NO144262B - Analogifremgangsmaate ved fremstilling av terapeutisk virksomme n-substituerte benzamidderivater - Google Patents
Analogifremgangsmaate ved fremstilling av terapeutisk virksomme n-substituerte benzamidderivater Download PDFInfo
- Publication number
- NO144262B NO144262B NO750976A NO750976A NO144262B NO 144262 B NO144262 B NO 144262B NO 750976 A NO750976 A NO 750976A NO 750976 A NO750976 A NO 750976A NO 144262 B NO144262 B NO 144262B
- Authority
- NO
- Norway
- Prior art keywords
- compound
- hydrogen
- formula
- bis
- benzamide
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 10
- -1 N-SUBSTITUTED BENZAMIDE Chemical class 0.000 title claims description 8
- 238000002360 preparation method Methods 0.000 title claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 55
- 150000003839 salts Chemical class 0.000 claims description 15
- 239000001257 hydrogen Substances 0.000 claims description 14
- 229910052739 hydrogen Inorganic materials 0.000 claims description 14
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 11
- 239000002253 acid Substances 0.000 claims description 8
- DJBNUMBKLMJRSA-UHFFFAOYSA-N Flecainide Chemical compound FC(F)(F)COC1=CC=C(OCC(F)(F)F)C(C(=O)NCC2NCCCC2)=C1 DJBNUMBKLMJRSA-UHFFFAOYSA-N 0.000 claims description 7
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 claims description 5
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 5
- 239000000460 chlorine Substances 0.000 claims description 5
- 229910052801 chlorine Inorganic materials 0.000 claims description 5
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 5
- 125000004432 carbon atom Chemical group C* 0.000 claims description 4
- 239000003054 catalyst Substances 0.000 claims description 3
- 150000002431 hydrogen Chemical group 0.000 claims description 3
- FKLJPTJMIBLJAV-UHFFFAOYSA-N Compound IV Chemical compound O1N=C(C)C=C1CCCCCCCOC1=CC=C(C=2OCCN=2)C=C1 FKLJPTJMIBLJAV-UHFFFAOYSA-N 0.000 claims description 2
- 125000000623 heterocyclic group Chemical group 0.000 claims description 2
- YCKWLOJVFNPJAW-UHFFFAOYSA-N n-(pyridin-2-ylmethyl)-2,5-bis(2,2,2-trifluoroethoxy)benzamide Chemical compound FC(F)(F)COC1=CC=C(OCC(F)(F)F)C(C(=O)NCC=2N=CC=CC=2)=C1 YCKWLOJVFNPJAW-UHFFFAOYSA-N 0.000 claims description 2
- 125000005010 perfluoroalkyl group Chemical group 0.000 claims description 2
- RHPBLLCTOLJFPH-UHFFFAOYSA-N piperidin-2-ylmethanamine Chemical compound NCC1CCCCN1 RHPBLLCTOLJFPH-UHFFFAOYSA-N 0.000 claims description 2
- WOXFMYVTSLAQMO-UHFFFAOYSA-N 2-Pyridinemethanamine Chemical compound NCC1=CC=CC=N1 WOXFMYVTSLAQMO-UHFFFAOYSA-N 0.000 claims 1
- 125000000325 methylidene group Chemical group [H]C([H])=* 0.000 claims 1
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 20
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 16
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 15
- 239000000203 mixture Substances 0.000 description 13
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical class CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 12
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 12
- RWRDLPDLKQPQOW-UHFFFAOYSA-N Pyrrolidine Chemical compound C1CCNC1 RWRDLPDLKQPQOW-UHFFFAOYSA-N 0.000 description 12
- 239000000047 product Substances 0.000 description 10
- 239000007787 solid Substances 0.000 description 10
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 9
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical class Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 8
- 239000000243 solution Substances 0.000 description 8
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 6
- 229910052799 carbon Inorganic materials 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 6
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 6
- 150000001721 carbon Chemical group 0.000 description 5
- 125000003386 piperidinyl group Chemical group 0.000 description 5
- RXCBHSJSTYMELN-UHFFFAOYSA-N 2,2,2-trifluoroethyl 2,5-bis(2,2,2-trifluoroethoxy)benzoate Chemical compound FC(F)(F)COC(=O)C1=CC(OCC(F)(F)F)=CC=C1OCC(F)(F)F RXCBHSJSTYMELN-UHFFFAOYSA-N 0.000 description 4
- KXDAEFPNCMNJSK-UHFFFAOYSA-N Benzamide Chemical compound NC(=O)C1=CC=CC=C1 KXDAEFPNCMNJSK-UHFFFAOYSA-N 0.000 description 4
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- IXCSERBJSXMMFS-UHFFFAOYSA-N hydrogen chloride Substances Cl.Cl IXCSERBJSXMMFS-UHFFFAOYSA-N 0.000 description 4
- 229910000041 hydrogen chloride Inorganic materials 0.000 description 4
- 238000010992 reflux Methods 0.000 description 4
- 238000010998 test method Methods 0.000 description 4
- FYSNRJHAOHDILO-UHFFFAOYSA-N thionyl chloride Chemical compound ClS(Cl)=O FYSNRJHAOHDILO-UHFFFAOYSA-N 0.000 description 4
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 3
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 3
- 150000007513 acids Chemical class 0.000 description 3
- 230000003288 anthiarrhythmic effect Effects 0.000 description 3
- KRKNYBCHXYNGOX-UHFFFAOYSA-N citric acid Chemical compound OC(=O)CC(O)(C(O)=O)CC(O)=O KRKNYBCHXYNGOX-UHFFFAOYSA-N 0.000 description 3
- 239000012442 inert solvent Substances 0.000 description 3
- 238000002347 injection Methods 0.000 description 3
- 239000007924 injection Substances 0.000 description 3
- 125000001570 methylene group Chemical group [H]C([H])([*:1])[*:2] 0.000 description 3
- REQCZEXYDRLIBE-UHFFFAOYSA-N procainamide Chemical compound CCN(CC)CCNC(=O)C1=CC=C(N)C=C1 REQCZEXYDRLIBE-UHFFFAOYSA-N 0.000 description 3
- 238000006722 reduction reaction Methods 0.000 description 3
- 239000007858 starting material Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- CUYKNJBYIJFRCU-UHFFFAOYSA-N 3-aminopyridine Chemical compound NC1=CC=CN=C1 CUYKNJBYIJFRCU-UHFFFAOYSA-N 0.000 description 2
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 2
- VZCYOOQTPOCHFL-OWOJBTEDSA-N Fumaric acid Chemical compound OC(=O)\C=C\C(O)=O VZCYOOQTPOCHFL-OWOJBTEDSA-N 0.000 description 2
- WTDHULULXKLSOZ-UHFFFAOYSA-N Hydroxylamine hydrochloride Chemical compound Cl.ON WTDHULULXKLSOZ-UHFFFAOYSA-N 0.000 description 2
