CN1326437A - 制备双肟单醚的方法和中间体 - Google Patents
制备双肟单醚的方法和中间体 Download PDFInfo
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- CN1326437A CN1326437A CN99813465.1A CN99813465A CN1326437A CN 1326437 A CN1326437 A CN 1326437A CN 99813465 A CN99813465 A CN 99813465A CN 1326437 A CN1326437 A CN 1326437A
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- monoxime
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- 238000000034 method Methods 0.000 title claims abstract description 17
- 239000013067 intermediate product Substances 0.000 title abstract 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims abstract description 17
- 239000001257 hydrogen Substances 0.000 claims abstract description 12
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 12
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 11
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims abstract description 10
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 claims abstract description 6
- 125000006656 (C2-C4) alkenyl group Chemical group 0.000 claims abstract description 5
- 125000001424 substituent group Chemical group 0.000 claims abstract description 3
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 20
- 239000002253 acid Substances 0.000 claims description 14
- 239000003513 alkali Substances 0.000 claims description 11
- 238000002360 preparation method Methods 0.000 claims description 11
- 150000003839 salts Chemical class 0.000 claims description 8
- AVXURJPOCDRRFD-UHFFFAOYSA-N Hydroxylamine Chemical compound ON AVXURJPOCDRRFD-UHFFFAOYSA-N 0.000 claims description 6
- 150000002148 esters Chemical class 0.000 claims description 6
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 claims description 3
- 230000029936 alkylation Effects 0.000 claims description 2
- 238000005804 alkylation reaction Methods 0.000 claims description 2
- 238000011282 treatment Methods 0.000 claims description 2
- 230000002378 acidificating effect Effects 0.000 claims 1
- 125000004178 (C1-C4) alkyl group Chemical group 0.000 abstract 2
- 238000004519 manufacturing process Methods 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 15
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 12
- 239000002904 solvent Substances 0.000 description 12
- 239000002585 base Substances 0.000 description 11
- 238000010586 diagram Methods 0.000 description 11
- 239000000203 mixture Substances 0.000 description 11
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 10
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 description 10
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 10
- 150000001875 compounds Chemical class 0.000 description 10
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 description 9
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 9
- 238000006243 chemical reaction Methods 0.000 description 9
- -1 methyl alcohol Chemical class 0.000 description 7
- BZLVMXJERCGZMT-UHFFFAOYSA-N Methyl tert-butyl ether Chemical compound COC(C)(C)C BZLVMXJERCGZMT-UHFFFAOYSA-N 0.000 description 6
- 238000000605 extraction Methods 0.000 description 6
