BE523903A - - Google Patents
Info
- Publication number
- BE523903A BE523903A BE523903DA BE523903A BE 523903 A BE523903 A BE 523903A BE 523903D A BE523903D A BE 523903DA BE 523903 A BE523903 A BE 523903A
- Authority
- BE
- Belgium
- Prior art keywords
- piperazine
- boiling point
- base
- residue
- products
- Prior art date
Links
- 238000002360 preparation method Methods 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 3
- IAYPIBMASNFSPL-UHFFFAOYSA-N oxane Chemical compound C1CO1 IAYPIBMASNFSPL-UHFFFAOYSA-N 0.000 claims description 3
- NWVNXDKZIQLBNM-UHFFFAOYSA-N Diphenylmethylpiperazine Chemical class C1CNCCN1C(C=1C=CC=CC=1)C1=CC=CC=C1 NWVNXDKZIQLBNM-UHFFFAOYSA-N 0.000 claims description 2
- 229910052801 chlorine Chemical group 0.000 claims description 2
- 125000001309 chloro group Chemical group Cl* 0.000 claims description 2
- 125000004435 hydrogen atoms Chemical group [H]* 0.000 claims description 2
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 claims description 2
- 150000001875 compounds Chemical class 0.000 claims 1
- UHOVQNZJYSORNB-UHFFFAOYSA-N benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 6
- 238000009835 boiling Methods 0.000 description 6
- RTZKZFJDLAIYFH-UHFFFAOYSA-N diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 4
- YXFVVABEGXRONW-UHFFFAOYSA-N toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- 238000010438 heat treatment Methods 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- 230000000875 corresponding Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- NTYJJOPFIAHURM-UHFFFAOYSA-N histamine Chemical compound NCCC1=CN=CN1 NTYJJOPFIAHURM-UHFFFAOYSA-N 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N n-butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- GLUUGHFHXGJENI-UHFFFAOYSA-N piperazine Chemical compound C1CNCCN1 GLUUGHFHXGJENI-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L sodium carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- -1 2-hydroxyethoxy Chemical group 0.000 description 1
- LAMUXTNQCICZQX-UHFFFAOYSA-N 3-chloropropan-1-ol Chemical compound OCCCCl LAMUXTNQCICZQX-UHFFFAOYSA-N 0.000 description 1
- QOXOZONBQWIKDA-UHFFFAOYSA-N 3-hydroxypropyl Chemical class [CH2]CCO QOXOZONBQWIKDA-UHFFFAOYSA-N 0.000 description 1
- AKOBQWDMLNGRHM-UHFFFAOYSA-N ClC1=CC=C(C(C2=CC=CC=C2)N2CCN(CC2)CCCO)C=C1 Chemical compound ClC1=CC=C(C(C2=CC=CC=C2)N2CCN(CC2)CCCO)C=C1 AKOBQWDMLNGRHM-UHFFFAOYSA-N 0.000 description 1
- VEXZGXHMUGYJMC-UHFFFAOYSA-N HCl Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 1
- 206010020751 Hypersensitivity Diseases 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 230000001476 alcoholic Effects 0.000 description 1
- 201000005794 allergic hypersensitivity disease Diseases 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 229960001340 histamine Drugs 0.000 description 1
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 1
- 235000020660 omega-3 fatty acid Nutrition 0.000 description 1
- 150000004885 piperazines Chemical class 0.000 description 1
- 230000001376 precipitating Effects 0.000 description 1
- 238000010992 reflux Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000001187 sodium carbonate Substances 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 239000011780 sodium chloride Substances 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 229940066771 systemic antihistamines Piperazine derivatives Drugs 0.000 description 1
- 231100000816 toxic dose Toxicity 0.000 description 1
- 238000005292 vacuum distillation Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D295/00—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms
- C07D295/04—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms
- C07D295/08—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by singly bound oxygen or sulfur atoms
- C07D295/084—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by singly bound oxygen or sulfur atoms with the ring nitrogen atoms and the oxygen or sulfur atoms attached to the same carbon chain, which is not interrupted by carbocyclic rings
- C07D295/088—Heterocyclic compounds containing polymethylene-imine rings with at least five ring members, 3-azabicyclo [3.2.2] nonane, piperazine, morpholine or thiomorpholine rings, having only hydrogen atoms directly attached to the ring carbon atoms with substituted hydrocarbon radicals attached to ring nitrogen atoms substituted by singly bound oxygen or sulfur atoms with the ring nitrogen atoms and the oxygen or sulfur atoms attached to the same carbon chain, which is not interrupted by carbocyclic rings to an acyclic saturated chain
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
Description
<Desc/Clms Page number 1>
H. MORREN, résidant à; BRUXELLES.
NOUVELLES N-MONOBENZHYDRYL-PIPERAZINE SUBSTITUEES ET LEUR PROCEDE DE
PREPARATION.
