WO2011158813A1 - N-置換-2-アミノ-4-(ヒドロキシメチルホスフィニル)-2-ブテン酸の製造法 - Google Patents
N-置換-2-アミノ-4-(ヒドロキシメチルホスフィニル)-2-ブテン酸の製造法 Download PDFInfo
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- WO2011158813A1 WO2011158813A1 PCT/JP2011/063546 JP2011063546W WO2011158813A1 WO 2011158813 A1 WO2011158813 A1 WO 2011158813A1 JP 2011063546 W JP2011063546 W JP 2011063546W WO 2011158813 A1 WO2011158813 A1 WO 2011158813A1
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- Prior art keywords
- group
- hydroxymethylphosphinyl
- acid
- acetic acid
- toluene
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title abstract description 20
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims abstract description 93
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims abstract description 51
- 150000001875 compounds Chemical class 0.000 claims abstract description 32
- 238000006243 chemical reaction Methods 0.000 claims abstract description 18
- 239000002904 solvent Substances 0.000 claims abstract description 16
- 125000004178 (C1-C4) alkyl group Chemical group 0.000 claims abstract description 14
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 13
- 125000004435 hydrogen atom Chemical group [H]* 0.000 claims abstract description 11
- 239000012046 mixed solvent Substances 0.000 claims abstract description 11
- 239000003960 organic solvent Substances 0.000 claims abstract description 8
- 239000003377 acid catalyst Substances 0.000 claims abstract description 7
- 238000002156 mixing Methods 0.000 claims abstract description 6
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 claims abstract description 5
- 239000008096 xylene Substances 0.000 claims abstract description 5
- 125000003118 aryl group Chemical group 0.000 claims abstract description 4
- 125000004104 aryloxy group Chemical group 0.000 claims abstract description 4
- 125000000051 benzyloxy group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])O* 0.000 claims abstract description 3
- 238000010992 reflux Methods 0.000 claims abstract description 3
- 239000000203 mixture Substances 0.000 claims description 17
- 125000003545 alkoxy group Chemical group 0.000 claims description 10
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 claims description 6
- JYJHYDQTKRVCTD-UTCJRWHESA-N CCOC(=O)N\C(C(O)=O)=C/CP(=O)CO Chemical compound CCOC(=O)N\C(C(O)=O)=C/CP(=O)CO JYJHYDQTKRVCTD-UTCJRWHESA-N 0.000 claims description 4
- 125000001301 ethoxy group Chemical group [H]C([H])([H])C([H])([H])O* 0.000 claims description 4
- GOARDZSMDAQIQZ-DJWKRKHSSA-N COC(=O)N\C(C(O)=O)=C/CP(=O)CO Chemical compound COC(=O)N\C(C(O)=O)=C/CP(=O)CO GOARDZSMDAQIQZ-DJWKRKHSSA-N 0.000 claims description 3
- -1 (Z)-N-substituted-2-amino-4-(hydroxymethylphosphinyl)-2-butenoic acid Chemical class 0.000 abstract description 20
- 230000018044 dehydration Effects 0.000 abstract description 10
- 238000006297 dehydration reaction Methods 0.000 abstract description 10
- 238000010438 heat treatment Methods 0.000 abstract description 10
- 238000009833 condensation Methods 0.000 abstract description 4
- 230000005494 condensation Effects 0.000 abstract description 4
- 125000000229 (C1-C4)alkoxy group Chemical group 0.000 abstract 1
- DLFVBJFMPXGRIB-UHFFFAOYSA-N Acetamide Chemical compound CC(N)=O DLFVBJFMPXGRIB-UHFFFAOYSA-N 0.000 description 12
- GTCAXTIRRLKXRU-UHFFFAOYSA-N methyl carbamate Chemical compound COC(N)=O GTCAXTIRRLKXRU-UHFFFAOYSA-N 0.000 description 12
- 238000003756 stirring Methods 0.000 description 11
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 10
- KJIFKLIQANRMOU-UHFFFAOYSA-N oxidanium;4-methylbenzenesulfonate Chemical compound O.CC1=CC=C(S(O)(=O)=O)C=C1 KJIFKLIQANRMOU-UHFFFAOYSA-N 0.000 description 10
- BXPLBWFXIZTLFG-UHFFFAOYSA-O (3-carboxy-3-oxopropyl)-(hydroxymethyl)-oxophosphanium Chemical compound OC[P+](=O)CCC(=O)C(O)=O BXPLBWFXIZTLFG-UHFFFAOYSA-O 0.000 description 9
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 7
- 239000000243 solution Substances 0.000 description 7
- KXDAEFPNCMNJSK-UHFFFAOYSA-N Benzamide Chemical compound NC(=O)C1=CC=CC=C1 KXDAEFPNCMNJSK-UHFFFAOYSA-N 0.000 description 6
- JOYRKODLDBILNP-UHFFFAOYSA-N Ethyl urethane Chemical compound CCOC(N)=O JOYRKODLDBILNP-UHFFFAOYSA-N 0.000 description 6
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 6
- 238000004128 high performance liquid chromatography Methods 0.000 description 6
- 239000002244 precipitate Substances 0.000 description 6
- 239000002994 raw material Substances 0.000 description 6
- 239000000543 intermediate Substances 0.000 description 5
- 238000005259 measurement Methods 0.000 description 5
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- 238000006482 condensation reaction Methods 0.000 description 4
- 238000001816 cooling Methods 0.000 description 4
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 4
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 4
- 125000004123 n-propyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])* 0.000 description 4
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 4
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 4
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 4