- 238000005160 1H NMR spectroscopy Methods 0.000 description 5
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 description 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 4
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 4
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 4
- WQDUMFSSJAZKTM-UHFFFAOYSA-N Sodium methoxide Chemical compound [Na+].[O-]C WQDUMFSSJAZKTM-UHFFFAOYSA-N 0.000 description 4
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 4
- 230000002152 alkylating effect Effects 0.000 description 4
- 239000012074 organic phase Substances 0.000 description 4
- 239000000047 product Substances 0.000 description 4
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 description 4
- 229910052938 sodium sulfate Inorganic materials 0.000 description 4
- 235000011152 sodium sulphate Nutrition 0.000 description 4
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 3
- NLXLAEXVIDQMFP-UHFFFAOYSA-N Ammonium chloride Substances [NH4+].[Cl-] NLXLAEXVIDQMFP-UHFFFAOYSA-N 0.000 description 3
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical compound [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 235000011114 ammonium hydroxide Nutrition 0.000 description 3
- 239000003153 chemical reaction reagent Substances 0.000 description 3
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 3
- 150000002923 oximes Chemical class 0.000 description 3
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 description 3
- 235000015320 potassium carbonate Nutrition 0.000 description 3
- 239000000126 substance Substances 0.000 description 3
- 125000006650 (C2-C4) alkynyl group Chemical group 0.000 description 2
- XNMQEEKYCVKGBD-UHFFFAOYSA-N 2-butyne Chemical compound CC#CC XNMQEEKYCVKGBD-UHFFFAOYSA-N 0.000 description 2
- 125000001494 2-propynyl group Chemical group [H]C#CC([H])([H])* 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- WTDHULULXKLSOZ-UHFFFAOYSA-N Hydroxylamine hydrochloride Chemical compound Cl.ON WTDHULULXKLSOZ-UHFFFAOYSA-N 0.000 description 2
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 2
- CTQNGGLPUBDAKN-UHFFFAOYSA-N O-Xylene Chemical compound CC1=CC=CC=C1C CTQNGGLPUBDAKN-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 2
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 description 2
- 150000001298 alcohols Chemical class 0.000 description 2
- 229910052783 alkali metal Inorganic materials 0.000 description 2
- 125000003342 alkenyl group Chemical group 0.000 description 2
- KDKYADYSIPSCCQ-UHFFFAOYSA-N but-1-yne Chemical group CCC#C KDKYADYSIPSCCQ-UHFFFAOYSA-N 0.000 description 2
- 150000001732 carboxylic acid derivatives Chemical class 0.000 description 2
- 239000007795 chemical reaction product Substances 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- XBDQKXXYIPTUBI-UHFFFAOYSA-N dimethylselenoniopropionate Natural products CCC(O)=O XBDQKXXYIPTUBI-UHFFFAOYSA-N 0.000 description 2
- 239000000284 extract Substances 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 229910052500 inorganic mineral Inorganic materials 0.000 description 2
- JZMJDSHXVKJFKW-UHFFFAOYSA-M methyl sulfate(1-) Chemical compound COS([O-])(=O)=O JZMJDSHXVKJFKW-UHFFFAOYSA-M 0.000 description 2
