TW318827B - - Google Patents
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- TW318827B TW318827B TW081110490A TW81110490A TW318827B TW 318827 B TW318827 B TW 318827B TW 081110490 A TW081110490 A TW 081110490A TW 81110490 A TW81110490 A TW 81110490A TW 318827 B TW318827 B TW 318827B
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- TW
- Taiwan
- Prior art keywords
- isomers
- sai
- isomer
- cyanide
- product
- Prior art date
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- 238000000034 method Methods 0.000 claims abstract description 33
- XFXPMWWXUTWYJX-UHFFFAOYSA-N Cyanide Chemical compound N#[C-] XFXPMWWXUTWYJX-UHFFFAOYSA-N 0.000 claims abstract description 15
- 239000002002 slurry Substances 0.000 claims abstract description 3
- 239000000203 mixture Substances 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- 238000006317 isomerization reaction Methods 0.000 claims description 4
- 239000000126 substance Substances 0.000 claims description 4
- 150000001335 aliphatic alkanes Chemical class 0.000 claims description 2
- LVZWSLJZHVFIQJ-UHFFFAOYSA-N Cyclopropane Chemical compound C1CC1 LVZWSLJZHVFIQJ-UHFFFAOYSA-N 0.000 claims 1
- 150000001732 carboxylic acid derivatives Chemical class 0.000 claims 1
- 238000007333 cyanation reaction Methods 0.000 claims 1
- 238000000855 fermentation Methods 0.000 claims 1
- 230000004151 fermentation Effects 0.000 claims 1
- 125000004836 hexamethylene group Chemical group [H]C([H])([*:2])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[*:1] 0.000 claims 1
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims 1
- 239000001294 propane Substances 0.000 claims 1
- 125000004432 carbon atom Chemical group C* 0.000 abstract description 3
- 239000003085 diluting agent Substances 0.000 abstract description 3
- 239000002904 solvent Substances 0.000 abstract description 3
- 125000005842 heteroatom Chemical group 0.000 abstract description 2
- 239000003495 polar organic solvent Substances 0.000 abstract description 2
- 230000004048 modification Effects 0.000 abstract 2
- 238000012986 modification Methods 0.000 abstract 2
- 150000002825 nitriles Chemical class 0.000 abstract 1
- 239000000758 substrate Substances 0.000 abstract 1
- 239000000047 product Substances 0.000 description 21
- UAOMVDZJSHZZME-UHFFFAOYSA-N diisopropylamine Chemical compound CC(C)NC(C)C UAOMVDZJSHZZME-UHFFFAOYSA-N 0.000 description 9
- 150000001875 compounds Chemical class 0.000 description 8
- 238000002156 mixing Methods 0.000 description 5
- 239000000243 solution Substances 0.000 description 5
- -1 vinyl halide Chemical class 0.000 description 5
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 4
- KFZMGEQAYNKOFK-UHFFFAOYSA-N Isopropanol Chemical compound CC(C)O KFZMGEQAYNKOFK-UHFFFAOYSA-N 0.000 description 4
