opisane w po¬ danych przykladach, przy czym szczególnie aktyw¬ nymi sa: l-p-karbamylometylofenoksy-3-izopropylo- amino-2-propanol, l-p-(N-izopropylokarbamylome- tylo)-fenoksy-3-izopropyloamino-2-propanol, l-<2- -bromo- 4 -karbamylometylofenoksy)- 3 - izopropylo- amino-2-propanol, l-p-karbamylometylofenoksy-3- -III-rzed.-butyloamino-2-propanol, 1-m-karbamylo- metylofenoksy-3-izopropyloamino-2-propanol, l-(2- -allilo-4-karbamylometylofenoksy)-3-izopropyloami- no-2-propanol, l-(4-karbamylometylo-2-metoksyfe- noksy)-3-izopropyloamino-2-propanol, l-p-(N-mety- lokarbamylometylo) - fenoksy- 3 -izopropyloamino-2- -propanol, l-(4-karbamylometylo-2-jodofenoksy)-3- -izopropyloamino-2-propanol, l-(4-karbamylomety- lo-z-metylofenoksy)-3 -izopropyloamino- 2 -propanol, l-(4-karbamylometylo- 2 - n -propylofenoksy)- 3 -izo- propyloamino-2-propanol, l-(4-karbamylometylo-2- -ll-rzed.-butylofenoksy)- 3 -izopropyloamino- 2 -pro¬ panol, l-(4-karbamylometylo-2-metoksyfenoksy)-3- -III-rzed.-butyloamino-2-propanol, l-(4-N-metylo- karbamylometylo-(2-n-propylofenoksy)- 3 -izopropy- loamino-2-propanol, l-(2-allilo-4-N-metylokarbamy- lometylofenoksy)-3-izopropyloamino-2-propanol, 1- -(2-allilo- 4 - N-metoksykarbamylometylofenoksy)-3- -III-rzed.-butyloamino-2-propanol, l-(4-karbamylo- metylo-2,5-dwumetylofenoksy)-3-izopropyloamino-2- -propanol, l-(4-p-karbamyloetylo-2-metoksyfenok- sy)-3-izopropyloamino-2-propanol, l-(4-|3-karbamy- loetylo-2-metoksyfenoksy) - 3-III-rzed.-butyloamino- -2-propanol, l-[2-metoksy-4-(3~ketobutylo)-fenoksy]- -3-izopropyloamino-2-propanol, 1- [4-p-cyjanomety- lo-2-metoksyfenoksy)-3-izopropyloamino-2-propanol, l-(2-metoksy-4 -p-metoksykarbonylowinylofenoksy)- -3-izopropyloamino-2-propanol, l-(4-(5-cyjanowiny- lo-2-metoksyfenoksy)-3-izopropyloamino- 2-propanol oraz addycyjne sole tych zwiazków z kwasami.Sposób wedlug wynalazku wytwarzania pochod¬ nych alkanoloaminy o wyzej wymienionym wzorze 1, w którym wszystkie symbole maja wyzej podane znaczenie, polega na tym, ze zwiazek o ogólnym wzorze 3, w którym R2, R8, A i n maja wyzej po¬ dane znaczenie, lub sól tego zwiazku z metalem alkalicznym, poddaje sie reakcji ze zwiazkiem o ogólnym wzorze YCl^CHOHCHgNHR1 lub o ogól¬ nym wzorze 4, w których to wzorach R1 ma wyzej podane znaczenie, a Y oznacza atom chlorowca, korzystnie atom chloru lub bromu, a nastepnie po¬ chodna alkanoloaminy w postaci wolnej zasady ewentualnie poddaje sie reakcji z kwasem w celu uzyskania jej soli addycyjnej z kwasem.Reakcje korzystnie prowadzi sie w srodowisku rozpuszczalnika lub rozcienczalnika, np. metanolu lub etanolu, w obecnosci srodka wiazacego kwas tworzacy sie podczas reakcji, np. wodorotlenku sodu, 'przy czym reakcje mozna przyspieszyc i za¬ konczyc przez ogrzewanie. Fenol stosowany jako 40 45 50 55 605 •3 998 6 zwiazek wyjsciowy moze byc uzyty do reakcji w postaci jego soli sodowej lub potasowej.Korzystna grupe pochodnych alkanoloaminy wy¬ twarzanych w sposób wedlug wynalazku stanowia zwiazki o ogólnym wzorze 5 lub 6, w których to wzorach R1 oznacza rodnik izopropylowy lub III- -rzed.-butylowy, R3 oznacza atom wodoru albo chlorowca lub rodnik alkilowy, alkenyIowy albo alkoksylowy o nie wiecej niz 4 atomach wegla, R10 oznacza atom wodoru lub rodnik alkilowy o nie wiecej niz 3 atomach wegla, a A oznacza grupe metylenowa. Powyzsze zwiazki wytwarza sie w ten sposób, ze zwiazek o ogólnym wzorze 8; w którym R* i R1§ maja wyzej podane znaczenie, lub sól tego zwiazku z metalem alkalicznym, pod¬ daje sie reakcji ze zwiazkiem o ogólnym wzorze YCHjjCHOHCHaNHR1 lub o ogólnym wzorze 4, w których to wzorach R1 oznacza rodnik izopropylowy lub III-rzed.-butylowy, a Y oznacza atom chloru lub bromu.Szczególnie korzystnym zwiazkiem jest 1-p-kar- bamylometylofenoksy-3-izopropyloamino-2-propanol i addycyjne sole tego zwiazku z kwasami, przy czym zwiazki te wytwarza sie w ten sposób, ze p-karbamylornetylofenol lub jego sól z metalem alkalicznym, poddaje sie reakcji ze zwiazkiem o wzorze YCH2CHOHCCH2NHCH(CH3)2, w którym Y oznacza atom chloru lub bromu, lub ze zwiaz¬ kiem o wzorze 9, a nastepnie otrzymany zwiazek w postaci wolnej zasady ewentualnie poddaje sie reakcji z kwasem w celu uzyskania jego soli addy¬ cyjnej z kwasem.Pochodne alkanoloaminy i ich sole addycyjne z kwasem wykazuja duza aktywnosc w leczeniu