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical group CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- PUJDIJCNWFYVJX-UHFFFAOYSA-N benzyl carbamate Chemical compound NC(=O)OCC1=CC=CC=C1 PUJDIJCNWFYVJX-UHFFFAOYSA-N 0.000 description 3
- 125000004432 carbon atom Chemical group C* 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- 230000002363 herbicidal effect Effects 0.000 description 3
- 239000004009 herbicide Substances 0.000 description 3
- 238000006317 isomerization reaction Methods 0.000 description 3
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 3
- CFCNTIFLYGKEIO-UHFFFAOYSA-N 2-isocyanoacetic acid Chemical compound OC(=O)C[N+]#[C-] CFCNTIFLYGKEIO-UHFFFAOYSA-N 0.000 description 2
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 2
- APTMMFHTUIELNY-KXFIGUGUSA-N CC(=O)N\C(C(O)=O)=C/CP(=O)CO Chemical compound CC(=O)N\C(C(O)=O)=C/CP(=O)CO APTMMFHTUIELNY-KXFIGUGUSA-N 0.000 description 2
- RTHCZKNXXHSGEN-UTCJRWHESA-N CCC(=O)N\C(C(O)=O)=C/CP(=O)CO Chemical compound CCC(=O)N\C(C(O)=O)=C/CP(=O)CO RTHCZKNXXHSGEN-UTCJRWHESA-N 0.000 description 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 2
- 238000006546 Horner-Wadsworth-Emmons reaction Methods 0.000 description 2
- AFVFQIVMOAPDHO-UHFFFAOYSA-N Methanesulfonic acid Chemical compound CS(O)(=O)=O AFVFQIVMOAPDHO-UHFFFAOYSA-N 0.000 description 2
- JADFLDGSKNAUFA-POHAHGRESA-N OCP(=O)C\C=C(C(O)=O)/NC(=O)C1=CC=CC=C1 Chemical compound OCP(=O)C\C=C(C(O)=O)/NC(=O)C1=CC=CC=C1 JADFLDGSKNAUFA-POHAHGRESA-N 0.000 description 2
- JHPGXFDKJAXFHC-WDZFZDKYSA-N OCP(=O)C\C=C(C(O)=O)/NC(=O)OCC1=CC=CC=C1 Chemical compound OCP(=O)C\C=C(C(O)=O)/NC(=O)OCC1=CC=CC=C1 JHPGXFDKJAXFHC-WDZFZDKYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- DTQVDTLACAAQTR-UHFFFAOYSA-N Trifluoroacetic acid Chemical compound OC(=O)C(F)(F)F DTQVDTLACAAQTR-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 125000000217 alkyl group Chemical group 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 125000001309 chloro group Chemical group Cl* 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 125000005843 halogen group Chemical group 0.000 description 2
- 125000004108 n-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 2
- 125000001424 substituent group Chemical group 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 230000002194 synthesizing effect Effects 0.000 description 2
- 238000005160 1H NMR spectroscopy Methods 0.000 description 1
- FNJQGUKETYGBGL-BYPYZUCNSA-N OC(=O)[C@@H](N)CCP(=O)CO Chemical compound OC(=O)[C@@H](N)CCP(=O)CO FNJQGUKETYGBGL-BYPYZUCNSA-N 0.000 description 1
- IFILAINTMNFQIX-UHFFFAOYSA-N OCP(=O)CCC(=O)C(O)=O Chemical class OCP(=O)CCC(=O)C(O)=O IFILAINTMNFQIX-UHFFFAOYSA-N 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 125000004429 atom Chemical group 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
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 239000012295 chemical reaction liquid Substances 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229960000443 hydrochloric acid Drugs 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 125000002510 isobutoxy group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])O* 0.000 description 1
- 125000003253 isopropoxy group Chemical group [H]C([H])([H])C([H])(O*)C([H])([H])[H] 0.000 description 1
- 229940098779 methanesulfonic acid Drugs 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 125000006606 n-butoxy group Chemical group 0.000 description 1
- 125000003506 n-propoxy group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])O* 0.000 description 1
- 125000001624 naphthyl group Chemical group 0.000 description 1
- 150000007524 organic acids Chemical class 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000013341 scale-up Methods 0.000 description 1
- 230000003595 spectral effect Effects 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 125000003107 substituted aryl group Chemical group 0.000 description 1
- 229940032330 sulfuric acid Drugs 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/28—Phosphorus compounds with one or more P—C bonds
- C07F9/30—Phosphinic acids [R2P(=O)(OH)]; Thiophosphinic acids ; [R2P(=X1)(X2H) (X1, X2 are each independently O, S or Se)]
- C07F9/302—Acyclic unsaturated acids
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/28—Phosphorus compounds with one or more P—C bonds
- C07F9/30—Phosphinic acids [R2P(=O)(OH)]; Thiophosphinic acids ; [R2P(=X1)(X2H) (X1, X2 are each independently O, S or Se)]
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B61/00—Other general methods
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/28—Phosphorus compounds with one or more P—C bonds
- C07F9/30—Phosphinic acids [R2P(=O)(OH)]; Thiophosphinic acids ; [R2P(=X1)(X2H) (X1, X2 are each independently O, S or Se)]
- C07F9/301—Acyclic saturated acids which can have further substituents on alkyl
Definitions
- the present invention is based on the priority claim based on the Paris Convention of Japanese Patent Application No. 2010-136373 (filed on Jun. 15, 2010), the entire contents of which are incorporated herein by reference. It shall be described.
