SE410452B - Forfarande for selektiv dehalogenering av pyrimidinforeningar - Google Patents
Forfarande for selektiv dehalogenering av pyrimidinforeningarInfo
- Publication number
- SE410452B SE410452B SE7311943A SE7311943A SE410452B SE 410452 B SE410452 B SE 410452B SE 7311943 A SE7311943 A SE 7311943A SE 7311943 A SE7311943 A SE 7311943A SE 410452 B SE410452 B SE 410452B
- Authority
- SE
- Sweden
- Prior art keywords
- pyrimidine
- dichloro
- dichlorobenzhydryl
- hydrogen
- catalyst
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 13
- CZPWVGJYEJSRLH-UHFFFAOYSA-N Pyrimidine Chemical class C1=CN=CN=C1 CZPWVGJYEJSRLH-UHFFFAOYSA-N 0.000 title claims description 9
- 238000005695 dehalogenation reaction Methods 0.000 title description 10
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 30
- 150000001875 compounds Chemical class 0.000 claims description 17
- 239000003054 catalyst Substances 0.000 claims description 13
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical group CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims description 12
- -1 2,6-dichloro-5- (2,1-dichlorobenzhydryl) pyrimidine Chemical compound 0.000 claims description 11
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims description 8
- 239000007868 Raney catalyst Substances 0.000 claims description 8
- NPXOKRUENSOPAO-UHFFFAOYSA-N Raney nickel Chemical compound [Al].[Ni] NPXOKRUENSOPAO-UHFFFAOYSA-N 0.000 claims description 8
- 229910000564 Raney nickel Inorganic materials 0.000 claims description 8
- 229910052739 hydrogen Inorganic materials 0.000 claims description 8
- 239000001257 hydrogen Substances 0.000 claims description 8
- 125000000714 pyrimidinyl group Chemical group 0.000 claims description 8
- 239000012433 hydrogen halide Substances 0.000 claims description 7
- 229910000039 hydrogen halide Inorganic materials 0.000 claims description 7
- 239000000460 chlorine Substances 0.000 claims description 6
- 229910052801 chlorine Inorganic materials 0.000 claims description 6
- 239000002904 solvent Substances 0.000 claims description 5
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Chemical group BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims description 4
- 229910052794 bromium Inorganic materials 0.000 claims description 4
- SCVFZCLFOSHCOH-UHFFFAOYSA-M potassium acetate Chemical compound [K+].CC([O-])=O SCVFZCLFOSHCOH-UHFFFAOYSA-M 0.000 claims description 4
- 125000001309 chloro group Chemical group Cl* 0.000 claims description 3
- 238000003786 synthesis reaction Methods 0.000 claims description 3
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical group FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims description 2
- VMHLLURERBWHNL-UHFFFAOYSA-M Sodium acetate Chemical compound [Na+].CC([O-])=O VMHLLURERBWHNL-UHFFFAOYSA-M 0.000 claims description 2
- 229910052731 fluorine Chemical group 0.000 claims description 2
- 239000011737 fluorine Chemical group 0.000 claims description 2
- 235000011056 potassium acetate Nutrition 0.000 claims description 2
- 239000001632 sodium acetate Substances 0.000 claims description 2
- 235000017281 sodium acetate Nutrition 0.000 claims description 2
- OAKJQQAXSVQMHS-UHFFFAOYSA-N Hydrazine Chemical compound NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 claims 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 claims 2
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical group [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims 1
- 150000004820 halides Chemical class 0.000 claims 1
- PNDPGZBMCMUPRI-UHFFFAOYSA-N iodine Chemical group II PNDPGZBMCMUPRI-UHFFFAOYSA-N 0.000 claims 1