i zapobieganiu chorób serca. Niektóre z tych zwiaz¬ ków wykazuja zdolnosc selektywnego blokowania adrenergicznych |3 -receptorów, przy czym stopien selektywnego blokowania jest wiekszy w stosunku do |3-receptorów, serca, niz do obwodowych naczyn krwionosnych i miesnia oskrzelowego. Tak wiec mozna dobrac taka dawke zwiazku, która bedzie wykazywala dzialanie blokujace wplywu katecho- laminy, np. izoprenaliny, na inotropowa i cfrrono- tropowa czynnosc serca, ale nie bedzie blokowac rozluzniajacego dzialania izoprenaliny na gladka, miesniówke tchawicy lub wywolanego przez nia rozszerzenia naczyn obwodowych. Ze wzgledu na powyzsze selektywne wlasnosci zwiazki wedlug wynalazku moga byc stosowane lacznie ze znany¬ mi sympatomimetykami rozszerzajacymi miesniów¬ ke gladka tchawicy, takimi jak izoprenalina, orci- prenalina, adrenalina lub efedryna w leczeniu ast¬ my lub innych schorzen dróg oddechowych. O ile selektywne zwiazki hamuja niepozadany efekt po¬ budzajacy zwiazków rozszerzajacych miesniówke gladka oskrzeli na serce, to jednak nie przeciw¬ dzialaja zadanym terapeutycznym efektom zwiaz¬ ków rozszerzajacych oskrzele.Znane sa liczne zwiazki wykazujace zdolnosc blokowania adrenergicznych ]3-receptorów, sposród; których wiele przedstawia pochodne l-aryloksy-3- -amino-2-propanolu, a zwlaszcza zawierajace rod-, nik 1-aryloksylowy z podstawnikiem acyloamino- wym. Jest pozadane, aczkolwiek nie stanowi to; zasadniczego warunku, aby zwiazek wykazujacy zdolnosc blokowania 0-adrenergicznych receptorów, w klinicznym zastosowaniu nie posiadal jakiej¬ kolwiek czynnosci sympatomimetycznej.Jednym ze zwiazków najbardziej poznanym w ba- daniach klinicznych jest propanol-(l-izopropylo- amino-3-)-naftyloksy-l(2-pilópanol, wymieniony w brytyjskim opisie patentowym nr 994918; zwiazek ten nie wykazuje zadnej aktywnosci sympatomi¬ metycznej. Jedakze poza wymienionym zwiazkiem io dotychczas nie sa znane zadne zwiazki wykazujace zdolnosc blokowania adrenergicznych receptorów, które nie wykazywalyby jednoczesnie wewnetrznej aktywnosci sympatomimetycznej. Natomiast znacz¬ na aktywnoscia sympatomimetyczna, przy równo- is czesnym selektywnym dzialaniu blokujacym 0-adre- nergiczne receptory, charakteryzuja sie prastolol l-(4-acetamidofenoksy)- 3 -izopropyloamino-2-propa- nol, wymieniony w brytyjskim opisie patentowym nr 1078852.Obecnie stwierdzono, ze selektywna zdolnosc blo¬ kowania p-adrenergicznych receptorów, oznaczona hamowaniem czestoskurczu wywolanego u kota izo¬ prenalina, pozbawiona antagonistycznego dzialania wobec efektu rozszerzajacego naczynia wywolanego izoprenalina, lub niwelowania efektu izoprenaliny na histaminowy skurcz oskrzeli u morskich swi¬ nek, wykazuja pewne zwiazki wedlug wynalazku, a zwlaszcza l-p-karbamoilometylofenoksy-3-izopro- pyloamino-2-propanol i l-(4-P-karbamoiloetylo-2- -metoksyfenoksy)-3-izopropyloamino-2-propanol.Zwiazki wedlug wynalazku nie maja jednak dzialania sympatomimetycznego, co wykazano przez ich nieskutecznosc wzmozenia rytmu serca szczu¬ rów, uprzednio poddanych dzialaniu pochodnej rozerpiny, takiej jak syrosingopina, u których ka- techoloaminy ulegaja w tych warunkach wynisz¬ czeniu.; Pochodne alkanoloamin korzystnie stosuje sie u ludzi doustnie w dawkach dziennych 20—600 mg, 40 w pdstepaph 6—8 godzinnych lub dozylnie w daw¬ ce ,'1—201 mg. W preparatach doustnych korzystna postacia leku sa tabletki lub kapsulki zawierajace —100 mg, korzystnie 10—40 mg substancji czyn¬ nej. Zastrzyki dozylne podaje sie korzystnie w ste- 45 rylnych roztworach wodnych o stezeniu 0,05—lu/o, zwlaszcza 0,1% substancji czynnej.! Podane przyklady wyjasniaja wynalazek, nie ograniczajac jego zakresu.Przyklad I. Do roztworu 3 g 4-hydroksy- 50 fenyloacetamidu 1,6 g wodorotlenku sodu w 40 ml wody dodaje sie 3,8 g chlorowodorku l-chloro-3- izopropyloaminopropanolu-2 i otrzymany roztwór ogrzewa sie w temperaturze 90—95°C w ciagu 18 godzin. Mieszanine poreakcyjna alkalizuje sie do 55 wartosci pH 10 i poddaje trzykrotnej ekstrakcji chloroformem w porcjach po 50 ml., Polaczone ekstrakty chloroformowe suszy sie i; odparowuje do suchosci, po czym pozostalosc pod-* ójaje sie trzykrotnej ekstrakcji cykloheksanem w? 60 porcjach po 50 ml. Ekstrakty cykloheksanonowe odparowuje sie .do suchosci, pozostalosc rozpusz¬ cza w 10 ml octanu