- the present invention relates to N-substituted-2-amino-4 which is a useful production intermediate of the herbicide L-2-amino-4- (hydroxymethylphosphinyl) -butanoic acid (hereinafter abbreviated as L-AMPB). It relates to the production of-(hydroxymethylphosphinyl) -2-butenoic acid derivatives.
- N-substituted-2-amino-4- (hydroxymethylphosphinyl) -2-butenoic acid derivatives are synthetic intermediates of L-AMPB having herbicidal activity (Japanese Patent Laid-Open No. Sho 56- No. 92897 (Patent Document 1), J. Org. Chem., 56, 1783-1788 (1991) (Non-Patent Document 1)).
- N-substituted-2-amino-4- (hydroxymethylphosphinyl) -2-butenoic acid derivatives have been produced by condensing 2-oxo-4- (hydroxymethylphosphinyl) -butanoic acid with acetamide.
- a method of synthesizing by condensing a phosphinylacetaldehyde derivative and isocyanoacetate (Non-patent Document 1).
- a method of synthesizing by a Horner-Emmons type reaction of a phosphorylglycine derivative and a phosphinylacetaldehyde derivative has been reported (Patent Document 3).
- Patent Documents 1, 2, 3 and Non-Patent Document 1 are incorporated herein by reference.
- the method of condensing 2-oxo-4- (hydroxymethylphosphinyl) -butanoic acid and acetamide described in Patent Document 1 heats the substrate in a solvent-free state under reduced pressure, and is handled in large quantities. It is difficult.
- the method of condensing with acetamide described in Patent Document 2 and Non-Patent Document 1 has a moderate yield, but the solubility or dispersibility of the substrate and the reaction product in the solvent is poor, and accompanying the scale-up There are problems in yield reduction and operability.
- Non-Patent Document 1 The method of condensing the phosphinylacetaldehyde derivative and isocyanoacetate described in Non-Patent Document 1 is different in the same point, and is problematic in that the reagent is expensive and the difficulty in the preparation method of the phosphinylacetaldehyde derivative. Therefore, development of a manufacturing method capable of realizing industrial production is desired.
- the present invention efficiently produces (Z) -N-substituted-2-amino-4- (hydroxymethylphosphinyl) -2-butenoic acid derivatives, which are intermediates for the production of L-AMPB, which are useful as herbicides. It aims to provide a way to do.
- the present inventor has examined in detail the reaction conditions for the dehydration condensation of the 2-oxo-4- (hydroxymethylphosphinyl) -butanoic acid derivative and the amide compound described in Patent Document 2 and Non-Patent Document 1.
- an N-substituted-2-amino-4- (hydroxymethylphosphinyl) -2-butenoic acid derivative was obtained in a yield exceeding that reported above, and the present invention was completed.
- the present invention provides the following formula (1) (1) [Wherein R 1 represents a hydrogen atom or a C 1-4 alkyl group], and a compound represented by the following formula (2) (2) [Wherein R 2 represents a C 1-4 alkyl group, a C 1-4 alkoxy group, an aryl group, an aryloxy group, or a benzyloxy group] in the presence or absence of an acid catalyst
- R 1 and R 2 represent the same meaning as defined above]
- the organic solvent used in the reaction is toluene, xylene, and chlorobenzene
- the solvent is a solvent selected from the group consisting of acetic acid and acetic acid, and the mixing ratio thereof is 3 to 5 volumes with respect to 1 volume of acetic acid. To do.
- the organic solvent to be used is a mixed solvent of acetic acid and a solvent selected from the group consisting of toluene, xylene, and chlorobenzene. It is preferably 3 to 5 volumes, and more preferably 4 to 5 volumes.
- the organic solvent to be used is a mixed solvent of toluene and acetic acid, and the mixing ratio is preferably 3 to 5 volumes of toluene with respect to 1 volume of acetic acid. More preferably, it is ⁇ 5 volumes.
