SE446739B - SET TO MAKE SALTS OF (-) CIS-1,2-EPOXYPROPYLPHOSPHONIC ACID - Google Patents

SET TO MAKE SALTS OF (-) CIS-1,2-EPOXYPROPYLPHOSPHONIC ACID

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Publication number
SE446739B
SE446739B SE7905874A SE7905874A SE446739B SE 446739 B SE446739 B SE 446739B SE 7905874 A SE7905874 A SE 7905874A SE 7905874 A SE7905874 A SE 7905874A SE 446739 B SE446739 B SE 446739B
Authority
SE
Sweden
Prior art keywords
cis
acid
epoxypropylphosphonic
solution
salt
Prior art date
Application number
SE7905874A
Other languages
Swedish (sv)
Other versions
SE7905874L (en
Inventor
M Portelli
G Cervato
Original Assignee
Clesa Spa
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Clesa Spa filed Critical Clesa Spa
Publication of SE7905874L publication Critical patent/SE7905874L/en
Publication of SE446739B publication Critical patent/SE446739B/en

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Classifications

    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07FACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F9/00Compounds containing elements of Groups 5 or 15 of the Periodic System
    • C07F9/02Phosphorus compounds
    • C07F9/547Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
    • C07F9/655Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having oxygen atoms, with or without sulfur, selenium, or tellurium atoms, as the only ring hetero atoms
    • C07F9/65502Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having oxygen atoms, with or without sulfur, selenium, or tellurium atoms, as the only ring hetero atoms the oxygen atom being part of a three-membered ring
    • C07F9/65505Phosphonic acids containing oxirane groups; esters thereof

Description

15' 20 25 30 '35 e44e 139 2 t en nästan fullständig återvinning av det använda Thiomi- caminet (mer än 93%). 15 '20 25 30' 35 e44e 139 2 t an almost complete recovery of the Thiomicamine used (more than 93%).

Enligt sättet för föreliggande uppfinning vars kän- .netecken framgår av patentkravet oxideras cis-l-prope- nylfosfonsyran (II) till den racemiska epoxisyran (I) med användning av vätepefoxid och i närvaro av natrium- I volframatdihydrat. Efter att fullständigt ha sönderdelat den väteperoxid som fortfarande förefinnes i reaktions- .blandningen tillsätts lhiomicamine. Den erhållna suspen- sionen alkaliniseras med natriumhydroxid för att ge lös- ningen av natriumsaltet av (-)cis-l,2-epoxipropylfosfon- syra, som omvandlas till saltet av den önskade basen ge- nom.lämplig behandling. Oxidationen av cis-l-propenylfos~ fonsyran till den motsvarande racemiska epoxisyran genom- föres medelst känd teknik med användning av väteperoxid som oxidationsmedel och i närvaro av natriumvolframatdi- hydrat¿ Efter avslutning av oxidationsreaktionen är det nödvändigt att sönderdela den väteperoxid som fortfa- rande förefinnes i reaktionslösningen innan Thiomicamine tillsätts, för att förhindra oxidation därav. Sedan oxi- dationen avslutats behandlas reaktionslösningen med hydrazinhydrat och en katalytisk mängd av reducerad kop- par vid en temperatur mellan 45°C och 50°C, varvid väte- peroxid snabbt sönderdelas. Tillsättningen av Thiomica- mine till reaktionslösningen, som innehåller den race- miska epoxisyran (I), genomföres gradvis genom att hålla pH-värdet vid 5-6 genom surgöring.According to the process of the present invention, the characteristics of which are claimed in the claim, the cis-1-propenylphosphonic acid (II) is oxidized to the racemic epoxy acid (I) using hydrogen epoxide and in the presence of sodium I tungstate dihydrate. After completely decomposing the hydrogen peroxide still present in the reaction mixture, lhiomicamine is added. The resulting suspension is alkalinized with sodium hydroxide to give the solution of the sodium salt of (-) cis-1,2-epoxypropylphosphonic acid, which is converted to the salt of the desired base by appropriate treatment. The oxidation of the cis-1-propenylphosphonic acid to the corresponding racemic epoxy acid is carried out by known techniques using hydrogen peroxide as the oxidizing agent and in the presence of sodium tungstate dihydrate. in the reaction solution before adding Thiomicamine, to prevent oxidation thereof. After the oxidation is completed, the reaction solution is treated with hydrazine hydrate and a catalytic amount of reduced copper at a temperature between 45 ° C and 50 ° C, whereby hydrogen peroxide decomposes rapidly. The addition of Thiomicamine to the reaction solution, which contains the racemic epoxy acid (I), is carried out gradually by maintaining the pH at 5-6 by acidification.

