CH501592A - Verfahren zur Herstellung von 2-(substituierten-Benzyl)-cyanessigsäureestern - Google Patents
Verfahren zur Herstellung von 2-(substituierten-Benzyl)-cyanessigsäureesternInfo
- Publication number
- CH501592A CH501592A CH1148369A CH1148369A CH501592A CH 501592 A CH501592 A CH 501592A CH 1148369 A CH1148369 A CH 1148369A CH 1148369 A CH1148369 A CH 1148369A CH 501592 A CH501592 A CH 501592A
- Authority
- CH
- Switzerland
- Prior art keywords
- cyanoacetate
- acetamido
- ethyl
- dimethoxybenzyl
- benzyl
- Prior art date
Links
- 150000001371 alpha-amino acids Chemical class 0.000 title abstract 2
- 235000008206 alpha-amino acids Nutrition 0.000 title abstract 2
- 125000000217 alkyl group Chemical group 0.000 claims abstract description 14
- 238000002360 preparation method Methods 0.000 claims abstract description 14
- 150000003839 salts Chemical class 0.000 claims abstract description 4
- 239000002253 acid Substances 0.000 claims abstract description 3
- -1 2-acetamido (3,4-dimethoxybenzyl) -3 hydroxypropionitrile Chemical compound 0.000 claims description 35
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 33
- 150000001875 compounds Chemical class 0.000 claims description 21
- 239000002904 solvent Substances 0.000 claims description 18
- 238000000034 method Methods 0.000 claims description 16
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 12
- 239000001257 hydrogen Substances 0.000 claims description 12
- 229910052739 hydrogen Inorganic materials 0.000 claims description 12
- 238000006243 chemical reaction Methods 0.000 claims description 11
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 11
- KEAYESYHFKHZAL-UHFFFAOYSA-N Sodium Chemical compound [Na] KEAYESYHFKHZAL-UHFFFAOYSA-N 0.000 claims description 9
- 229910000104 sodium hydride Inorganic materials 0.000 claims description 9
- 239000012312 sodium hydride Substances 0.000 claims description 9
- MLIREBYILWEBDM-UHFFFAOYSA-M 2-cyanoacetate Chemical compound [O-]C(=O)CC#N MLIREBYILWEBDM-UHFFFAOYSA-M 0.000 claims description 8
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 8
- WWHJLVMBXXXUFO-UHFFFAOYSA-N 4-(chloromethyl)-1,2-dimethoxybenzene Chemical compound COC1=CC=C(CCl)C=C1OC WWHJLVMBXXXUFO-UHFFFAOYSA-N 0.000 claims description 7
- 125000000325 methylidene group Chemical group [H]C([H])=* 0.000 claims description 7
- 230000008020 evaporation Effects 0.000 claims description 6
- 238000001704 evaporation Methods 0.000 claims description 6
- 239000011541 reaction mixture Substances 0.000 claims description 6
- BTBUEUYNUDRHOZ-UHFFFAOYSA-N Borate Chemical compound [O-]B([O-])[O-] BTBUEUYNUDRHOZ-UHFFFAOYSA-N 0.000 claims description 5
- 125000002777 acetyl group Chemical group [H]C([H])([H])C(*)=O 0.000 claims description 5
- 125000002485 formyl group Chemical group [H]C(*)=O 0.000 claims description 5
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 5
- RHSDXCOQYKTTHZ-UHFFFAOYSA-N 2-(butanoylamino)-2-cyanoacetic acid Chemical compound CCCC(=O)NC(C#N)C(O)=O RHSDXCOQYKTTHZ-UHFFFAOYSA-N 0.000 claims description 4
- 239000012448 Lithium borohydride Substances 0.000 claims description 4
- 229910052783 alkali metal Inorganic materials 0.000 claims description 4
- 150000001340 alkali metals Chemical class 0.000 claims description 4
- 239000000460 chlorine Substances 0.000 claims description 4
- 229910052801 chlorine Inorganic materials 0.000 claims description 4
- 239000000284 extract Substances 0.000 claims description 4
- 239000000203 mixture Substances 0.000 claims description 4
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 claims description 4