etylu, nastepnie roztwór octanu! etylu rozciencza sie 15 ml eteru naftowego o tem¬ peraturze wrzenia 60—80qC, dodajac eter naftowy1' 65 porcjami w. ciagu kilku godzin, Mieszanine utrzy-7 93 998 muje sie w temperaturze 0°C w ciagu 17 godzin, po czym przesacza sie i pólstala pozostalosc kry¬ stalizuje sie z octanu etylu otrzymujac 1-p-kar- bamylcmetylofenoksy- 3 -izopropyloaminopropanol-2 o temperaturze topnienia 146—148°C.P r z yk lad II. W sposób, jak opisano w przy¬ kladzie I, stosujac jako zwiazki wyjsciowe odpo¬ wiednie pochodnefenolowe i odpowiednie pochodne chlorowodorku 4-chloro-3-aminopropanolu-2, otrzy¬ muje sie zwiazki:rp ogólnych wzorach 5, 6 i 7, któ¬ rych symbole R10, Rs, R2, R1 i A oraz temperature topnienia otrzymanych zwiazków podano w tablicy I, II, III i IV. c.d. tablicy I 1 metylowy aminowy H H H H 2 n-propylo- ' wy H fluorowy fluorowy chlorowy chlorowy 3 izopropylo¬ wy izopropylo¬ wy izopropylo¬ wy III-rzed.- -butylowy izopropylo¬ wy III-rzed.- -butylowy 4 125—127 92— 93 97—100 92— 95 101—102 100—101 • '¦ R10 .;¦¦ 1 H H H H H ¦;,A- h H H H n-butylowy n-butylowy allilowy metylowy 1 metylowy allilowy izopropylo¬ wy izopropylo¬ wy metylowy , H Tabl ¦ R3 2 metoksy- lowy metoksy- lowy jodowy metylowy H bromowy allilowy II-rzed.- -butylowy n-propylo- wy H H H allilowy allilowy allilowy H nitrowy :H H ica I R1 3 izopropylo¬ wy Ill-rzed,.- -butylowy izopropylo¬ wy izopropylo¬ wy 1-metylo- -2-hydro- ksyetylo- wy izopropylo¬ wy izopropylo¬ wy izopropylo¬ wy izopropylo¬ wy izopropylo¬ wy i III-rzed.- 1 -butylowy izopropylo¬ wy izopropylo¬ wy III-rzed.- -butylowy izopropylo¬ wy izopropylo¬ wy III-rzed.- -butylowy izopropylo¬ wy III-rzed.- -butylowy Tempera¬ tura top¬ nienia °C 4 118—120 87— 89 126—128 126—127 134r—136 105—107 wodoro¬ szczawian i 101—102 wodoro¬ szczawian 124^130 116—117 115—117 szczawian 211—213 112—114 106—108 szczawian 187—189 94^- 96 132—134 117—119 87— 89 119—120 -butylowy Tablica II RW H H H H H H izopropy- | Iowy 1 H H H A —OH2CH2— ¦—CH2CH2CH2— —CH2CH2— —CH(CH3)— '—CH2CH2— —OH2OH2CH2— —CH^CHg-— —CH2CH2CH2— '—CH2CH2— *—CH2CH2— R* bromo¬ wy bromo¬ wy nitrowy H allilowy allilowy nitrowy H H meto- ksylo- wy Tempera¬ tura top¬ nienia °C 102—104 69— 71 130—132 101—104 93— 95 78— 80 108—110 85— 87 102—104 108—109 Tablica III R» CH3CO H2NCO R1 izopropylowy Ill-rzed.-butylo- wy Temperatura topnienia °C 71— 72 wodoroszczawian 148—149 Tablica IV ftPL Pozycja pod- stawnika H2NCOCH2— 2— 3— 4^- 4^- 4— Inne podstaw¬ niki w piers¬ cieniu ben¬ zenowym — —. 3-metylowy 2,3-dwume- tylowy 2,5-dwume- tylowy Temperatura topnienia °C wodoroszczawiai ] 146—148 82— 84 132—134 wodoroszczawian 213—215 111—113 40 45 50 55 metylowy aminowy H H H H n-propylo- wy H fluorowy fluorowy chlorowy chlorowy izopropylo¬ wy izopropylo¬ wy izopropylo¬ wy III-rzed.- -butylowy izopropylo¬ wy III-rzed.- -butylowy 125—127 92— 93 97—100 92— 95 101—102 100—1019 93 998 PLThe subject of the invention is a process for the preparation of alkanolamine derivatives of the general formula I, in which R1 is an alkyl or hydroxyalkyl radical, each with no more than 6 carbon atoms, R2 is an acyl radical with no more than 6 carbon atoms, a carbamyl radical, alkylcarbamyl or alkenylcarbamyl in which the alkyl or alkenyl moiety contains no more than 6 carbon atoms, or a carbazoyl radical, A is an alkylene radical with 1-5 carbon atoms, n is a numerical value of 1 or 2, and R8 - optionally different, if n = 2, represents a hydrogen or halogen atom, a nitro, hydroxy or cyan radical, an alkyl, alkenyl, acyl or alkoxycarbonyl radical, each with no more than 6 carbon atoms, a cycloalkyl radical with no more than S atoms carbon, thioalkyl, alkoxy or alkenyloxy radical, each with no more than 5 carbon atoms, aryl, aryloxy, aralkyl or aralkoxy radical, each with no more than 10 carbon atoms, or rhodium an alkyl group of no more than 5 carbon atoms substituted with one or more hydroxyl radicals, alkoxy radicals of no more than 4 carbon atoms or halogen atoms, and acid addition salts of these compounds, of course. Certain alkanolamine derivatives also apply to all possible stereoisomers and mixtures of these compounds. A suitable radical R1 is an alkyl or hydroxyalkyl radical, each with no more than 6 carbon atoms, in particular 3-5 carbon atoms, preferably