前苏联专利SU873873A3 Method of preparing propanol derivatives or their salts

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专利摘要:
Propanone derivatives of the general formula (I) …<CHEM>… wherein A is a non-substituted aryl group or an aryl group substituted by a hydroxyl group, lower alkoxy group or halogen, or a non-substituted benzo(b)thienyl group or benzo(b)thienyl group substituted by a hydroxyl group, lower alkyl group, lower alkoxy group, an aryl group or halogen, B is a di- lower alkylamino group or heterocyclic group which contains at least one nitrogen atom and may be substituted by a lower alkyl group or an aralkyl group, but, when A is a p-methylphenyl group, B denotes a group other than a piperidino group, and R<1> is a hydrogen, lower alkyl group or an aryl group, and the pharmacologically allowable salts thereof are described. …<??>These derivatives are prepared by reaction of a compound of formula (II) with formaldehyde and a compound of formula (III) …<CHEM>… wherein A, R<1> and B have the same meaning as above. These compounds are useful for treating allergic diseases. Pharmaceutical compositions containing these compounds are also described.
公开号:SU873873A3
申请号:SU792732452
申请日:1979-02-22
公开日:1981-10-15
发明作者:Кода Акихиде；Куросаки Теикити
申请人:Ниппон Зоки Фармасьютикал Ко.Лтд (Фирма)；
IPC主号:

专利说明:

(54) METHOD FOR OBTAINING PROJECT1 PROXI ONE OR THEIR SALTS
one
This invention relates to a process for the preparation of new propanone derivatives of the form-S,
A-C-CH-CH, -BI
hea A is an unsubstituted aryl group or an aryl group substituted by a hyaroxyl group, a lower alkoxy group or a halogen atom, an unsubstituted benzo ()) is a thienyl group or a benzo (b) -kenyl group, a substituted hyruxyl group, an aryl group, a halogen atom ;
B - Qi is a (lower) -alkylamino group or a heterocyclic group containing at least one nitrogen atom and a co-jg of a torus may be substituted by a lower alkyl group or aralkyl group, however, if A is a p -methylphenyl group, then B is a group different from the piperidine group; 20
R is hydrogen, a lower alkyl or aryl group.
The invention also encompasses the salts of these propanones. The compounds of formula 1 have pharmacological activity and 25
can be used to treat allergic diseases.
The literature describes various propane derivatives with pharmacological activity.
A known method for producing amino ketones til of the formula
,
ft- ,,
; ftr -O -CU -C “. -NH -auk I. l
H
where And g - phenyl or naphthyl; a) (- lower alkyl; R - acyloxy, acyloxyalkoxy, aylamino or acylalkylamino;
R ,, Re-, n hydrogen, amino, nitro, alkylamino groups, lower alkylthio groups, etc., which means that
RS
HjN-agic is subjected to interaction with a ketone of the formula gAg-s-n-mth: with where R and R "are lower alkyl groups or together form cycloalkyl. The purpose of an iso-retentate is to develop a method for producing new production propanone expanding the range of agents that affect a living organism. The goal is achieved that according to the method for producing propanone derivatives of formula 1, based on the well-known Mannich reaction 2, the compound of formula n, hea A and R have the indicated meanings, is reacted with formaldehyde and the compound of formula | HH, where B has the indicated values, or its salt The target product is isolated in a known manner as a base or salt. The process is usually conducted in a vortel medium, which forms an azeotropic mixture with water. Such solvents are ethanol, benzene, toluene, nitroalkanes, etc. They are used in other organic or vice mixtures. The process temperature is controlled depending. from used solvents. EXAMPLE 11 125 ml of nitromethane, 35 ml of toluene, 20 ml of ethanol and 1 ml of concentrated hydrochloric acid are mixed with 18.6 g of 4-mothylpropiophenone, 27.0 g of H. isobutylsherzine 27.8 g and 8.5 g triok1sana. The mixture was heated under reflux for 4 hours while stirring. The water formed during the reaction was distilled off. After cooling, sulfuric ether is added to the reaction mixture, the precipitated precipitate is filtered off and dissolved in water. The pH of the resulting solution was adjusted to 6 with 5N sodium hydroxide solution, then. the solution is washed with sulfuric ether, and the alkalinity of the medium ao 7 is also reduced by 5 n more times. sodium hydroxide solution. The resulting solution is extracted with ether, the extract is dried, and the white crystals, which are formed by scrubbing through a solution of gaseous hydrogen, are dried and dried. The product was recalculated from the solvent mixture ethanol-ad-deton, resulting in tsigiarokhlorits 2,4-cimetil-3 (4-isobutylpiperazino) -propiophenone (46.5%), so pl. 215-22OS. Elemental analysis results (.2HCe) C% H% CB% Nayeno. 60.54 8.65 7.60 18.8 O calculated-.60.79 8.59 7.46 18.89 PRI mme R 2. 283 ml of azeotropic solvent (200 ml of nitromethane, 28 ml of ethanol and 5 ml of toluene ), 36.7 g of | i-propionaphthon, 36.5 g of piperiaine hydrochloride, 13.5 g of paraformaldehyde and 1 ml of concentrated hydrochloric acid are mixed and the mixture obtained is heated in a flask with a reflux condenser for 2 hours, the distilled water formed during the reaction. The precipitate formed after the addition of nitromethane and cooling is filtered and dried. After recrystallization from methanol: acetone (1: 3), and then from ethanol, 33 g of 2-methyl-3-lipericinol-B-propiona-phonone hydrochloride are obtained in the form of crystalline powder (yield: 52.0%), m.p. 196-197PC. Results of elemental analysis of C% H% N% Found: 71.66 7.74 4.49 Calculated: 71, 8O 7.61 4.41 PRI me R 3. A mixture of 200 ml of azeotropic solvent (14O ml of nitromethane, 21 ml ethanol and 39 ml of toluene) and 2 ml of concentrated hydrochloric acid are added to 36.0 g (L-propionaphthon, 24.5 g of dimethylamine hydrochloride and 13.5 g of paraformaldehyde. The mixture is heated in a reflux flask for 1.5 h, distilled water formed during the reaction. After cooling, the solvent is removed from the reaction mixture by distillation under reduced pressure. The residue is dissolved in water. The solution is washed The solution is extracted with ether and the ether extract is washed with water and then dried. The crystals formed by passing gaseous hydrogen chloride through the solution are filtered and the mixture is crystallized on acetone-eganopane, As a result, 24.0 g of 2-mega-1 hydrochloride of 3-dimet (1-amine-propionaphthon (43.2% yield) was obtained, mp. 16О-161 С. Results of elemental analysis (С, бН „УО.НСе) with% n%% Found: 69.07 ТДЭ 5, О8 12.65 Calculated: 69.18 7.26 5.04 12.76
EXAMPLE 4: 4O g of fS-propionaphthoa, 12.5 g of paraformal sugar and 37 g of morpholine’s hydrochloric acid are dissolved in 300 ml of azeotropic solvent (210 ml of nitromethane, 30 ml of ethanol and s 60 MP of benzene) and added to it. 1 ml of concentrated hydrochloric acid. The mixture was heated with a reflux condenser for 2 hours while stirring, and the louse formed during the reaction was distilled off. The reaction mixture is evaporated under reduced pressure. The precipitated crystals are washed with ether and filtered off. The crystals are suspended in ethanol, the suspension is boiled and the crystals precipitated by cooling 15 crystallize from methanol, resulting in 55.3 g of a milky white crystalline powder of 2-methyl-3-morpholino- (5-propionaphthonone hydrochloride (yield 79.6 %), mp 182.5-20 202.8 ° C.
Elemental Analysis Results
c% n% c%
Found: 67.55 6.88 4.36 10.94
Calculated: 67.6 6.93 4.3b 11.08 25
EXAMPLE 5. 72.0 g of 3, 4-dimethylpropiophenone, 59.4 g of piperidine hydrochloride and 20.0 g of caraformaldehyde, 300 ml of ethyl acetate and 1 ml of concentrated hydrochloric acid are heated at a stirring ratio of 30 ml. with a reflux condenser for 2.5 hours; distilled water formed as a result of the reaction. After cooling, the precipitated crystals are filtered off and the alcohol-acetone is crystallized from mixture, 35 resulting in the formation of white crystals of the indicated product. All the filtrates are combined, evaporated to dryness by vacuum and dissolved in water. The solution is washed with sulfuric ether with a solution of 5 n. 40 of sodium hydroxide solution, create a silk reaction medium and extracted with sulfuric ether. The extract is washed, ether is given after adding conenterated hydrochloric acid and the residue is taken up from an alcohol-acetone mixture, and is obtained as a result. white crystals of hydroxychloride 2,3-4-trimethyl-3-piperiainopiophenone (total yield 61.3%), mp; 184-185 ° C.50