- 125000000286 phenylethyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])C([H])([H])* 0.000 claims description 4
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 4
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical group [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims description 3
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 3
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Chemical group BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims description 3
- 229910052794 bromium Chemical group 0.000 claims description 3
- 125000001309 chloro group Chemical group Cl* 0.000 claims description 3
- MLIREBYILWEBDM-UHFFFAOYSA-N cyanoacetic acid Chemical class OC(=O)CC#N MLIREBYILWEBDM-UHFFFAOYSA-N 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 229910052700 potassium Inorganic materials 0.000 claims description 3
- 239000011591 potassium Substances 0.000 claims description 3
- 238000010992 reflux Methods 0.000 claims description 3
- 239000012442 inert solvent Substances 0.000 claims description 2
- 229910000033 sodium borohydride Inorganic materials 0.000 claims description 2
- 239000012279 sodium borohydride Substances 0.000 claims description 2
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims 5
- 230000001419 dependent effect Effects 0.000 claims 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 abstract description 5
- 239000000543 intermediate Substances 0.000 abstract description 4
- 206010020772 Hypertension Diseases 0.000 abstract description 2
- 239000002220 antihypertensive agent Substances 0.000 abstract description 2
- 229940030600 antihypertensive agent Drugs 0.000 abstract description 2
- 230000015572 biosynthetic process Effects 0.000 abstract 2
- 238000003786 synthesis reaction Methods 0.000 abstract 2
- 241000124008 Mammalia Species 0.000 abstract 1
- 125000003545 alkoxy group Chemical group 0.000 abstract 1
- 239000003954 decarboxylase inhibitor Substances 0.000 abstract 1
- 239000005555 hypertensive agent Substances 0.000 abstract 1
- 125000001570 methylene group Chemical group [H]C([H])([*:1])[*:2] 0.000 abstract 1
- 150000007522 mineralic acids Chemical class 0.000 abstract 1
- 150000007524 organic acids Chemical class 0.000 abstract 1
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 abstract 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 14
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 10
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 7
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 7
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 6
- 150000002431 hydrogen Chemical class 0.000 description 6
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 6
- 239000000047 product Substances 0.000 description 6
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 5
- 238000001816 cooling Methods 0.000 description 5
- 229910052943 magnesium sulfate Inorganic materials 0.000 description 5
- 235000019341 magnesium sulphate Nutrition 0.000 description 5
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 4
- 235000001014 amino acid Nutrition 0.000 description 4
- 150000001413 amino acids Chemical class 0.000 description 4
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 4
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 3
- 229960000583 acetic acid Drugs 0.000 description 3
- RCUIWQWWDLZNMS-UHFFFAOYSA-N benzyl 2-cyanoacetate Chemical compound N#CCC(=O)OCC1=CC=CC=C1 RCUIWQWWDLZNMS-UHFFFAOYSA-N 0.000 description 3
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 3
- ZIUSEGSNTOUIPT-UHFFFAOYSA-N ethyl 2-cyanoacetate Chemical compound CCOC(=O)CC#N ZIUSEGSNTOUIPT-UHFFFAOYSA-N 0.000 description 3