branched on carbon in the α-position, for example isopropyl radical, 2nd order. butyl, 3rd order butyl, 2-hydroxy-1,1-dimethylethyl or 2-hydroxy-1-methylethyl. A suitable acyl radical having the symbol R2 is an alkanoyl radical with no more than 6 carbon atoms, such as acetyl or propionyl. .; r A suitable alkylcarbamyl or alkenylcarbamyl radical denoted by the symbol R2 is one in which the alkyl or alkenyl moiety contains no more than 6 carbon atoms, for example, a methylcarbamyl, isopropylcarbamyl, n-butylcarbamyl or allylcarbamyl radical. A is an alkylene radical having 1-5 carbon atoms, such as methylene, ethylene, ethylide, and trimethylene. A suitable halogen R8 is fluorine, chlorine, bromine or iodine. 93 99 893 998 3 4 A suitable alkyl radical R8 is an alkyl radical of no more than 6 carbon atoms, e.g. a methyl, n-propyl or II-tert-butyl radical. A suitable cycloalkyl radical of the symbol H3 is a cycloalkyl radical of No more than 8 carbon atoms, e.g. a cyclopropyl, cyclobutyl or cyclopentyl radical, and an alkenyl radical with the symbol R8 is suitable an alkenyl radical with no more than 6 carbon atoms, e.g. an allyl radical. A suitable thioalkyl, alkoxy or alkenoxy radical is suitable. R8 is a thioalkyl, alkoxy or alkenyloxy radical, each with no more than 5 carbon atoms, e.g. a thiomethyl, methoxy, isopropoxy or allyloxy radical. A suitable aryl or aryloxy radical with the symbol R8 is an aryl or aryloxy radical , each with no more than 10 carbon atoms, e.g. phenyl or phenoxy. A suitable aralkyl or aralkoxy radical with the symbol R8 is aralkyl or b aralkoxy of no more than 10 carbon atoms, e.g. a benzyl, α-phenylethyl or benzyloxy radical. A suitable hydroxyalkyl, alkoxyalkyl or haloalkyl radical with the symbol R 3 is, for example, an alkyl radical with no more than 5 carbon atoms, one or more hydroxyl groups or alkoxy radicals with no more than 4 carbon atoms or halogen atoms, for example, hydroxymethyl, methoxymethyl or trifluoromethyl radicals. A suitable acyl or alkoxycarbonyl radical with the symbol H * is an acyl or alkoxycarbonyl radical each with no more than 6 carbon atoms, eg acetyl, propionyl, methoxycarbonyl or ethoxycarbonyl radicals. The free base form of alkanolamine derivatives according to the invention can be converted into acid addition salts in a known manner. Suitable acid addition salts of alkanolamine derivatives are those with inorganic acids, e.g., hydrochlorides, bromhydrides, phosphates, sulfates or salts with organic acids, e.g. oxalates, lactates, tartrates, acetates, salicylates, citrates, benzoates, P-naphthoates, adipates or 1,1-methylene-di- (2-hydroxy-3-naphthoates) and salts of acidic synthetic resins, for example sulphonated polystyrene resins such as Zeocarb 225. of the alkanolamine derivatives obtained by the process of the invention are compounds of the general formula II in which R 1, R 2, A and R * have the meaning given above and acid addition salts of these compounds. The 2 groups of these compounds are particularly distinguished by the compounds of formula II in which R 1 is an isopropyl or T1-tert-butyl radical, R 2 is a carbamyl or alkylcarbamyl radical in which the alkyl radical contains no more than 3 carbon atoms , A represents a methylene radical, Rs represents a hydrogen atom, a halogen atom, an alkyl, alkenyl or alkoxy radical, each with no more than 4 carbon atoms, or the compounds of the general formula (II) in which R1 is as defined above, R2 is the radical acetyl or carbamyl, A represents an ethylene radical, R8 represents an alkoxy radical with no more than 4 carbon atoms, and acid addition salts of these compounds. Specific alkanolamine derivatives prepared according to the invention are described in the following examples, particularly active ¬nymi sa: lp-carbamylmethylphenoxy-3-isopropylamino-2-propanol, lp- (N-isopropylcarbamylmethyl) -phenoxy-3-isopropylamino-2-propanol, 1- <2-bromo-4-carbamylmethylphenoxy) - 3 - isopropyl - Amino-2-propanol, 1β-carbamylmethylphenoxy-3-III-order-butylamino-2-propanol, 1-m-carbamylmethylphenoxy-3-isopropylamino-2-propanol, 1- (2-allyl-4 -carbamylmethylphenoxy) -3-isopropylamino-2-propanol, 1- (4-carbamylmethyl-2-methoxyphenoxy) -3-isopropylamino-2-propanol, lp- (N-methylcarbamylmethyl) - phenoxy- 3 - isopropylamino-2-propanol, 1- (4-carbamylmethyl-2-iodophenoxy) -3-isopropylamino-2-propanol, 1- (4-carbamylmethyl-z-methylphenoxy) -3-isopropylamino-2-propanol, 1- (4-carbamylmethyl-2-n-propylphenoxy) - 3-isopropylamino-2-propanol, 1- (4-carbamylmethyl-2-tert-butylphenoxy) - 3-isopropylamino-2-propanol panol, 1- (4-carbamylmethyl-2-methoxyphenoxy) -3- -III-tert-butylamino-2-propanol, 1- (4-N-methyl-carbamylmethyl- (2-n-propylphenoxy) -3-isopropyl - lamino-2-propanol, 1- (2-allyl-4-N-methylcarbamylmethylphenoxy) -3-isopropylamino-2-propanol, 1- - (2-allyl-4 - N-methoxycarbamylmethylphenoxy) -3- -III -butylamino-2-propanol, l - (4-carbamylmethyl-2,5-dimethylphenoxy) -3-isopropylamino-2-propanol, 1- (4-p-carbamylethyl-2-methoxyphenoxy) -3-isopropylamino-2-propanol, 1- (4- | 3-carbamylethyl-2-methoxyphenoxy) - 3-tertiary-butylamino--2-propanol, 1- [2-methoxy-4- (3-ketobutyl) -phenoxy] - -3- isopropylamino-2-propanol, 1- [4-p-cyanomethyl-2-methoxyphenoxy) -3-isopropylamino-2-propanol, 1- (2-methoxy-4-p-methoxycarbonylvinylphenoxy) - -3-isopropylamino-2 -propanol, 1- (4- (5-cyanovinyl-2-methoxyphenoxy) -3-isopropylamino-2-propanol and acid addition salts of these compounds. The method according to the invention for the preparation of alkanolamine derivatives of the above-mentioned formula 1, in in which all the symbols have the meaning given above, it consists in the fact that a compound of the general formula III, in which R2, R8, A and n are as defined above, or a salt of this compound with an alkali metal, is reacted with a compound of the general formula YCl.CHOHCHgNHR1 or of the general formula IV, in which the formulas R1 has the meaning given above no, and Y is halogen, preferably chlorine or bromine, and then the free base alkanolamine derivative is optionally reacted with an acid to form its acid addition salt. The reactions are preferably carried out in a solvent or diluent environment, e.g. methanol or ethanol, in the presence of an acid-binding agent that forms during the reaction, for example sodium hydroxide, and the reactions can be accelerated and terminated by heating. The phenol used as the starting material may be used in the form of its sodium or potassium salt. A preferred group of alkanolamine derivatives prepared according to the invention are compounds of general formula 5 or 6, in which In the formulas, R1 represents an isopropyl or tertiary-butyl radical, R3 represents a hydrogen atom or a halogen or an alkyl, alkenyl or alkoxy radical with no more than 4 carbon atoms, R10 represents a hydrogen atom or an alkyl radical with no more than 3 carbon atoms, and A is a methylene group. The above compounds are prepared so that the compound of general formula 8; in which R * and R1§ have the above meaning, or an alkali metal salt of this compound, is reacted with a compound of the general formula YCHjjCHOHCHaNHR1 or of the general formula IV, in which formulas R1 is isopropyl or III-order. -butyl and Y is chlorine or bromine. A particularly preferred compound is 1-p-carbamylmethylphenoxy-3-isopropylamino-2-propanol and the acid addition salts of this compound, these compounds being prepared by - carbamylmethylphenol or an alkali metal salt thereof is reacted with a compound of formula YCH2CHOHCCH2NHCH (CH3) 2, wherein Y is chlorine or bromine, or with a compound of formula 9, and the resulting free base compound is then optionally subjected to By reacting with an acid to form its acid addition salt. Alkanolamine derivatives and their acid addition salts have shown great activity in the treatment and prevention of heart disease. Some of these compounds have the ability to selectively block adrenergic β-receptors, the degree of selective blocking being greater for the β-receptors of the heart than for peripheral blood vessels and bronchial muscle. Thus, a dose of the compound can be selected that will block the effects of catecholamines, e.g. isoprenaline, on the inotropic and cryotropic heart function, but will not block the relaxing effect of isoprenaline on the smooth, mucous membrane of the trachea or peripheral vasculature induced by vasculature. . Due to the above selective properties, the compounds of the invention can be used in conjunction with known sympathomimetics that dilate the tracheal