- UMJSCPRVCHMLSP-UHFFFAOYSA-N pyridine Natural products COC1=CC=CN=C1 UMJSCPRVCHMLSP-UHFFFAOYSA-N 0.000 claims 1
- 239000007858 starting material Substances 0.000 claims 1
- 239000000126 substance Substances 0.000 claims 1
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 18
- 239000000203 mixture Substances 0.000 description 18
- XHXFXVLFKHQFAL-UHFFFAOYSA-N phosphoryl trichloride Chemical compound ClP(Cl)(Cl)=O XHXFXVLFKHQFAL-UHFFFAOYSA-N 0.000 description 16
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 15
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 14
- WTEOIRVLGSZEPR-UHFFFAOYSA-N boron trifluoride Chemical compound FB(F)F WTEOIRVLGSZEPR-UHFFFAOYSA-N 0.000 description 10
- 238000006243 chemical reaction Methods 0.000 description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 10
- WQDUMFSSJAZKTM-UHFFFAOYSA-N Sodium methoxide Chemical compound [Na+].[O-]C WQDUMFSSJAZKTM-UHFFFAOYSA-N 0.000 description 8
- 239000007787 solid Substances 0.000 description 8
- 239000000047 product Substances 0.000 description 7
- 229910015900 BF3 Inorganic materials 0.000 description 6
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 6
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 6
- ISAKRJDGNUQOIC-UHFFFAOYSA-N Uracil Chemical compound O=C1C=CNC(=O)N1 ISAKRJDGNUQOIC-UHFFFAOYSA-N 0.000 description 6
- 229960000583 acetic acid Drugs 0.000 description 6
- 239000007795 chemical reaction product Substances 0.000 description 6
- 239000000706 filtrate Substances 0.000 description 6
- 238000002360 preparation method Methods 0.000 description 6
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 4
- ZHNUHDYFZUAESO-UHFFFAOYSA-N Formamide Chemical compound NC=O ZHNUHDYFZUAESO-UHFFFAOYSA-N 0.000 description 4
- 239000012362 glacial acetic acid Substances 0.000 description 4
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical group [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- OFOBLEOULBTSOW-UHFFFAOYSA-N Propanedioic acid Natural products OC(=O)CC(O)=O OFOBLEOULBTSOW-UHFFFAOYSA-N 0.000 description 3
- 239000000370 acceptor Substances 0.000 description 3
- 125000001246 bromo group Chemical group Br* 0.000 description 3
- QILSFLSDHQAZET-UHFFFAOYSA-N diphenylmethanol Chemical compound C=1C=CC=CC=1C(O)C1=CC=CC=C1 QILSFLSDHQAZET-UHFFFAOYSA-N 0.000 description 3
- 238000010992 reflux Methods 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- 229940035893 uracil Drugs 0.000 description 3
- KZMGYPLQYOPHEL-UHFFFAOYSA-N Boron trifluoride etherate Chemical compound FB(F)F.CCOCC KZMGYPLQYOPHEL-UHFFFAOYSA-N 0.000 description 2
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- 229910019213 POCl3 Inorganic materials 0.000 description 2
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-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
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 239000002274 desiccant Substances 0.000 description 2
- 238000004821 distillation Methods 0.000 description 2
- 239000010410 layer Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000002844 melting Methods 0.000 description 2
- 230000008018 melting Effects 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- 239000012044 organic layer Substances 0.000 description 2
- 238000003822 preparative gas chromatography Methods 0.000 description 2
- 239000000725 suspension Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- KOMWHXYBCOVOGL-UHFFFAOYSA-N (2,4-dichlorophenyl)-phenylmethanol Chemical compound C=1C=C(Cl)C=C(Cl)C=1C(O)C1=CC=CC=C1 KOMWHXYBCOVOGL-UHFFFAOYSA-N 0.000 description 1