- 235000019253 formic acid Nutrition 0.000 description 3
- SFLSHLFXELFNJZ-QMMMGPOBSA-N (-)-norepinephrine Chemical compound NC[C@H](O)C1=CC=C(O)C(O)=C1 SFLSHLFXELFNJZ-QMMMGPOBSA-N 0.000 description 2
- UAWVMPOAIVZWFQ-UHFFFAOYSA-N 1-(chloromethyl)-2-methoxybenzene Chemical compound COC1=CC=CC=C1CCl UAWVMPOAIVZWFQ-UHFFFAOYSA-N 0.000 description 2
- HIXDQWDOVZUNNA-UHFFFAOYSA-N 2-(3,4-dimethoxyphenyl)-5-hydroxy-7-methoxychromen-4-one Chemical compound C=1C(OC)=CC(O)=C(C(C=2)=O)C=1OC=2C1=CC=C(OC)C(OC)=C1 HIXDQWDOVZUNNA-UHFFFAOYSA-N 0.000 description 2
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical class [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 2
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 2
- 102000004190 Enzymes Human genes 0.000 description 2
- 108090000790 Enzymes Proteins 0.000 description 2
- CPELXLSAUQHCOX-UHFFFAOYSA-N Hydrogen bromide Chemical compound Br CPELXLSAUQHCOX-UHFFFAOYSA-N 0.000 description 2
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 description 2
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical class [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 2
- 235000004279 alanine Nutrition 0.000 description 2
- 150000001295 alanines Chemical class 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 239000012736 aqueous medium Substances 0.000 description 2
- HUMNYLRZRPPJDN-UHFFFAOYSA-N benzaldehyde Chemical compound O=CC1=CC=CC=C1 HUMNYLRZRPPJDN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- ZYZWOSIRFVIBRH-UHFFFAOYSA-N chloroform;cyclohexane Chemical compound ClC(Cl)Cl.C1CCCCC1 ZYZWOSIRFVIBRH-UHFFFAOYSA-N 0.000 description 2
- 239000012043 crude product Substances 0.000 description 2
- 238000006114 decarboxylation reaction Methods 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N ether Substances CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 239000012259 ether extract Substances 0.000 description 2
- 239000000706 filtrate Substances 0.000 description 2
- ZHNUHDYFZUAESO-UHFFFAOYSA-N formamide Substances NC=O ZHNUHDYFZUAESO-UHFFFAOYSA-N 0.000 description 2
- 239000012362 glacial acetic acid Substances 0.000 description 2
- 150000004678 hydrides Chemical class 0.000 description 2
- 230000033444 hydroxylation Effects 0.000 description 2
- 238000005805 hydroxylation reaction Methods 0.000 description 2
- 239000005457 ice water Substances 0.000 description 2
- 239000000155 melt Substances 0.000 description 2
- 229960002748 norepinephrine Drugs 0.000 description 2
- SFLSHLFXELFNJZ-UHFFFAOYSA-N norepinephrine Natural products NCC(O)C1=CC=C(O)C(O)=C1 SFLSHLFXELFNJZ-UHFFFAOYSA-N 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- OCJMNSVWIYIHRK-UHFFFAOYSA-N pentyl 2-cyanoacetate Chemical compound CCCCCOC(=O)CC#N OCJMNSVWIYIHRK-UHFFFAOYSA-N 0.000 description 2
- 229910052708 sodium Inorganic materials 0.000 description 2
- 239000011734 sodium Substances 0.000 description 2
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 description 2
- 239000007858 starting material Substances 0.000 description 2
- 229910052725 zinc Inorganic materials 0.000 description 2
- 239000011701 zinc Substances 0.000 description 2
- CDXSAEUWBWZFND-UHFFFAOYSA-N (N-hydroxy-C-methylcarbonimidoyl) 2-cyanoacetate Chemical compound ON=C(C)OC(=O)CC#N CDXSAEUWBWZFND-UHFFFAOYSA-N 0.000 description 1
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- CWRVBZVYRVMXHZ-UHFFFAOYSA-N 1-(chloromethyl)-2-propoxybenzene Chemical compound CCCOC1=CC=CC=C1CCl CWRVBZVYRVMXHZ-UHFFFAOYSA-N 0.000 description 1
