CH619960A5 - Process for the preparation of tris(hydroxymethyl)-aminomethane-gluconate dihydroxy-aluminate - Google Patents

Process for the preparation of tris(hydroxymethyl)-aminomethane-gluconate dihydroxy-aluminate Download PDF

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Publication number
CH619960A5
CH619960A5 CH555475A CH555475A CH619960A5 CH 619960 A5 CH619960 A5 CH 619960A5 CH 555475 A CH555475 A CH 555475A CH 555475 A CH555475 A CH 555475A CH 619960 A5 CH619960 A5 CH 619960A5
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CH
Switzerland
Prior art keywords
gluconate
hydroxymethyl
tris
aluminum
aminomethane
Prior art date
Application number
CH555475A
Other languages
Italian (it)
Inventor
Massimo Fazzini
Original Assignee
Scharper Spa
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Filing date
Publication date
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Publication of CH619960A5 publication Critical patent/CH619960A5/en

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    • CCHEMISTRY; METALLURGY
    • C07ORGANIC CHEMISTRY
    • C07FACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F5/00Compounds containing elements of Groups 3 or 13 of the Periodic Table
    • C07F5/06Aluminium compounds
    • C07F5/069Aluminium compounds without C-aluminium linkages

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)

Abstract

For the preparation of tris(hydroxymethyl)-aminomethane-gluconate dihydroxy-aluminate, the starting material is gluconolactone, giving a solution of D-gluconic acid by dissolution and hydrolysis in water. The D-gluconic acid is reacted with aluminium isopropylate, and the aluminium gluconate obtained is reacted with tris(hydroxymethyl)-aminomethane. The reaction between gluconic acid and aluminium isopropylate is advantageously carried out in water with mechanical stirring at a temperature of between 30 and 80 DEG . The tris(hydroxymethyl)-aminomethane-gluconate dihydroxy-aluminate shows an ideal antiacid activity.

Description

io La presente invenzione riguarda un nuovo procedimento di fabbricazione industriale di tris (idrossimetil)-aminome-tan-gluconato- di idrossi alluminato la cui formula bruta è: C10Ha3O12N Al, di peso molecolare 376,27 ed avente la seguente formula di struttura: The present invention relates to a new industrial manufacturing process of tris (hydroxymethyl) -aminome-tan-gluconate- of hydroxy aluminate whose brute formula is: C10Ha3O12N Al, of molecular weight 376.27 and having the following structural formula:

CHo0H CHo0H

H(\ I 2 H (\ I 2

V 1 V 1

A1-0~CH2-(CH0H)4-CQ0H . NH2-C-CH20H (I) A1-0 ~ CH2- (CH0H) 4-CQ0H. NH2-C-CH20H (I)

W CH20H W CH20H

Il composto ottenuto con il procedimento secondo la pre-25 sente invenzione è già noto in letteratura (vedi Journal of Pharmaceutical Sciences - voi. 56, n. 2, febbraio 1967); di tale composto è già nota ed è stata studiata l'attività come antiacido ideale, per la sua alta capacità neutralizzante per unità di peso. The compound obtained with the process according to the present invention is already known in the literature (see Journal of Pharmaceutical Sciences - vol. 56, n. 2, February 1967); of this compound is already known and its activity as an ideal antacid has been studied, due to its high neutralizing capacity per weight unit.

30 Tuttavia i procedimenti noti e descritti per ottenere il prodotto (I) sono adatti solo ed esclusivamente per metodi di laboratorio, mentre per produzioni industriali essi non sono accettabili per le intrinseche ed obiettive difficoltà, evidenti per qualsiasi esporto dell'arte. 30 However, the known and described processes for obtaining the product (I) are suitable only and exclusively for laboratory methods, while for industrial production they are not acceptable due to the intrinsic and objective difficulties evident for any export of the art.

35 Per la preparazione del composto in oggetto sono noti i seguenti procedimenti: 35 The following processes are known for preparing the compound in question:

— Reazione di acido gluconico in soluzione acquosa con THAM e successiva aggiunta di alluminio isopropilato disciolto in alcool isopropilico. ' - Reaction of gluconic acid in aqueous solution with THAM and subsequent addition of isopropylated aluminum dissolved in isopropyl alcohol. '

40 — Reazione di acido gluconico con THAM e successiva aggiunta di alluminio isopropilato solido in polvere. 40 - Reaction of gluconic acid with THAM and subsequent addition of solid isopropylated aluminum in powder form.