- 241001465754 Metazoa Species 0.000 description 2
- AFVFQIVMOAPDHO-UHFFFAOYSA-N Methanesulfonic acid Chemical compound CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 description 2
- 241000699670 Mus sp. Species 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical class OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- NQRYJNQNLNOLGT-UHFFFAOYSA-N Piperidine Chemical compound C1CCNCC1 NQRYJNQNLNOLGT-UHFFFAOYSA-N 0.000 description 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical class OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 241000906446 Theraps Species 0.000 description 2
- LLMUIHMJPJEPGX-UHFFFAOYSA-N [N]NC(=O)C1=CC=CC=C1 Chemical group [N]NC(=O)C1=CC=CC=C1 LLMUIHMJPJEPGX-UHFFFAOYSA-N 0.000 description 2
- 230000003444 anaesthetic effect Effects 0.000 description 2
- 239000003416 antiarrhythmic agent Substances 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 150000003936 benzamides Chemical class 0.000 description 2
- 238000010531 catalytic reduction reaction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000012458 free base Substances 0.000 description 2
- 239000000543 intermediate Substances 0.000 description 2
- INQOMBQAUSQDDS-UHFFFAOYSA-N iodomethane Chemical compound IC INQOMBQAUSQDDS-UHFFFAOYSA-N 0.000 description 2
- 239000003589 local anesthetic agent Substances 0.000 description 2
- ZYZPDUJPBRLOAB-UHFFFAOYSA-N n-pyridin-3-yl-2,5-bis(2,2,2-trifluoroethoxy)benzamide Chemical compound FC(F)(F)COC1=CC=C(OCC(F)(F)F)C(C(=O)NC=2C=NC=CC=2)=C1 ZYZPDUJPBRLOAB-UHFFFAOYSA-N 0.000 description 2
- MUMZUERVLWJKNR-UHFFFAOYSA-N oxoplatinum Chemical compound [Pt]=O MUMZUERVLWJKNR-UHFFFAOYSA-N 0.000 description 2
- 229910003446 platinum oxide Inorganic materials 0.000 description 2
- 229960000244 procainamide Drugs 0.000 description 2
- 238000001953 recrystallisation Methods 0.000 description 2
- 239000002904 solvent Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 150000003512 tertiary amines Chemical class 0.000 description 2
- VZCYOOQTPOCHFL-UHFFFAOYSA-N trans-butenedioic acid Natural products OC(=O)C=CC(O)=O VZCYOOQTPOCHFL-UHFFFAOYSA-N 0.000 description 2
- 208000003663 ventricular fibrillation Diseases 0.000 description 2
- LEKNBLYGRWKNSE-UHFFFAOYSA-N (1-ethylpiperidin-2-yl)methanamine Chemical compound CCN1CCCCC1CN LEKNBLYGRWKNSE-UHFFFAOYSA-N 0.000 description 1
- BJEPYKJPYRNKOW-REOHCLBHSA-N (S)-malic acid Chemical compound OC(=O)[C@@H](O)CC(O)=O BJEPYKJPYRNKOW-REOHCLBHSA-N 0.000 description 1
- JBZRHQMTFCUHPD-UHFFFAOYSA-N 1-piperidin-2-ylethanamine Chemical compound CC(N)C1CCCCN1 JBZRHQMTFCUHPD-UHFFFAOYSA-N 0.000 description 1
- YPGYLCZBZKRYQJ-UHFFFAOYSA-N 2,5-bis(2,2,2-trifluoroethoxy)benzoic acid Chemical class OC(=O)C1=CC(OCC(F)(F)F)=CC=C1OCC(F)(F)F YPGYLCZBZKRYQJ-UHFFFAOYSA-N 0.000 description 1
- UJJXIVQSEUDBLJ-UHFFFAOYSA-N 2,5-bis(2,2,2-trifluoroethoxy)benzoyl chloride Chemical compound FC(F)(F)COC1=CC=C(OCC(F)(F)F)C(C(Cl)=O)=C1 UJJXIVQSEUDBLJ-UHFFFAOYSA-N 0.000 description 1
- LDXJRKWFNNFDSA-UHFFFAOYSA-N 2-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)-1-[4-[2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidin-5-yl]piperazin-1-yl]ethanone Chemical compound C1CN(CC2=NNN=C21)CC(=O)N3CCN(CC3)C4=CN=C(N=C4)NCC5=CC(=CC=C5)OC(F)(F)F LDXJRKWFNNFDSA-UHFFFAOYSA-N 0.000 description 1
- BMYNFMYTOJXKLE-UHFFFAOYSA-N 3-azaniumyl-2-hydroxypropanoate Chemical compound NCC(O)C(O)=O BMYNFMYTOJXKLE-UHFFFAOYSA-N 0.000 description 1
- HBAQYPYDRFILMT-UHFFFAOYSA-N 8-[3-(1-cyclopropylpyrazol-4-yl)-1H-pyrazolo[4,3-d]pyrimidin-5-yl]-3-methyl-3,8-diazabicyclo[3.2.1]octan-2-one Chemical class C1(CC1)N1N=CC(=C1)C1=NNC2=C1N=C(N=C2)N1C2C(N(CC1CC2)C)=O HBAQYPYDRFILMT-UHFFFAOYSA-N 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-M Bicarbonate Chemical class OC([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-M 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- FEWJPZIEWOKRBE-JCYAYHJZSA-N Dextrotartaric acid Chemical compound OC(=O)[C@H](O)[C@@H](O)C(O)=O FEWJPZIEWOKRBE-JCYAYHJZSA-N 0.000 description 1
- 241000283973 Oryctolagus cuniculus Species 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 1
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical compound [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 description 1
- KDYFGRWQOYBRFD-UHFFFAOYSA-N Succinic acid Natural products OC(=O)CCC(O)=O KDYFGRWQOYBRFD-UHFFFAOYSA-N 0.000 description 1
- FEWJPZIEWOKRBE-UHFFFAOYSA-N Tartaric acid Natural products [H+].[H+].[O-]C(=O)C(O)C(O)C([O-])=O FEWJPZIEWOKRBE-UHFFFAOYSA-N 0.000 description 1
- CKUAXEQHGKSLHN-UHFFFAOYSA-N [C].[N] Chemical group [C].[N] CKUAXEQHGKSLHN-UHFFFAOYSA-N 0.000 description 1
- 159000000021 acetate salts Chemical class 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000004480 active ingredient Substances 0.000 description 1
- 150000001266 acyl halides Chemical class 0.000 description 1
- 150000001299 aldehydes Chemical class 0.000 description 1
- 125000003545 alkoxy group Chemical group 0.000 description 1
- 150000001351 alkyl iodides Chemical class 0.000 description 1
- 239000002168 alkylating agent Substances 0.000 description 1
- 229940100198 alkylating agent Drugs 0.000 description 1
- BJEPYKJPYRNKOW-UHFFFAOYSA-N alpha-hydroxysuccinic acid Natural products OC(=O)C(O)CC(O)=O BJEPYKJPYRNKOW-UHFFFAOYSA-N 0.000 description 1
- 229910000147 aluminium phosphate Chemical class 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 229940054066 benzamide antipsychotics Drugs 0.000 description 1
- SRSXLGNVWSONIS-UHFFFAOYSA-N benzenesulfonic acid Chemical compound OS(=O)(=O)C1=CC=CC=C1 SRSXLGNVWSONIS-UHFFFAOYSA-N 0.000 description 1
- 229940092714 benzenesulfonic acid Drugs 0.000 description 1
- 230000037396 body weight Effects 0.000 description 1
- 150000001649 bromium compounds Chemical class 0.000 description 1
- 239000000872 buffer Substances 0.000 description 1
- KDYFGRWQOYBRFD-NUQCWPJISA-N butanedioic acid Chemical compound O[14C](=O)CC[14C](O)=O KDYFGRWQOYBRFD-NUQCWPJISA-N 0.000 description 1
