JP2021066721A - N−シクロプロピルメチルアニリン系化合物の調製方法 - Google Patents
N−シクロプロピルメチルアニリン系化合物の調製方法 Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 15
- PAYRUJLWNCNPSJ-UHFFFAOYSA-N N-phenyl amine Natural products NC1=CC=CC=C1 PAYRUJLWNCNPSJ-UHFFFAOYSA-N 0.000 title description 2
- 238000006243 chemical reaction Methods 0.000 claims abstract description 61
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 150000001875 compounds Chemical class 0.000 claims abstract description 25
- JMYVMOUINOAAPA-UHFFFAOYSA-N cyclopropanecarbaldehyde Chemical compound O=CC1CC1 JMYVMOUINOAAPA-UHFFFAOYSA-N 0.000 claims abstract description 22
- 229910052725 zinc Inorganic materials 0.000 claims abstract description 17
- 239000011701 zinc Substances 0.000 claims abstract description 17
- -1 N-cyclopropylmethyl aniline compound Chemical class 0.000 claims abstract description 15
- 239000002253 acid Substances 0.000 claims abstract description 14
- 239000002994 raw material Substances 0.000 claims abstract description 10
- 230000035484 reaction time Effects 0.000 claims abstract description 5
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims description 24
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 claims description 21
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 16
- 239000002904 solvent Substances 0.000 claims description 16
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 14
- 238000002360 preparation method Methods 0.000 claims description 14
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical group ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims description 12
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical group CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 12
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 claims description 12
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 12
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims description 10
- 229910052731 fluorine Inorganic materials 0.000 claims description 10
- 239000011737 fluorine Substances 0.000 claims description 10
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 8
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 8
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 claims description 8
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 claims description 6
- 125000000876 trifluoromethoxy group Chemical group FC(F)(F)O* 0.000 claims description 6
- 125000004786 difluoromethoxy group Chemical group [H]C(F)(F)O* 0.000 claims description 5
- SCYULBFZEHDVBN-UHFFFAOYSA-N 1,1-Dichloroethane Chemical compound CC(Cl)Cl SCYULBFZEHDVBN-UHFFFAOYSA-N 0.000 claims 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 claims description 4
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims description 4
- BZLVMXJERCGZMT-UHFFFAOYSA-N Methyl tert-butyl ether Chemical compound COC(C)(C)C BZLVMXJERCGZMT-UHFFFAOYSA-N 0.000 claims description 4
- 125000003545 alkoxy group Chemical group 0.000 claims description 4
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims description 4
