CA1292236C - Process for preparing n-alkylated amino acids and esters thereof - Google Patents
Process for preparing n-alkylated amino acids and esters thereofInfo
- Publication number
- CA1292236C CA1292236C CA 446562 CA446562A CA1292236C CA 1292236 C CA1292236 C CA 1292236C CA 446562 CA446562 CA 446562 CA 446562 A CA446562 A CA 446562A CA 1292236 C CA1292236 C CA 1292236C
- Authority
- CA
- Canada
- Prior art keywords
- alkyl
- aryl
- carbon atoms
- benzyl
- substituted
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract 3
- 150000002148 esters Chemical class 0.000 title description 6
- 150000001413 amino acids Chemical class 0.000 title description 4
- 150000001875 compounds Chemical class 0.000 claims abstract description 42
- 238000000034 method Methods 0.000 claims abstract description 23
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 claims abstract description 8
- 238000007327 hydrogenolysis reaction Methods 0.000 claims abstract description 4
- 125000004185 ester group Chemical group 0.000 claims abstract 3
- 230000007062 hydrolysis Effects 0.000 claims abstract 3
- 238000006460 hydrolysis reaction Methods 0.000 claims abstract 3
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 claims description 90
- -1 nitro, amino, aminomethyl Chemical group 0.000 claims description 52
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 claims description 48
- 125000004432 carbon atom Chemical group C* 0.000 claims description 40
- 125000004178 (C1-C4) alkyl group Chemical group 0.000 claims description 35
- 125000003118 aryl group Chemical group 0.000 claims description 34
- 239000004472 Lysine Substances 0.000 claims description 33
- 125000006413 ring segment Chemical group 0.000 claims description 22
- 229910052739 hydrogen Inorganic materials 0.000 claims description 21
- 239000001257 hydrogen Substances 0.000 claims description 21
- 125000000217 alkyl group Chemical group 0.000 claims description 19
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 11
- KDXKERNSBIXSRK-UHFFFAOYSA-N Lysine Natural products NCCCCC(N)C(O)=O KDXKERNSBIXSRK-UHFFFAOYSA-N 0.000 claims description 11
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 11
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 11
- 150000003254 radicals Chemical class 0.000 claims description 11
- 150000002431 hydrogen Chemical class 0.000 claims description 10
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims description 8
- 125000003342 alkenyl group Chemical group 0.000 claims description 8
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 8
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 8
- 125000002950 monocyclic group Chemical group 0.000 claims description 8
- 125000004430 oxygen atom Chemical group O* 0.000 claims description 8
- 229910052717 sulfur Inorganic materials 0.000 claims description 8
- 239000011593 sulfur Substances 0.000 claims description 8
- 229910052736 halogen Inorganic materials 0.000 claims description 7
- 150000002367 halogens Chemical class 0.000 claims description 7
- 239000000460 chlorine Substances 0.000 claims description 6
- 125000003545 alkoxy group Chemical group 0.000 claims description 5
- 125000004433 nitrogen atom Chemical group N* 0.000 claims description 5
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 4
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims description 4
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 4
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 claims description 4
- 229910052731 fluorine Inorganic materials 0.000 claims description 4
- 239000011737 fluorine Substances 0.000 claims description 4
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 4
- 125000004042 4-aminobutyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])N([H])[H] 0.000 claims description 3
- 150000005840 aryl radicals Chemical class 0.000 claims description 3
- 125000000043 benzamido group Chemical group [H]N([*])C(=O)C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 claims description 3
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims description 3
- 229910052801 chlorine Inorganic materials 0.000 claims description 3
- 125000000392 cycloalkenyl group Chemical group 0.000 claims description 3