- 239000011707 mineral Substances 0.000 description 2
- 235000010755 mineral Nutrition 0.000 description 2
- BDERNNFJNOPAEC-UHFFFAOYSA-N propan-1-ol Chemical compound CCCO BDERNNFJNOPAEC-UHFFFAOYSA-N 0.000 description 2
- 239000011814 protection agent Substances 0.000 description 2
- 239000011541 reaction mixture Substances 0.000 description 2
- 238000007086 side reaction Methods 0.000 description 2
- 239000001632 sodium acetate Substances 0.000 description 2
- 235000017281 sodium acetate Nutrition 0.000 description 2
- 235000010288 sodium nitrite Nutrition 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 238000010189 synthetic method Methods 0.000 description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- AVQQQNCBBIEMEU-UHFFFAOYSA-N 1,1,3,3-tetramethylurea Chemical compound CN(C)C(=O)N(C)C AVQQQNCBBIEMEU-UHFFFAOYSA-N 0.000 description 1
- 125000004806 1-methylethylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 125000000474 3-butynyl group Chemical group [H]C#CC([H])([H])C([H])([H])* 0.000 description 1
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- CPELXLSAUQHCOX-UHFFFAOYSA-M Bromide Chemical compound [Br-] CPELXLSAUQHCOX-UHFFFAOYSA-M 0.000 description 1
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 1
- OFOBLEOULBTSOW-UHFFFAOYSA-N Malonic acid Chemical compound OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 1
- FXHOOIRPVKKKFG-UHFFFAOYSA-N N,N-Dimethylacetamide Chemical compound CN(C)C(C)=O FXHOOIRPVKKKFG-UHFFFAOYSA-N 0.000 description 1
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 description 1
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 229960000583 acetic acid Drugs 0.000 description 1
- 239000013543 active substance Substances 0.000 description 1
- 125000004423 acyloxy group Chemical group 0.000 description 1
- 125000001931 aliphatic group Chemical group 0.000 description 1
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 description 1
- 239000012670 alkaline solution Substances 0.000 description 1
- 125000004946 alkenylalkyl group Chemical group 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- 125000005278 alkyl sulfonyloxy group Chemical group 0.000 description 1
- 125000000304 alkynyl group Chemical group 0.000 description 1
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 150000001408 amides Chemical class 0.000 description 1
- 239000011260 aqueous acid Substances 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- JXLHNMVSKXFWAO-UHFFFAOYSA-N azane;7-fluoro-2,1,3-benzoxadiazole-4-sulfonic acid Chemical compound N.OS(=O)(=O)C1=CC=C(F)C2=NON=C12 JXLHNMVSKXFWAO-UHFFFAOYSA-N 0.000 description 1
- 125000001797 benzyl group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])* 0.000 description 1
- 230000015572 biosynthetic process Effects 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
- 125000000484 butyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-N carbonic acid Chemical compound OC(O)=O BVKZGUZCCUSVTD-UHFFFAOYSA-N 0.000 description 1
- 239000000460 chlorine Substances 0.000 description 1