Följande utföringsexempel ges för att belysa sättet enligt uppfinningen. Exemplen är avsedda att belysa upp- finningen och inte att begränsa densamma.The following working examples are given to illustrate the method according to the invention. The examples are intended to illustrate the invention and not to limit it.

EXEMPEL l Framställning av kalciumsaltet av (-)cis-l,2-epoxipropyl- fosfonsyramonohvdrat. ' .l e _ 600 g (4,91 moler) cis-l-propenylfosfonsyra löstes i 3500 ml vatten och den sålunda erhållna lösningen justerades till pH 5,9 med 30_% natriumhydroxid. En lös- ning, som innehöll 11,2 g natriumvolframatdihydrat, 4,8 g dinatriumedetat och 53 ml vatten, sattes till den Mfl* 10 15 20 25 .3O 35 446 739 3 ovan beredda lösningen under omröring,varvidnwu1arbetade vid rumstemperatur.EXAMPLE 1 Preparation of the calcium salt of (-) cis-1,2-epoxypropylphosphonic acid monohydrate. 600 g (4.91 moles) of cis-1-propenylphosphonic acid were dissolved in 3500 ml of water and the solution thus obtained was adjusted to pH 5.9 with 30% sodium hydroxide. A solution containing 11.2 g of sodium tungstate dihydrate, 4.8 g of disodium edetate and 53 ml of water was added to the above-prepared solution with stirring, stirring at room temperature.

Den erhållna lösningen upphettades till 45-50°C och 620 g (7,3 moler) 40 % väteperoxid tillsattes lång- samt under omröring. Sedan tillsättningen avslutats fick lösningen stå under dessa betingelser i 1,5 h. _3,2 g (0,064 mol) hydrazinhydrat och 0,32 g redu- cerat koppar hälldes därefter i lösningen..The resulting solution was heated to 45-50 ° C and 620 g (7.3 moles) of 40% hydrogen peroxide was added slowly with stirring. After the addition was complete, the solution was allowed to stand under these conditions for 1.5 hours. 3.2 g (0.064 mol) of hydrazine hydrate and 0.32 g of reduced copper were then poured into the solution.

Lösningen, som var fri från oxidationsmedlet, kyl- des till 20°C, avfärgades, avfiltrerades och behandlades med 1045 g (4,9l moler) L(+)-treo-l-(p-metylmerkapto- fenyl)-2-amino-1,3-propandiol (Thiomicamine) och kon- centrerad väteklorid vid rumstemperatur och under om- röring. Thiomicamine tillsattes gradvis och omväxlande med tillsatts av väteklorid för att hålla blandningens pH-värde mellan 5 och 6. Vid slutet av tillsatsen var pH-värdet5,8.The oxidant-free solution was cooled to 20 ° C, decolorized, filtered and treated with 1045 g (4.91 moles) of L (+) - threo-1- (p-methylmercaptophenyl) -2-amino -1,3-propanediol (Thiomicamine) and concentrated hydrogen chloride at room temperature and while stirring. Thiomicamine was added gradually and alternately with the addition of hydrogen chloride to keep the pH of the mixture between 5 and 6. At the end of the addition, the pH was 5.8.

Det hela omrördes under l h vid rumstemperatur, kyldes till 0°C och efter 2 h avfiltrerades den bildade fällningen och tvättades med vatten. Från modervätskorna återvanns 265 g Thiomicamine genom alkalinisering.The whole was stirred for 1 hour at room temperature, cooled to 0 ° C and after 2 hours the precipitate formed was filtered off and washed with water. 265 g of Thiomicamine were recovered from the mother liquors by alkalinization.