- SYSQUGFVNFXIIT-UHFFFAOYSA-N n-[4-(1,3-benzoxazol-2-yl)phenyl]-4-nitrobenzenesulfonamide Chemical class C1=CC([N+](=O)[O-])=CC=C1S(=O)(=O)NC1=CC=C(C=2OC3=CC=CC=C3N=2)C=C1 SYSQUGFVNFXIIT-UHFFFAOYSA-N 0.000 description 4
- BFNMOMYTTGHNGJ-UHFFFAOYSA-N 2,2-dimethylcyclopropane-1-carboxylic acid Chemical compound CC1(C)CC1C(O)=O BFNMOMYTTGHNGJ-UHFFFAOYSA-N 0.000 description 3
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 description 3
- 239000005977 Ethylene Substances 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- 239000007864 aqueous solution Substances 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- KXZJHVJKXJLBKO-UHFFFAOYSA-N chembl1408157 Chemical compound N=1C2=CC=CC=C2C(C(=O)O)=CC=1C1=CC=C(O)C=C1 KXZJHVJKXJLBKO-UHFFFAOYSA-N 0.000 description 3
- 229940043279 diisopropylamine Drugs 0.000 description 3
- 150000002148 esters Chemical class 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 238000006467 substitution reaction Methods 0.000 description 3
- 229920002554 vinyl polymer Polymers 0.000 description 3
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000011521 glass Substances 0.000 description 2
- ZXEKIIBDNHEJCQ-UHFFFAOYSA-N isobutanol Chemical compound CC(C)CO ZXEKIIBDNHEJCQ-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000001301 oxygen Substances 0.000 description 2
- 229910052760 oxygen Inorganic materials 0.000 description 2
- 125000000951 phenoxy group Chemical group [H]C1=C([H])C([H])=C(O*)C([H])=C1[H] 0.000 description 2
- HYJYGLGUBUDSLJ-UHFFFAOYSA-N pyrethrin Natural products CCC(=O)OC1CC(=C)C2CC3OC3(C)C2C2OC(=O)C(=C)C12 HYJYGLGUBUDSLJ-UHFFFAOYSA-N 0.000 description 2
- 239000011541 reaction mixture Substances 0.000 description 2
- FERIUCNNQQJTOY-UHFFFAOYSA-N Butyric acid Chemical compound CCCC(O)=O FERIUCNNQQJTOY-UHFFFAOYSA-N 0.000 description 1
- 241000282994 Cervidae Species 0.000 description 1
- 101500022299 Dofleinia armata Delta-actitoxin-Dar1a Proteins 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 description 1
- 235000005206 Hibiscus Nutrition 0.000 description 1
- 235000007185 Hibiscus lunariifolius Nutrition 0.000 description 1
- 244000284380 Hibiscus rosa sinensis Species 0.000 description 1
- 240000000233 Melia azedarach Species 0.000 description 1
- VQXSOUPNOZTNAI-UHFFFAOYSA-N Pyrethrin I Natural products CC(=CC1CC1C(=O)OC2CC(=O)C(=C2C)CC=C/C=C)C VQXSOUPNOZTNAI-UHFFFAOYSA-N 0.000 description 1
- 241000283068 Tapiridae Species 0.000 description 1
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 description 1
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 description 1