- 229910052801 chlorine Inorganic materials 0.000 description 1
- 239000012043 crude product Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 150000004292 cyclic ethers Chemical class 0.000 description 1
- VAYGXNSJCAHWJZ-UHFFFAOYSA-N dimethyl sulfate Chemical compound COS(=O)(=O)OC VAYGXNSJCAHWJZ-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- NLFBCYMMUAKCPC-KQQUZDAGSA-N ethyl (e)-3-[3-amino-2-cyano-1-[(e)-3-ethoxy-3-oxoprop-1-enyl]sulfanyl-3-oxoprop-1-enyl]sulfanylprop-2-enoate Chemical compound CCOC(=O)\C=C\SC(=C(C#N)C(N)=O)S\C=C\C(=O)OCC NLFBCYMMUAKCPC-KQQUZDAGSA-N 0.000 description 1
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 230000000855 fungicidal effect Effects 0.000 description 1
- 239000012362 glacial acetic acid Substances 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 150000002431 hydrogen Chemical class 0.000 description 1
- 239000003999 initiator Substances 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 125000000959 isobutyl group Chemical group [H]C([H])([H])C([H])(C([H])([H])[H])C([H])([H])* 0.000 description 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 150000002576 ketones Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- AFVFQIVMOAPDHO-UHFFFAOYSA-M methanesulfonate group Chemical class CS(=O)(=O)[O-] AFVFQIVMOAPDHO-UHFFFAOYSA-M 0.000 description 1
- 150000002825 nitriles Chemical class 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 125000002524 organometallic group Chemical group 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000003880 polar aprotic solvent Substances 0.000 description 1
- LPNYRYFBWFDTMA-UHFFFAOYSA-N potassium tert-butoxide Chemical compound [K+].CC(C)(C)[O-] LPNYRYFBWFDTMA-UHFFFAOYSA-N 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 235000019260 propionic acid Nutrition 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- IUVKMZGDUIUOCP-BTNSXGMBSA-N quinbolone Chemical compound O([C@H]1CC[C@H]2[C@H]3[C@@H]([C@]4(C=CC(=O)C=C4CC3)C)CC[C@@]21C)C1=CCCC1 IUVKMZGDUIUOCP-BTNSXGMBSA-N 0.000 description 1
- 239000000376 reactant Substances 0.000 description 1
- 238000007363 ring formation reaction Methods 0.000 description 1
- 125000002914 sec-butyl group Chemical group [H]C([H])([H])C([H])([H])C([H])(*)C([H])([H])[H] 0.000 description 1
- 235000017557 sodium bicarbonate Nutrition 0.000 description 1
- 229910000030 sodium bicarbonate Inorganic materials 0.000 description 1
- 235000017550 sodium carbonate Nutrition 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- APSBXTVYXVQYAB-UHFFFAOYSA-M sodium docusate Chemical compound [Na+].CCCCC(CC)COC(=O)CC(S([O-])(=O)=O)C(=O)OCC(CC)CCCC APSBXTVYXVQYAB-UHFFFAOYSA-M 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000000967 suction filtration Methods 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 125000000999 tert-butyl group Chemical group [H]C([H])([H])C(*)(C([H])([H])[H])C([H])([H])[H] 0.000 description 1
- JOXIMZWYDAKGHI-UHFFFAOYSA-N toluene-4-sulfonic acid Chemical compound CC1=CC=C(S(O)(=O)=O)C=C1 JOXIMZWYDAKGHI-UHFFFAOYSA-N 0.000 description 1