»Fällningen, som erhållits såsom beskrivits ovan och som bestod av Thiomicamine-saltet av f-)cis-l,2-epoxipropyl- fosfonsyra, kristalliserades från isopropylalkohol och suspenderades i 2700 ml vatten. Blandningen omrördes vid rumstemperatur och alkaliniserades med lO % natrium- hydroxid. Efter l h under omröring avfiltrerades det Thiomicamine som fortfarande förelåg. Det torkade Thiomi- caminet vägde 570 g.The precipitate obtained as described above, consisting of the thiomicamine salt of f-) cis-1,2-epoxypropylphosphonic acid, was crystallized from isopropyl alcohol and suspended in 2700 ml of water. The mixture was stirred at room temperature and alkalized with 10% sodium hydroxide. After 1 hour with stirring, the thiomicamine still present was filtered off. The dried Thiomicamine weighed 570 g.

Från-vattenlösningen, som innehöll natriumsaltet av (-)cis-l,2-epoxipropylfosfonsyra, utfälldes genom behandling med 760 g (3,47 moler) av enlösning av kalcium- kloridhexahydrat i 760 ml vatten kalciumsaltet av (-)cis-1,2-epoxipropylfosfonsyramonohydrat, som sedan avfiltrerades, tvättades med vatten och torkades. 250 g produkt erhölls. [afi°=-æ°(m3%15m': lalšgs = -1s° (0,3 2 ago) 10 15 g44e7s9 4.The aqueous solution, which contained the sodium salt of (-) cis-1,2-epoxypropylphosphonic acid, was precipitated by treatment with 760 g (3.47 moles) of a solution of calcium chloride hexahydrate in 760 ml of water, the calcium salt of (-) cis-1, 2-Epoxypropylphosphonic acid monohydrate, which was then filtered off, washed with water and dried. 250 g of product were obtained. [a fi ° = - æ ° (m3% 15m ': lalšgs = -1s ° (0,3 2 ago) 10 15 g44e7s9 4.

Genom att avdestillera isopropylalšoholen i iso- propanolmodervätskorna, som erhölls genom att kristal- lisera Thiomicamine-saltet av (-)cis-l,2-epoxipropyl- fosfonsyra, återvanns 141 g Thiomicamine genom alkali- nisering. ;xEMPEL 2 Framställning av dinatriumsalt av (-)cis-l,2-epoxipropyl- Éosfonsxra _ I n Man förfor i enligt med exempel l till dess att vattenlösningen, som innehöll natriumsaltet av (-)cis- _-1,2-epoxipropylfosfonšyra erhöllsq Löšningens_pH-värde justerades till 8,8 genom tillsats av ättiksyra, varpå förångning under vakuum företogs för erhållande av en sirap, från vilken man erhöll dinatriumsaltet av (-)cis- -1,2-epokipropylfosfonsyra genom behandling med etylalko- hol. Produkten vägde 285 g_ I ' ' 20 _ _ o - -_ 20 _ _..o -V [a]D - 5 - (5 % H20) , [a]365 - 17 (5 % H20).By distilling off the isopropyl alcohol in the isopropanol mother liquors obtained by crystallizing the thiomicamine salt of (-) cis-1,2-epoxypropylphosphonic acid, 141 g of thiomicamine were recovered by alkalization. EXAMPLE 2 Preparation of disodium salt of (-) cis-1,2-epoxypropyl-Ephosphonic acid The procedure was carried out according to Example 1 until the aqueous solution containing the sodium salt of (-) cis-1,2-epoxypropylphosphonic acid The pH value of the solution was adjusted to 8.8 by the addition of acetic acid, then evaporation in vacuo to give a syrup from which the disodium salt of (-) cis--1,2-epocipropylphosphonic acid was obtained by treatment with ethyl alcohol. The product weighed 285 g.