- the compound represented by the formula (2) is preferably acetamide, benzamide, methyl carbamate, ethyl carbamate, or benzyl carbamate, and may be methyl carbamate or ethyl carbamate. Further preferred.
- an N-substituted-2-amino-4- (hydroxymethylphosphinyl) -2-butenoic acid derivative which is an intermediate for producing the herbicide L-AMPB
- the production method of the present invention performs dehydration condensation while isomerizing to the desired geometric isomer, the production ratio of the Z form is increased compared to the conventional production method, and as a result, the yield is improved. Yes. Therefore, the present invention is particularly useful as a method for producing a (Z) -N-substituted-2-amino-4- (hydroxymethylphosphinyl) -2-butenoic acid derivative.
- the C 1-4 alkyl group represented by R 1 means a linear or branched alkyl group having 1 to 4 carbon atoms, and more specifically, a methyl group, ethyl group, n-propyl group, isopropyl group, n- Examples thereof include a butyl group, a 2-butyl group, an isobutyl group, and a t-butyl group. Preferably, they are a methyl group and an ethyl group.
- the C 1-4 alkyl group represented by R 2 means a linear or branched alkyl group having 1 to 4 carbon atoms, and more specifically, methyl group, ethyl group, n-propyl group, isopropyl group, n- Examples thereof include a butyl group, a 2-butyl group, an isobutyl group, and a t-butyl group. Preferably, they are a methyl group and an ethyl group.
- the C 1-4 alkoxy group represented by R 2 means a linear or branched alkoxy group having 1 to 4 carbon atoms, and more specifically, a methoxy group, an ethoxy group, an n-propoxy group, an isopropoxy group, n -Butoxy group, 2-butoxy group, isobutoxy group, t-butoxy group and the like can be mentioned. Preferably, it is a methoxy group or an ethoxy group.
- Examples of the group represented by R 2 or the aryl group on the group include a phenyl group and a naphthyl group.
- the substituted aryl group represented by R 2 means that one or more hydrogen atoms on the benzene ring, preferably 1 to 3 hydrogen atoms, are substituted.
- the substituent include a methyl group , Ethyl group, n-propyl group, isopropyl group, n-butyl group, 2-butyl group, isobutyl group, t-butyl group or other linear or branched C 1-4 alkyl group, fluorine, chlorine atom, bromine Examples thereof include halogen atoms such as atoms, and C 1-4 alkoxy groups such as methoxy groups.
- the substituted aryloxy group represented by R 2 means that one or more hydrogen atoms, preferably 1 to 3 hydrogen atoms on the benzene ring are substituted, and specific substituents include methyl Group, ethyl group, n-propyl group, isopropyl group, n-butyl group, 2-butyl group, isobutyl group, t-butyl group and the like linear or branched C 1-4 alkyl group, fluorine, chlorine atom, Examples thereof include a halogen atom such as a bromine atom and a C 1-4 alkoxy group such as a methoxy group.
- R 1 is preferably a hydrogen atom or a C 1-4 alkyl group, more preferably a hydrogen atom.
- Specific examples of the compound represented by the formula (1) include 2-oxo-4- (hydroxymethylphosphinyl) -butanoic acid, 2-oxo-4- (hydroxymethylphosphinyl) -methyl butanoate, 2-oxo-4- (hydroxymethylphosphinyl) -ethyl butanoate, 2-Oxo-4- (hydroxymethylphosphinyl) -butanoic acid is preferred.
- R 2 is preferably a C 1-4 alkyl group or a C 1-4 alkoxy group, more preferably a C 1-4 alkoxy group.
- Specific examples of the compound represented by the formula (2) include Acetamide, Benzamide, Methyl carbamate, Ethyl carbamate, Benzyl carbamate, Preferable is methyl carbamate or ethyl carbamate.
- R 1 is preferably a hydrogen atom or a C 1-4 alkyl group, more preferably a hydrogen atom.
- R 2 is preferably a C 1-4 alkyl group or a C 1-4 alkoxy group, more preferably a C 1-4 alkoxy group.
- the compound represented by the formula (3) include (Z) -2-acetamido-4- (hydroxymethylphosphinyl) -2-butenoic acid, (Z) -2-acetamido-4- (hydroxymethylphosphinyl) -2-butenoate methyl, (Z) -2-acetamido-4- (hydroxymethylphosphinyl) -2-butenoate, (Z) -2-propionylamino-4- (hydroxymethylphosphinyl) -2-butenoic acid, (Z) -2-propionylamino-4- (hydroxymethylphosphinyl) -2-butenoate methyl, (Z) -2-propionylamino-4- (hydroxymethylphosphinyl) -2-butenoate, (Z) -2-methoxycarbonylamino-4- (hydroxymethylphosphinyl) -2-butenoic acid, (Z) -2-methoxycarbonylamino-4- (hydroxymethylphosphiny
- the organic solvent to be used is preferably a mixed solvent of acetic acid and a solvent selected from the group consisting of toluene, xylene, and chlorobenzene. More preferably, it is a mixed solvent of toluene and acetic acid.