- LQJHQCLKTUUVGP-UHFFFAOYSA-N 2,4-dichloro-5-[(2,4-dichlorophenyl)-phenylmethyl]pyrimidine Chemical compound ClC1=CC(Cl)=CC=C1C(C=1C(=NC(Cl)=NC=1)Cl)C1=CC=CC=C1 LQJHQCLKTUUVGP-UHFFFAOYSA-N 0.000 description 1
- 125000004201 2,4-dichlorophenyl group Chemical group [H]C1=C([H])C(*)=C(Cl)C([H])=C1Cl 0.000 description 1
- VZSRBBMJRBPUNF-UHFFFAOYSA-N 2-(2,3-dihydro-1H-inden-2-ylamino)-N-[3-oxo-3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)propyl]pyrimidine-5-carboxamide Chemical compound C1C(CC2=CC=CC=C12)NC1=NC=C(C=N1)C(=O)NCCC(N1CC2=C(CC1)NN=N2)=O VZSRBBMJRBPUNF-UHFFFAOYSA-N 0.000 description 1
- YLZOPXRUQYQQID-UHFFFAOYSA-N 3-(2,4,6,7-tetrahydrotriazolo[4,5-c]pyridin-5-yl)-1-[4-[2-[[3-(trifluoromethoxy)phenyl]methylamino]pyrimidin-5-yl]piperazin-1-yl]propan-1-one Chemical compound N1N=NC=2CN(CCC=21)CCC(=O)N1CCN(CC1)C=1C=NC(=NC=1)NCC1=CC(=CC=C1)OC(F)(F)F YLZOPXRUQYQQID-UHFFFAOYSA-N 0.000 description 1
- SZVATRBWSXJCQR-UHFFFAOYSA-N 4,6-dichloro-5-[(2,4-dichlorophenyl)-phenylmethyl]pyrimidine Chemical compound ClC1=CC(Cl)=CC=C1C(C=1C(=NC=NC=1Cl)Cl)C1=CC=CC=C1 SZVATRBWSXJCQR-UHFFFAOYSA-N 0.000 description 1
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- ZVCBGXARKHHAOL-UHFFFAOYSA-N 5-[(2,4-dichlorophenyl)-phenylmethyl]-1h-pyrimidine-2,4-dione Chemical compound OC1=NC(O)=NC=C1C(C=1C(=CC(Cl)=CC=1)Cl)C1=CC=CC=C1 ZVCBGXARKHHAOL-UHFFFAOYSA-N 0.000 description 1
- DJWBLSKDSKELFC-UHFFFAOYSA-N 5-[(2,4-dichlorophenyl)-phenylmethyl]-4-hydroxy-1h-pyrimidin-6-one Chemical compound OC1=NC=NC(O)=C1C(C=1C(=CC(Cl)=CC=1)Cl)C1=CC=CC=C1 DJWBLSKDSKELFC-UHFFFAOYSA-N 0.000 description 1
- HIJBOQRSPITBHL-UHFFFAOYSA-N 5-[bis(2-chlorophenyl)methyl]-2,4-dichloropyrimidine Chemical compound ClC1=NC(Cl)=NC=C1C(C=1C(=CC=CC=1)Cl)C1=CC=CC=C1Cl HIJBOQRSPITBHL-UHFFFAOYSA-N 0.000 description 1
- YCIPQJTZJGUXND-UHFFFAOYSA-N Aglaia odorata Alkaloid Natural products C1=CC(OC)=CC=C1C1(C(C=2C(=O)N3CCCC3=NC=22)C=3C=CC=CC=3)C2(O)C2=C(OC)C=C(OC)C=C2O1 YCIPQJTZJGUXND-UHFFFAOYSA-N 0.000 description 1
- PNKUSGQVOMIXLU-UHFFFAOYSA-N Formamidine Chemical compound NC=N PNKUSGQVOMIXLU-UHFFFAOYSA-N 0.000 description 1
- CSNNHWWHGAXBCP-UHFFFAOYSA-L Magnesium sulfate Chemical compound [Mg+2].[O-][S+2]([O-])([O-])[O-] CSNNHWWHGAXBCP-UHFFFAOYSA-L 0.000 description 1
- 229910019201 POBr3 Inorganic materials 0.000 description 1
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 description 1
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical class [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- HNYOPLTXPVRDBG-UHFFFAOYSA-N barbituric acid Chemical compound O=C1CC(=O)NC(=O)N1 HNYOPLTXPVRDBG-UHFFFAOYSA-N 0.000 description 1
- 230000031709 bromination Effects 0.000 description 1
- 238000005893 bromination reaction Methods 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 229940117389 dichlorobenzene Drugs 0.000 description 1
- CZZYITDELCSZES-UHFFFAOYSA-N diphenylmethane Chemical compound C=1C=CC=CC=1CC1=CC=CC=C1 CZZYITDELCSZES-UHFFFAOYSA-N 0.000 description 1
- 239000012259 ether extract Substances 0.000 description 1
- 239000000284 extract Substances 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 239000000417 fungicide Substances 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 238000005984 hydrogenation reaction Methods 0.000 description 1
- 239000002198 insoluble material Substances 0.000 description 1
- 239000000543 intermediate Substances 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- WRIRWRKPLXCTFD-UHFFFAOYSA-N malonamide Chemical compound NC(=O)CC(N)=O WRIRWRKPLXCTFD-UHFFFAOYSA-N 0.000 description 1