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Claims (1)

1. 0 446 739 PATENTKRAV Sätt att framställa (-)cis-1,2-epoxipropylfosfQn- syrasalter med ogiftiga baser, vid vilket sätt cis-l-pro- penylfosfonsyra oxideras till motsvarande racemiska epoxisyra, optiskt uppdelníngsmedel tillsättes för bild- ning av en suspension av (-)cis-l,2-epoxipropylfosfon- syrasaltet med uppdclningsmedlet, vilken suspension alkaliniseras med natriumhydroxid till bildning av en lösning av natriumsaltet av (-)cis-l,2-ep0xipr0pylf0s- fonsyra, varpå lösningen behàndlas för erhållande av (-)cis-l,2-epoxipropylfosfonsyrasaltet med den önskade, ogiftiga basen, k ä nrn e t e c k n a t därav, att det optiska uppdelningsmedlet är L(+)-treo-l-(p-mety1- 1 merkaptofenyl)-2-amino-1,3-propandiol,Claims for the preparation of (-) cis-1,2-epoxypropylphosphonic acid salts with non-toxic bases, in which manner cis-1-propenylphosphonic acid is oxidized to the corresponding racemic epoxy acid, optical partitioning agent is added to form a suspension of the (-) cis-1,2-epoxypropylphosphonic acid salt with the diluent, which suspension is alkalinized with sodium hydroxide to form a solution of the sodium salt of (-) cis-1,2-epoxypropylphosphonic acid, whereupon the solution is treated to obtain ( -) The cis-1,2-epoxypropylphosphonic acid salt with the desired non-toxic base, characterized in that the optical splitter is L (+) - threo-1- (p-methyl-1-mercaptophenyl) -2-amino-1 , 3-propanediol,
SE7905874A 1978-07-06 1979-07-05 SET TO MAKE SALTS OF (-) CIS-1,2-EPOXYPROPYLPHOSPHONIC ACID SE446739B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT25389/78A IT1097477B (en) 1978-07-06 1978-07-06 METHOD FOR THE PREPARATION OF SALTS OF (-) CIS-1,2-EPOXYPROPYLPHOSPHONIC ACID

Publications (2)

Publication Number Publication Date
SE7905874L SE7905874L (en) 1980-01-07
SE446739B true SE446739B (en) 1986-10-06

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ID=11216556

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7905874A SE446739B (en) 1978-07-06 1979-07-05 SET TO MAKE SALTS OF (-) CIS-1,2-EPOXYPROPYLPHOSPHONIC ACID

Country Status (14)

Country Link
JP (1) JPS5511575A (en)
AT (1) AT373264B (en)
CA (1) CA1131648A (en)
CH (1) CH640863A5 (en)
DE (1) DE2925359C3 (en)
DK (1) DK284679A (en)
ES (1) ES482227A1 (en)
FR (1) FR2430424A1 (en)
GB (1) GB2024826B (en)
GR (1) GR69597B (en)
IE (1) IE48590B1 (en)
IT (1) IT1097477B (en)
NL (1) NL7905313A (en)
SE (1) SE446739B (en)

Also Published As

Publication number Publication date
JPS5511575A (en) 1980-01-26
FR2430424B1 (en) 1985-04-12
NL7905313A (en) 1980-01-08
ATA455279A (en) 1983-05-15
DE2925359C3 (en) 1981-08-06
IT7825389A0 (en) 1978-07-06
GB2024826B (en) 1982-12-01
AT373264B (en) 1984-01-10
ES482227A1 (en) 1980-04-01
FR2430424A1 (en) 1980-02-01
IE48590B1 (en) 1985-03-20
GB2024826A (en) 1980-01-16
SE7905874L (en) 1980-01-07
IT1097477B (en) 1985-08-31
DE2925359A1 (en) 1980-01-24
CA1131648A (en) 1982-09-14
GR69597B (en) 1982-07-05
DK284679A (en) 1980-01-07
IE791272L (en) 1980-01-06
CH640863A5 (en) 1984-01-31
DE2925359B2 (en) 1980-09-04

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