- ALSMPEGZYYZBDC-UHFFFAOYSA-N 1-(chloromethyl)-3-ethoxybenzene Chemical compound CCOC1=CC=CC(CCl)=C1 ALSMPEGZYYZBDC-UHFFFAOYSA-N 0.000 description 1
- VGISFWWEOGVMED-UHFFFAOYSA-N 1-(chloromethyl)-3-methoxybenzene Chemical compound COC1=CC=CC(CCl)=C1 VGISFWWEOGVMED-UHFFFAOYSA-N 0.000 description 1
- MOHYOXXOKFQHDC-UHFFFAOYSA-N 1-(chloromethyl)-4-methoxybenzene Chemical compound COC1=CC=C(CCl)C=C1 MOHYOXXOKFQHDC-UHFFFAOYSA-N 0.000 description 1
- VDOPPUPAYILRDO-UHFFFAOYSA-N 1-(chloromethyl)-4-propoxybenzene Chemical compound CCCOC1=CC=C(CCl)C=C1 VDOPPUPAYILRDO-UHFFFAOYSA-N 0.000 description 1
- AUESJGZPPPVYJZ-UHFFFAOYSA-N 2-(chloromethyl)phenol Chemical compound OC1=CC=CC=C1CCl AUESJGZPPPVYJZ-UHFFFAOYSA-N 0.000 description 1
- YRDRLZUCWMJXLS-UHFFFAOYSA-N 2-acetamido-2-cyanoacetic acid Chemical compound CC(=O)NC(C#N)C(O)=O YRDRLZUCWMJXLS-UHFFFAOYSA-N 0.000 description 1
- MPFJWJUGEVCTCH-UHFFFAOYSA-N 2-cyano-2-(pentanoylamino)acetic acid Chemical compound CCCCC(=O)NC(C#N)C(O)=O MPFJWJUGEVCTCH-UHFFFAOYSA-N 0.000 description 1
- NZMIRLKHMFERSX-UHFFFAOYSA-N 2-phenylethyl 2-cyanoacetate Chemical compound N#CCC(=O)OCCC1=CC=CC=C1 NZMIRLKHMFERSX-UHFFFAOYSA-N 0.000 description 1
- ZFIKJVXBLFGISQ-UHFFFAOYSA-N 3-(chloromethyl)phenol Chemical compound OC1=CC=CC(CCl)=C1 ZFIKJVXBLFGISQ-UHFFFAOYSA-N 0.000 description 1
- DDAGFZBQVSGXJN-UHFFFAOYSA-N 4-(chloromethyl)-1,2-bis(phenylmethoxy)benzene Chemical compound C=1C=CC=CC=1COC1=CC(CCl)=CC=C1OCC1=CC=CC=C1 DDAGFZBQVSGXJN-UHFFFAOYSA-N 0.000 description 1
- MEHGVKVNAGPEOR-UHFFFAOYSA-N 4-(chloromethyl)-1,2-dipentoxybenzene Chemical compound C(CCCC)OC=1C=C(CCl)C=CC1OCCCCC MEHGVKVNAGPEOR-UHFFFAOYSA-N 0.000 description 1
- JGGVURIWXXKWJS-UHFFFAOYSA-N 4-(chloromethyl)-2-ethoxyphenol Chemical compound CCOC1=CC(CCl)=CC=C1O JGGVURIWXXKWJS-UHFFFAOYSA-N 0.000 description 1
- FOULXTLTJQHXDH-UHFFFAOYSA-N 4-(chloromethyl)-2-methoxyphenol Chemical compound COC1=CC(CCl)=CC=C1O FOULXTLTJQHXDH-UHFFFAOYSA-N 0.000 description 1
- NNVPWGAAGKAPKD-UHFFFAOYSA-N 4-(chloromethyl)benzene-1,2-diol Chemical compound OC1=CC=C(CCl)C=C1O NNVPWGAAGKAPKD-UHFFFAOYSA-N 0.000 description 1
- SSIMHHUMYMHNID-UHFFFAOYSA-N 4-(chloromethyl)phenol Chemical compound OC1=CC=C(CCl)C=C1 SSIMHHUMYMHNID-UHFFFAOYSA-N 0.000 description 1
- DWSUJONSJJTODA-UHFFFAOYSA-N 5-(chloromethyl)-1,3-benzodioxole Chemical compound ClCC1=CC=C2OCOC2=C1 DWSUJONSJJTODA-UHFFFAOYSA-N 0.000 description 1
- HULZEGRCEDSRBC-UHFFFAOYSA-N 5-(chloromethyl)-2-ethoxyphenol Chemical compound OC=1C=C(CCl)C=CC1OCC HULZEGRCEDSRBC-UHFFFAOYSA-N 0.000 description 1
- LTUZKIDUBAFOGJ-UHFFFAOYSA-N 5-(chloromethyl)-2-methoxyphenol Chemical compound COC1=CC=C(CCl)C=C1O LTUZKIDUBAFOGJ-UHFFFAOYSA-N 0.000 description 1
- 241000283690 Bos taurus Species 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 description 1
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- FYYHWMGAXLPEAU-UHFFFAOYSA-N Magnesium Chemical compound [Mg] FYYHWMGAXLPEAU-UHFFFAOYSA-N 0.000 description 1
- RGBGSFYSCKPRNT-UHFFFAOYSA-N N#CC(C(O)=O)NC(CCC1=CC=CC=C1)=O Chemical compound N#CC(C(O)=O)NC(CCC1=CC=CC=C1)=O RGBGSFYSCKPRNT-UHFFFAOYSA-N 0.000 description 1
- RNMRLZYZLZQTLN-UHFFFAOYSA-N [chloro(propoxy)methyl]benzene Chemical compound CCCOC(Cl)C1=CC=CC=C1 RNMRLZYZLZQTLN-UHFFFAOYSA-N 0.000 description 1
- 125000005233 alkylalcohol group Chemical group 0.000 description 1
- 239000006286 aqueous extract Substances 0.000 description 1
- 239000003849 aromatic solvent Substances 0.000 description 1
- 235000015278 beef Nutrition 0.000 description 1
- 150000001555 benzenes Chemical class 0.000 description 1
- 229940073608 benzyl chloride Drugs 0.000 description 1
- 150000005524 benzylchlorides Chemical class 0.000 description 1