Là présente invention se rapporte à des dérivés de la pipérazine de structure générale
EMI1.1
ou R représente un atome d'hydrogène ou de chlore, un groupe -GEL ou -OCH3 se trouvant en position para; n un chiffre entier inférieur à 7*
Elle se rapporte également à un mode de préparation de ces pro- duits ainsi que de leurs sels.
Il a été trouvé que les produits de cette configuration possèdent une activité biologique considérable, surtout dans le domaine de l'allergie.
Ils sont capables de neutraliser un'nombre considérable de doses toxiques d'histamine et de maintenir cette activité pendant plusieurs jours.
Pour la préparation de ces produits, selon la présente invention,
EMI1.2
on fait réagir une 1-p-R benzhrdr. (oméga-hrdroaZcoi) pipérazine avec de l'oxyde d'éthylène selon le schéma
EMI1.3
<Desc/Clms Page number 2>
EMI2.1
Exemple
Préparation de
EMI2.2
EMI2.3
A une solution toluénique de l-p-chlorbenzbydryl-4-(2-bydroxyéthyl)- pipérazine, on ajoute-une solution toluénique d'oxyde d'éthylène en quantité équimoléculaire.. On achève la réaction par chauffage en autoclavevers 170 C.
La masse réactionnelle est ensuite rectifiée et on sépare la 1-p-chlorbenz-
EMI2.4
hydryl-4- [2-(2-hydroxyéthoxy)-étbyl J -pipérazine qui distille à 22D C/0, 5 mm Hg.
Le dichlorhydrate correspondant est préparé par dissolution de la base ci-dessus dans environ 2 fois son poids d'alcool, en la traitant par un excès d'HC1 gazeux et en précipitant par l'éther. Le solvant est décanté et le résidu, dissous dans un minimum, d'alcool, cristallise par addition d'éther. Point de fusion du dichlorhydrate 193 C.
-Les produits dont les formules suivent ont été préparés selon le
EMI2.5
procédé décrit dans l'exemple en utilisant la l-p-R-benzbydryl-4-(oméga- 3.ydroxralcori) pipérazine convenable
EMI2.6
Point d'ébullition de la base : 228 C/0,1 mm Hg.
EMI2.7
Point d'ébullition de la base: 208 C/0,1 mm Hg.
EMI2.8
Point d'ébullition de la base: 185 C.0,005 mm Hg.
EMI2.9
La I-p-R benzhpdxrl 1,.-(2 hrdroxét'hyi-pipérazine nécessaire pour l'obtention des produits décrits ci-dessus a été obtenue par chauffa- ge et agitation pendant environ 18 heures d'une solution alcoolique de 1 M.
EMI2.10
de N-mono-hydroéthyl-pipérazine et de 1,5 M. de chlorure de p-R-benzhy- dryle en présence de 1 M. de carbonate de sodium. On a ensuite évaporé l'al- cool sous vide, repris le résidu par de l'eau et extrait au benzène. Le ré - sidu d'évaporation du benzène a alors été rectifié sous vide.
<Desc/Clms Page number 3>
EMI3.1
EMI3.2
Point d'ébullition de la base: 218-220 C/0, 02 mm Hg.
Point de fusion du dichlorhydrate: 212 C.
EMI3.3
La 1-p--ahlorbenohydryl-4-(3-hydroxypropyl)-pipérazine servant de matière de départ pour l'obtention de ce produit a été préparée par chauffa- ge à reflux pendant 10 heures d'une solution de 0,4 M. de 3-chloropropanol- 1 et de 0,2 M. de N-mono-p-chlorbenzhydryl-pipérazine dans 100 cm3 de butanol- normal. Après avoir éliminé le solvant par distillation sous vide le résidu a été traité par 100 cm3 de solution aqueuse de soude éaustique à 15 % et extrait au benzène.
Ce dernier a été chassé et, par rectification du résidu sous vide, on a obtenu, avec un rendement de 85 %, la 1-p-chlorbenzhydryl- 4-(3-hydroxypropyl)-pipérazine d'un point d'ébullition de 215 C/0,01 mm Hg.
EMI3.4
Point d'ébullition de la base : 248 C/0,005 mm Hg.
EMI3.5
La l-p-chlorbenzhydryl-4-( 6-hydroxyJiexyl) -pipérazine nécessaire pour-l'obtention de ce produit a été préparée comme le dérivé 3-hydroxypro- pyl correspondant'(voir ci-dessus) à partir de N-mono-p-chlorbenzhydryl-pi- pérazine et de 6-chlorohexanol-1. Le produit, obtenu avec un rendement de 90%, bout à 235 C/0,01 mm Hg.
<Desc / Clms Page number 1>
H. MORREN, residing in; BRUSSELS.
NEW N-MONOBENZHYDRYL-PIPERAZINE SUBSTITUTES AND THEIR PROCESS FOR
PREPARATION.