- 125000001041 indolyl group Chemical group 0.000 claims description 3
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 claims description 3
- 125000006763 (C3-C9) cycloalkyl group Chemical group 0.000 claims description 2
- 125000000094 2-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 2
- 125000000304 alkynyl group Chemical group 0.000 claims description 2
- 125000004397 aminosulfonyl group Chemical group NS(=O)(=O)* 0.000 claims description 2
- 125000004104 aryloxy group Chemical group 0.000 claims description 2
- 125000003917 carbamoyl group Chemical group [H]N([H])C(*)=O 0.000 claims description 2
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 2
- 229910052757 nitrogen Inorganic materials 0.000 claims description 2
- 125000000229 (C1-C4)alkoxy group Chemical group 0.000 claims 2
- 125000004217 4-methoxybenzyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1OC([H])([H])[H])C([H])([H])* 0.000 claims 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims 1
- 125000004414 alkyl thio group Chemical group 0.000 claims 1
- 229910052794 bromium Inorganic materials 0.000 claims 1
- 125000002883 imidazolyl group Chemical group 0.000 claims 1
- 150000003862 amino acid derivatives Chemical class 0.000 abstract description 3
- 125000002827 triflate group Chemical class FC(S(=O)(=O)O*)(F)F 0.000 abstract description 3
- 238000002360 preparation method Methods 0.000 abstract description 2
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 54
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 39
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 33
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 22
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 18
- 229940073584 methylene chloride Drugs 0.000 description 18
- 235000013350 formula milk Nutrition 0.000 description 16
- QNAYBMKLOCPYGJ-REOHCLBHSA-N L-alanine Chemical compound C[C@H](N)C(O)=O QNAYBMKLOCPYGJ-REOHCLBHSA-N 0.000 description 15
- 238000006243 chemical reaction Methods 0.000 description 12
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 11
- KDXKERNSBIXSRK-YFKPBYRVSA-N L-lysine Chemical compound NCCCC[C@H](N)C(O)=O KDXKERNSBIXSRK-YFKPBYRVSA-N 0.000 description 10
- 239000002253 acid Substances 0.000 description 10
- 235000004279 alanine Nutrition 0.000 description 10
- 239000000203 mixture Substances 0.000 description 10
- WJKHJLXJJJATHN-UHFFFAOYSA-N triflic anhydride Chemical compound FC(F)(F)S(=O)(=O)OS(=O)(=O)C(F)(F)F WJKHJLXJJJATHN-UHFFFAOYSA-N 0.000 description 10
- OUYCCCASQSFEME-QMMMGPOBSA-N L-tyrosine Chemical compound OC(=O)[C@@H](N)CC1=CC=C(O)C=C1 OUYCCCASQSFEME-QMMMGPOBSA-N 0.000 description 9
- 229910052681 coesite Inorganic materials 0.000 description 9
- 229910052906 cristobalite Inorganic materials 0.000 description 9
- 239000000377 silicon dioxide Substances 0.000 description 9
- 235000012239 silicon dioxide Nutrition 0.000 description 9
- 229910052682 stishovite Inorganic materials 0.000 description 9
- 229910052905 tridymite Inorganic materials 0.000 description 9
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 8
- 229910052799 carbon Inorganic materials 0.000 description 8
- OUYCCCASQSFEME-UHFFFAOYSA-N tyrosine Natural products OC(=O)C(N)CC1=CC=C(O)C=C1 OUYCCCASQSFEME-UHFFFAOYSA-N 0.000 description 8
- 230000000875 corresponding effect Effects 0.000 description 7
- QUSNBJAOOMFDIB-UHFFFAOYSA-N Ethylamine Chemical compound CCN QUSNBJAOOMFDIB-UHFFFAOYSA-N 0.000 description 6
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 6
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 6
- ZAFNJMIOTHYJRJ-UHFFFAOYSA-N Diisopropyl ether Chemical compound CC(C)OC(C)C ZAFNJMIOTHYJRJ-UHFFFAOYSA-N 0.000 description 5
- 125000004429 atom Chemical group 0.000 description 5
- OBKXEAXTFZPCHS-UHFFFAOYSA-N gamma-phenylbutyric acid Natural products OC(=O)CCCC1=CC=CC=C1 OBKXEAXTFZPCHS-UHFFFAOYSA-N 0.000 description 5
- 150000003839 salts Chemical class 0.000 description 5
- 239000011734 sodium Substances 0.000 description 5
- FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Natural products CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 0.000 description 4
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 4
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 4