- 239000002775 capsule Substances 0.000 description 1
- 239000012043 crude product Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- HPNMFZURTQLUMO-UHFFFAOYSA-N diethylamine Chemical compound CCNCC HPNMFZURTQLUMO-UHFFFAOYSA-N 0.000 description 1
- HBGGXOJOCNVPFY-UHFFFAOYSA-N diisononyl phthalate Chemical class CC(C)CCCCCCOC(=O)C1=CC=CC=C1C(=O)OCCCCCCC(C)C HBGGXOJOCNVPFY-UHFFFAOYSA-N 0.000 description 1
- 239000003085 diluting agent Substances 0.000 description 1
- 238000004821 distillation Methods 0.000 description 1
- 239000003937 drug carrier Substances 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 150000002148 esters Chemical class 0.000 description 1
- AFAXGSQYZLGZPG-UHFFFAOYSA-N ethanedisulfonic acid Chemical compound OS(=O)(=O)CCS(O)(=O)=O AFAXGSQYZLGZPG-UHFFFAOYSA-N 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000000706 filtrate Substances 0.000 description 1
- 239000001530 fumaric acid Substances 0.000 description 1
- 235000011087 fumaric acid Nutrition 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 1
- 235000019341 magnesium sulphate Nutrition 0.000 description 1
- VZCYOOQTPOCHFL-UPHRSURJSA-N maleic acid Chemical compound OC(=O)\C=C/C(O)=O VZCYOOQTPOCHFL-UPHRSURJSA-N 0.000 description 1
- 239000011976 maleic acid Substances 0.000 description 1
- 239000001630 malic acid Substances 0.000 description 1
- 235000011090 malic acid Nutrition 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229940098779 methanesulfonic acid Drugs 0.000 description 1
- 239000000401 methanolic extract Substances 0.000 description 1
- LNOPIUAQISRISI-UHFFFAOYSA-N n'-hydroxy-2-propan-2-ylsulfonylethanimidamide Chemical compound CC(C)S(=O)(=O)CC(N)=NO LNOPIUAQISRISI-UHFFFAOYSA-N 0.000 description 1
- KESFQWJDLJCVLW-UHFFFAOYSA-N n-(1-piperidin-2-ylethyl)-2,5-bis(2,2,2-trifluoroethoxy)benzamide Chemical compound C1CCCNC1C(C)NC(=O)C1=CC(OCC(F)(F)F)=CC=C1OCC(F)(F)F KESFQWJDLJCVLW-UHFFFAOYSA-N 0.000 description 1
- OIDNLIZGLMWSRS-UHFFFAOYSA-N n-(piperidin-4-ylmethyl)-2,5-bis(2,2,2-trifluoroethoxy)benzamide;hydrochloride Chemical compound Cl.FC(F)(F)COC1=CC=C(OCC(F)(F)F)C(C(=O)NCC2CCNCC2)=C1 OIDNLIZGLMWSRS-UHFFFAOYSA-N 0.000 description 1
- TULLTQXXQKJCKV-UHFFFAOYSA-N n-[(1,1-dimethylpiperidin-1-ium-2-yl)methyl]-2,5-bis(2,2,2-trifluoroethoxy)benzamide;iodide Chemical compound [I-].C[N+]1(C)CCCCC1CNC(=O)C1=CC(OCC(F)(F)F)=CC=C1OCC(F)(F)F TULLTQXXQKJCKV-UHFFFAOYSA-N 0.000 description 1
- ASSYBVXUHBBABI-UHFFFAOYSA-N n-[(1-ethyl-1-methylpiperidin-1-ium-2-yl)methyl]-2,5-bis(2,2,2-trifluoroethoxy)benzamide;iodide Chemical compound [I-].CC[N+]1(C)CCCCC1CNC(=O)C1=CC(OCC(F)(F)F)=CC=C1OCC(F)(F)F ASSYBVXUHBBABI-UHFFFAOYSA-N 0.000 description 1
- OCFIVZBWGSQJBG-UHFFFAOYSA-N n-[(1-ethylpyrrolidin-2-yl)methyl]-2,5-bis(2,2,2-trifluoroethoxy)benzamide Chemical compound CCN1CCCC1CNC(=O)C1=CC(OCC(F)(F)F)=CC=C1OCC(F)(F)F OCFIVZBWGSQJBG-UHFFFAOYSA-N 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000012299 nitrogen atmosphere Substances 0.000 description 1
- 125000004433 nitrogen atom Chemical group N* 0.000 description 1
- 239000012044 organic layer Substances 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 150000002923 oximes Chemical class 0.000 description 1
- 238000007911 parenteral administration Methods 0.000 description 1
- 239000000825 pharmaceutical preparation Substances 0.000 description 1
- 235000015497 potassium bicarbonate Nutrition 0.000 description 1
- 229910000028 potassium bicarbonate Inorganic materials 0.000 description 1
- 239000011736 potassium bicarbonate Substances 0.000 description 1
- TYJJADVDDVDEDZ-UHFFFAOYSA-M potassium hydrogencarbonate Chemical compound [K+].OC([O-])=O TYJJADVDDVDEDZ-UHFFFAOYSA-M 0.000 description 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 1
- 125000000719 pyrrolidinyl group Chemical group 0.000 description 1
- 150000003242 quaternary ammonium salts Chemical class 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 230000011514 reflex Effects 0.000 description 1
- 150000003335 secondary amines Chemical class 0.000 description 1
- 239000001632 sodium acetate Substances 0.000 description 1
- 235000017281 sodium acetate Nutrition 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000011975 tartaric acid Substances 0.000 description 1
- 235000002906 tartaric acid Nutrition 0.000 description 1
- 230000000699 topical effect Effects 0.000 description 1
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D213/00—Heterocyclic compounds containing six-membered rings, not condensed with other rings, with one nitrogen atom as the only ring hetero atom and three or more double bonds between ring members or between ring members and non-ring members
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Description
Foreliggende oppfinnelse angår en analogifremgangsmåte
ved fremstilling av nye, terapeutisk virksomme N-substituerte benzamidderivater av den generelle formel:
hvor R f betegner en perfluoralkylgruppe med 1-3 carbonatomer,
n er 1, 2 eller 3, p er 1 eller 2, Q er en carbon-nitrogen-
binding, methylen eller methylmethylen, og R og R' er hydrogen eller methyl, og i farmasøytisk henseende aksepterbare salter derav.
De nye benzamidderivater og deres nevnte salter er aktive
som antiarrythmimidler.
I US patentskrift 3 719 687 beskrives visse benzamider
som er substituert i den aromatiske ring med 1,1-dihydroper-fluoralkoxygrupper. De foreliggende fremgangsmåteforbindelser avviker fra de ovenfor angitte ved at
1) benzamidonitrogenatomet er bundet gjennom en methylengruppe
eller en carbon-nitrogen-binding til carbonatomet i pyrro-
lidin- eller piperidinringen,
2) de forliggende forbindelser kan enten være sekundære eller tertiære aminer ( hva ringnitrogenatomet angår), og
3) i de foreliggende forbindelser er der bare ett eller over-
hodet intet carbonatom som forbinder benzamidonitrogen-
atomet til pyrrolidin- eller piperidinringen. Ennvidere har foreliggende forbindelser fortrinnsvis også i de fleste tilfeller et asymmetrisk carbonatom.