- 125000005270 trialkylamine group Chemical group 0.000 description 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C249/00—Preparation of compounds containing nitrogen atoms doubly-bound to a carbon skeleton
- C07C249/04—Preparation of compounds containing nitrogen atoms doubly-bound to a carbon skeleton of oximes
- C07C249/06—Preparation of compounds containing nitrogen atoms doubly-bound to a carbon skeleton of oximes by nitrosation of hydrocarbons or substituted hydrocarbons
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C249/00—Preparation of compounds containing nitrogen atoms doubly-bound to a carbon skeleton
- C07C249/04—Preparation of compounds containing nitrogen atoms doubly-bound to a carbon skeleton of oximes
- C07C249/08—Preparation of compounds containing nitrogen atoms doubly-bound to a carbon skeleton of oximes by reaction of hydroxylamines with carbonyl compounds
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C251/00—Compounds containing nitrogen atoms doubly-bound to a carbon skeleton
- C07C251/32—Oximes
- C07C251/34—Oximes with oxygen atoms of oxyimino groups bound to hydrogen atoms or to carbon atoms of unsubstituted hydrocarbon radicals
- C07C251/36—Oximes with oxygen atoms of oxyimino groups bound to hydrogen atoms or to carbon atoms of unsubstituted hydrocarbon radicals with the carbon atoms of the oxyimino groups bound to hydrogen atoms or to acyclic carbon atoms
- C07C251/40—Oximes with oxygen atoms of oxyimino groups bound to hydrogen atoms or to carbon atoms of unsubstituted hydrocarbon radicals with the carbon atoms of the oxyimino groups bound to hydrogen atoms or to acyclic carbon atoms to carbon atoms of an unsaturated carbon skeleton
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
本发明涉及制备式Ⅰ双肟单醚的方法,其中,各取代基有以下含义:R1是未取代的C1-C4-烷基或被C2-C4-链烯基、C2-C4-炔基或苯基取代的甲基;R2、R4彼此独立地是氢或甲基;R3、R5彼此独立地是氢或C1-C4-烷基、三氟甲基或苯基;以及通过该方法得到的中间体。
Description
甲基;R2、R4彼此独立地是氢或甲基;R3、R5彼此独立地是氢或C1-C4-烷基、三氟甲基或苯基。
式I的双肟单醚和式IV的单肟醚是制备由WO-A95/21153,WO-A95/21164和WO-A 97/03057已知的杀真菌农作物保护剂的有益中间体。
在先有技术中,链烯基烷基-取代的二酮衍生物I和IV的具体合成方法没有予以描述(参见WO-A95/21153、WO-A95/21164、WO-A96/16030和WO-A97/03057)。这些公开出版物的一般图解仅仅给出了以α-二酮a)或相应的α-双肟b)为起始物的合成线路(见图解1)图解1: 由于双官能度,预期a)α-二酮成肟作用和b)α-双肟的烷基化作用的产物是混合物。除了所期望的单缩合/取代产物之外,在这类反应中一般还会有未反应物和双重反应产物。
然而,在这种情况下,会产生另一个更为严重的问题,链烯基烷基(相当于图解1中的R′)比甲基(R″)的立体阻碍大得多,可以推测,所形成的单缩合/取代产物具有不应有的区域-和立体化学(参见莱比锡应用化学。(1974)1908-1914)。因此,图解1所示的程序不适于合成式I的双肟单醚。
本发明的目的是提供一种对式I和IV化合物实施目标合成的方法。
我们发现,这一目的可通过开头所提及的方法来实现,该方法包括:a)将式II的乙酰乙酸酯先在碱性条件下与亚硝酸盐处理,随后在酸
以下对本发明方法的各个步骤予以更详细的说明。步骤a):
步骤a)按照US4,707,484所述的方法进行。
醇类如甲醇、尤其是水可作为溶剂。在某些情况下,最好加入稳定剂,例如表面活性剂或乙二醇。
适当的碱特别是氢氧化钠和氢氧化钾,它们的使用量一般为乙酰乙酸酯II的等摩尔量或1至多达10倍摩尔过量。
可以理解,亚硝酸盐是指如碱金属亚硝酸盐,特别是亚硝酸钠,其使用量一般为乙酰乙酸酯II的等摩尔量或过量至30%摩尔。
一般情况下,反应温度不超过40℃,否则会发生不需要的副反应。因此,在水中,反应优选在-20℃至40℃进行,特别优选0至15℃。
经10-48小时的时间后,反应混合物通常变得清亮,然后用酸(如盐酸或硫酸)调整pH为0-5,优选1-3。
按照常规方法进行后处理,例如萃取。提纯时,例如可以用碱将肟转化为相应的盐,并用酸再次沉淀。
式A链烯基烷基化合物(其中R2-R5如权利要求1所定义,L1是卤素、酰氧基、烷基磺酰氧基或芳基磺酰氧基)是已知的,或者可以按照已知的文献方法合成(Z.ORG.Khim.(1997)486;日本化学学会通报(1980)2586;美国化学学会会志(1984)2211;美国化学学会会志(1960)1866;DE-A1955666;DE-A3317356;EP-A271212;四面体通讯(1986)6027;四面体通讯(1994)1371和2679;氟化学期刊(1997)67;Helv.Chim.Acta(1951)1514;有机金属化学(1985)395)。步骤b):