- 229910052794 bromium Inorganic materials 0.000 claims description 4
- JBTWLSYIZRCDFO-UHFFFAOYSA-N ethyl methyl carbonate Chemical compound CCOC(=O)OC JBTWLSYIZRCDFO-UHFFFAOYSA-N 0.000 claims description 4
- 235000019253 formic acid Nutrition 0.000 claims description 4
- 150000008282 halocarbons Chemical class 0.000 claims description 4
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 claims description 4
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 4
- DKPFZGUDAPQIHT-UHFFFAOYSA-N Butyl acetate Natural products CCCCOC(C)=O DKPFZGUDAPQIHT-UHFFFAOYSA-N 0.000 claims description 3
- FUZZWVXGSFPDMH-UHFFFAOYSA-N hexanoic acid Chemical compound CCCCCC(O)=O FUZZWVXGSFPDMH-UHFFFAOYSA-N 0.000 claims description 3
- 125000004191 (C1-C6) alkoxy group Chemical group 0.000 claims description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 2
- 229910052801 chlorine Inorganic materials 0.000 claims description 2
- 239000000460 chlorine Substances 0.000 claims description 2
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 claims description 2
- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical compound II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 claims description 2
- 125000003253 isopropoxy group Chemical group [H]C([H])([H])C([H])(O*)C([H])([H])[H] 0.000 claims description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 2
- 150000007522 mineralic acids Chemical class 0.000 claims description 2
- 150000007524 organic acids Chemical class 0.000 claims description 2
- 125000002572 propoxy group Chemical group [*]OC([H])([H])C(C([H])([H])[H])([H])[H] 0.000 claims description 2
- 238000009776 industrial production Methods 0.000 abstract description 4
- 239000002184 metal Substances 0.000 abstract 1
- 229910052751 metal Inorganic materials 0.000 abstract 1
- KXDAEFPNCMNJSK-UHFFFAOYSA-N Benzamide Chemical compound NC(=O)C1=CC=CC=C1 KXDAEFPNCMNJSK-UHFFFAOYSA-N 0.000 description 16
- IAZDPXIOMUYVGZ-WFGJKAKNSA-N Dimethyl sulfoxide Chemical compound [2H]C([2H])([2H])S(=O)C([2H])([2H])[2H] IAZDPXIOMUYVGZ-WFGJKAKNSA-N 0.000 description 16
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 15
- 125000004186 cyclopropylmethyl group Chemical group [H]C([H])(*)C1([H])C([H])([H])C1([H])[H] 0.000 description 13
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 description 13
- 238000010907 mechanical stirring Methods 0.000 description 11
- 239000000706 filtrate Substances 0.000 description 9
- 238000005160 1H NMR spectroscopy Methods 0.000 description 8
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 7
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 239000000203 mixture Substances 0.000 description 6
- FKTXDTWDCPTPHK-UHFFFAOYSA-N 1,1,1,2,3,3,3-heptafluoropropane Chemical group FC(F)(F)[C](F)C(F)(F)F FKTXDTWDCPTPHK-UHFFFAOYSA-N 0.000 description 4
- DTQVDTLACAAQTR-UHFFFAOYSA-N Trifluoroacetic acid Chemical compound OC(=O)C(F)(F)F DTQVDTLACAAQTR-UHFFFAOYSA-N 0.000 description 4