Særlig foretrukne er forbindelser hvori Q betegner en
1) en carbon-nitrogen-binding og er bundet til 3-stillingen i pyrrolidin- eller piperidinringen, eller 2) en methylen- eller methylmethylen-gruppe og er bundet til
2-stillingen i pyrrolidin- eller piperidinringen. Disse forbindelser foretrekkes fordi de har den beste antiarytmi-virkning bestemt ved forsok på dyr. Visse av disse har og-så vist seg å ha reduserte bivirkninger i forhold til kjente forbindelser. Visse salter av de frie baser har likeledes vist seg å ha reduserte bivirkninger.
Likeledes er foretrukne forbindelser slike hvori n er 2, R^ er trifluormethyl, og hvor dihydroperfluorethoxygruppene sitter i 2- og 5-stillingene.
Foreliggende forbindelser som har minst ett asymmetrisk carbonatom, nemlig det carbonatom i pyrrolidin- eller piperidinringen hvortil gruppen Q er bundet, kan spaltes i de optisk aktive enantiomerer på kjent måte. Ytterligere kan der være andre asymmetriske centra tilstede, f.eks. når Q er alkyl-methylen, eller R<1> er methyl eller ethyl.
Forbindelsene kan anvendes direkte eller i form av farmasøytisk akseptable syreaddisjonssalter, særlig som opplø-selige salter av eddiksyre, saltsyre, svovelsyre eller fosfor-syre. Andre salter er kombinasjoner med hydrogenbromidsyre, sulfaminsyre, methansulfonsyre, benzensulfonsyre, ethandisulf-onsyre, citronsyre, maleinsyre, oxalsyre, ravsyré, eplesyre, fumarsyre og vinsyre. Farmasoytisk akseptable kvartære ammoni-umsalter kan også anvendes, f.eks. salter med alkyljodider eller -bromider.
De foreliggende forbindelsers antiarrythmivirkning gir seg tilkjenne ved deres evne til å blokkere kloroformindusert ventrikulær flimmer hos mus ved testmetoden som er beskrevet av J.W. Lawson, J. Pharmacol. Exp. Therap. 160:22-31, 1968.
Resultater som ved nevnte testmetode ble oppnådd for en rekke av de nye forbindelser, er oppført i den nedenstående Tabell 1. Resultatene er gitt som orale EDb_Un-verdier, den dose i milligram pr. kg. kroppsvekt som gitt oralt er i stand til å beskytte 50% av dyrene mot død.
Acetatsaltet av den nye forbindelse 2,5-bis-(2,2,2-tri-fluorethoxy)-N-(2-piperidylmethyl)-benzamid (a) ble sammenlignet med den kjente forbindelse procainamid (b), dvs. p-amino-N-(2-diethylaminoethyl)-benzamid, med hensyn til antiarrhytmisk virkning uttrykt ved evnen til å blokkere kloroformindusert ventrikulær fibrillering hos mus. Testmetoden som ble benyttet, er beskrevet av E. H. Banitt et al. i Journal of Medical Chem., 1977, 20, Nr. 6, side 821-826. LD5Q ble beregnet på velkjent måte. Resultatene er oppført i Tabell 2.
Resultatene viser at det er langt sikrere å anvende forbindelse (a), dvs. acetatet av 2,5-bis-(2,2,2-trifluorethoxy)-N-(2-piperidylmethyl)-benzamid enn den kjente forbindelse (b), dvs. procainamid. Forbindelse (a) er en foretrukken forbindelse blant de nye forbindelser.
Ved klinisk praksis vil de foreliggende forbindelser normalt bli gitt som antiarrythmimidler oralt eller ved injeksjon i form av farmasøytiske preparater omfattende den aktive bestanddel i form av den frie base eller et av de vanlige terapeutisk akseptable salter, f.eks. acetatet eller hydrokloridet i kombinasjon med en farmasøytisk akseptabel bærer.
Bæreren kan være et fast, halvfast eller flytende for-tynningsmiddel, eller en svelgbar kapsel.
For parenteral administrering ved injeksjon anvendes fortrinnsvis en vandig oppløsning, vanligvis en saltvannsopp-løsning av et vannoppløselig farmasøytisk akseptabelt salt av den aktive forbindelse, og eventuelt også et stabiliseringsmid-del og/eller en buffer, f.eks. natriumacetat.
Videre oppviser enkelte av de angitte forbindelser også en lokalanestetisk aktivitet, f.eks. ved topisk påføring eller ved injeksjon. Den lokalanestetiske virkning er observert ved anvendelse av cornealrefleksprøven på kaniner. Denne prøve-metode er beskrevet av F.P. Luduena og J.O. Hoppe, J. Pharmacol. Ex. Therap., 104:40, 1952.
De nye N-substituerte benzamidderivater og deres i farma-søytisk henseende aksepterbare salter fremstilles ved at man omsetter en forbindelse av den generelle formel:
hvor Z er klor eller en 1,1-dihydroperfluoralkoxygruppe med 1-4 carbonatomer, og hvor R og n har de ovenfor angitte betydninger, enten (1) med en forbindelse av den generelle formel:
hvor Q, R, R' og p har de ovenfor angitte betydninger, bortsett fra at Q ikke kan være en carbon-nitrogen-binding bundet i 2-stilling i den heterocykliske ring, hvorved det erholdes en forbindelse I, hvor symbolene har de angitte betydninger, dog med nevnte begrensning for Q, eller
(2) med en forbindelse av den generelle formel:
hvor Q, R, R<1> og p har de i kravets innledning angitte betydninger, bortsett fra at R alltid er hydrogen når p er 2, hvorved det erholdes en forbindelse av den generelle formel:
hvor symbolene har de i kravets innledning angitte betydninger, bortsett fra at R alltid er hydrogen når p er 2, hvilken forbindelse IV reduseres med hydrogen i nærvær av en katalysator, hvorved det erholdes en forbindelse av formel I hvor symbolene har de i kravets innledning angitte betydninger, bortsett fra at R alltid er hydrogen når p er 2,
og en erholdt forbindelse av formel I, hvor R er hydrogen, eventuelt overføres til en forbindelse hvor R er methyl, samt at en erholdt, ønsket forbindelse av formel I eventuelt omsettes med en i farmasøytisk henseende aksepterbar syre eller base for dannelse av et salt.
Reaksjonen ifølge fremgangsmåtealternativ (1) utføres
i et inert oppløsningsmiddel slik som benzen, ethylenglycoldimethylether, toluen eller diethylether. Fortrinnsvis betegner R ikke hydrogen. Når Z er klor, anvendes fortrinnsvis en syreakseptor slik som f.eks. et tertiært amin. Når Z betegner en 1,1-dihydroperfluoralkoxygruppe, utføres reaksjonen vanligvis ved å opp-
varme reaktantene under tilbakeløpskjøling uten oppløsningsmiddel eller i et inert oppløsningsmiddel slik som ethylenglycoldi-methyletner etterfulgt av isolering av produktet.