烷基化反应通常在惰性有机溶剂存在下进行,适当的溶剂中包括脂肪烃或芳香烃,例如甲苯、二甲苯、庚烷或环己烷,脂族醚或环醚,例如1,2-二甲氧基乙烷/四氢呋喃或二噁烷。优选使用极性非质子溶剂:酮类如丙酮,腈如乙腈,酰胺如二甲基甲酰胺、二甲基乙酰胺或N-甲基吡咯烷酮,或脲如四甲基脲。
所用的烷基化试剂通常是卤化物,优选氯化物或溴化物;硫酸酯,优选硫酸二甲酯;磺酸酯,优选甲磺酸酯或甲苯磺酸酯。
碱或烷基化试剂的用量优选是化合物III的1-2倍摩尔当量。
通常情况下,反应在无机碱如氢氧化钠或氢氧化钾、碳酸钠或碳酸钾、碳酸氢钠或碳酸氢钾、或者在碱金属烷氧化物如甲醇钠或叔丁醇钾的存在下进行。
反应温度一般是0℃-50℃,优选0℃-40℃,特别优选在室温下。
后处理可以通过如萃取来进行。
为了除去残留的烷基化试剂,最好用例如氨溶液洗涤每一批反应产物。步骤c):
羟胺既可以以酸加成盐的形式使用,也可以游离碱形式使用。可以加入强碱,从盐中释放出后者。
优选使用羟胺的酸加成盐,所有常见的酸均适宜制备酸加成盐,以下举例列出的仅仅是其中的几个:羧酸如乙酸或丙酸,二羧酸如草酸或琥珀酸,无机酸如磷酸或碳酸,尤其是盐酸或硫酸。
如果使用羟胺的酸加成盐,通常最好加入碱,以结合反应中所释放的酸。在许多情况下发现,pH为3-7、尤其是为4-6时,对成肟反应是有利的,在该pH范围之外可能会发生副反应,如闭环反应。
通常加入1-2.5摩尔当量的碱。具体而言,适当的碱是吡啶、三烷基胺、氢氧化钠、乙酸钠和甲醇钠。如果使用乙酸钠,通常加入冰乙酸。
反过来讲,当然也可以使用羟胺作为游离碱,并且使用上述酸形成上述的pH范围。
可以使用的溶剂是例如那些在上一步骤中所述的溶剂,其它适当的溶剂是羧酸如乙酸,或者水/吡啶混合物;醇类如甲醇、乙醇、正丙醇或异丙醇,以及这些醇与水和/或吡啶的混合物是特别适合的。
反应温度一般是-20至100℃,优选0-40℃,特别优选20-25℃。
优选通过萃取对反应混合物进行后处理,如上一步骤所述,为了彻底除去碱,最好将粗产物先用稀的含水酸洗涤,然后用水洗涤。
甲基;R2、R4彼此独立地是氢或甲基;R3、R5彼此独立地是氢或C1-C4-烷基、三氟甲基或苯基。
如图解4所示,上式还可以表示为不同的构象。图解4:化合物I的可能构象在上述的化合物I、II、III、IV和A的定义中,对R1-R5使用了集合术语,这表示各个基团的分别列举。烷基、链烯基或炔基可以是直链或支链的。
其它定义的例子是:-卤素:氟、氯、溴或碘;-C1-C4烷基:甲基、乙基、丙基、1-甲基乙基、丁基、1-甲基丙基、2-甲基丙基和1,1-二甲基乙基;-C2-C4链烯基:乙烯基、丙-1-烯-1-基、丙-2-烯-1-基、1-甲基乙烯基、丁-1-烯-1-基、丁-2-烯-1-基、丁-3-烯-1-基、1-甲基-丙-1-烯-1-基、2-甲基-丙-1-烯-1-基、1-甲基-丙-2-烯-1-基和2-甲基-丙-2-烯-1-基;-C2-C4炔基:乙炔基、1-丙炔基、2-丙炔基、1-丁炔基、2-丁炔基、3-丁炔基、1-甲基-2-丙炔基。
在它们用作制备WO-A 95/21153、WO-A 95/21164和WO-A97/03057所公开的农作物保护剂的中间体情况下,考虑到其适宜性,特别优选具有以下取代基的式I、III和IV化合物,所述优选是指各个取代基本身或它们的组合:R1是甲基、乙基、苄基、或炔丙基,并特别优选甲基或乙基;R2、R4彼此独立地是氢或甲基;R3、R5彼此独立地是氢、甲基或三氟甲基。
特别优选以下制备实施例所述的化合物。制备实施例单肟III的制备(步骤(a))
实施例15-甲基-己-5-烯-2,3-二酮-3-肟
在10℃下,在2000ml 10%浓度的氢氧化钾水溶液中将200 g 2-乙酰基-4-甲基-戊-4-烯酸甲基酯(制备:参见四面体(1985)4633)与85g亚硝酸钠混合,并将混合物在23℃搅拌18小时,随后在冰冷却下,逐滴加入1000ml 10%的硫酸,使内部温度保持在10℃以下,然后在10℃搅拌混合物。直至CO2停止放出,进行后处理时,将混合物用甲基叔丁基醚萃取,合并的有机相用3N氢氧化钠水溶液萃取,并将碱溶液相用20%的硫酸调节至pH为1,然后再用二氯甲烷萃取,萃取液用硫酸钠干燥,减压除去溶剂,得到142g黄色油状的标题化合物,放置后结晶。1H-NMR(CDCl3,ppm):δ=4.8(1H);4.6(1H);3.3(2H);2.4(3H);1.8(3H)单肟醚IV的制备(步骤(b))
实施例25-甲基-己-5-烯-2,3-二酮-3-(O-甲基肟)
将141g实施例1得到的5-甲基-已-5-烯-2,3-二酮-3-肟溶解于750ml丙酮,并与165.6g碳酸钾混合,然后滴加入溶于100ml丙酮的145g硫酸二甲酯,混合物在23℃搅拌4小时,随后减压除去溶剂,将残留物用甲基叔丁基醚/水移出,水相用甲基叔丁基醚重复萃取,合并的有机相用15%浓度的氨溶液和水洗涤,并用硫酸钠干燥,减压除去溶剂,得到141g黄色油状的标题化合物。1H-NMR(CDCl3,ppm):δ=4.77(1H);4.57(1H);4.0(3H);3.2(2H)。实施例35-甲基-己-5-烯-2,3-二酮-3-(O-乙基肟)
将285.7g实施例1得到的5-甲基-己-5-烯-2,3-二酮-3-肟溶解于750ml丙酮,并与335.8g碳酸钾混合,然后滴加入溶于300ml丙酮的362g硫酸二甲酯,混合物在23℃搅拌2小时,随后减压除去溶剂,将残留物用甲基叔丁基醚/水移出,水相再次用甲基叔丁基醚萃取,合并的有机相用15%浓度的氨溶液和水洗涤,并用硫酸钠干燥,减压除去溶剂,得到355.4g黄色油状的标题化合物。1H-NMR(CDCl3,ppm):δ=4.8(1H);4.6(1H);4.3(2H);3.2(2H);2.4(3H);1.7(3H);1.3(3H)。双肟单醚I的制备步骤(c))
实施例45-甲基-己-5-烯-2,3-二酮-3-(O-甲基肟)-2-肟
将283.4g溶于800ml甲醇的5-甲基-己-5-烯-2,3-二酮-3-(O-甲基肟)滴加到140.6g盐酸羟胺于400ml水和216.7g吡啶的溶液中,混合物在23℃搅拌3小时,然后减压除去溶剂,将残留物倒入冰水中,随后用20%的硫酸调整pH为1,抽滤所析出的产物,吸收至甲基叔丁基醚中并用水洗涤,然后将有机相用硫酸钠干燥,减压除去溶剂,得到266g无色固体状的标题化合物。1H-NMR(CDCl3,ppm):δ=9.3(1H);4.8(1H);4.6(1H);4.0(3H);3.3(2H)。实施例55-甲基-己-5-烯-2,3-二酮-3-(O-乙基肟)-2-肟
按照实施例4的方法,将211.3g溶于400ml水和240g吡啶的盐酸羟胺与342.4g溶于800ml甲醇的5-甲基-己-5-烯-2,3-二酮-3-(O-乙基肟)反应,得到305g浅黄色固体状的标题化合物。1H-NMR(CDCl3,ppm);δ=9.4(1H);4.8(1H);4.6(1H);4.2(2H);3.3(2H);2.1(3H);1.8(3H);1.3(3H)。
Claims (4)
2. 权利要求1的方法,其特征在于,在步骤c)中,pH调整到5-7。
4. 式III的单肟,其中取代基R2-R5有如权利要求3中的定义。
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