- VXSIXFKKSNGRRO-MXOVTSAMSA-N [(1s)-2-methyl-4-oxo-3-[(2z)-penta-2,4-dienyl]cyclopent-2-en-1-yl] (1r,3r)-2,2-dimethyl-3-(2-methylprop-1-enyl)cyclopropane-1-carboxylate;[(1s)-2-methyl-4-oxo-3-[(2z)-penta-2,4-dienyl]cyclopent-2-en-1-yl] (1r,3r)-3-[(e)-3-methoxy-2-methyl-3-oxoprop-1-enyl Chemical class CC1(C)[C@H](C=C(C)C)[C@H]1C(=O)O[C@@H]1C(C)=C(C\C=C/C=C)C(=O)C1.CC1(C)[C@H](/C=C(\C)C(=O)OC)[C@H]1C(=O)O[C@@H]1C(C)=C(C\C=C/C=C)C(=O)C1 VXSIXFKKSNGRRO-MXOVTSAMSA-N 0.000 description 1
- JBQDKODJUQXMPD-UHFFFAOYSA-N [Au+3].[O-]Cl.[O-]Cl.[O-]Cl Chemical compound [Au+3].[O-]Cl.[O-]Cl.[O-]Cl JBQDKODJUQXMPD-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 229930013930 alkaloid Natural products 0.000 description 1
- 150000001412 amines Chemical class 0.000 description 1
- 125000003118 aryl group Chemical group 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
- VEMKTZHHVJILDY-UXHICEINSA-N bioresmethrin Chemical compound CC1(C)[C@H](C=C(C)C)[C@H]1C(=O)OCC1=COC(CC=2C=CC=CC=2)=C1 VEMKTZHHVJILDY-UXHICEINSA-N 0.000 description 1
- 244000309466 calf Species 0.000 description 1
- 238000003421 catalytic decomposition reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- JUPXYAYDIGVKIX-UHFFFAOYSA-N chlorobenzene;3-methylbutanoic acid Chemical compound CC(C)CC(O)=O.ClC1=CC=CC=C1 JUPXYAYDIGVKIX-UHFFFAOYSA-N 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 230000002079 cooperative effect Effects 0.000 description 1
- 125000004093 cyano group Chemical group *C#N 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 238000010790 dilution Methods 0.000 description 1
- 239000012895 dilution Substances 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000006345 epimerization reaction Methods 0.000 description 1
- 230000032050 esterification Effects 0.000 description 1
- 238000005886 esterification reaction Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 150000004676 glycans Chemical class 0.000 description 1
- 125000001475 halogen functional group Chemical group 0.000 description 1
- 125000001072 heteroaryl group Chemical group 0.000 description 1
- 239000002917 insecticide Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000001404 mediated effect Effects 0.000 description 1
- 238000002844 melting Methods 0.000 description 1
- 230000008018 melting Effects 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 125000004430 oxygen atom Chemical group O* 0.000 description 1
- 239000003444 phase transfer catalyst Substances 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- 229920001282 polysaccharide Polymers 0.000 description 1
- 239000005017 polysaccharide Substances 0.000 description 1
- FQLQNUZHYYPPBT-UHFFFAOYSA-N potassium;azane Chemical compound N.[K+] FQLQNUZHYYPPBT-UHFFFAOYSA-N 0.000 description 1
- 239000002243 precursor Substances 0.000 description 1
- XTUSEBKMEQERQV-UHFFFAOYSA-N propan-2-ol;hydrate Chemical compound O.CC(C)O XTUSEBKMEQERQV-UHFFFAOYSA-N 0.000 description 1