- UYFBSIJFMJLIAZ-UHFFFAOYSA-N n-(cyclopropylmethyl)aniline Chemical compound C1CC1CNC1=CC=CC=C1 UYFBSIJFMJLIAZ-UHFFFAOYSA-N 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- 0 *c1cc(C(C(F)(F)F)(C(F)(F)F)F)cc(Br)c1NC(c(cccc1N)c1F)=O Chemical compound *c1cc(C(C(F)(F)F)(C(F)(F)F)F)cc(Br)c1NC(c(cccc1N)c1F)=O 0.000 description 3
- GBQYLFCKFLNUBH-UHFFFAOYSA-N C1(CC1)CNC=1C(=C(C(=O)OCCC)C=CC=1)F Chemical compound C1(CC1)CNC=1C(=C(C(=O)OCCC)C=CC=1)F GBQYLFCKFLNUBH-UHFFFAOYSA-N 0.000 description 3
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 description 2
- DIEURQHPYHTDQS-UHFFFAOYSA-N C1(CC1)CNC=1C(=C(C(=O)OC(C)C)C=CC=1)F Chemical compound C1(CC1)CNC=1C(=C(C(=O)OC(C)C)C=CC=1)F DIEURQHPYHTDQS-UHFFFAOYSA-N 0.000 description 2
- IINDERHJCHTMAE-UHFFFAOYSA-N C1(CC1)CNC=1C(=C(C(=O)OCC)C=CC=1)F Chemical compound C1(CC1)CNC=1C(=C(C(=O)OCC)C=CC=1)F IINDERHJCHTMAE-UHFFFAOYSA-N 0.000 description 2
- 229910052796 boron Inorganic materials 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- ZNGHATPBZTZUQQ-UHFFFAOYSA-N methyl 3-(cyclopropylmethylamino)-2-fluorobenzoate Chemical compound FC1=C(C(=O)OC)C=CC=C1NCC1CC1 ZNGHATPBZTZUQQ-UHFFFAOYSA-N 0.000 description 2
- DQKJOWIBISTPOK-UHFFFAOYSA-N propan-2-yl 3-amino-2-fluorobenzoate Chemical compound CC(C)OC(=O)c1cccc(N)c1F DQKJOWIBISTPOK-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- JWZPKDAGQYRIMX-UHFFFAOYSA-N C1(CC1)CNC=1C(=C(C(=O)NC2=C(C=C(C=C2C(F)(F)F)C(C(F)(F)F)(C(F)(F)F)F)I)C=CC=1)F Chemical compound C1(CC1)CNC=1C(=C(C(=O)NC2=C(C=C(C=C2C(F)(F)F)C(C(F)(F)F)(C(F)(F)F)F)I)C=CC=1)F JWZPKDAGQYRIMX-UHFFFAOYSA-N 0.000 description 1
- 229940126062 Compound A Drugs 0.000 description 1
- NLDMNSXOCDLTTB-UHFFFAOYSA-N Heterophylliin A Natural products O1C2COC(=O)C3=CC(O)=C(O)C(O)=C3C3=C(O)C(O)=C(O)C=C3C(=O)OC2C(OC(=O)C=2C=C(O)C(O)=C(O)C=2)C(O)C1OC(=O)C1=CC(O)=C(O)C(O)=C1 NLDMNSXOCDLTTB-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
- HKVHDROIBFCDCA-UHFFFAOYSA-N NC=1C(=C(C(=O)OCCC)C=CC=1)F Chemical compound NC=1C(=C(C(=O)OCCC)C=CC=1)F HKVHDROIBFCDCA-UHFFFAOYSA-N 0.000 description 1
- 238000005481 NMR spectroscopy Methods 0.000 description 1
- FJWHDQTWCLLNGO-UHFFFAOYSA-N O=C(c(cccc1NCC2CC2)c1F)Nc(c(OC(F)(F)F)cc(C(C(F)(F)F)(C(F)(F)F)F)c1)c1Br Chemical compound O=C(c(cccc1NCC2CC2)c1F)Nc(c(OC(F)(F)F)cc(C(C(F)(F)F)(C(F)(F)F)F)c1)c1Br FJWHDQTWCLLNGO-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- AEILLAXRDHDKDY-UHFFFAOYSA-N bromomethylcyclopropane Chemical compound BrCC1CC1 AEILLAXRDHDKDY-UHFFFAOYSA-N 0.000 description 1
- VYXXXMWMWZGHDK-UHFFFAOYSA-N ethyl 3-amino-2-fluorobenzoate Chemical compound CCOC(=O)C1=CC=CC(N)=C1F VYXXXMWMWZGHDK-UHFFFAOYSA-N 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 239000012847 fine chemical Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- UOYDNSRSUSNCKS-UHFFFAOYSA-N methyl 3-amino-2-fluorobenzoate Chemical compound COC(=O)C1=CC=CC(N)=C1F UOYDNSRSUSNCKS-UHFFFAOYSA-N 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 239000011734 sodium Substances 0.000 description 1