- 238000000655 nuclear magnetic resonance spectrum Methods 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- RLOWWWKZYUNIDI-UHFFFAOYSA-N phosphinic chloride Chemical compound ClP=O RLOWWWKZYUNIDI-UHFFFAOYSA-N 0.000 description 1
- UXCDUFKZSUBXGM-UHFFFAOYSA-N phosphoric tribromide Chemical compound BrP(Br)(Br)=O UXCDUFKZSUBXGM-UHFFFAOYSA-N 0.000 description 1
- 239000002798 polar solvent Substances 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- VTGOHKSTWXHQJK-UHFFFAOYSA-N pyrimidin-2-ol Chemical compound OC1=NC=CC=N1 VTGOHKSTWXHQJK-UHFFFAOYSA-N 0.000 description 1
- 239000011541 reaction mixture Substances 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 238000007790 scraping Methods 0.000 description 1
- 229910000029 sodium carbonate Inorganic materials 0.000 description 1
- 229910052938 sodium sulfate Inorganic materials 0.000 description 1
- 235000011152 sodium sulphate Nutrition 0.000 description 1
- 238000001228 spectrum Methods 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D239/00—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
- C07D239/02—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings
- C07D239/24—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members
- C07D239/26—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D239/00—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
- C07D239/02—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings
- C07D239/24—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members
- C07D239/28—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to ring carbon atoms
- C07D239/30—Halogen atoms or nitro radicals
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D239/00—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
- C07D239/02—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings
- C07D239/24—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members
- C07D239/28—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings not condensed with other rings having three or more double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, directly attached to ring carbon atoms
- C07D239/46—Two or more oxygen, sulphur or nitrogen atoms
- C07D239/52—Two oxygen atoms
- C07D239/54—Two oxygen atoms as doubly bound oxygen atoms or as unsubstituted hydroxy radicals
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US28650772A | 1972-09-05 | 1972-09-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| SE410452B true SE410452B (sv) | 1979-10-15 |
Family
ID=23098926
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7311943A SE410452B (sv) | 1972-09-05 | 1973-09-03 | Forfarande for selektiv dehalogenering av pyrimidinforeningar |
Country Status (13)
| Country | Link |
|---|---|
| JP (1) | JPS561310B2 (cs) |
| AT (1) | AT339314B (cs) |
| BG (1) | BG20362A3 (cs) |
| BR (1) | BR7306847D0 (cs) |
| CH (1) | CH579542A5 (cs) |
| CS (1) | CS187384B2 (cs) |
| DD (1) | DD107038A5 (cs) |
| DK (1) | DK134174B (cs) |
| HU (1) | HU166846B (cs) |
| NL (1) | NL179581C (cs) |
| SE (1) | SE410452B (cs) |
| SU (1) | SU576045A3 (cs) |
| YU (1) | YU37493B (cs) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NZ206968A (en) * | 1983-02-02 | 1986-06-11 | Lilly Co Eli | Pyrimidine derivatives pharmaceutical formulations |
| WO1997043265A1 (en) * | 1996-05-16 | 1997-11-20 | Nissan Chemical Industries, Ltd. | Processes for the preparation of pyrimidine compound |
-
1973
- 1973-08-17 NL NL7311420A patent/NL179581C/xx not_active IP Right Cessation
- 1973-08-20 DK DK456973A patent/DK134174B/da not_active IP Right Cessation
- 1973-08-31 YU YU232773A patent/YU37493B/xx unknown
- 1973-09-03 SE SE7311943A patent/SE410452B/sv unknown