- 235000001014 amino acid Nutrition 0.000 description 4
- ZZUFCTLCJUWOSV-UHFFFAOYSA-N furosemide Chemical compound C1=C(Cl)C(S(=O)(=O)N)=CC(C(O)=O)=C1NCC1=CC=CO1 ZZUFCTLCJUWOSV-UHFFFAOYSA-N 0.000 description 4
- 229910002027 silica gel Inorganic materials 0.000 description 4
- 239000000741 silica gel Substances 0.000 description 4
- 239000002904 solvent Substances 0.000 description 4
- VZGDMQKNWNREIO-UHFFFAOYSA-N tetrachloromethane Chemical compound ClC(Cl)(Cl)Cl VZGDMQKNWNREIO-UHFFFAOYSA-N 0.000 description 4
- 125000004172 4-methoxyphenyl group Chemical group [H]C1=C([H])C(OC([H])([H])[H])=C([H])C([H])=C1* 0.000 description 3
- OBKXEAXTFZPCHS-UHFFFAOYSA-M 4-phenylbutyrate Chemical compound [O-]C(=O)CCCC1=CC=CC=C1 OBKXEAXTFZPCHS-UHFFFAOYSA-M 0.000 description 3
- FERIUCNNQQJTOY-UHFFFAOYSA-M Butyrate Chemical compound CCCC([O-])=O FERIUCNNQQJTOY-UHFFFAOYSA-M 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 3
- WBLIXGSTEMXDSM-UHFFFAOYSA-N chloromethane Chemical compound Cl[CH2] WBLIXGSTEMXDSM-UHFFFAOYSA-N 0.000 description 3
- 125000003754 ethoxycarbonyl group Chemical group C(=O)(OCC)* 0.000 description 3
- 125000004344 phenylpropyl group Chemical group 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
- UQZPGHOJMQTOHB-UHFFFAOYSA-N 2-chloro-n-(2-chloroethyl)-n-ethylethanamine Chemical compound ClCCN(CC)CCCl UQZPGHOJMQTOHB-UHFFFAOYSA-N 0.000 description 2
- 125000006201 3-phenylpropyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 2
- 125000001255 4-fluorophenyl group Chemical group [H]C1=C([H])C(*)=C([H])C([H])=C1F 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 2
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 2
- 150000007513 acids Chemical class 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 125000001584 benzyloxycarbonyl group Chemical group C(=O)(OCC1=CC=CC=C1)* 0.000 description 2
- 125000002619 bicyclic group Chemical group 0.000 description 2
- 229950005499 carbon tetrachloride Drugs 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 230000032050 esterification Effects 0.000 description 2
- 238000005886 esterification reaction Methods 0.000 description 2
- QUPDWYMUPZLYJZ-UHFFFAOYSA-N ethyl Chemical class C[CH2] QUPDWYMUPZLYJZ-UHFFFAOYSA-N 0.000 description 2
- 125000004494 ethyl ester group Chemical group 0.000 description 2
- 238000001640 fractional crystallisation Methods 0.000 description 2
- GSYSFVSGPABNNL-UHFFFAOYSA-N methyl 2-dimethoxyphosphoryl-2-(phenylmethoxycarbonylamino)acetate Chemical group COC(=O)C(P(=O)(OC)OC)NC(=O)OCC1=CC=CC=C1 GSYSFVSGPABNNL-UHFFFAOYSA-N 0.000 description 2
- 125000003261 o-tolyl group Chemical group [H]C1=C([H])C(*)=C(C([H])=C1[H])C([H])([H])[H] 0.000 description 2
- UYWQUFXKFGHYNT-UHFFFAOYSA-N phenylmethyl ester of formic acid Natural products O=COCC1=CC=CC=C1 UYWQUFXKFGHYNT-UHFFFAOYSA-N 0.000 description 2
- 108090000765 processed proteins & peptides Proteins 0.000 description 2
- 239000000047 product Substances 0.000 description 2
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 2
- 229910000029 sodium carbonate Inorganic materials 0.000 description 2
- 125000001544 thienyl group Chemical group 0.000 description 2
- 125000003944 tolyl group Chemical group 0.000 description 2
- NOOLISFMXDJSKH-UTLUCORTSA-N (+)-Neomenthol Chemical compound CC(C)[C@@H]1CC[C@@H](C)C[C@@H]1O NOOLISFMXDJSKH-UTLUCORTSA-N 0.000 description 1
- 125000004169 (C1-C6) alkyl group Chemical group 0.000 description 1
- 125000005862 (C1-C6)alkanoyl group Chemical group 0.000 description 1
- 238000005160 1H NMR spectroscopy Methods 0.000 description 1
- SLRMQYXOBQWXCR-UHFFFAOYSA-N 2154-56-5 Chemical class [CH2]C1=CC=CC=C1 SLRMQYXOBQWXCR-UHFFFAOYSA-N 0.000 description 1
- 125000003762 3,4-dimethoxyphenyl group Chemical group [H]C1=C([H])C(OC([H])([H])[H])=C(OC([H])([H])[H])C([H])=C1* 0.000 description 1
- OIGMGICPZXNGPI-UHFFFAOYSA-N 4-phenyl-2-(trifluoromethylsulfonyloxy)butanoic acid Chemical compound FC(F)(F)S(=O)(=O)OC(C(=O)O)CCC1=CC=CC=C1 OIGMGICPZXNGPI-UHFFFAOYSA-N 0.000 description 1
- XVMSFILGAMDHEY-UHFFFAOYSA-N 6-(4-aminophenyl)sulfonylpyridin-3-amine Chemical compound C1=CC(N)=CC=C1S(=O)(=O)C1=CC=C(N)C=N1 XVMSFILGAMDHEY-UHFFFAOYSA-N 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- QNAYBMKLOCPYGJ-UWTATZPHSA-N D-alanine Chemical compound C[C@@H](N)C(O)=O QNAYBMKLOCPYGJ-UWTATZPHSA-N 0.000 description 1
- NOOLISFMXDJSKH-UHFFFAOYSA-N DL-menthol Natural products CC(C)C1CCC(C)CC1O NOOLISFMXDJSKH-UHFFFAOYSA-N 0.000 description 1
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 1
- 102000004190 Enzymes Human genes 0.000 description 1
- 108090000790 Enzymes Proteins 0.000 description 1
- 206010020772 Hypertension Diseases 0.000 description 1
- JTTHKOPSMAVJFE-VIFPVBQESA-N L-homophenylalanine Chemical compound OC(=O)[C@@H](N)CCC1=CC=CC=C1 JTTHKOPSMAVJFE-VIFPVBQESA-N 0.000 description 1
- JVTAAEKCZFNVCJ-UHFFFAOYSA-M Lactate Chemical compound CC(O)C([O-])=O JVTAAEKCZFNVCJ-UHFFFAOYSA-M 0.000 description 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 description 1
- 239000007868 Raney catalyst Substances 0.000 description 1
- NPXOKRUENSOPAO-UHFFFAOYSA-N Raney nickel Chemical compound [Al].[Ni] NPXOKRUENSOPAO-UHFFFAOYSA-N 0.000 description 1
- 229910000564 Raney nickel Inorganic materials 0.000 description 1
- 239000000370 acceptor Substances 0.000 description 1
- 150000001298 alcohols Chemical class 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 238000010640 amide synthesis reaction Methods 0.000 description 1
- 150000008064 anhydrides Chemical class 0.000 description 1
- 125000003435 aroyl group Chemical group 0.000 description 1
- 125000005110 aryl thio group Chemical group 0.000 description 1
- 125000005605 benzo group Chemical group 0.000 description 1
- 125000004618 benzofuryl group Chemical group O1C(=CC2=C1C=CC=C2)* 0.000 description 1
- 125000003236 benzoyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C(*)=O 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 125000004106 butoxy group Chemical group [*]OC([H])([H])C([H])([H])C(C([H])([H])[H])([H])[H] 0.000 description 1
- 125000004744 butyloxycarbonyl group Chemical group 0.000 description 1
- 150000004649 carbonic acid derivatives Chemical class 0.000 description 1
- 125000006297 carbonyl amino group Chemical group [H]N([*:2])C([*:1])=O 0.000 description 1
- 238000006555 catalytic reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 125000000259 cinnolinyl group Chemical group N1=NC(=CC2=CC=CC=C12)* 0.000 description 1
- 238000004440 column chromatography Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- JJCFRYNCJDLXIK-UHFFFAOYSA-N cyproheptadine Chemical compound C1CN(C)CCC1=C1C2=CC=CC=C2C=CC2=CC=CC=C21 JJCFRYNCJDLXIK-UHFFFAOYSA-N 0.000 description 1
- MCWXGJITAZMZEV-UHFFFAOYSA-N dimethoate Chemical compound CNC(=O)CSP(=S)(OC)OC MCWXGJITAZMZEV-UHFFFAOYSA-N 0.000 description 1
- NALBLJLOBICXRH-UHFFFAOYSA-N dinitrogen monohydride Chemical group N=[N] NALBLJLOBICXRH-UHFFFAOYSA-N 0.000 description 1
- 239000003480 eluent Substances 0.000 description 1
- FASPPKPQGSZZKT-GFCCVEGCSA-N ethyl (2R)-4-(2-methylphenyl)-2-(trifluoromethylsulfonyloxy)butanoate Chemical compound CCOC(=O)[C@@H](CCC1=C(C)C=CC=C1)OS(=O)(=O)C(F)(F)F FASPPKPQGSZZKT-GFCCVEGCSA-N 0.000 description 1
- UDJNHUAEPSYCRU-LLVKDONJSA-N ethyl (2r)-4-phenyl-2-(trifluoromethylsulfonyloxy)butanoate Chemical compound CCOC(=O)[C@H](OS(=O)(=O)C(F)(F)F)CCC1=CC=CC=C1 UDJNHUAEPSYCRU-LLVKDONJSA-N 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- NNINWAWDVUHMGM-UHFFFAOYSA-N fluoromethanesulfonyl chloride Chemical compound FCS(Cl)(=O)=O NNINWAWDVUHMGM-UHFFFAOYSA-N 0.000 description 1
- 150000008282 halocarbons Chemical class 0.000 description 1
- 125000005843 halogen group Chemical group 0.000 description 1
- 125000001072 heteroaryl group Chemical group 0.000 description 1
- 125000000623 heterocyclic group Chemical group 0.000 description 1
- 229930195733 hydrocarbon Natural products 0.000 description 1
- 150000002430 hydrocarbons Chemical class 0.000 description 1
- 125000003453 indazolyl group Chemical group N1N=C(C2=C1C=CC=C2)* 0.000 description 1
- 239000012442 inert solvent Substances 0.000 description 1
- 239000003112 inhibitor Substances 0.000 description 1
- 239000000543 intermediate Substances 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 125000000904 isoindolyl group Chemical group C=1(NC=C2C=CC=CC12)* 0.000 description 1
- 125000001786 isothiazolyl group Chemical group 0.000 description 1
- 125000000842 isoxazolyl group Chemical group 0.000 description 1
- 229940041616 menthol Drugs 0.000 description 1
- 125000005905 mesyloxy group Chemical group 0.000 description 1
- 125000004170 methylsulfonyl group Chemical group [H]C([H])([H])S(*)(=O)=O 0.000 description 1
- 125000001624 naphthyl group Chemical group 0.000 description 1
- 125000004593 naphthyridinyl group Chemical group N1=C(C=CC2=CC=CN=C12)* 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 125000002971 oxazolyl group Chemical group 0.000 description 1
- 125000005740 oxycarbonyl group Chemical group [*:1]OC([*:2])=O 0.000 description 1
- 125000003854 p-chlorophenyl group Chemical group [H]C1=C([H])C(*)=C([H])C([H])=C1Cl 0.000 description 1
- 125000004592 phthalazinyl group Chemical group C1(=NN=CC2=CC=CC=C12)* 0.000 description 1
- 239000002798 polar solvent Substances 0.000 description 1
- 229920000136 polysorbate Polymers 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 125000006239 protecting group Chemical group 0.000 description 1
- 125000001042 pteridinyl group Chemical group N1=C(N=CC2=NC=CN=C12)* 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 125000004309 pyranyl group Chemical group O1C(C=CC=C1)* 0.000 description 1
- 125000003226 pyrazolyl group Chemical group 0.000 description 1
- 125000002098 pyridazinyl group Chemical group 0.000 description 1
- 125000004076 pyridyl group Chemical group 0.000 description 1
- 125000000714 pyrimidinyl group Chemical group 0.000 description 1
- 125000000168 pyrrolyl group Chemical group 0.000 description 1
- 125000002294 quinazolinyl group Chemical group N1=C(N=CC2=CC=CC=C12)* 0.000 description 1
- 125000002943 quinolinyl group Chemical group N1=C(C=CC2=CC=CC=C12)* 0.000 description 1
- 125000001567 quinoxalinyl group Chemical group N1=C(C=NC2=CC=CC=C12)* 0.000 description 1
- 230000006340 racemization Effects 0.000 description 1
- DCKVNWZUADLDEH-UHFFFAOYSA-N sec-butyl acetate Chemical compound CCC(C)OC(C)=O DCKVNWZUADLDEH-UHFFFAOYSA-N 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 229910052814 silicon oxide Inorganic materials 0.000 description 1
- 229910052709 silver Inorganic materials 0.000 description 1
- 239000004332 silver Substances 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- BEOOHQFXGBMRKU-UHFFFAOYSA-N sodium cyanoborohydride Chemical compound [Na+].[B-]C#N BEOOHQFXGBMRKU-UHFFFAOYSA-N 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 150000003512 tertiary amines Chemical class 0.000 description 1
- 125000000335 thiazolyl group Chemical group 0.000 description 1
- 125000005424 tosyloxy group Chemical group S(=O)(=O)(C1=CC=C(C)C=C1)O* 0.000 description 1
- ITMCEJHCFYSIIV-UHFFFAOYSA-M triflate Chemical compound [O-]S(=O)(=O)C(F)(F)F ITMCEJHCFYSIIV-UHFFFAOYSA-M 0.000 description 1
- 150000008648 triflates Chemical class 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C229/00—Compounds containing amino and carboxyl groups bound to the same carbon skeleton
- C07C229/02—Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to acyclic carbon atoms of the same carbon skeleton
- C07C229/04—Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being acyclic and saturated
- C07C229/06—Compounds containing amino and carboxyl groups bound to the same carbon skeleton having amino and carboxyl groups bound to acyclic carbon atoms of the same carbon skeleton the carbon skeleton being acyclic and saturated having only one amino and one carboxyl group bound to the carbon skeleton
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C309/00—Sulfonic acids; Halides, esters, or anhydrides thereof
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P43/00—Drugs for specific purposes, not provided for in groups A61P1/00-A61P41/00
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61P—SPECIFIC THERAPEUTIC ACTIVITY OF CHEMICAL COMPOUNDS OR MEDICINAL PREPARATIONS
- A61P9/00—Drugs for disorders of the cardiovascular system
- A61P9/12—Antihypertensives
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Veterinary Medicine (AREA)
- General Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Nuclear Medicine, Radiotherapy & Molecular Imaging (AREA)
- Bioinformatics & Cheminformatics (AREA)
- Pharmacology & Pharmacy (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Engineering & Computer Science (AREA)
- Public Health (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Cardiology (AREA)
- Heart & Thoracic Surgery (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Indole Compounds (AREA)
- Acyclic And Carbocyclic Compounds In Medicinal Compositions (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Peptides Or Proteins (AREA)
- Preparation Of Compounds By Using Micro-Organisms (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA000577190A CA1267903A (en) | 1983-02-02 | 1988-09-12 | Trifluoromethanesulfonates and a process for their preparation |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEP3303344.7 | 1983-02-02 | ||
DE19833303344 DE3303344A1 (de) | 1983-02-02 | 1983-02-02 | Verfahren zur herstellung von n-alkylierten aminosaeuren und deren estern |
Publications (1)
Publication Number | Publication Date |
---|---|
CA1292236C true CA1292236C (en) | 1991-11-19 |
Family
ID=6189750
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA 446562 Expired - Lifetime CA1292236C (en) | 1983-02-02 | 1984-02-01 | Process for preparing n-alkylated amino acids and esters thereof |
CA000577190A Expired - Lifetime CA1267903A (en) | 1983-02-02 | 1988-09-12 | Trifluoromethanesulfonates and a process for their preparation |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA000577190A Expired - Lifetime CA1267903A (en) | 1983-02-02 | 1988-09-12 | Trifluoromethanesulfonates and a process for their preparation |
Country Status (14)
Country | Link |
---|---|
EP (1) | EP0117448B1 (is") |
JP (2) | JPS59172442A (is") |
KR (1) | KR910008135B1 (is") |
AT (1) | ATE21890T1 (is") |
AU (2) | AU566053B2 (is") |
CA (2) | CA1292236C (is") |
DE (2) | DE3303344A1 (is") |
DK (2) | DK166619C (is") |
ES (1) | ES8500215A1 (is") |
GR (1) | GR79751B (is") |
IE (1) | IE56751B1 (is") |
IL (1) | IL70847A (is") |
PT (1) | PT78047B (is") |
ZA (1) | ZA84740B (is") |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8269038B2 (en) | 2006-09-12 | 2012-09-18 | Wako Pure Chemical Industries, Ltd. | Process for production of sulfonic acid ester |
US10980794B2 (en) | 2012-12-21 | 2021-04-20 | Epizyme, Inc. | PRMT5 inhibitors and uses thereof |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3648935A (en) * | 1970-02-04 | 1972-03-14 | Amchem Prod | Spray apparatus with movable head |
DE3303344A1 (de) * | 1983-02-02 | 1984-08-02 | Hoechst Ag, 6230 Frankfurt | Verfahren zur herstellung von n-alkylierten aminosaeuren und deren estern |
US4801721A (en) * | 1984-08-16 | 1989-01-31 | Ryan James W | Stereospecific synthesis of carboxyalkyl peptides |
DE3431591A1 (de) * | 1984-08-28 | 1986-03-13 | Diamalt AG, 8000 München | Verfahren zur herstellung von aminoverbindungen aus hydroxylverbindungen |
JPS63170344A (ja) * | 1987-01-09 | 1988-07-14 | Daicel Chem Ind Ltd | アミノ酸エステルのn−アルキル化法 |
JP2535001B2 (ja) * | 1987-01-13 | 1996-09-18 | ダイセル化学工業株式会社 | N−アルキル化アミノ酸エステルの製法 |
FR2620699B1 (fr) * | 1987-09-17 | 1990-06-01 | Adir | Procede de synthese d'alpha amino acides n alkyles et de leurs esters. application a la synthese de carboxyalkyl dipeptides |
US5055588A (en) * | 1988-07-06 | 1991-10-08 | Daicel Chemical Industries Ltd. | Process for preparing N-substituted amino acid esters |
SE0000382D0 (sv) | 2000-02-07 | 2000-02-07 | Astrazeneca Ab | New process |
JP2004526735A (ja) | 2001-03-27 | 2004-09-02 | ランバクシー ラボラトリーズ リミテッド | ベナゼプリルの製造方法 |
Family Cites Families (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3419595A (en) * | 1965-03-05 | 1968-12-31 | Minnesota Mining & Mfg | Fluorocarbon fluoroalkanesulfonates |
NL144484B (nl) * | 1967-07-26 | 1975-01-15 | Merck & Co Inc | Werkwijze ter bereiding van een geneesmiddel met anti-anflammatoire werking, alsmede werkwijze ter bereiding van de anti-inflammatoir werkzame aralkylmercaptoaminozuren. |
GB1572185A (en) * | 1975-10-25 | 1980-07-23 | Beecham Group Ltd | Intermediates for the preparation of 12-azaprostaglandins |
DE3044236A1 (de) | 1980-11-25 | 1982-06-16 | Hoechst Ag, 6000 Frankfurt | Aminosaeurederivate und verfahren zu ihrer herstellung |
DE2937779A1 (de) | 1979-09-19 | 1981-04-09 | Hoechst Ag, 6000 Frankfurt | Aminosaeurederivate und verfahren zu ihrer herstellung |
FR2487829A2 (fr) | 1979-12-07 | 1982-02-05 | Science Union & Cie | Nouveaux imino acides substitues, leurs procedes de preparation et leur emploi comme inhibiteur d'enzyme |
FR2503155A2 (fr) | 1980-10-02 | 1982-10-08 | Science Union & Cie | Nouveaux imino diacides substitues, leurs procedes de preparation et leur emploi comme inhibiteur d'enzyme |
US4350704A (en) | 1980-10-06 | 1982-09-21 | Warner-Lambert Company | Substituted acyl derivatives of octahydro-1H-indole-2-carboxylic acids |
IE52663B1 (en) | 1980-04-02 | 1988-01-20 | Warner Lambert Co | Substituted acyl derivatives of octahydro-1h-indole-2-carboxylic acids |
DE3177311D1 (de) | 1980-08-30 | 1994-06-09 | Hoechst Ag | Aminosäurederivate, Verfahren zu ihrer Herstellung, diese enthaltende Mittel und deren Verwendung. |
US4344949A (en) | 1980-10-03 | 1982-08-17 | Warner-Lambert Company | Substituted acyl derivatives of 1,2,3,4-tetrahydroisoquinoline-3-carboxylic acids |
FR2492381A1 (fr) | 1980-10-21 | 1982-04-23 | Science Union & Cie | Nouveaux acides aza bicyclo alcane carboxyliques substitues leurs procedes de preparation et leur emploi comme inhibiteur d'enzyme |
ATE20469T1 (de) | 1980-10-23 | 1986-07-15 | Schering Corp | Carboxyalkyl-dipeptide, verfahren zu ihrer herstellung und diese enthaltende arzneimittel. |
US4374847A (en) | 1980-10-27 | 1983-02-22 | Ciba-Geigy Corporation | 1-Carboxyalkanoylindoline-2-carboxylic acids |
DE3226768A1 (de) | 1981-11-05 | 1983-05-26 | Hoechst Ag, 6230 Frankfurt | Derivate der cis, endo-2-azabicyclo-(3.3.0)-octan-3-carbonsaeure, verfahren zu ihrer herstellung, diese enthaltende mittel und deren verwendung |
DE3151690A1 (de) | 1981-12-29 | 1983-07-07 | Hoechst Ag, 6230 Frankfurt | "neue derivate bicyclischer aminosaeuren, verfahren zu ihrer herstellung, diese enthaltende mittel und deren verwendung sowie neue bicyclische aminosaeuren als zwischenstufen und verfahren zu deren herstellung" |
DE3210496A1 (de) | 1982-03-23 | 1983-10-06 | Hoechst Ag | Neue derivate bicyclischer aminsaeuren, verfahren zu ihrer herstellung, diese enthaltende mittel und deren verwendung sowie neue bicyclische aminosaeuren als zwischenstufen und verfahren zu deren herstellung |
DE3211397A1 (de) | 1982-03-27 | 1983-11-10 | Hoechst Ag, 6230 Frankfurt | Spiro (4.(3+n))-2-aza-3-carbonsaeure-derivate, verfahren zu ihrer herstellung, diese enthaltende mittel und ihre verwendung |
DE3211676A1 (de) | 1982-03-30 | 1983-10-06 | Hoechst Ag | Neue derivate von cycloalka (c) pyrrol-carbonsaeuren, verfahren zu ihrer herstellung, diese enthaltende mittel und deren verwendung sowie neue cycloalka (c) pyrrol-carbonsaeuren als zwischenstufen und verfahren zu deren herstellung |
DE3227055A1 (de) | 1982-07-20 | 1984-01-26 | Hoechst Ag, 6230 Frankfurt | Neue derivate der 2-aza-bicyclo(2.2.2)octan-3-carbonsaeure, verfahren zu ihrer herstellung, diese enthaltende mittel und deren verwendung sowie 2-aza-bicyclo(2.2.2)octan-3-carbonsaeure als zwischenstufe und verfahren zu deren herstellung |
DE3242151A1 (de) | 1982-11-13 | 1984-05-17 | Hoechst Ag, 6230 Frankfurt | Neue derivate tricyclischer aminosaeuren, verfahren zu ihrer herstellung, diese enthaltende mittel und deren verwendung, sowie neue bicyclische aminosaeuren als zwischenstufen und verfahren zu deren herstellung |
DE3246503A1 (de) | 1982-12-16 | 1984-06-20 | Hoechst Ag, 6230 Frankfurt | Derivate der cis, endo-2-azabicyclo-(5.3.0)-decan-3-carbonsaeure, verfahren zu ihrer herstellung, diese enthaltende mittel und deren verwendung |
DE3246757A1 (de) | 1982-12-17 | 1984-06-20 | Hoechst Ag, 6230 Frankfurt | Neue 2-azabicyclo(2.2.1)heptan-derivate, verfahren zu ihrer herstellung, diese enthaltende mittel und deren verwendung sowie 2-azabicyclo(2.2.1)heptan-derivate als zwischenprodukte und verfahren zu deren herstellung |
DE3303344A1 (de) * | 1983-02-02 | 1984-08-02 | Hoechst Ag, 6230 Frankfurt | Verfahren zur herstellung von n-alkylierten aminosaeuren und deren estern |
-
1983
- 1983-02-02 DE DE19833303344 patent/DE3303344A1/de not_active Withdrawn
-
1984
- 1984-01-31 ES ES529302A patent/ES8500215A1/es not_active Expired
- 1984-01-31 KR KR1019840000443A patent/KR910008135B1/ko not_active Expired
- 1984-01-31 DE DE8484100935T patent/DE3460578D1/de not_active Expired
- 1984-01-31 AT AT84100935T patent/ATE21890T1/de not_active IP Right Cessation
- 1984-01-31 EP EP84100935A patent/EP0117448B1/de not_active Expired