The results of elemental analysis of C1-gN, 15 0SH)
c% n% j /% c1%
Found: 69.81 8.6О 4.88 11.9О
Calculated: 69.02 ,8 8.86 4.73 11.98 EXAMPLE 6 36.8 g of i-propionaphthon, 13.5 g of paraformaldehyde and 21.5 g of hgarrolidine are dissolved in 285 ml of aaeotropic solvent (200 ml of nitromethane, ZO ml of ethanol and 35 ml of toluene) and 30 ml of concentrated hydrochloric acid are added. The mixture is heated in a flask with a reflux condenser for 2 hours; water that has been distilled off is formed as the reaction proceeds. The reaction mixture is concentrated under reduced pressure, and the precipitated crystals are washed with acetone and filtered. The product is dissolved in water, washed with sulfuric ether, and the pH is adjusted to alkaline with 5N. sodium hydroxide solution and extracted with ether. The extract is washed with water and dried with anhydrous sodium sulfate. After passing through a solution of hydrogen chloride, crystals are formed which are filtered off. After recrystallization from a mixture of acetone-alcohol and water, 10.5 g of crystalline powder of 2-methyl-3-pyrolidino-jJi-propionaphthon hydrochloride (yield 17.3%) are obtained, mp. IBD-IO C).
Elemental Analysis Results (, NO.HCt)
n% n% ce%
Found: 71.05 7.34 4.61 11.58 Calculated: 71.16 7, DA 1.61 11.67
Example 7. To a mixture of 21O ml of pitromotoia, 32 ml of ethanol, 58 ml of toluene and 2 ml of co-centric hydrochloric acid were added 38.8 g of H, 4-dimethoxypropiophonone, 26.8 g of hydrochloride-gpaporicin and 9, O g of paraformaldehyde. The mixture is heated for 1.5 hours in a flask with a reflux condenser to remove water that has formed by the sea of reaction. The reaction mixture is concentrated npvi reduced pressure. The precipitated crystals are washed with acetone and filtered. After recrystallization of the product from an alcohol-acetone mixture, a white crystalline powder of the title compound is obtained. The mother liquor after recrystallization is evaporated to dryness under vacuum and the residue is dissolved in water. The solution is washed with sulfuric ether, create an alkaline reaction medium with 5 n. sodium hydroxy solution, extracted with sulfuric ether.
The ether extract is washed with water and then dried with anhydrous sodium sulfate T1. The crystals formed by passing hydrogen chloride through a solution are filtered and, after recrystallization from ethanol-acetone mixture, a white crystalline dorshock of hydrochloride 3, 4-dimethoxy-2-methyl-3-piperidinopropiophenone (total yield 32,) is obtained, mp. 171-172 ° C. Results of elemental analysis (..} iC) c% n% F%, c% Found: 62.4 O 7.97 4.19 l6 78 Calculated: 62.28 7.99 4.27 10.81 Example 8 To a mixture of 125 ml of nitromethane, 20 ml of ethanol, 35 ml of toluene and 2 ml of concentrated hydrochloric acid were added 22.6 g of p-methoxyphenylbenzyl ketone, 18.2 piperidine hydrochloride and 6.9 g of paraformaldehyde. The mixture is heated in a flask with a dispergmator for 1.5 h. Distilled water formed as the reaction proceeds. After cooling, the solvent is removed from the reaction mixture under reduced pressure. The residue is dissolved in water, the solution is extracted with ether and then with benzene, and the extract is dried with anhydrous sodium sulfate. After recrystallization of the product from methanol-acetone and removal of the solvent, 14.5 g of white hydrochloride crystals of 4-metrxy-2-phenyl-3-piperidinopropiophenone are obtained (yield 4O, 3%, mp. 148-149 ° C. Results on elemental analysis (Cj Hj NOope) C% N% N% CB% Found: 69.83 7.44 3.87 9.71 Calculated: 70.08 7.28 3.89 9.85 PRI me R 9. To a mixture 140 ml of nitromethane, 40 ml of toluene, 2O ml of ethanol and 2 ml of concentrated hydrochloric acid, 37.7 g of b-propionyltetraline, 26.8 g of piperidine hydrochloride and 9.0 g of formaldehyde (added as a 4O% visible solution formalin). A mixture of heating After cooling, the precipitated crystals are filtered off and recrystallized from an alcohol-acetone mixture, resulting in a white crystalline powder of the indicated compound. The filtrate obtained after recrystallization is evaporated dry under reduced pressure and the residue is dissolved in water. The solution is washed with ether and a silk medium is created using 8 38 1 n. sodium hydroxide solution and re-extracted with sulfuric ether. The extract is washed with water, dried with anhydrous sodium sulfate. The crystals precipitated after passage through a solution of hydrogen chloride are filtered off. After recrystallization of the product from an alcohol-acetone mixture, a white crystalline powder of 2-methyl-3-piperidino-5, 6, 7, 8-tetrahydro-2prpyrophionptone hydrochloride (total yield 54 1%) m.p. 175.5-176.5 ° C. , Results, elemental analysis (C gHj NO-HCe). C.% n% m% ce% Found: 7O, 74 8.92 4.39 10.95 Calculated: 70.90 9.77 4.35 11.01 Example 10. A mixture of 18.4 g of | b-propionaphthon, 14.9 g of 3-methylpiperidine hydrochloride, 4.5 g of paraformaldehyce, 1 ml of hydrochloric acid and 250 ml of ethyl acetate are heated for 2.5 hours in a flask with a reflux condenser, and the water formed during the course of the reactions is distilled. After cooling, the precipitated crystals are filtered and recrystallized from scyrt-acetone mixture, resulting in 15.2 g of a white crystalline powder of 2-methyl-3- (3-methylpiperidino) -propionaphthon hydrochloride (yield 45.8%), t .pl. 175.5-177С. Elemental analysis results (fC ioHfjjNO.HCe) n% N% cr% found: 71.8 O 7.92 4.10 10.66 calculated: 72.38 7.9 O 4.22 1O, 68 P and M s 11- 38 According to the procedure of rimers 1-1О, compounds obtained in Table 1 were obtained. 2. As starting materials: the compounds listed in Table 2 were used. 1. The compounds obtained by the proposed manual can be used as diallergic agents for the treatment of ronchial asthma, allergic rhenium and allergic dermatitis. Table 1
4 -Oxipropiophenone 4 -Oxy-3-methoxypropiophenone and -propionaphton 4 -Phenylpropiophenone
1 - (Benzothiophen-Z-SP) propanone4-Hexylpropiophenone (1-Propionaphthon 4 -Metylpropiophenone 4 -Methoxypropiophenone 4-Ethoxypropiophenone: p -Tolylbenzyl ketone P) -Propionaphone
3, 4-dimethylacetophenone
ft -Acetonaphone
A) b -bouronfgon
5-Propionilinaan
3, 4-diethylpropiophenone
Propiophenone
4-n-propylpropiophenone
2, 4, 6-Trimethylpropiofvnon
2, 3, 4, 5, 6 Pentchmethylthiopropiophenone
Zina
Digitsrokhlorits 1-ethylpiperazine
Digitsrochlorits N-benzylpiperazine
Piperidine hycrochlorite
4-methylpiperiaine hydrochloride ро Cymethylamine hycrochlorite Hyperrochlor pyritecin.
2-methylpipericin hycrochlorides 4-benzylpiperiaine hyarochloric, piperidine hycrochlorite 2 piperidine hyarochloric
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со со со Ю
with so
G-C G-G-t b