- 1973-09-04 JP JP9893173A patent/JPS561310B2/ja not_active Expired
- 1973-09-04 DD DD17327273A patent/DD107038A5/xx unknown
- 1973-09-04 BG BG024473A patent/BG20362A3/xx unknown
- 1973-09-04 SU SU7301959472A patent/SU576045A3/ru active
- 1973-09-04 BR BR684773A patent/BR7306847D0/pt unknown
- 1973-09-04 CS CS616073A patent/CS187384B2/cs unknown
- 1973-09-04 CH CH1270873A patent/CH579542A5/de not_active IP Right Cessation
- 1973-09-04 HU HUEI000494 patent/HU166846B/hu not_active IP Right Cessation
- 1973-09-05 AT AT770873A patent/AT339314B/de not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| JPS4992079A (cs) | 1974-09-03 |
| JPS561310B2 (cs) | 1981-01-13 |
| SU576045A3 (ru) | 1977-10-05 |
| YU37493B (en) | 1984-08-31 |
| CH579542A5 (en) | 1976-09-15 |
| CS187384B2 (en) | 1979-01-31 |
| NL179581B (nl) | 1986-05-01 |
| ATA770873A (de) | 1977-02-15 |
| NL7311420A (cs) | 1974-03-07 |
| HU166846B (cs) | 1975-06-28 |
| BR7306847D0 (pt) | 1974-07-18 |
| DK134174C (cs) | 1977-02-28 |
| DD107038A5 (cs) | 1974-07-12 |
| DK134174B (da) | 1976-09-27 |
| BG20362A3 (bg) | 1975-11-05 |
| YU232773A (en) | 1981-08-31 |
| NL179581C (nl) | 1986-10-01 |
| AT339314B (de) | 1977-10-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2562216C (en) | Process for producing a trifluoro-3-buten-2-one compound | |
| NO331372B1 (no) | Fremgangsmate for fremstilling av combretastatiner | |
| NO126322B (cs) | ||
| ANGIER et al. | Alkylation of 2-Amino-4-hydroxypyrimidines with Acrylonitrile and with Dimethyl Sulfate: Two Pyrimido [1, 2-α] pyrimidinediones | |
| SE410452B (sv) | Forfarande for selektiv dehalogenering av pyrimidinforeningar | |
| CA2002671C (en) | Process for the production of 4,5-dichloro-6-ethyl-pyrimidine | |
| KR900006837B1 (ko) | 피리미딘 유도체의 제조방법 | |
| RU2117007C1 (ru) | Способ получения 2-замещенных 4,6-диалкоксипиримидинов,2-n-бутиламино-4,6-диметоксипиримидин и способ получения галогенпроизводных пиримидина | |
| US5359067A (en) | Process for the preparation of 5-substituted cytosines and other 4,5-disubstituted pyrimidin-2(1H)-ones, and intermediates arising in the course of this | |
| US5532349A (en) | Process for producing 1-(2'-deoxy-β-D-erythro-pentofuranosyl)-5-trifluoromethyluracil derivatives | |
| HU219231B (en) | N-5-protected 2,5-diamino-4,6-dichloro-pyrimidine derivatives , process for producing them and intermediates | |
| USRE28865E (en) | Selective dehalogenation | |
| Anderson et al. | Pyridopyrimidines. 6. Nucleophilic substitutions in the pyrido [2, 3-d] pyrimidine series | |
| Whale et al. | The synthesis of 5-substituted-2, 4-dimethoxypyrimidines and some related nucleoside analogues | |
| US3880854A (en) | Selective dehalogenation | |
| Williams et al. | The synthesis of a tricyclic pyrrolopyrimidine related to N 6-hydroxyadenine | |
| RU2648998C1 (ru) | Способ получения монозамещенных производных урацила | |
| CZ20021240A3 (cs) | Způsob přípravy aryltriazolinonů a nové meziprodukty pro tento způsob | |
| CN112574126A (zh) | 一种苯嘧磺草胺中间体的制备方法 | |
| US6197964B1 (en) | Method for the production of 2,6-dichloro-5-fluoronicotinonitrile and the chemical compound 3-cyano-2-hydroxy-5-fluoropyride-6-one-monosodium salt its tautomers | |
| Pavlik et al. | Condensation of methylhydrazine with 4‐ethoxy‐1, 1, 1‐trifluoro‐3‐buten‐2‐one. A reinvestigation | |
| CA2208734C (en) | Process for preparing 4,6-bis(difluoro-methoxy)pyrimidine derivatives | |
| KR20010049867A (ko) | 4,6-디클로로-5-플루오로피리미딘의 제조방법 | |
| SU728718A3 (ru) | Способ получени триазоло-тиено- диазепин-1-онов | |
| US5155221A (en) | Process for the preparation of 2-alkylthio-4-hydrazino-5-fluoropyrimidines |