- VJFUPGQZSXIULQ-XIGJTORUSA-N pyrethrin II Chemical class CC1(C)[C@H](/C=C(\C)C(=O)OC)[C@H]1C(=O)O[C@@H]1C(C)=C(C\C=C/C=C)C(=O)C1 VJFUPGQZSXIULQ-XIGJTORUSA-N 0.000 description 1
- 229940070846 pyrethrins Drugs 0.000 description 1
- 239000002728 pyrethroid Substances 0.000 description 1
- 125000004076 pyridyl group Chemical group 0.000 description 1
- 125000001453 quaternary ammonium group Chemical group 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000001953 recrystallisation Methods 0.000 description 1
- 229920006395 saturated elastomer Polymers 0.000 description 1
- 239000012265 solid product Substances 0.000 description 1
- 238000000638 solvent extraction Methods 0.000 description 1
- 238000009331 sowing Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 229940098465 tincture Drugs 0.000 description 1
- 229910052719 titanium Inorganic materials 0.000 description 1
- 239000010936 titanium Substances 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C255/00—Carboxylic acid nitriles
- C07C255/01—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms
- C07C255/32—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms having cyano groups bound to acyclic carbon atoms of a carbon skeleton containing at least one six-membered aromatic ring
- C07C255/38—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms having cyano groups bound to acyclic carbon atoms of a carbon skeleton containing at least one six-membered aromatic ring the carbon skeleton being further substituted by esterified hydroxy groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C255/00—Carboxylic acid nitriles
- C07C255/01—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms
- C07C255/32—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms having cyano groups bound to acyclic carbon atoms of a carbon skeleton containing at least one six-membered aromatic ring
- C07C255/38—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms having cyano groups bound to acyclic carbon atoms of a carbon skeleton containing at least one six-membered aromatic ring the carbon skeleton being further substituted by esterified hydroxy groups
- C07C255/39—Carboxylic acid nitriles having cyano groups bound to acyclic carbon atoms having cyano groups bound to acyclic carbon atoms of a carbon skeleton containing at least one six-membered aromatic ring the carbon skeleton being further substituted by esterified hydroxy groups with hydroxy groups esterified by derivatives of 2,2-dimethylcyclopropane carboxylic acids, e.g. of chrysanthemumic acids
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Saccharide Compounds (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Steroid Compounds (AREA)
- Agricultural Chemicals And Associated Chemicals (AREA)
- Lubricants (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
Description