- 229910052708 sodium Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- LMBFAGIMSUYTBN-MPZNNTNKSA-N teixobactin Chemical compound C([C@H](C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(=O)N[C@H](CCC(N)=O)C(=O)N[C@H]([C@@H](C)CC)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(=O)N[C@H]1C(N[C@@H](C)C(=O)N[C@@H](C[C@@H]2NC(=N)NC2)C(=O)N[C@H](C(=O)O[C@H]1C)[C@@H](C)CC)=O)NC)C1=CC=CC=C1 LMBFAGIMSUYTBN-MPZNNTNKSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C231/00—Preparation of carboxylic acid amides
- C07C231/12—Preparation of carboxylic acid amides by reactions not involving the formation of carboxamide groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C227/00—Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton
- C07C227/14—Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton from compounds containing already amino and carboxyl groups or derivatives thereof
- C07C227/18—Preparation of compounds containing amino and carboxyl groups bound to the same carbon skeleton from compounds containing already amino and carboxyl groups or derivatives thereof by reactions involving amino or carboxyl groups, e.g. hydrolysis of esters or amides, by formation of halides, salts or esters
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B37/00—Reactions without formation or introduction of functional groups containing hetero atoms, involving either the formation of a carbon-to-carbon bond between two carbon atoms not directly linked already or the disconnection of two directly linked carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/30—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group
- C07C67/317—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by splitting-off hydrogen or functional groups; by hydrogenolysis of functional groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C67/00—Preparation of carboxylic acid esters
- C07C67/30—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group
- C07C67/333—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by isomerisation; by change of size of the carbon skeleton
- C07C67/343—Preparation of carboxylic acid esters by modifying the acid moiety of the ester, such modification not being an introduction of an ester group by isomerisation; by change of size of the carbon skeleton by increase in the number of carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2601/00—Systems containing only non-condensed rings
- C07C2601/02—Systems containing only non-condensed rings with a three-membered ring
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Description
LC/MS [M+1]:m/z=521。
1H NMR(400 MHz, DMSO−d6)データは以下のとおりである(δ[ppm])。10.18 (s, 1H), 8.12 − 8.07 (m, 1H), 8.04 (d, J = 8.7 Hz, 1H), 7.92 (s, 1H), 7.10 (t, J = 7.9 Hz, 1H), 6.94 (t, J = 8.2 Hz, 1H), 6.90 − 6.82 (m, 1H), 5.82 − 5.72 (m, 1H), 3.03 (t, J = 6.2 Hz, 2H), 1.12 − 1.08 (m, 1H), 0.50 − 0.42 (m, 2H), 0.24 (q, J = 4.4 Hz, 2H)。
LC/MS [M+1]:m/z=224。
1H NMR(400 MHz, CDCl3)データは以下のとおりである(δ[ppm])。7.18 − 7.15 (m, 1H), 7.05 − 7.01 (m, 1H), 6.85 − 6.82 (m, 1H), 4.21 (br s, 1H), 3.93 (s, 3H), 3.01 (d, J = 5.6 Hz, 2H), 1.15 − 1.12 (m, 1H), 0.62 − 0.58 (m, 2H), 0.30−0.25 (m, 2H)。
LC/MS [M+1]:m/z=238。
LC/MS [M+1]:m/z=252。
LC/MS [M+1]:m/z=252。
LC/MS [M+1]:m/z=647。
1H NMR(400 MHz, DMSO−d6)データは以下のとおりである(δ[ppm])。10.53 (s, 1H), 8.41 (s, 1H), 7.97 (s, 1H), 7.11 (m, 1H), 6.96−6.91 (m, 1H), 6.84−6.81 (m, 1H), 5.79−5.75 (m, 1H), 3.04 (t, J = 6.2 Hz, 2H), 1.15−1.07 (m, 1H), 0.49−0.44 (m, 2H), 0.28−0.24 (m, 2H)。
LC/MS [M+1]:m/z=598。
1H NMR(400 MHz, DMSO−d6)データは以下のとおりである(δ[ppm])。1H NMR (400 MHz, DMSO−d6) 10.01 (s, 1H), 7.66 (s, 1H), 7.30 (s, 1H), 7.09 (t, J = 72.0 Hz, 1H), 6.85 (t, J = 7.8 Hz, 1H), 6.69 (t, J = 7.7 Hz, 1H), 6.56 (t, J = 6.2 Hz, 1H), 5.47 (s, 1H), 2.79 (t, J = 5.7 Hz, 2H), 0.90 − 0.80 (m, 1H), 0.24 − 0.18 (m, 2H), 0.01 (q, J = 4.9 Hz, 2H)。
LC/MS [M+1]:m/z=600。
1H NMR(400 MHz, DMSO−d6)データは以下のとおりである(δ[ppm])。10.54 (s, 1H), 8.42 (s, 1H), 7.96 (s, 1H), 7.10 (t, J = 8.0 Hz, 1H), 6.96−6.91 (m, 1H), 6.83 − 6.79 (m, 1H), 5.79 − 5.75 (m, 1H), 3.03 (t, J = 6.2 Hz, 2H), 1.14 − 1.05 (m, 1H), 0.48 − 0.43 (m, 2H), 0.29−0.23 (m, 2H)。
LC/MS [M+1]:m/z=616。
1H NMR(400 MHz, DMSO−d6)データは以下のとおりである(δ[ppm])。10.53 (s, 1H), 8.10 (s, 1H), 7.78 (s, 1H), 7.13−7.07 (m, 1H), 6.96−6.91 (m, 1H), 6.78 − 6.75 (m, 1H), 5.78 − 5.74 (m, 1H), 3.03 (t, J = 6.2 Hz, 2H), 0.98 − 0.90 (m, 1H), 0.26−0.22 (m, 2H), 0.16−0.12 (m, 2H)。
LC/MS [M+1]:m/z=566。
1H NMR(400 MHz, DMSO−d6)データは以下のとおりである(δ[ppm])。10.53 (s, 1H), 8.45 (s, 1H), 8.02 (s, 1H), 7.12 (t, J = 8.0 Hz, 1H), 6.97−6.93 (m, 1H), 6.86 − 6.80 (m, 1H), 5.78 − 5.75 (m, 1H), 3.05 (m, 2H), 1.16 − 1.09 (m, 1H), 0.49 − 0.43 (m, 2H), 0.30−0.24 (m, 2H)。
LC/MS [M+1]:m/z=589。
1H NMR(400 MHz, DMSO−d6)データは以下のとおりである(δ[ppm])。10.55 (s, 1H), 8.43 (s, 1H), 8.06 (s, 1H), 7.14 (t, J = 8.0 Hz, 1H), 6.99−6.95 (m, 1H), 6.86 − 6.81 (m, 1H), 5.79 − 5.75 (m, 1H), 3.06 (m, 2H), 1.17 − 1.11 (m, 1H), 0.48 − 0.42 (m, 2H), 0.31−0.24 (m, 2H)。
Claims (10)
- 式IVの化合物およびシクロプロピルホルムアルデヒドを原料とし、金属亜鉛および酸が存在する系で反応させ、式Iに示すN−シクロプロピルメチルアニリン系化合物を生成し、反応式は以下のとおりである、ことを特徴とするN−シクロプロピルメチルアニリン系化合物の調製方法。
- 前記金属亜鉛は亜鉛粉末またはブロック状の金属亜鉛であり、亜鉛粉末であることが好ましく、
好ましくは、前記酸が無機酸または有機酸であり、ギ酸、酢酸、塩酸、または硫酸であることが好ましい、ことを特徴とする請求項1または2に記載の調製方法。 - 前記式IVの化合物とシクロプロピルホルムアルデヒドとのモル比が1:(1〜3)である、ことを特徴とする請求項1〜3のいずれか1項に記載の調製方法。
- 式IVの化合物と金属亜鉛とのモル比が1:(1〜4)であり、
好ましくは、式IVの化合物と酸とのモル比が1:(1〜4)である、ことを特徴とする請求項1〜4のいずれか1項に記載の調製方法。 - 前記反応の溶媒は、アルコール系溶媒、エステル系溶媒、エーテル系溶媒、またはハロゲン化炭化水素系溶媒のうちのいずれか1種であり、
好ましくは、前記アルコール系溶媒が、メタノール、エタノール、またはイソプロパノールのうちのいずれか1種または少なくとも2種の組み合わせであり、
好ましくは、前記エステル系溶媒が、酢酸エチルおよび/または酢酸ブチルであり、
好ましくは、前記エーテル系溶媒が、エチルエーテル、メチルt−ブチルエーテル、またはテトラヒドロフランのうちのいずれか1種または少なくとも2種の組み合わせであり、
好ましくは、前記ハロゲン化炭化水素系溶媒が、ジクロロメタンおよび/またはジクロロエタンである、ことを特徴とする請求項1〜5のいずれか1項に記載の調製方法。 - 前記式IVの化合物と溶媒との質量比が1:(2〜8)である、ことを特徴とする請求項1〜6のいずれか1項に記載の調製方法。
- 前記反応の温度が35℃〜80℃である、ことを特徴とする請求項1〜7のいずれか1項に記載の調製方法。
- 前記反応の時間が2〜5時間である、ことを特徴とする請求項1〜8のいずれか1項に記載の調製方法。
- モル比が1:(1〜3)である式IVの化合物およびシクロプロピルホルムアルデヒドを原料とし、金属亜鉛および酸が存在する系において、35℃〜80℃で2〜5時間反応させ、式Iに示すN−シクロプロピルメチルアニリン系化合物を取得し、式IVの化合物と金属亜鉛とのモル比が1:(1〜4)であり、式IVの化合物と酸とのモル比が1:(1〜4)である、ことを特徴とする請求項1〜9のいずれか1項に記載の調製方法。
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