- the mixing ratio of the mixed solvent is preferably 3 to 5 volumes with respect to 1 volume of acetic acid. More preferably, the volume is 4 to 5 volumes.
- the use amount of the mixed solvent is preferably 5 to 20 times the volume of the compound represented by the formula (1). More preferably, the capacity is 7 to 10 times.
- a geometrical isomer mixture of dehydroamino acid derivatives obtained as a result of a dehydration condensation reaction is isomerized to a Z-form by using an acid catalyst. It is known that it can be done. Also in the production method of the present invention, a mixture of geometric isomers of N-substituted-2-amino-4- (hydroxymethylphosphinyl) -2-butenoic acid derivatives can be isomerized to a desired Z form. .
- an acid catalyst can be used if necessary, but the acid catalyst used is a mineral acid such as hydrochloric acid or sulfuric acid, or methanesulfonic acid, benzenesulfonic acid, p-toluenesulfonic acid, trifluoroacetic acid.
- the organic acid include hydrochloric acid and p-toluenesulfonic acid.
- the amount of the acid catalyst used is preferably 0.01 to 0.5 equivalents relative to the compound represented by the formula (1). More preferably, it is 0.02 to 0.1 equivalent.
- the isomerization step can be performed simultaneously with the progress of the dehydration condensation reaction, but can also be performed separately after completion of the dehydration condensation reaction.
- examples of the compound represented by the formula (2) include acetamide, benzamide, methyl carbamate, ethyl carbamate, benzyl carbamate and the like, and methyl carbamate or ethyl carbamate is more preferable.
- the amount of the compound represented by the formula (2) is preferably 1 to 5 equivalents relative to the compound represented by the formula (1). More preferably, it is 1.1 to 2.0 equivalents.
- the reaction temperature varies depending on the solvent used, it is 20 to 150 ° C., preferably 80 to 120 ° C.
- the reaction is usually carried out while separating generated water. Preferably, it is carried out using a separator such as a Dean-Stark trap.
- the reaction time is usually 1 to 10 hours, preferably 3 to 7 hours.
- the compound represented by the formula (3) is precipitated in the reaction solution, it is filtered, or the precipitate obtained by concentrating the solvent under reduced pressure and substituting with another suitable solvent is filtered. Can be isolated.
- Example 1 (Z) -2-Methoxycarbonylamino-4- (hydroxymethylphosphinyl) -2-butenoic acid methyl carbamate 7.085 g, p-toluenesulfonic acid monohydrate 0.275 g and JP-A 56- 10.000 g of 2-oxo-4- (hydroxymethylphosphinyl) -butanoic acid prepared by the method described in Japanese Patent No. 92897 was suspended in 16 mL of acetic acid. The mixture was dissolved by heating, and 64 mL of toluene was added and refluxed with vigorous stirring. The internal temperature of the reaction solution was 106-108 ° C.
- Example 2 (Z) -2-acetamido-4- (hydroxymethylphosphinyl) -2-butenoic acid acetamide 6.559 g, p-toluenesulfonic acid monohydrate 0.275 g and 2-oxo-4- (hydroxymethyl) Phosphinyl) -butanoic acid (10.000 g) was added to acetic acid (16 mL) and suspended. The mixture was dissolved by heating, and 72 mL of toluene was added and refluxed with vigorous stirring. The internal temperature of the reaction solution was 106-108 ° C. After 3 hours, it was confirmed by HPLC measurement that the raw material had almost disappeared. At this time, the area ratio of the Z body and the E body was 92: 8.
- Example 3 (Z) -2-Methoxycarbonylamino-4- (hydroxymethylphosphinyl) -2-butenoic acid methyl carbamate 5.835 g and 2-oxo-4- (hydroxymethylphosphinyl) -butanoic acid 10.000 g was added to 17 mL of acetic acid and suspended. The mixture was dissolved by heating, and 68 mL of toluene was added and refluxed with vigorous stirring. The internal temperature of the reaction solution was 106-108 ° C. After 4 hours, it was confirmed by HPLC measurement that the raw materials had almost disappeared. At this time, the area ratio of the Z body and the E body was 94: 6.
- Example 4 (Z) -2-Methoxycarbonylamino-4- (hydroxymethylphosphinyl) -2-butenoic acid methyl carbamate 5.835 g, p-toluenesulfonic acid monohydrate 0.275 g and 2-oxo-4 -(Hydroxymethylphosphinyl) -butanoic acid (10.000 g) was added to acetic acid (16 mL) and suspended. The mixture was dissolved by heating, 80 mL of chlorobenzene was added, and the mixture was refluxed with vigorous stirring. While maintaining the internal temperature of the reaction liquid at 106 to 110 ° C. by slightly reducing the pressure, the distillate was appropriately removed, and the volume of chlorobenzene added was added.
- the area ratio of the Z body and the E body was 81:19.