Questi metodi noti si prestano male ad essere attuati su scala industriale. These known methods are not suitable for being implemented on an industrial scale.

Per ovviare a tale inconveniente la presente invenzione 45 propone un procedimento di fabbricazione industriale del tris (idrossimetil) aminometan-gluconato-diidrossi-alluminato secondo il seguente schema di reazioni: To overcome this drawback, the present invention 45 proposes an industrial manufacturing process of tris (hydroxymethyl) aminomethan-gluconate-dihydroxy-aluminate according to the following reaction scheme:

619960 619960

CH?~0H CH? 0H ~

Ah-oh I Ah-oh I

(j- H—0 H CH-OH (j- H — 0 H CH-OH

Ah-oh Ah-oh

I ' COOH I 'COOH

CH CH

*<3/CH * <3 / CH

3 3

.CH. .CH.

9H 9H

îl-0^3 IL-0 ^ 3

i \ i \

XCH XCH

CH,.OH CH, .OH

i the

II N-C-CH OH II N-C-CH OH

ÎH2oh ÎH2oh

CH -O-A.l CH -O-A.l

I 2 I 2

CH-OH CH-OH

Ah-oh l Ah-oh l

(j'.H-CH OH-CH (j'.H-CH OH-CH

Aoo ■ Aoo ■

■OH -OH ■ OH -OH

CH OH CH OH

H^N-C-CHo0H 3 '- H ^ N-C-CHo0H 3 '-

CH?0H CH? 0H

+ +

H- H-

3 CH^-CH-CH, OH 3 CH ^ -CH-CH, OH

In particolare, partendo da gluconolattone si ottiene per soluzione ed idrolisi in acqua una soluzione di acido D-glu-conico che si fa, secondo l'invenzione, reagire in una prima tappa con alluminio isopropilato; in una seconda fase il glu-conato di alluminio viene fatto reagire con trisidrossimetil aminometano per ottenere il prodotto (I). In particular, starting from gluconolactone, a solution of D-gluconic acid is obtained by solution and hydrolysis in water which, according to the invention, is reacted in a first step with isopropylated aluminum; in a second step, the aluminum gluconate is reacted with trishydroxymethyl aminomethane to obtain the product (I).

La presente invenzione potrà essere meglio compresa dal seguente esempio di messa in opera dell'invenzione dato a puro titolo indicativo e pertanto non limitativo: The present invention can be better understood from the following example of implementation of the invention given purely by way of non-limiting example:

Esempio Example

In un beaker da 21 si sciolgono 375 g di gluconolattone in 720 mi di acqua sotto agitazione meccanica; il tempo per avere soluzione completa e conseguente idrolisi da 8-glucono-lattone ad acido D-gluconico è circa 3 h. Si ottiene una soluzione di acido D-gluconico che, all'analisi, ha dato un titolo del 44,3%. In a 21 beaker 375 g of gluconolactone are dissolved in 720 ml of water under mechanical stirring; the time to obtain complete solution and consequent hydrolysis from 8-glucono-lactone to D-gluconic acid is about 3 h. A solution of D-gluconic acid is obtained which, upon analysis, gave a titer of 44.3%.

In un pallone da 3 1 si caricano 810 mi della soluzione di acido gluconico al 44,3 %, 1200 mi di acqua e 381 g di alluminio isopropilato; si porta la miscela sotto agitazione a 810 ml of the 44.3% gluconic acid solution, 1200 ml of water and 381 g of isopropylated aluminum are loaded into a 3 1 flask; the mixture is stirred a

65°C e si lascia fino a completa soluzione (circa 3 h) si raffredda e si precipita con circa 1200 mi di acetone, si filtra, si lava bene spappolando il prodotto 2 volte con 200 mi di acetone e si essicca in stufa sotto vuoto a 45-50°C. 35 Si ottengono 440 g, con resa dell'88% ed un titolo 94,5%. 65 ° C and is left until complete solution (about 3 h), it is cooled and precipitated with about 1200 ml of acetone, filtered, washed well by pulping the product twice with 200 ml of acetone and dried in a stove under vacuum. at 45-50 ° C. 35 440 g are obtained, with a yield of 88% and a titer of 94.5%.