- 1984-02-01 ZA ZA84740A patent/ZA84740B/xx unknown
- 1984-02-01 JP JP59015297A patent/JPS59172442A/ja active Granted
- 1984-02-01 PT PT78047A patent/PT78047B/pt unknown
- 1984-02-01 GR GR73674A patent/GR79751B/el unknown
- 1984-02-01 AU AU23998/84A patent/AU566053B2/en not_active Expired
- 1984-02-01 IE IE244/84A patent/IE56751B1/en not_active IP Right Cessation
- 1984-02-01 DK DK045584A patent/DK166619C/da not_active IP Right Cessation
- 1984-02-01 CA CA 446562 patent/CA1292236C/en not_active Expired - Lifetime
- 1984-02-01 IL IL70847A patent/IL70847A/xx not_active IP Right Cessation
-
1987
- 1987-09-11 AU AU78304/87A patent/AU588483B2/en not_active Expired
-
1988
- 1988-09-12 CA CA000577190A patent/CA1267903A/en not_active Expired - Lifetime
-
1992
- 1992-04-13 DK DK199200494A patent/DK173770B1/da not_active IP Right Cessation
- 1992-10-28 JP JP4289760A patent/JPH06102646B2/ja not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US8269038B2 (en) | 2006-09-12 | 2012-09-18 | Wako Pure Chemical Industries, Ltd. | Process for production of sulfonic acid ester |
US10980794B2 (en) | 2012-12-21 | 2021-04-20 | Epizyme, Inc. | PRMT5 inhibitors and uses thereof |
Also Published As
Publication number | Publication date |
---|---|
DK45584A (da) | 1984-08-03 |
DK166619C (da) | 1993-11-08 |
ATE21890T1 (de) | 1986-09-15 |
JPH05320119A (ja) | 1993-12-03 |
AU7830487A (en) | 1987-12-17 |
KR910008135B1 (ko) | 1991-10-10 |
PT78047B (de) | 1986-07-15 |
JPS59172442A (ja) | 1984-09-29 |
KR850000384A (ko) | 1985-02-27 |
AU588483B2 (en) | 1989-09-14 |
DK173770B1 (da) | 2001-09-24 |
JPH06102646B2 (ja) | 1994-12-14 |
GR79751B (is") | 1984-10-31 |
IL70847A0 (en) | 1984-05-31 |
JPH0587499B2 (is") | 1993-12-16 |
PT78047A (de) | 1984-03-01 |
EP0117448B1 (de) | 1986-09-03 |
DE3303344A1 (de) | 1984-08-02 |
AU2399884A (en) | 1984-08-09 |
IL70847A (en) | 1991-04-15 |
DE3460578D1 (en) | 1986-10-09 |
IE840244L (en) | 1984-08-02 |
EP0117448A1 (de) | 1984-09-05 |
ES529302A0 (es) | 1984-10-01 |
AU566053B2 (en) | 1987-10-08 |
DK49492D0 (da) | 1992-04-13 |
ES8500215A1 (es) | 1984-10-01 |
DK49492A (da) | 1992-04-13 |
DK45584D0 (da) | 1984-02-01 |
CA1267903A (en) | 1990-04-17 |
DK166619B (da) | 1993-06-21 |
IE56751B1 (en) | 1991-12-04 |
ZA84740B (en) | 1984-09-26 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CA1292236C (en) | Process for preparing n-alkylated amino acids and esters thereof | |
CA1258148A (en) | Process for the preparation of n-alkylated dipeptides and their esters | |
JPH0662554B2 (ja) | コラゲナーゼ阻害剤 | |
IE63344B1 (en) | Process for producing optically active benzene-sulfonamide derivatives | |
JPS6323834A (ja) | マロン酸誘導体 | |
CA1322073C (en) | Thiol-carboxylic acid derivatives | |
US5179125A (en) | N-substituted mercaptopropanamide derivatives | |
US4868307A (en) | Derivatives of bicyclic aminocarboxylic acids | |
AU7588591A (en) | Synthesis and use of amino acid fluorides as peptide coupling reagents | |
US4785089A (en) | Novel sulfonic acid esters and their preparation | |
US3855238A (en) | Process for preparing n-tertiary-butoxycarbonyl amino acids | |
KR100416011B1 (ko) | 할로겐화된α-아미노케톤및α-아미노알코올의제조방법 | |
FI88153C (fi) | Foerfarande foer racematisk avskiljning av optiskt aktiva bicykliska imino- -karboxylsyraestrar och saolunda erhaollna foereningar och deras anvaendning till syntes av karboxialkyldipeptider | |
EP0710652B1 (en) | Process for preparing optically active piperazine derivatives and intermediates for preparation | |
EP0175266B1 (en) | Antihypertensive derivatives | |
US4542234A (en) | Process for the separation of (S,S) diastereoisomers | |
KR100225829B1 (ko) | 라세미성 1,2,3,4-테트라하이드로이소퀴놀린-3-카복실산 및 광학 활성 1,2,3,4-테트라하이드로이소퀴놀린-3-카복실산의 제조방법 | |
US4652665A (en) | α-Chlorinated carbonates | |
CA1296733C (en) | Process for producing chiral glycine derivatives | |
US3959319A (en) | Phenyl and naphthyl esters of PGF2 α type prostaglandins | |
KR100434915B1 (ko) | 광학활성시아노히드린의제조방법 | |
US3987067A (en) | Substituted aromatic esters of PGF2.sub.α | |
JPH0523264B2 (is") | ||
JP2005028363A (ja) | 不斉合成用触媒の製造方法 | |
US4789746A (en) | Process for the preparation of the (+)-antipode of (E)-1-cyclohexyl-4,4-dimethyl-3-hydroxy-2-(1,2,4-triazol-1-yl)-pent-1-ene |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
MKEX | Expiry |