Fremgangsmåtealternativ (2) er generelt anvendelig, men
er særlig nyttig ved fremstilling av forbindelser hvor Q betegner en carbon-nitrogen-binding i 2-stillingen.
Mellomproduktene (IV) kan fremstilles ved anvendelse av reaksjonsbetingelser som minner om betingelsene ved det ovenfor beskrevne fremgangsmåtealternativ (1), avhengig av hvorvidt Z betegner klor eller 1,1-dihydroperfluoralkoxy. De reduseres deretter selektivt katalytisk til det tilsvarende piperidin eller pyridin med formel I. Den foretrukne katalysator ved en katalytisk reduksjon er platinaoxyd. Reduksjonen utføres vanligvis under sure betingelser, f.eks. i eddiksyre som oppløsningsmiddel, i nærvær av hydrogenklorid.
Forbindelsene av formel II kan hensiktsmessig frem-
stilles ut fra de tilsvarende syrer, dvs. forbindelser med formel II hvori Z-er OH, og disse syrer er kjente, f.eks. beskrevet i US patentskrift 3 655 728. Forbindelsene hvori Z betegner klor, kan fremstilles ved tilbakeløpskjøling av syrene med et overskudd av thionylklorid i nærvær av en liten mengde dimethyl-formamid. Overskudd av thionylklorid fjernes deretter ved destil-lasjon. Forbindelsene av formel II hvori Z betegner 1,1-dihydro-perf luoralkoxy er beskrevet i US patentskrift 3 655 728 og kan fremstilles ved omsetning av hydroxy- og polyhydroxy-aromatiske syrer med alkyleringsmidler av formelen
hvor R f har den ovenfor angitte betydning, i nærvær av natrium-bicarbonat, kaliumbicarbonat eller andre metallbicarbonater i et inert oppløsningsmiddel slik som aceton. Den resulterende 1,1-dihydroperfluoralkoxysubstituerte aromatiske ester kan hydro-lyseres til den frie syre (forbindelser med formel II, hvori Z betegner OH).
Forbindelsene av formler III og HIA er generelt kjente eller kan lett fremstilles på kjent måte. Således kan forbindelsene av formel III fremstilles fra de tilsvarende forbindelser av formel HIA ved katalytisk reduksjon. Ytterligere kan visse av forbindelsene av formel III og HIA fremstilles ved reduksjon av de tilsvarende oximer, som på sin side kan fremstilles fra de tilsvarende aldehyder ved omsetning med hydroxylamin-hydroklorid.
Nedenfor illustreres fremstillingen av noen utgangsmaterialer med formel IV, hvoretter analogifremgangsmåten ifølge oppfinnelsen illustreres gjennom en rekke eksempler.
Fremstilling av utgangsmaterialer
A. En opplosning av 21,6 g (0,20 mol) 2-aminomethylpyri-
din i 200 ml ethylenglycoldimethylether ble dråpevis behandlet i 40 minutter med 40 g (0,10 mol) 2,2,2-trifluorethyl-2,5-bis-(2,2,2-trifluorethoxy)-benzoat, og den resulterende blanding
ble omrort ved 25°C i 60 timer, oppvarmet og holdt ved tilbakelopstemperaturen i ca. 1 time. Blandingen ble derefter inndampet til torrhet, triturert med vann, og det dannede produkt filtrert. Det faste stoff ble grundig vasket med vann, torket i en ovn under vakuum og omkrystallisert fra en 5:3 blanding av cyc-lohexan og carbontetraklorid efter behandling med avfarvende aktivt kull. Efter omhyggelig torking ble oppnådd 2, 5-bis-(2, 2, 2-trifluorethoxy)-N-(2- pyridylmethyl)-benzamid som et fast hvitt stoff med sm.p. 102 - 104°C.
Dette produkt ble omdannet til hydrokloridet ved omsetning i diethylether med en opplosning av hydrogenkloridgass i diethylether. Omkrystallisering av produktet fra en blanding av isopropanol og diethylether efter behandling med avfarvende aktivt kull gav et rent hvitt salt med sm.p. 190 - 193°C.
B. En opplosning av 5,64 g (0,060 mol) 3-aminopyridin, 12,1 g (0,12 mol) triethylamin og 100 ml ethylenglycoldimethy1-ether ble dråpevis behandlet med en opplosning av 20,2 g (0,060 mol) 2, 5-bis-(2, 2, 2-trif luorethoxy )-benz oylklorid i 100 ml ethylenglycoldimethylether. Den kombinerte opplosning ble omrort og oppvarmet ved tilbakelopstemperaturen i 40 timer, hvorefter den ble inndampet for å fjerne ethylenglycoldimethylethér og andre flyktige komponenter. Der ble tilsatt et overskudd av 10 % natriumhydroxyd, og oppløsningen ble ytterligere inndampet for å fjerne diethylamin. Det faste stoff ble filtrert fra, vasket med vann og torket omhyggelig i en ovn under vakuum. Det resulterende produkt 2, 5-bis-(2, 2, 2-trif luorethoxy) -N- (3-pyridyl) - benzamid ble behandlet med avfarvende aktivt kull og omkrystallisert fra en blanding av isopropanol og carbontetraklorid som fine hvite nåler med sm.p. 114 - 117°C. Analyse av produktet viste at det krystalliserer med et halvt mol carbontetraklorid pr. mol.
På tilsvarende måte ble de nedenfor angitte utgangsmaterialer medformel IV fremstillet fra 2,5-bis-(2,2,2-trifluorethoxy)-benzoesyreestere eller acylhalogenider:
Det folgende eksempel illustrerer reduksjonen av mellomproduktene av formel IV under dannelse av forbindelsene av formel I.
Eksempel 1
3,9 g (0,01 mol) 2,5-bis-(2,2,2-trifluorethoxy)-N-(3-pyridyl)-benzamid, 2,4 ml (0,02 mol), 8,4 N hydrogenklorid i isopropanol, O,2 g platinaoxyd og 100 ml eddiksyre ble ristet sammen i et Parr hydrogeneringsapparat ved ca. 25°C i 4 timer. Blandingen ble filtrert, og filtratet konsentrert ved inndamp-ning under vakuum. Residuet ble omkrystallisert fra en blanding av ethanol og isopropanol efter behandling med avfarvende aktivt kull. Produktet 2,5-bis-(2,2,2-(trifluorethoxy)-N-(3-piperidyl)-benzamidhydroklorid ble erholdt i form av hvite nåler med sm.p. 224 - 225°C.
På tilsvarende måte ble de nedenfor angitte forbindelser fremstillet:
Eksempel 8
Under nitrogenatmosfære ble 28,4 g (0,249 mol) 2-aminomethylpiperidin behandlet med 10,0 g (0,0249 mol) 2,2,2-tri-fluorethy1-2,5-bis-(2,2,2-trifluorethoxy}benzoat i lopet av 25 minutter. Efter tre timer ble 50 ml benzen tilsatt, og blandingen ble omrort i 40 timer ved 45°C. Blandingen ble derefter konsentrert under vakuum. Residuet stivnet efter avkjoling, ble vanndampdestiliert og fraskilt ved filtrering og ekstrahert med diklormethan, vasket med mettet natriumkloridopplosning,
hvorefter det organiske lag ble torket over vannfritt magnesiumsulfat. Magnesiumsulfat ble fjernet ved filtrering, og der ble tilsatt 4 ml 8,4 N hydrogenklorid i isopropanol til diklormeth-anopplosningen under omroring. Efter to timer ble blandingen avkjolt til 0°C, og det urene produkt ble oppsamlet ved filtrering, vasket med diethylether og torket i en vakuumovn. Efter behandling med avfarvende aktivt kull og omkrystallisering fra en blanding av like deler isopropanol og ethanol ble der erholdt 2, 5-bis- (2,2, 2-trif luorethoxy) -N- ( 2-piperidy lmethy 1 )-benzamid-hydroklorid; sm.p. 228 - 229°C.