20 g al 94,5% (0,737 moli = al 100%) di gluconato di alluminio (PM = 256,17 - titolo 94,5 %) sono sciolti in 50 mi di acqua; a questa soluzione si aggiungono sotto agitazione 8,93 g (0,737 moli) di trisidrossimetil aminometano (PM = 40 121) sciolti in 15 mi di acqua, si lascia sotto agitazione a freddo per 30 minuti (soluzione completa) indi si evapora con lo spray-dryng. Si ottengono 28,5 g del prodotto di formula (I). 20 g of 94.5% (0.737 moles = 100%) of aluminum gluconate (PM = 256.17 - 94.5% titer) are dissolved in 50 ml of water; 8.93 g (0.737 moles) of trishydroxymethyl aminomethane (PM = 40 121) dissolved in 15 ml of water are added under stirring, left under cold stirring for 30 minutes (complete solution) then evaporated with the spray -dryng. 28.5 g of the product of formula (I) are obtained.

Il potere tamponante del prodotto ottenuto secondo l'invenzione è di circa 110-120 ml HCl 01 N, sul prodotto per-45 fettamente anidro. The buffering power of the product obtained according to the invention is about 110-120 ml HCl 01 N, on the product perfectly dry.

Benché sia stato dato un solo esempio di messa in opera del procedimento secondo l'invenzione, sarà ora facile ad un esperto del ramo provvedere a numerose modifiche e varianti che devono ritenersi tutte comprese nell'ambito del presente so trovato. Although only one example of implementation of the method according to the invention has been given, it will now be easy for a person skilled in the art to make numerous modifications and variations which must be considered all included within the scope of the present invention.

v v

Claims (3)

619960619960 1. Procedimento di preparazione di tris (idrossimetil) aminometan-gluconato-diidrossi-alluminato, caratterizzato dal fatto di prevedere in una prima tappa la reazione di acido D-gluconico con alluminio isopropilato ed in una seconda fase la reazione tra il gluconato di alluminio ottenuto con trisidrossimetil amino-metano. 1. Preparation process for tris (hydroxymethyl) aminomethan-gluconate-dihydroxy-aluminate, characterized in that it provides in a first step the reaction of D-gluconic acid with isopropylated aluminum and in a second step the reaction between the obtained aluminum gluconate with trishydroxymethyl amino-methane. 2. Procedimento secondo la rivendicazione 1, caratterizzato dal fatto che la reazione della prima tappa tra acido glu-conico ed alluminio isopropilato avviene in acqua sotto agitazione meccanica ad una temperatura compresa fra 30 ed 80 gradi e preferibilmente tra 60 e 70°C. 2. Process according to claim 1, characterized in that the reaction of the first step between glutonic acid and isopropylated aluminum takes place in water under mechanical stirring at a temperature of between 30 and 80 degrees and preferably between 60 and 70 ° C. 2 2 RIVENDICAZIONI 3. Applicazione del procedimento secondo la rivendicazione 1 a l'acido D-gluconico ottenuto in una soluzione acquosa da gluconolattone mediante soluzione ed idrolisi in acqua, che si fa reagire con alluminio isopropilato ed il glu-5 conato di alluminio ottenuto con tris(idrossimetil)aminome-tano. 3. Application of the process according to claim 1 to the D-gluconic acid obtained in an aqueous solution from gluconolactone by solution and hydrolysis in water, which is reacted with isopropylated aluminum and the aluminum glu-5 conate obtained with tris (hydroxymethyl ) aminome-tano.
CH555475A 1974-05-22 1975-04-30 Process for the preparation of tris(hydroxymethyl)-aminomethane-gluconate dihydroxy-aluminate CH619960A5 (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2524470A1 (en) * 1982-04-05 1983-10-07 Corvi Camillo Spa ORGANOMETALLIC COMPLEXES OF N-CYCLOHEXYL-PIPERAZINO-ACETAMIDES OR -PROPIONAMIDES, PREPARATION AND USE OF SUCH SUBSTANCES AS BUFFER MEDICINES TO COMBAT ULCERES AND SECRETION FORMATION

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2524470A1 (en) * 1982-04-05 1983-10-07 Corvi Camillo Spa ORGANOMETALLIC COMPLEXES OF N-CYCLOHEXYL-PIPERAZINO-ACETAMIDES OR -PROPIONAMIDES, PREPARATION AND USE OF SUCH SUBSTANCES AS BUFFER MEDICINES TO COMBAT ULCERES AND SECRETION FORMATION

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