权利要求:
Claims (2)
[1]
ttt h- 17 Formula of the invention, 1. Method of obtaining the derivatives of the general formula 1: OR I A -D -tw-Crt hei A - unsubstituted aryl group or aryl group, substituted with a gyroxy group, lower alkoxy group or halogen atom, unsubstituted benzo A (B) thienyl group or a benzo (B) thienyl group substituted by a hydroxy oxyl group, an aryl group, or a halogen atom; B is an ai (lower) -alkylamino group or a heterocyclic group containing at least one nitrogen atom and which may be substituted by a lower alkyl group or an aralkyl group; however, if A represents a p -methyl318 phenyl group, then B represents a group other than the piperidine group; R is a higher quotient, lower alkyl or aryl group, or their salts, which means that the reaction is of the general formula II. 1, A-C-SMg: Hz A and R have the indicated C values, are reacted with formaldehyde and a compound of the formula I HB, where B has the indicated values, or its salts, followed by isolation of the target product in free form or as a salt . Sources of information taken into account in the examination 1. USSR Patent No. 440826, cl. С О7 С 97 / 1О, published. 1974.
[2]
2.Vatsuro KV and Mishchenko G. L. Named reactions of organic hyulia. M., Himi, 1976, p. 268.

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法律状态:

优先权:

申请号 | 申请日 | 专利标题

JP53019303A|JPS6256143B2|1978-02-22|1978-02-22|

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