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Abstract
Description
本発明は、日本国特許出願:特願2010-136373号(2010年6月15日出願)のパリ条約に基づく優先権主張に基づくものであり、同出願の全記載内容は引用をもって本書に組み込み記載されているものとする。
本発明は、除草剤L-2-アミノ-4-(ヒドロキシメチルホスフィニル)-ブタン酸(以下L-AMPBと略記する)の有用な製造中間体であるN-置換-2-アミノ-4-(ヒドロキシメチルホスフィニル)-2-ブテン酸誘導体の製造に関するものである。
また、ホスホリルグリシン誘導体とホスフィニルアセトアルデヒド誘導体のHorner-Emmonsタイプの反応により合成する方法が報告されている(特許文献3)。
しかし、特許文献1に記載の2-オキソ-4-(ヒドロキシメチルホスフィニル)-ブタン酸とアセトアミドを縮合する方法は、減圧下に基質を無溶媒で加熱するものであり、大量に扱うことは困難である。一方、特許文献2および非特許文献1に記載のアセトアミドと縮合する方法は、中程度の収率であるが、基質および反応生成物の溶媒への溶解性または分散性が悪く、スケールアップに伴う収率低下や操作性において問題がある。さらに、WO 2008/029754に記載されているように、L-AMPBの合成中間体として特に有用である幾何異性体は(Z)-N-置換-2-アミノ-4-(ヒドロキシメチルホスフィニル)-2-ブテン酸誘導体(以下Z体と略記する)であるが、反応条件とZ体生成比率についての相関が特許文献2および非特許文献1には何ら記載されていない。
一方、特許文献3に記載のHorner-Emmonsタイプの反応により合成する方法は、2-オキソ-4-(ヒドロキシメチルホスフィニル)-ブタン酸を原料として用いる本発明の方法とは反応基質が異なっている。非特許文献1に記載のホスフィニルアセトアルデヒド誘導体とイソシアノアセテートを縮合させる方法も同様の点で異なることに加え、試薬が高価であることやホスフィニルアセトアルデヒド誘導体の調製方法の難しさに問題があり、工業的生産を実現し得る製造方法の開発が望まれている。
[式中、R1は水素原子、またはC1-4アルキル基を表す]で表される化合物と、次式(2)
[式中、R2はC1-4アルキル基、C1-4アルコキシ基、アリール基、アリールオキシ基、またはベンジルオキシ基を表す] で表される化合物を、酸触媒の存在下または非存在下に所望の幾何異性体へ変換させながら脱水縮合することにより、次式(3)
[式中、R1およびR2は、前記で定義したことと同一の意味を表す]で表される化合物を製造する方法であって、反応に使用する有機溶媒が、トルエン、キシレン、およびクロロベンゼンからなる群より選択される溶媒と酢酸との混合溶媒であり、その混合比率が酢酸1容量に対して他の溶媒が3~5容量である条件下、加熱還流することにより実施する方法を提供するものである。
2-オキソ-4-(ヒドロキシメチルホスフィニル)-ブタン酸、
2-オキソ-4-(ヒドロキシメチルホスフィニル)-ブタン酸メチル、
2-オキソ-4-(ヒドロキシメチルホスフィニル)-ブタン酸エチルが挙げられ、
好ましくは2-オキソ-4-(ヒドロキシメチルホスフィニル)-ブタン酸である。
アセトアミド、
ベンズアミド、
メチルカルバメート、
エチルカルバメート、
ベンジルカルバメートが挙げられ、
好ましくは、メチルカルバメートまたはエチルカルバメートである。
(Z)-2-アセトアミド-4-(ヒドロキシメチルホスフィニル)-2-ブテン酸、
(Z)-2-アセトアミド-4-(ヒドロキシメチルホスフィニル) -2-ブテン酸メチル、
(Z)-2-アセトアミド-4-(ヒドロキシメチルホスフィニル) -2-ブテン酸エチル、
(Z)-2-プロピオニルアミノ-4-(ヒドロキシメチルホスフィニル) -2-ブテン酸、
(Z)-2-プロピオニルアミノ-4-(ヒドロキシメチルホスフィニル) -2-ブテン酸メチル、
(Z)-2-プロピオニルアミノ-4-(ヒドロキシメチルホスフィニル) -2-ブテン酸エチル、
(Z)-2-メトキシカルボニルアミノ-4-(ヒドロキシメチルホスフィニル) -2-ブテン酸、
(Z)-2-メトキシカルボニルアミノ-4-(ヒドロキシメチルホスフィニル) -2-ブテン酸メチル、
(Z)-2-メトキシカルボニルアミノ-4-(ヒドロキシメチルホスフィニル) -2-ブテン酸エチル、
(Z)-2-エトキシカルボニルアミノ-4-(ヒドロキシメチルホスフィニル) -2-ブテン酸、
(Z)-2-エトキシカルボニルアミノ-4-(ヒドロキシメチルホスフィニル) -2-ブテン酸メチル、
(Z)-2-エトキシカルボニルアミノ-4-(ヒドロキシメチルホスフィニル) -2-ブテン酸エチル、
(Z)-2-ベンゾイルアミノ-4-(ヒドロキシメチルホスフィニル) -2-ブテン酸、
(Z)-2-ベンゾイルアミノ-4-(ヒドロキシメチルホスフィニル) -2-ブテン酸メチル、
(Z)-2-ベンゾイルアミノ-4-(ヒドロキシメチルホスフィニル) -2-ブテン酸エチル、
(Z)-2-ベンジルオキシカルボニルアミノ-4-(ヒドロキシメチルホスフィニル) -2-ブテン酸、
(Z)-2-ベンジルオキシカルボニルアミノ-4-(ヒドロキシメチルホスフィニル) -2-ブテン酸メチル、
または
(Z)-2-ベンジルオキシカルボニルアミノ-4-(ヒドロキシメチルホスフィニル) -2-ブテン酸エチルが挙げられ、
好ましくは、(Z)-2-メトキシカルボニルアミノ-4-(ヒドロキシメチルホスフィニル)-2-ブテン酸または(Z)-2-エトキシカルボニルアミノ-4-(ヒドロキシメチルホスフィニル) -2-ブテン酸である。
カラム:野村化学Develosil 5C30-U-G 4.6×250mm
カラム温度:室温付近の一定温度
移動相:A=0.1%リン酸水溶液、B=アセトニトリル
カルバミン酸メチル 7.085g、p-トルエンスルホン酸一水和物 0.275gおよび特開昭56-92897号公報に記載の方法で調製した2-オキソ-4-(ヒドロキシメチルホスフィニル)-ブタン酸10.000gを酢酸16 mLに加えて縣濁させた。加熱して溶解し、トルエン64 mLを加えて激しく攪拌しながら還流した。反応液の内部温度は106~108℃であった。1時間30分後にトルエンをさらに8 mL加えて攪拌を続けた。 3時間後、HPLC測定により原料がほぼ消失したことを確認した。このとき、Z体とE体の面積比は94:6であった。減圧下、約60 mLの溶媒を留去して、酢酸を20 mL加えて80℃で1時間攪拌した。徐々に室温まで冷却して一晩攪拌して得られた沈殿物を濾過して、酢酸で洗浄した。次いで、アセトンで洗浄して、40~50℃で減圧下5時間乾燥して、表題化合物を10.625g得た(収率80.7%、Z:E=99.6:0.4)。
mp 254 - 256 ℃
1H-NMR (D2O) δ 6.59 (dt, 1H, J = 6.8, 8.1 Hz), 3.55 (s, 3H), 2.68 (dd, 2H, J = 8.3, 18.8 Hz), 1.31 (d, 3H, J = 14.2 Hz)
MS (ES+) m/z 238 [M+H]+
アセトアミド 6.559g、p-トルエンスルホン酸一水和物 0.275gおよび2-オキソ-4-(ヒドロキシメチルホスフィニル)-ブタン酸10.000gを酢酸16 mLに加えて縣濁させた。加熱して溶解し、トルエン72 mLを加えて激しく攪拌しながら還流した。反応液の内部温度は106~108℃であった。3時間後、HPLC測定により原料がほぼ消失したことを確認した。このとき、Z体とE体の面積比は92:8であった。減圧下、約60 mLの溶媒を留去して、酢酸を20 mL加えて80℃で30分攪拌した。徐々に室温まで冷却して一晩攪拌して得られた沈殿物を濾過して、酢酸で洗浄した。次いで、アセトンで洗浄して、40~50℃で減圧下5時間乾燥して、表題化合物を8.138g得た(収率66.3%、Z:E=99.8:0.2)。
得られた化合物のスペクトルデータは、J. Org. Chem., 56, 1783-1788(1991)記載のそれと一致した。
カルバミン酸メチル 5.835g、および2-オキソ-4-(ヒドロキシメチルホスフィニル)-ブタン酸10.000gを酢酸17 mLに加えて縣濁させた。加熱して溶解し、トルエン68 mLを加えて激しく攪拌しながら還流した。反応液の内部温度は106~108℃であった。4時間後、HPLC測定により原料がほぼ消失したことを確認した。このとき、Z体とE体の面積比は94:6であった。減圧下、約42 mLの溶媒を留去して、酢酸を23 mL加えて80℃で1時間攪拌した。徐々に室温まで冷却して一晩攪拌して得られた沈殿物を濾過して、酢酸で洗浄した。次いで、アセトンで洗浄して、40~50℃で減圧下5時間乾燥して、表題化合物を9.931g得た(収率75.4%、Z:E=99.6:0.4)。
カルバミン酸メチル 5.835g、p-トルエンスルホン酸一水和物 0.275gおよび2-オキソ-4-(ヒドロキシメチルホスフィニル)-ブタン酸10.000gを酢酸16 mLに加えて縣濁させた。加熱して溶解し、クロロベンゼン80 mLを加えて激しく攪拌しながら還流した。微減圧にして反応液の内部温度を106~110℃に維持しながら、適宜留液を抜いて、抜いた分の容量のクロロベンゼンを加えた。2時間後、HPLC測定により原料がほぼ消失したことを確認した。このとき、Z体とE体の面積比は93:7であった。減圧下、約50 mLの溶媒を留去して、酢酸を20 mL加えて80℃で1時間攪拌した。徐々に室温まで冷却して一晩攪拌して得られた沈殿物を濾過して、酢酸で洗浄した。次いで、アセトンで洗浄して、40~50℃で減圧下6時間乾燥して、表題化合物を9.505g得た(収率72.2%、Z:E=99.5:0.5)。
カルバミン酸メチル 67.56g、p-トルエンスルホン酸一水和物 2.97gおよび2-オキソ-4-(ヒドロキシメチルホスフィニル)-ブタン酸108.06gを酢酸160 mLに加えて縣濁させた。加熱して溶解し、トルエン800 mLを加えて激しく攪拌しながら還流した。実施例1と同様の操作により、表題化合物を102.28g得た(収率71.9%、Z:E=99.8:0.2)。