smooth muscles, such as isoprenaline, orci-prenalin, adrenaline or ephedrine in the treatment of asthma or other respiratory disorders. While selective compounds inhibit the undesirable inducing effect of bronchodilators on the heart, they do not counteract the desired therapeutic effects of the bronchodilators. Numerous compounds are known to have the ability to block adrenergic 3-receptors; many of which represent 1-aryloxy-3-amino-2-propanol derivatives, in particular those containing the - 1-aryloxy radical with an acylamino substituent. It is desirable, but not; It is essential that a compound showing the ability to block O-adrenergic receptors in clinical use does not have any sympathomimetic activity. One of the compounds best known in clinical trials is propanol- (1-isopropylamino-3 -) - naphthyloxy- 1 (2-pilopanol, mentioned in British Patent No. 994,918; this compound does not exhibit any sympathomimetic activity. However, apart from the above-mentioned compound, and there are no known compounds yet known to block adrenergic receptors, which would not show internal sympathomimetic activity. Prastolol 1- (4-acetamidophenoxy) -3-isopropylamino-2-propanol, mentioned in British Patent No. 1078852, is characterized by significant sympathomimetic activity, with simultaneous selective blocking action of O-adrenergic receptors. It has now been found that the selective ability to block the beta-adrenergic receptor This isoprenaline, marked by the inhibition of cat's tachycardia induced in cats, devoid of antagonistic activity against the vasodilating effect of isoprenaline, or elimination of the effect of isoprenaline on histamine bronchoconstriction in marine chicks, shows some compounds according to the invention, in particular lphenoxy-3-caramoyl isopropylamino-2-propanol and 1- (4-P-carbamoylethyl-2-methoxyphenoxy) -3-isopropylamino-2-propanol. The compounds according to the invention, however, do not have a sympathomimetic effect, as demonstrated by their ineffectiveness in increasing the heart rate of rats previously treated with a roserpine derivative, such as syrosingopine, in which catecholamines are devastated under these conditions; The alkanolamine derivatives are preferably used in humans orally in daily doses of 20-600 mg, in daily doses of 6-8 hours or intravenously in a dose of 1-201 mg. In oral preparations, tablets or capsules are preferred in the form of tablets or capsules containing -100 mg, preferably 10-40 mg of active ingredient. The intravenous injections are preferably administered in sterile aqueous solutions at a concentration of 0.05 to 1%, in particular 0.1%, of the active ingredient. The following examples illustrate the invention without limiting its scope. Example I. To a solution of 3 g of 4-hydroxy-phenylacetamide 1.6 g of sodium hydroxide in 40 ml of water, 3.8 g of 1-chloro-3-isopropylaminopropanol-2-hydrochloride are added and the resulting solution is heated at 90-95 ° C for 18 hours. The reaction mixture is made alkaline to a pH value of 10 and extracted three times with 50 ml of chloroform. The combined chloroform extracts are dried and; evaporates to dryness, then the residue becomes * three times extracted with cyclohexane in 60 portions of 50 ml. The cyclohexanone extracts are evaporated to dryness, the residue dissolved in 10 ml of ethyl acetate and then the acetate solution. ethyl ether is diluted with 15 ml of petroleum ether, boiling point 60-80 ° C, by adding petroleum ether in portions over several hours. The mixture is kept at 0 ° C for 17 hours, then filtered. and the semi-solid residue is crystallized from ethyl acetate to give 1-p-carbamylmethylphenoxy-3-isopropylaminopropanol-2, mp 146-148 ° C. Example II. In the manner described in Example I, starting from the appropriate phenol derivatives and the corresponding 4-chloro-3-aminopropanol-2-hydrochloride derivatives, the compounds are obtained: in general formulas 5, 6 and 7, which are The symbols R10, Rs, R2, R1 and A as well as the melting point of the compounds obtained are given in Tables I, II, III and IV. continued Table I 1 methyl amine HHHH 2 n-propyl H fluorine fluorine chlorine chlorine 3 isopropyl isopropyl isopropyl tertiary-butyl isopropyl tertiary-butyl 4 125-127 92 - 93 97-100 92- 95 101-102 100-101 • 'R10.; ¦¦ 1 HHHHH ¦;, A- h HHH n-butyl n-butyl allyl methyl 1 methyl allyl isopropyl isopropyl methyl, H Table ¦ R3 2 methoxy methoxy iodine methyl H bromo allyl II-order -butyl n-propyl HHH allyl allyl allyl H nitro: HH ica I R1 3 isopropyl III-order, .- - butyl isopropyl isopropyl 1-methyl -2-hydroxyethyl isopropyl isopropyl isopropyl isopropyl isopropyl and tertiary-1-butyl isopropyl isopropyl III -butyl isopropyl isopropyl tert-butyl isopropyl tert-butyl Melting point ° C 4 118-120 87-89 126-128 126-127 134 R-136, 105-107 hydrooxalate and 101-102 Hydroxalate 124-1330 116-117 115-117 oxalate 211-213 112-114 106-108 oxalate 187-189 94-96 132-134 117-119 87- 89 119-120-butyl Table II RW HHHHHH isoprops | Iowa 1 HHHA —OH2CH2— ¦ — CH2CH2CH2— —CH2CH2— —CH (CH3) - '—CH2CH2— —OH2OH2CH2— —CH ^ CHg-— —CH2CH2CH2—' —CH2CH2— * —CH2CH2— R * bromo-bromo Nitrous H allyl allyl nitro HH methoxyl Melting point ° C 102-104 69-71 130-132 101-104 93-95 78-80 108-110 85-87 102-104 108-109 Table III R »CH3CO H2NCO R1 isopropyl tert-butyl Melting point ° C 71— 72 hydrogen oxalate 148—149 Table IV ftPL Substituent position H2NCOCH2— 2— 3— 4 ^ - 4 ^ - 4— Other basics Petrol rings in a gasoline ring - -. 3-methyl 2,3-dimethyl 2,5-dimethyl Melting point ° C hydrogen oxalate] 146-148 82- 84 132-134 hydrogen oxalate 213-215 111-113 40 45 50 55 methyl amino HHHH n-propyl H-fluoro fluorinated chloro isopropyl isopropyl isopropyl isopropyl tertiary-butyl isopropyl tert-butyl 125-127 92- 93 97-100 92-95 101-102 100-1019 93 998 PL

Claims (3)

Zastrzezenia patentowe 1. , 1. Sposób wytwarzania pochodnych alkanoloami- ny o ogólnym wzorze 1, w którym R1 oznacza rod¬ nik alkilowy lub hydroksyalkilowy, kazdy o nie wiecej niz 6 atomach wegla, R2 oznacza rodnik acylowy o nie wiecej niz 6 atomach wegla, rod¬ nik karbamylowy, alkilokarbamylowy lub alkeny- lokarbamylowy, w którym czesc alkilowa lub al- kenylowa zawiera nie wiecej niz 6 atomów wegla, lub rodnik karbazoilowy, A oznacza rodnik alki- lenowy o 1—5 atomach wegla, n oznacza wartosc liczbowa 1 lub 2, a R8 sa ewentualnie rózne, jesli n = 2, i oznacza atom wodoru lub chlorowca, rodnik nitrowy, hydroksylowy lub cyjanowy, rod¬ nik alkilowy, alkenylowy, acylowy lub alkoksy- karbonylowy, kazdy o nie wiecej niz 6 atomach wegla, rodnik cykloalkilowy o nie wiecej niz 8 ato¬ mach wegla, rodnik tioalkilowy, alkoksylowy lub alkenyloksylowy, kazdy o nie wiecej niz 5 ato¬ mach wegla, rodnik arylowy, aryloksylowy, aral- kilowy lub aralkoksylowy, kazdy o nie wiecej niz 10 atomach wegla, lub rodnik alkilowy o nie wie¬ cej niz 5 atomach wegla, podstawiony jednym lub kilkoma rodnikami hydroksylowymi, alkoksylowy- mi o nie wiecej niz 4 atomach wegla lub atomami chlorowca, oraz soli addycyjnych tych zwiazków z kwasem, znamienny tym, ze zwiazek o ogólnym wzorze 3, w którym R2, R8, A i n maja wyzej po¬ dane znaczenie, lub sól tego zwiazku z metalem alkalicznym, poddaje sie reakcji ze zwiazkiem o ogólnym wzorze YCH2CHOHCH2NHR1 lub o ogól¬ nym wzorze 4, w których to wzorach R1 ma wy¬ zej podane znaczenie, a Y oznacza atom chlorow¬ ca, korzystnie atom chloru lub bromu, a nastep¬ nie pochodna alkanoloaminy w postaci wolnej za¬ sady ewentualnie poddaje sie reakcji z kwasem 5 w celu uzyskania jej soli addycyjnej z kwasem.Claims 1., 1. A process for the preparation of alkanolamine derivatives of the general formula I, wherein R1 is an alkyl or hydroxyalkyl radical, each with no more than 6 carbon atoms, R2 is an acyl radical with no more than 6 carbon atoms, a carbamyl, alkylcarbamyl or alkenylcarbamyl radical in which the alkyl or alkenyl moiety contains no more than 6 carbon atoms, or a carbazoyl radical, A is an alkylene radical of 1-5 carbon atoms, and n is the numerical value of 1 or 2, and R8 are optionally different, if n = 2, and is a hydrogen or halogen atom, a nitro, hydroxyl or cyano radical, an alkyl, alkenyl, acyl or alkoxycarbonyl radical, each with no more than 6 carbon atoms, a cycloalkyl radical of no more than 8 carbon atoms, a thioalkyl, alkoxy or alkenyloxy radical, each with no more than 5 carbon atoms, an aryl, aryloxy, aralkyl or aralkoxy radical, each with no more than 10 carbon atoms, oran alkyl radical of no more than 5 carbon atoms, substituted with one or more hydroxyl radicals, alkoxy radicals of no more than 4 carbon atoms or halogen atoms, and acid addition salts of these compounds, characterized by the compound of general formula III wherein R2, R8, A and n are as defined above, or a salt of this compound with an alkali metal, is reacted with a compound of the general formula YCH2CHOHCH2NHR1 or of the general formula IV, in which the formulas R1 is as above and Y is a halogen atom, preferably chlorine or bromine, and the free base form of the alkanolamine derivative is optionally reacted with an acid to form its acid addition salt. 2. Sposób wedlug zastrz. 