Eksempel 9
På tilsvarende måte som i eksempel 8, bortsett fra at der ble anvendt ethylenglycoldimethylether i stedet for benzen, og at aminet ble tilsatt esteren, ble der fremstillet 2,5-bis-(2,2, 2- trif luorethoxy) -N- (4-piperidy lmethy l)-benzamid-hydroklorid; sm.p. 179 - 180°C.
De nedenfor angitte forbindelser ble fremstillet analogt med fremgangsmåten beskrevet i eksempel 1 eller 8.
Eksempel 18
Ut fra 2,2,2-trifluorethy1-2,5-bis-(2,2,2-trifluor-ethoxy) benzoat og 2-(1-aminoethyl)-piperidin ble der som beskrevet i eksempel 8 fremstillet 2,5-bis-(2,2,2-trifluorethoxy)-N-[l-(2-piperidyl) ethy 1 ]-benzamidsm.p. 95 - 97°C, i form av hvite krystaller.
Eksempel 19
2,5-bis-(2,2,2-trifluorethoxy)-N-(2-piperidylmethy1)-benzamid ble omsatt ved en Eschweiler-Clark reaksjon. Produktet 2,5-bis-(2,2,2-trifluorethoxy)-N-[(1-methy1-2-piperidy1)-methyl]benzamid er et hvitt fast stoff med sm.p. 99 - 102°C.
Eksempel 20
l-ethyl-2-aminomethylpiperidin ble omsatt med 2,2,2-trifluorethy1-2,5-bis-(2,2,2-trifluorethoxy)-benzoat i ethylenglycoldimethylether analogt med eksempel 8 under dannelse av den frie base i form av elfenbensfarvede nåler av 2,5-bis-(2,2,2-trifluorethoxy)-N-[(1-ethy1-2-piperidy1)-methy1]benz-amid, sm.p. 95 - 97°C.
Eksempel 21
Analogt med eksempel .8 ble 1-ethy1-2-aminomethy1-pyrrolidin omsatt med 2,2,2-trifluorethy1-2,5-bis-(2,2,2-tri-fluorethoxy)-benzoat under dannelse av 2,5-bis-(2,2,2-trifluor-ethoxy) -N-[(l-ethyl-2-pyrrolidyl)methyl]benzamid, sm.p. 78 - 80°C (fast hvitt stoff).
Eksempel 22
10 ml isopropanol ble anvendt for å opplose 2,07 g (0,005 mol) 2,5-bis-(2,2,2-trifluorethoxy)-N-(2-piperidylmeth-yl)-benzamid, og der ble tilsatt 1 ekvivalent eddiksyre opplost i 1 ml isopropanol. Ved avkjoling ble der erholdt et fast stoff som ble fraskilt ved filtrering. Produktet ble omkrystallisert fra isopropanol under dannelse av acetatet med sm.p. 145-147°C.
Tilsvarende eksempel 22 ble det fremstilt en rekke farma-søytisk akseptable salter av forbindelsen 2,5-bis-(2,2,2-tri-fluorethoxy)-N-(2-piperidylmethy1)-benzamid. Deres opploselig-het og smeltepunktdata fremgår av den étterfulgende tabell IV.
Eksempel 3 2
En blanding av 2,7 g (0,0063 mol) findelt 2,5-bis-(2,2,2- trif luorethoxy) -N- [ (1-methy 1-2-piper idy l)-methy 1 ] -benz-amid og 6 ml methyljodid ble oppvarmet til 56 - 57°C i et for-seglet ror i ca. 90 minutter. Blandingen ble ekstrahert med methanol, og methanolekstraktene ble konsentrert til et kry-stallinsk fast stoff som ble omkrystallisert fra 50 ml ethyl-acetat og 2 ml isopropanol efter behandling med avfarvende aktivt kull. Det resulterende produkt 2-[2,5-bis-(2,2,2-triflu-orethoxy )-benzamidomethyl]-l, 1-dimethylpiperidinium-jodid ble torket. Sm.p. 170 - 172,5°C.
Eksempel 3 3
Analogt med eksempel 32 ble 2,5-bis-( 2,2,2-trifluor-ethoxy-N- [ (1-ethy l-2-piperidyl)-methyl }-benzamid omsatt med meth-jodid under dannelse av 2- [2, 5-bis-(2, 2, 2-trif luorethoxy )-benz-amidomethyl]-1-ethy1-1-methy1-piperidinium-jodid, et fast hvitt stoff med sm.p. 162 - 165°C.
Claims (2)
1. Analogifremgangsmåte ved fremstilling av terapeutisk virksomme N-substituerte benzamidderivater av den generelle formel:
hvor R, betegner en perfluoralkylgruppe med 1-3 carbonatomer,
n er 1, 2 eller 3, p er 1 eller 2, Q er en carbon-nitrogen-binding, methylen eller methylmethylen, og R og R<1> er hydrogen eller methyl, og i farmasøytisk henseende aksepterbare salter derav, karakterisert ved at man omsetter en forbindelse av den generelle formel:
hvor Z er klor eller en 1,1-dihydroperfluoralkoxygruppe med 1-4 carbonatomer, og hvor Rf og n har de ovenfor angitte betydninger, enten
(1) med en forbindelse av den generelle formel:
hvor Q, R, R' og p har de ovenfor angitte betydninger, bortsett fra at Q ikke kan være en carbon-nitrogenbinding bundet i 2-stilling i den heterocykliske ring, hvorved det erholdes en forbindelse I, hvor symbolene har de angitte betydninger, dog med nevnte begrensning for Q, eller (2) med en forbindelse av den generelle formel:
hvor Q, R, R' og p har de i kravets innledning angitte betydninger, bortsett fra at R alltid er hydrogen når p er 2, hvorved det erholdes en forbindelse av den generelle formel:
hvor symbolene har de i kravets innledning angitte betydninger, bortsett fra at R alltid er hydrogen når p er 2, hvilken forbindelse IV reduseres med hydrogen i nærvær av en katalysator, hvorved det erholdes en forbindelse av formel I hvor symbolene har de i kravets innledning angitte betydninger, bortsett fra at R alltid er hydrogen når p er 2,
og en erholdt forbindelse av formel I, hvor R er hydrogen, eventuelt overføres til en forbindelse hvor R er methyl, samt at en erholdt, ønsket forbindelse av formel I eventuelt omsettes med en i farmasøytisk henseende aksepterbar syre eller base for dannelse av et salt.
2. Analogifremgangsmåte ifølge krav 1, for fremstilling av acetatet av 2,5-bis-(2,2,2-trifluorethoxy)-N-(2-piperidyl-methyl)-benzamid, karakterisert ved at man omsetter en forbindelse av formelen:
hvor Z har den i krav 1 angitte betydning, enten
(1) med 2-aminomethylpiperidin, eller
(2) med 2-aminomethylpyridin, hvoretter det erholdte 2,5-bis-(2,2,2-trifluorethoxy)-N-(2-pyridylmethyl)-benzamid reduseres med hydrogen,
og det ved alternativ (1) eller (2) erholdte 2,5-bis-(2,2,2-trifluorethoxy)-N-(2-piperidylmethyl)-benzamid over-føres til acetatet.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US457099A US3900481A (en) | 1974-04-01 | 1974-04-01 | Derivatives of pyrrolidine and piperidine |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO750976L NO750976L (no) | 1975-10-02 |
| NO144262B true NO144262B (no) | 1981-04-21 |
| NO144262C NO144262C (no) | 1981-07-29 |
Family
ID=23815433
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO750976A NO144262C (no) | 1974-04-01 | 1975-03-21 | Analogifremgangsmaate ved fremstilling av terapeutisk virksomme n-substituerte benzamidderivater |
Country Status (22)
| Country | Link |
|---|---|
| US (1) | US3900481A (no) |
| JP (2) | JPS5827268B2 (no) |
| AR (1) | AR210990A1 (no) |
| BE (1) | BE827354A (no) |
| CA (1) | CA1054602A (no) |
| CH (1) | CH618425A5 (no) |
| CS (1) | CS209846B2 (no) |
| DE (1) | DE2513916C2 (no) |
| DK (1) | DK158980C (no) |
| ES (1) | ES435870A1 (no) |
| FR (1) | FR2265366B1 (no) |
| GB (1) | GB1508015A (no) |
| HU (1) | HU169762B (no) |
| IE (1) | IE41224B1 (no) |
| IL (1) | IL46967A (no) |
| NL (1) | NL186633C (no) |
| NO (1) | NO144262C (no) |
| OA (1) | OA04912A (no) |
| PL (1) | PL95576B1 (no) |
| SE (1) | SE391336B (no) |
| SU (1) | SU668599A3 (no) |
| ZA (1) | ZA751040B (no) |
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| US4197243A (en) * | 1975-04-02 | 1980-04-08 | Yamanouchi Pharmaceutical Co., Ltd. | N-1-Benzyl-3-pyrrolidinyl-4-dimethylamino benzamide derivatives |
| GB1520584A (en) * | 1975-04-02 | 1978-08-09 | Yamanouchi Pharma Co Ltd | 2 - alkoxy - 5 substituted benzamide derivatives and their use in pharmaceutical compositions |
| US4093734A (en) * | 1975-11-03 | 1978-06-06 | Boehringer Ingelheim Gmbh | Amino-benzoic acid amides |
| US4071524A (en) * | 1976-11-08 | 1978-01-31 | Riker Laboratories, Inc. | Derivatives of urea |
| US4097481A (en) * | 1976-11-08 | 1978-06-27 | Riker Laboratories, Inc. | Tertiary amide derivatives of pyrrolidine and piperidine |
| US4617396A (en) * | 1979-03-19 | 1986-10-14 | Riker Laboratories, Inc. | Process for the preparation of derivatives of piperidine |
| US4642384A (en) * | 1979-03-19 | 1987-02-10 | Riker Laboratories, Inc. | Process for the preparation of derivatives of pyrrolidine and piperidine |
| US4684733A (en) * | 1979-03-19 | 1987-08-04 | Riker Laboratories, Inc. | Process for the preparation of intermediates of derivatives of pyrrolidine and piperidine |
| ZA801565B (en) * | 1979-03-19 | 1981-05-27 | Riker Laboratories Inc | Process for the preparation of 2,5-bis(2,2,2-trifluoroethoxy)-n-(2-piperidylmethyl)benzamide |
| GB2097000B (en) | 1979-03-19 | 1983-11-30 | Riker Laboratories Inc | Process for the preparation of 1,4-bis(2,2,2-trifluoroethoxy) benzene |
| US4339587A (en) * | 1981-06-08 | 1982-07-13 | Riker Laboratories, Inc. | 5-Benzyloxy or 5-hydroxy-2-(2,2,2-trifluoroethoxy)-N-(2-pyridylmethyl)benzamide |
| US4452983A (en) * | 1981-06-08 | 1984-06-05 | Riker Laboratories, Inc. | Phenolic derivative |
| US4390716A (en) * | 1981-06-08 | 1983-06-28 | Riker Laboratories, Inc. | Phenolic derivative |
| JPS5970666A (ja) * | 1982-10-15 | 1984-04-21 | Kyowa Hakko Kogyo Co Ltd | 1,4−ジヒドロピリジン誘導体 |
| US4497954A (en) * | 1983-11-15 | 1985-02-05 | Riker Laboratories, Inc. | Cyclopentanone derivatives |
| US4496734A (en) * | 1983-11-15 | 1985-01-29 | Riker Laboratories, Inc. | Metabolite |
| US4555573A (en) * | 1983-11-15 | 1985-11-26 | Riker Laboratories, Inc. | Certain 6-benzamidomethyl-2(1H)-pyridone derivatives |
| US4599434A (en) * | 1983-11-15 | 1986-07-08 | Riker Laboratories, Inc. | Cyclopentanone derivatives |
| US4656285A (en) * | 1983-11-15 | 1987-04-07 | Riker Laboratories, Inc. | Compound 2-acetamidomethyl-6-methoxy-pyridine |
| DE3786037T2 (de) * | 1986-04-25 | 1993-11-25 | Abbott Lab | Tracer zur Benutzung in immunologischen Fluoreszenz-Polarisationsverfahren zum Nachweis von Flecainid. |
| US5336622A (en) * | 1986-04-25 | 1994-08-09 | Abbott Laboratories | Tracers for use in flecainide fluorescence polarization immunoassay |
| NZ219913A (en) * | 1986-04-25 | 1990-08-28 | Riker Laboratories Inc | Various flecainide derivatives and antibodies raised thereto |
| US4952574A (en) * | 1988-09-26 | 1990-08-28 | Riker Laboratories, Inc. | Antiarrhythmic substituted N-(2-piperidylmethyl)benzamides |
| US4938966A (en) * | 1988-11-30 | 1990-07-03 | Riker Laboratories, Inc. | Controlled release flecainide acetate formulation |
| US5254569A (en) * | 1991-01-14 | 1993-10-19 | The Du Pont Merck Pharmaceutical Company | (Amidomethyl)nitrogen heterocyclic analgesics |
| IL121288A (en) * | 1997-07-11 | 2000-10-31 | Finetech Ltd | Process and a novel intermediate for the preparation of flecainide |
| ITMI20011772A1 (it) * | 2001-08-10 | 2003-02-10 | A M S A Anonima Materie Sint E | Processo per la preparazione della 2,5-bis-(2,2,2-trifluoroetossi)-n-(2-piperidilmetil)-benzamide(flecainide) |
| EP1500651A1 (en) * | 2003-07-25 | 2005-01-26 | Bayer CropScience S.A. | N-[2-(2-Pyridinyl)ethyl]benzamide compounds and their use as fungicides |
| US7196197B2 (en) * | 2003-09-17 | 2007-03-27 | Apotex Pharmachem Inc. | Process for the preparation of Flecainide, its pharmaceutically acceptable salts and important intermediates thereof |
| EP1918280A1 (en) * | 2006-11-06 | 2008-05-07 | "Joint Stock Company Grindeks" | Process for the preparation of 2,5-bis-(2,2,2-trifluoroethoxy)-N-(2-piperidylmethyl)-benzamide and salts thereof |
| EP2446903B1 (en) | 2006-11-20 | 2019-10-09 | President and Fellows of Harvard College | Compositions for treating itch |
| JP4946482B2 (ja) | 2007-02-08 | 2012-06-06 | 船井電機株式会社 | 緩衝用梱包材及びtv受像機の緩衝用梱包材 |
| US20120172429A1 (en) | 2009-07-10 | 2012-07-05 | Woolf Clifford J | Permanently charged sodium and calcium channel blockers as anti- inflammatory agents |
| US11021443B2 (en) | 2015-08-03 | 2021-06-01 | President And Fellows Of Harvard College | Charged ion channel blockers and methods for use |
| US10786485B1 (en) | 2019-03-11 | 2020-09-29 | Nocion Therapeutics, Inc. | Charged ion channel blockers and methods for use |
| JP7692834B2 (ja) | 2019-03-11 | 2025-06-16 | ノシオン セラピューティクス,インコーポレイテッド | 荷電したイオンチャンネル遮断薬および使用方法 |
| CA3129111A1 (en) | 2019-03-11 | 2020-09-17 | Bridget M. Cole | Charged ion channel blockers and methods for use |
| MA55320A (fr) | 2019-03-11 | 2022-01-19 | Nocion Therapeutics Inc | Bloqueurs de canaux ioniques substitués par un ester et méthodes d'utilisation |
| US10780083B1 (en) | 2019-03-11 | 2020-09-22 | Nocion Therapeutics, Inc. | Charged ion channel blockers and methods for use |
| US10933055B1 (en) | 2019-11-06 | 2021-03-02 | Nocion Therapeutics, Inc. | Charged ion channel blockers and methods for use |
| CN114828845A (zh) | 2019-11-06 | 2022-07-29 | 诺西恩医疗公司 | 带电的离子通道阻滞剂及其使用方法 |
| EP4118070A4 (en) | 2020-03-11 | 2024-04-10 | Nocion Therapeutics, Inc. | Charged ion channel blockers and methods for use |
| US12162851B2 (en) | 2020-03-11 | 2024-12-10 | Nocion Therapeutics, Inc. | Charged ion channel blockers and methods for use |
| WO2024132080A1 (en) | 2022-12-22 | 2024-06-27 | Colonis Pharma Ltd | Liquid pharmaceutical composition containing flecainide and process for the preparaton thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR6209M (no) * | 1967-04-03 | 1968-07-29 | ||
| US3719687A (en) * | 1970-07-22 | 1973-03-06 | Riker Laboratories Inc | N-(2-dialkylaminoalkylene)amides of 1,1-dihydroperfluoroalkoxy-substituted aryl acids and salts thereof |
| US3655728A (en) * | 1970-07-22 | 1972-04-11 | Riker Laboratories Inc | N-(2 - dialkylaminoalkylene)-esters of fluoroalkoxy-substituted aryl carboxylic acid and salts thereof |
-
1974
- 1974-04-01 US US457099A patent/US3900481A/en not_active Expired - Lifetime
-
1975
- 1975-02-19 ZA ZA00751040A patent/ZA751040B/xx unknown
- 1975-03-21 NL NLAANVRAGE7503389,A patent/NL186633C/xx not_active IP Right Cessation
- 1975-03-21 DK DK119675A patent/DK158980C/da active
- 1975-03-21 SE SE7503262A patent/SE391336B/xx active Protection Beyond IP Right Term
- 1975-03-21 NO NO750976A patent/NO144262C/no unknown
- 1975-03-21 ES ES435870A patent/ES435870A1/es not_active Expired
- 1975-03-27 CH CH403075A patent/CH618425A5/de not_active IP Right Cessation
- 1975-03-27 DE DE2513916A patent/DE2513916C2/de not_active Expired
- 1975-03-27 GB GB13027/75A patent/GB1508015A/en not_active Expired
- 1975-03-27 IE IE700/75A patent/IE41224B1/xx unknown
- 1975-03-27 CA CA223241A patent/CA1054602A/en not_active Expired
- 1975-03-27 OA OA55453A patent/OA04912A/xx unknown
- 1975-03-28 HU HURI561A patent/HU169762B/hu unknown
- 1975-03-28 BE BE154920A patent/BE827354A/xx active Protection Beyond IP Right Term
- 1975-03-28 FR FR7509953A patent/FR2265366B1/fr not_active Expired
- 1975-03-28 CS CS752168A patent/CS209846B2/cs unknown
- 1975-03-31 AR AR258179A patent/AR210990A1/es active
- 1975-03-31 SU SU752117802A patent/SU668599A3/ru active
- 1975-03-31 IL IL46967A patent/IL46967A/xx unknown
- 1975-03-31 JP JP50039035A patent/JPS5827268B2/ja not_active Expired
- 1975-04-01 PL PL1975179258A patent/PL95576B1/pl unknown
-
1982
- 1982-08-27 JP JP57149020A patent/JPS5858347B2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DK158980B (da) | 1990-08-13 |
| NL186633B (nl) | 1990-08-16 |
| ES435870A1 (es) | 1976-12-16 |
| US3900481A (en) | 1975-08-19 |
| IL46967A0 (en) | 1975-05-22 |
| BE827354A (fr) | 1975-09-29 |
| JPS5865268A (ja) | 1983-04-18 |
| HU169762B (no) | 1977-02-28 |
| DK158980C (da) | 1991-01-07 |
| JPS5827268B2 (ja) | 1983-06-08 |
| CH618425A5 (no) | 1980-07-31 |
| JPS50137975A (no) | 1975-11-01 |
| DK119675A (no) | 1975-10-02 |
| DE2513916A1 (de) | 1975-10-09 |
| NO750976L (no) | 1975-10-02 |
| FR2265366B1 (no) | 1980-01-11 |
| SE7503262L (no) | 1975-10-02 |
| IE41224L (en) | 1975-10-01 |
| CS209846B2 (en) | 1981-12-31 |
| IL46967A (en) | 1978-09-29 |
| NO144262C (no) | 1981-07-29 |
| JPS5858347B2 (ja) | 1983-12-24 |
| GB1508015A (en) | 1978-04-19 |
| SE391336B (sv) | 1977-02-14 |
| NL186633C (nl) | 1991-01-16 |
| OA04912A (fr) | 1980-10-31 |
| AU7957875A (en) | 1976-09-30 |
| PL95576B1 (pl) | 1977-10-31 |
| ZA751040B (en) | 1976-01-28 |
| SU668599A3 (ru) | 1979-06-15 |
| CA1054602A (en) | 1979-05-15 |
| DE2513916C2 (de) | 1982-12-23 |
| FR2265366A1 (no) | 1975-10-24 |
| AR210990A1 (es) | 1977-10-14 |
| IE41224B1 (en) | 1979-11-21 |
| NL7503389A (nl) | 1975-10-03 |
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