カルバミン酸メチル 16.673g、p-トルエンスルホン酸一水和物 0.549gおよび2-オキソ-4-(ヒドロキシメチルホスフィニル)-ブタン酸20.000gを酢酸56 mLに加えて縣濁させた。加熱して溶解し、トルエン112 mLを加えて激しく攪拌しながら還流した。反応液の内部温度は106~108℃であった。6時間後、HPLC測定により原料がほぼ消失したことを確認した。このとき、Z体とE体の面積比は81:19であった。析出した沈殿物を濾過して、酢酸で洗浄した。次いで、アセトンで洗浄して、40~50℃で減圧下5時間乾燥して、表題化合物を14.966g得た(収率56.8%、Z:E=99.7:0.3)。
なお、本願における優先権主張の効果は、パリ条約の規定に基づくものと解すべきものであり、専ら優先権主張の基礎となった前記出願(特願2010-136373号)の記載事項に基づいて判断されるべきものである。
Claims (5)
- 次式(1)
[式中、R1は水素原子、またはC1-4アルキル基を表す]で表される化合物と、次式(2)
[式中、R2はC1-4アルキル基、C1-4アルコキシ基、アリール基、アリールオキシ基、またはベンジルオキシ基を表す] で表される化合物を、酸触媒の存在下または非存在下に所望の幾何異性体へ変換させながら脱水縮合することにより、次式(3)
[式中、R1およびR2は、前記で定義したことと同一の意味を表す]で表される化合物を製造する方法であって、反応に使用する有機溶媒が、酢酸と、トルエン、キシレン、およびクロロベンゼンからなる群より選択される溶媒との混合溶媒であり、その混合比率が酢酸1容量に対して他の溶媒が3~5容量である条件下、加熱還流することにより実施する方法。 - 反応に使用する有機溶媒が、酢酸とトルエンとの混合溶媒である、請求項1に記載の方法。
- 反応に使用する有機溶媒が、酢酸とトルエンの混合溶媒であって、その混合比率が酢酸1容量に対してトルエンが4~5容量である、請求項1に記載の方法。
- R2がメトキシ基またはエトキシ基である、請求項1~3に記載のいずれかの方法。
- (Z)-2-メトキシカルボニルアミノ-4-(ヒドロキシメチルホスフィニル) -2-ブテン酸、または
(Z)-2-エトキシカルボニルアミノ-4-(ヒドロキシメチルホスフィニル) -2-ブテン酸である請求項1に記載の式(3)の化合物。
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CN107434812B (zh) * | 2017-09-08 | 2019-07-02 | 南京工业大学 | 一种合成2-酰胺基-4-(o-烷基甲膦酰基)-2-丁烯酸及其酯的方法 |
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AU2011266126B2 (en) | 2014-12-11 |
BR112012032171B1 (pt) | 2018-06-26 |
CN102822184B (zh) | 2014-08-20 |
EP2522673A1 (en) | 2012-11-14 |
TWI501973B (zh) | 2015-10-01 |
TW201206950A (en) | 2012-02-16 |
CN102822184A (zh) | 2012-12-12 |
IL223411A (en) | 2015-06-30 |
TW201529593A (zh) | 2015-08-01 |
JPWO2011158813A1 (ja) | 2013-08-19 |
ES2468020T3 (es) | 2014-06-13 |
KR20130041104A (ko) | 2013-04-24 |
KR101668908B1 (ko) | 2016-10-24 |
EP2522673B1 (en) | 2014-04-02 |
AU2011266126A1 (en) | 2013-01-31 |
BR112012032171A2 (pt) | 2016-11-16 |
CA2802643C (en) | 2016-04-19 |
CA2802643A1 (en) | 2011-12-22 |
EP2522673A4 (en) | 2013-07-24 |
JP5033933B2 (ja) | 2012-09-26 |
RU2013101614A (ru) | 2014-07-20 |
RU2571417C2 (ru) | 2015-12-20 |
US8481779B2 (en) | 2013-07-09 |
US20120316358A1 (en) | 2012-12-13 |
ZA201300322B (en) | 2014-03-26 |
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