1, znamienny tym, ze zwiazek o ogólnym wzorze 8, w którym R* oznacza atom wodoru lub chlorowca, lub rodnik alkilowy, alkenylowy albo alkoksylowy, kazdy o nie wiecej 10 niz 4 atomach wegla, a R10 oznacza atom wodoru lub rodnik alkilowy o nie wiecej niz 3 atomach wegla, lub sól tego zwiazku z metalem alkalicz¬ nym, poddaje sie reakcji ze zwiazkiem o ogólnym wzorze YCHjjCHOHCHzNHR1 lub o ogólnym wzo- 15 rze 4, w których to wzorach R1 oznacza rodnik izopropylowy lub Ill-rzed.-butylowy, a Y oznacza atom chloru lub bromu i wytworzony zwiazek o ogólnym wzorze 5 lub 6, w których to wzorach R1, R3 i R10 maja wyzej podane znaczenie a A oz- 20 nacza grupe metylenowa ewentualnie przeprowadza sie z wolnej zasady w sól addycyjna z kwasem.2. The method according to claim The process of claim 1, characterized in that the compound of general formula 8, in which R * is a hydrogen or halogen atom, or an alkyl, alkenyl or alkoxy radical, each with no more than 10 carbon atoms, and R10 is a hydrogen atom or an alkyl radical of no more than More than 3 carbon atoms, or an alkali metal salt of this compound, is reacted with a compound of the general formula YCHjjCHOHCHzNHR1 or of the general formula 4, in which formulas R1 is an isopropyl or tertiary butyl radical. and Y is chlorine or bromine and the resulting compound of general formula 5 or 6, wherein R1, R3 and R10 are as defined above and A is a methylene group, optionally converted from the free base into an acid addition salt. 3. Sposób wedlug zastrz. 2, znamienny tym, ze w przypadku wytwarzania 1-p-karbamylorne¬ tylofenoksy-3-izopropyloamino-2-propanolu i jego soli addycyjnych z kwasami, p-karbamylometylo- fenol lub jego sól z metalem alkalicznym poddaje sie reakcji ze zwiazkiem o wzorze YCH2CHOHCH2NHCH(CH3)2, w którym Y oznacza atom chloru lub bromu, lub ze zwiazkiem o wzorze 9 i wytworzony zwiazek ewentualnie przetwarza sie z wolnej zasady w sól addycyjna z kwasem. 30 *A OCHgCHOHCHgNHR WZÓR 4 R2A ^< OCKLCH 0HCHoNHR .—, 2 2 ^R3 WZÓR 2 A R A WZÓR 3 CHg-—CHCHgNHR WZÓR A93 998 R10NHCOCH2-^V-OCH2CHOHCH2NHR^ WZÓR 5 R*NHCO-A -^\^XHgCHOHCHgNHCH(CHj? WZÓR 6 R2CHgCH2 \\OCHpCHOM CHplW OCH3 WZÓR 7 R1°NHCOCM f y_0H 2 WZÓR 8 CH2 CHP_CKNHCH(CH )0 WZÓR 9 OZGraf. Zam. 1679 (110+25 egz.) Cena 10 zl PL3. The method according to p. 2. The process of claim 2, characterized in that for the preparation of 1-p-carbamylornethylphenoxy-3-isopropylamino-2-propanol and its acid addition salts, p-carbamylmethylphenol or its alkali metal salt is reacted with a compound of formula YCH2CHOHCH2NHCH (CH3) 2, wherein Y is chlorine or bromine, or with a compound of formula 9 and the compound formed is optionally converted from the free base to an acid addition salt. 30 * A OCHgCHOHCHgNHR FORMULA 4 R2A ^ <OCKLCH OHCHoNHR .—, 2 2 ^ R3 FORMULA 2 ARA FORMULA 3 CHg -— CHCHgNHR FORMULA A93 998 R10NHCOCH2- ^ V-OCH2CH2CHOHCH2NOH ^ \ ^ NCH-5R * CHj? PATTERN 6 R2CHgCH2 \\ CHP CHP OCH3 PATTERN 7 R1 ° NHCOCM f y_0H 2 PATTERN 8 CH2 CHP_CKNHCH (CH) 0 PATTERN 9 DESIGN ORDER 1679 (110 + 25 copies) Price PLN 10 PL
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FR2132570B1 (en) * 1971-04-09 1974-08-02 Lipha
GB1387630A (en) * 1971-05-07 1975-03-19 Ici Ltd Phenoxyalkanolamine derivatives
GB1433595A (en) * 1972-07-06 1976-04-28 Ici Ltd Alkanolamine derivatives
DE2623314C2 (en) * 1976-05-25 1984-08-02 Hoechst Ag, 6230 Frankfurt 1-aryloxy-2-hydroxy-3-aminopropanes, processes for their preparation and pharmaceuticals containing them
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DE2943405A1 (en) 1979-10-26 1981-05-07 Basf Ag, 6700 Ludwigshafen NEW AMINO DERIVATIVES OF 5- (2-HYDROXYSTYRYL) -ISOXAZOLE
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