B18827 A6 66 經濟部中央標準局β工消費合作社印製 五、發明説明(1 ) 本發明係轉化第一異構物成第二異構物的方法,其中第 一及第二異構物為相同化合物之差向異構物。 本發明提供獲得下通式(I)化合物之異構物或含玆埋 檐物及萁箱嵌里欞物夕治掄物的方法: R-CH (CN)-R' ( I ) 其中若R及R|至少有一含至少一在方法條件下穗定之光 畢對映中心,R及R’每一可為任何直接或經一雜原子連接 牵具氰基碳原子之有櫬基; 其包含步驟:在氰化物離子來源存在而無鹼下,於差向 留構物或消旋物部份溶解之極咐有機液體稀釋漿中或於槿 件有機溶劑溶液.中,處理異構物L的差向異構物或含差向異 構物及差向異構物之鏡影異構物的消旋物;異1.物和含 雄物苻萁箱聚届饞物夕泊掄物分別比居攙物夕差向程檎物 和含玆基嫌物之桊向留檎物及弟向星搛物之箱嵌届禳物的 激旋_1更難溶於溶劑或稀釋爾中。 本發明較镘程序目的乃提供由其差向異構物獲得異構物 的方法,其中差向異構物已由摻和Μ異構物之生產方法獲 得;且相似地其亦提供由含差向異構物及差向異構物之鏡 影異構物的消旋物獲得含異構物及其鏡影異構物的消旋物 之方法•其中差向消旋物已由摻和Μ異構物及其鏡影異構 物之牛產方法獏得。 雖然仕方法一般適用於任何式I化合物具上述溶解度特 (请先閲讀背面之注意事項再f本頁) ;叫: -裝· 訂* -_ —3 — 本纸張尺度適用中國國家標準(CNS)甲4规格(210 X 297公釐) 五、發明説明(2 性之異構物 由_氧原子 基或雜芳基 中可發規許 或消旋 連接至 的化合 多用作 物的生 具氣基 物之異 A6 B6 2,2 — 二 一任意取代 產,其 碳原子 構物及 殺蟲劑者•如 2 — 鹵乙烯)一 2 笨基一 2 —鹵乙烯) 3 — (2_鹵烷一 2 —鹵乙烯 特有用於 之酯棊且 消旋物。 瑄些其中 二甲環丙 -2 ,2 獲得其中R為經 R '為任意取代芳 在此等酯化合物 R由選自3 — ( 羰氧、3 — ( 2 氧、3 -( —(2 -任 2 —二烷乙烯 意取代烷氧羰 二甲環丙羰氧 )—2,2 —二甲環丙羰 )—2,2 —二甲環丙羰氧、3 乙烯)一2,2 —二甲環丙羰氧 3 — (2 —任意取代烷氧羰一 2 —鹵乙烯)一2 2 - 經濟部中央標準局Λ工消費合作社印製 二甲環丙羰 IT選自鹵任 及任意由任 知為擬除盎 擬除蟲菊 已知某些異 術以分離出 性。該方法 號107296及 。然而在這 異構化而導 化酯類分解 多數只含 ,如辑而偌 氧、及 意取代 意取_代 菊酯。 酯一般 構物比 較有效 已描述 美國專 些方法 致具氰 而導致 一或二 馬+钛 2 -( 苯基、 苯氧取 任意取 任意jK 代之吡 代苯基) 代苯基及 啶基。此 ;且 烷酵撐氧 任意取代苯氧, 等化合物一般習 •丨裝- 訂· Μ酯化方法獲 其他具較強殺 異構物及轉化 於例如英國專 利號 4997970 條件下•鹼類 基碳原子的差 產生較少所欲 異構物之該擬 .(商品名,即 得,其產生異 蟲力,且因此 較無活性異構 利號 1582594 •且其特徴皆 不只藉移除質 向異構化且同 產物。 構混合物。 造成發展技 物成更有活 、歐洲專利 為使用鹼類 子促進所欲 時不幸地催 除蟲菊酯產物已予商業化 S 一 d 一氰基一 3 —笨氧 一 4 一 本紙張尺度適用中國國家襟準(CNS)甲4规格(210 X 297公货) 318827 A6 B6 五、發明説明(3 )
苄某 1R.3R -3 — (2 * 2 —二溴乙烯)一2,2 —二甲 環丙烷羧酸K)、壓克力那史林(商品名;即S-d —氰 基一 3 —苯氧苄基 Z-1R,3S— 3 〔2 — (2,2,2 — 三氟一1 一三蕖甲乙氧羰)乙烯〕一 2,2 —二甲環丙烷 羧酸酯)、S _芬巴得雷(商品名;即S — d'—氰基一 3 —笨氧苄S — 2 (4-氛苯)-3 —甲丁酸醋)、及迪R 達一審赫斯(商品名;即S-d -氰基-3苯氧苄基1R, 3R— 3 — (Z — 2 —氯一3,3,3 —三氟丙一 1—烯-1 一撺)一2,2 —二甲環丙烷羧酸_及其鏡影異構物的 消旋混合物)。 本發明方法可用以從先質產物獲得得而塔馬十抹、IE京 力那史抹.、S —芬巴得雷、速·Β達-謇赫斯,其中所欲異 構物或消旋物摻和以其差向異«U物或差向消旋物而無經醮 催化分解產物損失之危險。再者方法似乎反應時間較短, 表示使用氰化物中介異構反應提供意外但顯著的相較於習 知鹹催化差向異構化程序言具明顯經濟利益。 經濟部中央標準局貝工消費合作社印製 (請先閲讀背面之注$項再頁) 本發明方法造成所欲異構物差向異構物之異構化反應形 成所欲產物之真正機構仍未完全了解,但一可能解釋為氰 化物陰離子攻擊具氰基碳原子而Μ伴随反轉旋光性雙原子 取代機構形成氰基取代。因為形成異構物比差向異構物更 難溶,故當溶液對異構物飽和時,差向異構物即從反應混 合物中结晶出•且因此本方法較利於難溶異構物之生產。 可用於本方法之極性有機溶劑或稀釋劑為於其中產物異 橘物或消旋物比差向異構物或其消旋物難溶者。例如有含 一 5 — 本紙張尺度適用中國8家標準(CNS)甲4规格(210 X 297公釐〉 經濟部中央標準局β:工消費合作社印製 A6 _B6_ 五、發明説明(4 ) 高至6碳原子之簞羥低鈒烷酵,如異丙酵、異丁醇及特丁 酵或其混合物。其他溶劑或稀釋劑包括簡單酯,如醋酸乙 _或與烷類混合物,K獲得允許異構物及差向異構物可基 於溶解度差異而分離的介質。可存在部份水於可混範圔内 ,但其量常少於20%。 較儍溶_為支鍵低级醇*如含2至15%水量之異丙酵。 氰化物離子來源可為酴或鹼土氰化物•或四鈒銨概化物 。氰化納及氨化鉀為特儍。其可K固態使用*此情況下任 何方法生成殘餘物必須Μ溶解度選擇由固體產物中分離出 ,水清洗Μ溶解氰化物,或有機溶爾窣取Κ溶解產物。另 一方面*氰化物可為水溶液型•其若當使用特定溶劑時超 最使用會形成兩相糸統,此情4兄下,方法可使用相轉移觸 媒(如前述四級銨氰化物)輔1之。較優氰化物存在量為 差向異構物之由0.5至15莫耳%。 一分離產物簡便技術為將反應榷内容物倒入超量稀酸水 溶液,如硫酸,或較優地稀驗金羼次氯酸鹽水溶液。此技 術可用於固態或溶液態氰化物反應混合物,且可以過濾或 溶劑萃取回收產物。 反應之進行乃於溫度可由外界加 <或冷卻控制之槽中。 W低湎操作降低產物溶解度及Μ榷内攪拌完全混合而可增 _结晶產物之沉積速率。方法進行時間決定於產物形成速 率•但似不可能短於1小時或長於60小時。所需準確條件 依特定產物而不同,但一般言方法在一 10Τ:至20t:溫度範 阐內由1 5至4 5小時期間内揲作。 一 6 — 本·紙張尺度適用中囷國家標準(CNS)甲4规格(210 X 2耵公釐) --— — — — — — — — —T—--1· —^^ i l· I t--------------《 〈精先閲讀背面之注意事項再f本頁) 第10490號專利申請察 A7 B7 ......... ιι_.,.,..ν 85. 3. 1 4 if 年月g jj二 觸 五、發明説明() 經濟部中央標準局員工消费合作社印袈 雖然某些產物言,方法之進行可只於差向異構物溶液中 » λ «化物且在相醑溫度檷拌混合物一段時間,但於混合 费I中tw入某量固態结晶型產物以提供结晶面給產物再结晶 $為有用的,特別是對具低熔點或高溶解度之產物言。若 加人结晶產物量在特定操作溫度下足Μ提供具刺餘未溶態 i 1¾和溶液,則加入结晶產物量非為絕對的。 明白了解本發明》下列諸例說明使用方法供生產連_ 巴葚--^LMJL·。如此述速P.遠一謇赫斯卽含S — CX —氰基 -3笼氧苄基 1R,3R— 3~ (Ζ-2 —氛 _3,3,3 — 三氧丙一烯一 i—撐)一 2,2_二甲環丙烷羧酸酯 及其_影異構物之消旋產物。速S達一眷赫斯由眷赫斯转 得’其由約等量4種異構物混合產得,其二異構物形成連_ S-.達-I赫斯及這二異構物之差向異構物,即分別為R — α —氰基_3荣氧苄基1R,3R— 3 — (Z — 2 —氯一 3, 3,3 —三氟丙一1—烯—1—撐)一2 ,2 —二甲環丙 馆羧酸酯及其鏡影異搆物。為易於指明兩對異構物,Μ後 葫稱為、、異構物對了 w f谊P.逵_春赫1斤)及、、異構物對 P。 、 例1 赫.JLU05克)、含2.7或8.0%重量/重量水(270克 )之溼異丙醇、氰化訥(6.5克)及结晶態揮巴瑋 Π0.0克)一起裝入具雙渦流玻璃攒拌器及冷卻套管之1升 玻璃槽,以循環冷卻的水及乙二醇混合物保持溫度在- 5 t:,楔拌24小時後,Μ氣體色層分析法決定異構物對1 / (請先聞讀背面之注意事項再本頁) •裝. 訂 線 本紙張尺度適用中國國家標準(CNS ) A4規格(210X297公釐) 318827 A6 B6 五、發明説明(6) _構物對II之比例。再播拌24小時後決定第二倨I/Ι之 tb例。 结果如下表I ,與Μ二異丙胺取代氰化物之相似實驗獲 得结果比較。 Β_L_ (請先閲讀背面之注意事項再Ϊ本頁) * 鹿饞物對τ : ir卜h锎 劑 %水 24小時 48小時 氰化納 2 . 7 - 96.0 96.1 二異丙胺 2.7 93.6 95.1 氰化钠 8 . 0 96.3 96.4 二異丙胺 8.0 94.9 96 . 5 i裝- 訂· 經濟部中央標準局β工消费合作社印製 由此可知使用氰化物使方法可在約24小時内幾乎完成, 但使用胺刖需明顯箱較長時間以獲得相似结果。 一 8 一 本紙張尺度適用中國國家標準(CNS)甲4规格(210 X 297 «釐)
Claims (1)
- 第81110490號專利申請案 ! Λ 中 IT TF 太(沾毎 d ’肖、申請專利範圍 L —種獲得圼S — ct —氰基一 3 —苯氧苄基1 R , 3 R — 氯—3 3 - ( Z - 2 -一基)一2,2 所组成之消旋物 cyha lothr in)的 -賽赫斯存在下 2 a 於具有 單羥低 合物之 連巴達 組成。 根據申 係含有 根據申 係氰化 0.5至 至多六俚 鈒烷酵中 形式的賽 -饗赫斯 -二甲 之形式 方法* 而無_ 碳原子 之溶液 赫斯之 之異構 ,3,3 基環丙烷 之連巴逹 其包括在 之存在下 且視情況 或漿液中 步嫌,該 物與此二 —三歎丙一 1 一嫌一 1 羧酸釀 -賽赫 未溶解 ,利用 含有2 處理呈 四種異 異構物 及其鏡影異構物 斯(1 anbda-的结晶態連巴達 Μ(金靥氰化物在 至15體積%水之 四種異構物之混 構物係由二構成 的差向異構物所 請專利範 2至15體 請專利範 納,其量 15莫耳% 圃第1項之方法 積%的水之異丙 团第1項之方法 為二構成連巴逹 •其中該單羥低级烷酵 酵。 ,其中該鐮金羼氣化物 一賽赫斯之異構物的 —^----+----^"Λ衣— (請先閱讀背面之注意事項再填寫本頁) 訂 經濟部中央搮準局貝工消費合作社印裝 11 本紙張尺度逋用中國困家梂準(CNS > Α4规格(210Χ297公釐)
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GB9225856A GB2262737A (en) | 1991-12-24 | 1992-12-11 | Isomerisation process |
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CN107673996A (zh) * | 2017-09-28 | 2018-02-09 | 浙江工业大学 | 一种低活性氰戊菊酯异构体向高活性氰戊菊酯异构体转化的方法 |
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GB1062334A (en) * | 1963-09-19 | 1967-03-22 | Merck & Co Inc | Racemization of compounds containing an asymmetric quaternary carbon atom |
FR2375161A1 (fr) * | 1976-04-23 | 1978-07-21 | Roussel Uclaf | Procede de transformation d'un ester d'acide chiral d'alcool secondaire a-cyane optiquement actif de structure (r) en ester d'acide chiral d'alcool secondaire a-cyane de structure (s) |
FR2348901A1 (fr) * | 1976-04-23 | 1977-11-18 | Roussel Uclaf | Procede de transformation d'un ester d'acide chiral d'alcool secondaire alpha-cyane optiquement actif en ester d'acide chiral d'alcool secondaire alpha-cyane racemique |