- 230000036772 blood pressure Effects 0.000 description 1
- 230000037396 body weight Effects 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 239000005515 coenzyme Substances 0.000 description 1
- 239000013078 crystal Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 239000006185 dispersion Substances 0.000 description 1
- 239000000839 emulsion Substances 0.000 description 1
- 230000002255 enzymatic effect Effects 0.000 description 1
- 150000002170 ethers Chemical class 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000037406 food intake Effects 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 229910000042 hydrogen bromide Inorganic materials 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 210000003734 kidney Anatomy 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 210000004185 liver Anatomy 0.000 description 1
- 239000011777 magnesium Substances 0.000 description 1
- 229910052749 magnesium Inorganic materials 0.000 description 1
- 230000003211 malignant effect Effects 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
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 235000010446 mineral oil Nutrition 0.000 description 1
- 230000003472 neutralizing effect Effects 0.000 description 1
- QNGNSVIICDLXHT-UHFFFAOYSA-N para-ethylbenzaldehyde Natural products CCC1=CC=C(C=O)C=C1 QNGNSVIICDLXHT-UHFFFAOYSA-N 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 235000015277 pork Nutrition 0.000 description 1
- NLFIMXLLXGTDME-UHFFFAOYSA-N propyl 2-cyanoacetate Chemical compound CCCOC(=O)CC#N NLFIMXLLXGTDME-UHFFFAOYSA-N 0.000 description 1
- NGVDGCNFYWLIFO-UHFFFAOYSA-N pyridoxal 5'-phosphate Chemical compound CC1=NC=C(COP(O)(O)=O)C(C=O)=C1O NGVDGCNFYWLIFO-UHFFFAOYSA-N 0.000 description 1
- 229960001327 pyridoxal phosphate Drugs 0.000 description 1
- 235000010288 sodium nitrite Nutrition 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C255/00—Carboxylic acid nitriles
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D317/00—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms
- C07D317/08—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3
- C07D317/44—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 ortho- or peri-condensed with carbocyclic rings or ring systems
- C07D317/46—Heterocyclic compounds containing five-membered rings having two oxygen atoms as the only ring hetero atoms having the hetero atoms in positions 1 and 3 ortho- or peri-condensed with carbocyclic rings or ring systems condensed with one six-membered ring
- C07D317/48—Methylenedioxybenzenes or hydrogenated methylenedioxybenzenes, unsubstituted on the hetero ring
- C07D317/50—Methylenedioxybenzenes or hydrogenated methylenedioxybenzenes, unsubstituted on the hetero ring with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to atoms of the carbocyclic ring
- C07D317/60—Radicals substituted by carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US350111A US3395176A (en) | 1964-03-06 | 1964-03-06 | Alpha-hydroxymethylphenylalanine compounds |
| CH292465A CH478094A (de) | 1964-03-06 | 1965-03-03 | Verfahren zur Herstellung neuer a-Aminosäuren |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH501592A true CH501592A (de) | 1971-01-15 |
Family
ID=23375286
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH1148369A CH501592A (de) | 1964-03-06 | 1965-03-03 | Verfahren zur Herstellung von 2-(substituierten-Benzyl)-cyanessigsäureestern |
| CH292465A CH478094A (de) | 1964-03-06 | 1965-03-03 | Verfahren zur Herstellung neuer a-Aminosäuren |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH292465A CH478094A (de) | 1964-03-06 | 1965-03-03 | Verfahren zur Herstellung neuer a-Aminosäuren |