The present invention relates to piperazine derivatives of general structure
EMI1.1
or R represents a hydrogen or chlorine atom, a -GEL or -OCH3 group located in the para position; n a whole number less than 7 *
It also relates to a method of preparing these products as well as their salts.
It has been found that products of this configuration possess considerable biological activity, especially in the field of allergy.
They are able to neutralize a considerable number of toxic doses of histamine and maintain this activity for several days.
For the preparation of these products, according to the present invention,
EMI1.2
a 1-p-R benzhrdr is reacted. (omega-hrdroaZcoi) piperazine with ethylene oxide according to the scheme
EMI1.3
<Desc / Clms Page number 2>
EMI2.1
Example
Preparation of
EMI2.2
EMI2.3
A toluene solution of 1-p-chlorbenzbydryl-4- (2-bydroxyethyl) - piperazine is added a toluene solution of ethylene oxide in an equimolecular amount. The reaction is completed by heating in an autoclave at 170 C.
The reaction mass is then rectified and the 1-p-chlorbenz- is separated.
EMI2.4
hydryl-4- [2- (2-hydroxyethoxy) -étbyl J -piperazine which distils at 22D C / 0.5 mm Hg.
The corresponding dihydrochloride is prepared by dissolving the above base in approximately 2 times its weight of alcohol, treating it with an excess of gaseous HCl and precipitating with ether. The solvent is decanted and the residue, dissolved in a minimum of alcohol, crystallizes on addition of ether. Melting point of dihydrochloride 193 C.
-The products whose formulas follow have been prepared according to the
EMI2.5
process described in the example using the suitable 1-p-R-benzbydryl-4- (omega-3.ydroxralcori) piperazine
EMI2.6
Boiling point of the base: 228 C / 0.1 mm Hg.
EMI2.7
Boiling point of the base: 208 C / 0.1 mm Hg.
EMI2.8
Base boiling point: 185 C. 0.005 mm Hg.
EMI2.9
The I-p-R benzhpdxrl 1, .- (2 hrdroxét'hyi-piperazine necessary for obtaining the products described above was obtained by heating and stirring for about 18 hours of a 1M alcoholic solution.
EMI2.10
of N-mono-hydroethyl-piperazine and 1.5 M. of p-R-benzhy-dryl chloride in the presence of 1 M. of sodium carbonate. The alcohol was then evaporated in vacuo, the residue taken up in water and extracted with benzene. The benzene evaporation residue was then rectified under vacuum.
<Desc / Clms Page number 3>
EMI3.1
EMI3.2
Base boiling point: 218-220 C / 0.02 mm Hg.
Melting point of the dihydrochloride: 212 C.
EMI3.3
The 1-p - ahlorbenohydryl-4- (3-hydroxypropyl) -piperazine as the starting material to obtain this product was prepared by heating under reflux for 10 hours of a 0.4 M solution. . of 3-chloropropanol-1 and of 0.2 M. of N-mono-p-chlorbenzhydryl-piperazine in 100 cm3 of normal butanol. After removing the solvent by vacuum distillation, the residue was treated with 100 cm3 of 15% aqueous sodium hydroxide solution and extracted with benzene.
The latter was removed and, by stripping the residue under vacuum, 1-p-chlorbenzhydryl- 4- (3-hydroxypropyl) -piperazine with a boiling point of 215% was obtained in 85% yield. C / 0.01 mm Hg.
EMI3.4
Boiling point of the base: 248 C / 0.005 mm Hg.
EMI3.5
The lp-chlorbenzhydryl-4- (6-hydroxyJiexyl) -piperazine necessary for-obtaining this product was prepared as the corresponding 3-hydroxypropyl derivative (see above) from N-mono-p -chlorbenzhydryl-piperazine and 6-chlorohexanol-1. The product, obtained with a yield of 90%, boils at 235 C / 0.01 mm Hg.
Claims (1)
Publications (1)
Publication Number | Publication Date |
---|---|
BE523903A true BE523903A (en) |
Family
ID=158695
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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BE523903D BE523903A (en) |
Country Status (1)
Country | Link |
---|---|
BE (1) | BE523903A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0144991A2 (en) * | 1983-12-10 | 1985-06-19 | Wako Pure Chemical Industries, Ltd. | Polymethoxybenzyl piperazine derivatives, processes for their preparation and pharmaceutical compositions containing said derivatives |
-
0
- BE BE523903D patent/BE523903A/fr unknown
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0144991A2 (en) * | 1983-12-10 | 1985-06-19 | Wako Pure Chemical Industries, Ltd. | Polymethoxybenzyl piperazine derivatives, processes for their preparation and pharmaceutical compositions containing said derivatives |
EP0144991A3 (en) * | 1983-12-10 | 1985-07-17 | Wako Pure Chemical Industries, Ltd. | Polymethosybenzyl piperazine derivatives, processes for their preparation and pharmaceutical compositions containing said derivatives |
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