GB1599876A (en) * | 1977-06-13 | 1981-10-07 | Shell Int Research | Conversion of a stereoisomer into its diastereoisomer |
CH635563A5 (fr) * | 1977-07-07 | 1983-04-15 | Sumitomo Chemical Co | Procede pour la preparation d'un alpha-cyano-3-phenoxybenzyle optiquement actif. |
CA1215717A (en) * | 1977-09-26 | 1986-12-23 | Samuel B. Soloway | Process for converting a stereoisomeric ester into its diastereoisomer |
US4308279A (en) * | 1979-06-06 | 1981-12-29 | Fmc Corporation | Crystalline, insecticidal pyrethroid |
CA1162560A (en) * | 1980-04-23 | 1984-02-21 | Ronald F. Mason | Process for preparing cyclopropane carboxylic acid ester derivatives |
JPS56167654A (en) * | 1980-05-28 | 1981-12-23 | Sumitomo Chem Co Ltd | Method for obtaining stereoisomeric mixture of more highly active phenylacetic ester derivative |
JPS5762298A (en) * | 1980-10-01 | 1982-04-15 | Mitsubishi Chem Ind Ltd | Preparation of 17alpha-cyanosteroid |
EP0050521B1 (en) * | 1980-10-20 | 1984-11-21 | Sumitomo Chemical Company, Limited | Preparation of insecticidal optically active isovalerate esters |
EP0106469B1 (en) * | 1982-10-11 | 1987-01-14 | Imperial Chemical Industries Plc | Insecticidal product and preparation thereof |
DE3372480D1 (en) * | 1982-10-18 | 1987-08-20 | Ici Plc | Insecticidal product and preparation thereof |
CA1206483A (en) * | 1982-11-11 | 1986-06-24 | Johannes Van Berkel | Process for preparing cyclopropane carboxylic acid ester derivatives |
DE3401483A1 (de) * | 1984-01-18 | 1985-07-25 | Bayer Ag, 5090 Leverkusen | Verfahren zur herstellung bestimmter enantiomerenpaare von permethrinsaeure-(alpha)-cyano-3-phenoxy-4-fluor-benzyl-ester |
GB8418331D0 (en) * | 1984-07-18 | 1984-08-22 | Ici Plc | Insecticidal ester |
GB8422872D0 (en) * | 1984-09-11 | 1984-10-17 | Ici Plc | Insecticidal product |
US4997970A (en) * | 1987-06-15 | 1991-03-05 | Fmc Corporation | Conversion of pyrethroid isomers to move active species |
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1991
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1992
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- 1992-12-15 CA CA002126180A patent/CA2126180C/en not_active Expired - Fee Related
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- 1992-12-15 NZ NZ246081A patent/NZ246081A/en unknown
- 1992-12-15 RO RO94-01080A patent/RO114125B1/ro unknown
- 1992-12-15 EP EP92924842A patent/EP0618896B1/en not_active Expired - Lifetime
- 1992-12-15 DK DK92924842.5T patent/DK0618896T3/da active
- 1992-12-22 ZA ZA929971A patent/ZA929971B/xx unknown
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- 1992-12-30 TW TW081110490A patent/TW318827B/zh not_active IP Right Cessation
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1994
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1996
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