Country Status (7)
| Country | Link |
|---|---|
| US (3) | US3395176A (en:Method) |
| BR (1) | BR6567629D0 (en:Method) |
| CH (2) | CH501592A (en:Method) |
| DE (2) | DE1793548A1 (en:Method) |
| FR (2) | FR1451265A (en:Method) |
| GB (3) | GB1095187A (en:Method) |
| NL (1) | NL6502851A (en:Method) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2338254A1 (fr) * | 1976-01-13 | 1977-08-12 | Lonza Ag | Procede de preparation de l'aminocyanoacetate d'ethyle |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1245982B (de) * | 1964-07-09 | 1967-08-03 | Farbwerke Hoechst Aktiengesellschaft vormals Meister Lucius &. Brüning, Frankfurt/M | Verfahren zur Herstellung von L(-)-B-(3,4-Dihydroxy-phenyl)-a-methyl-alanin |
| US3920701A (en) * | 1969-03-26 | 1975-11-18 | Ajinomoto Kk | Process for producing ' -chloro-' -(3,4-dihydroxyphenyl) propionitrile or an o-protected derivative thereof |
| US3856854A (en) * | 1972-11-20 | 1974-12-24 | R Schnettler | Process of preparing alpha-hydroxymethyl aminoacids |
| US3978086A (en) * | 1973-04-13 | 1976-08-31 | Sandoz, Inc. | 2-Amino-4,5-methylenedioxyphenyl nitriles |
| US4065473A (en) * | 1973-10-01 | 1977-12-27 | Hoffmann-La Roche Inc. | Intermediates in the preparation of 2,3,4,5-tetrahydro-1H-3-benzazepines |
| US4695588A (en) * | 1977-06-01 | 1987-09-22 | Merck & Co., Inc. | Fluorinated amino acids |
| US4325961A (en) * | 1977-06-01 | 1982-04-20 | Merck & Co., Inc. | Fluorinated amino acids |
| US4401676A (en) * | 1977-06-01 | 1983-08-30 | Merck & Co., Inc. | Novel α-amino acids |
| JPS5444632A (en) * | 1977-09-12 | 1979-04-09 | Microbial Chem Res Found | Novel compound with immunization activity and its preparation and application |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3046300A (en) * | 1960-10-21 | 1962-07-24 | Merck & Co Inc | alpha-trifluoromethyloxyphenylalanines |
-
1964
- 1964-03-06 US US350111A patent/US3395176A/en not_active Expired - Lifetime
-
1965
- 1965-02-08 GB GB24200/67A patent/GB1095187A/en not_active Expired
- 1965-02-08 GB GB5362/65A patent/GB1095184A/en not_active Expired
- 1965-02-08 GB GB24199/67A patent/GB1095186A/en not_active Expired
- 1965-02-16 DE DE19651793548 patent/DE1793548A1/de active Pending
- 1965-02-16 DE DE1965M0064183 patent/DE1518008A1/de active Pending
- 1965-03-03 CH CH1148369A patent/CH501592A/de not_active IP Right Cessation
- 1965-03-03 CH CH292465A patent/CH478094A/de not_active IP Right Cessation
- 1965-03-05 NL NL6502851A patent/NL6502851A/xx unknown
- 1965-03-05 BR BR167629/65A patent/BR6567629D0/pt unknown
- 1965-03-05 FR FR8171A patent/FR1451265A/fr not_active Expired
- 1965-06-01 FR FR19147A patent/FR4628M/fr not_active Expired
-
1969
- 1969-05-29 US US00829129A patent/US3832377A/en not_active Expired - Lifetime
-
1971
- 1971-10-27 US US00193179A patent/US3801601A/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2338254A1 (fr) * | 1976-01-13 | 1977-08-12 | Lonza Ag | Procede de preparation de l'aminocyanoacetate d'ethyle |
Also Published As
| Publication number | Publication date |
|---|---|
| DE1793548A1 (de) | 1972-02-24 |
| FR1451265A (fr) | 1966-01-07 |
| FR4628M (en:Method) | 1967-01-02 |
| US3832377A (en) | 1974-08-27 |
| NL6502851A (en:Method) | 1965-09-07 |
| US3395176A (en) | 1968-07-30 |
| GB1095184A (en) | 1967-12-13 |
| BR6567629D0 (pt) | 1973-08-02 |
| US3801601A (en) | 1974-04-02 |
| GB1095186A (en) | 1967-12-13 |
| CH478094A (de) | 1969-09-15 |
| DE1518008A1 (de) | 1969-05-22 |
| GB1095187A (en) | 1967-12-13 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |