TW200911749A - Novel process for the preparation of acid chlorides - Google Patents
Novel process for the preparation of acid chlorides Download PDFInfo
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- TW200911749A TW200911749A TW097115135A TW97115135A TW200911749A TW 200911749 A TW200911749 A TW 200911749A TW 097115135 A TW097115135 A TW 097115135A TW 97115135 A TW97115135 A TW 97115135A TW 200911749 A TW200911749 A TW 200911749A
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- alkylamine
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- 238000000034 method Methods 0.000 title claims abstract description 32
- 238000002360 preparation method Methods 0.000 title abstract description 9
- 239000002253 acid Substances 0.000 title abstract 2
- 150000001805 chlorine compounds Chemical class 0.000 title 1
- 150000001875 compounds Chemical class 0.000 claims abstract description 24
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical group CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 claims description 9
- 150000003973 alkyl amines Chemical class 0.000 claims description 8
- 239000007789 gas Substances 0.000 claims description 7
- -1 hydrazine compound Chemical class 0.000 claims description 7
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 6
- SJRJJKPEHAURKC-UHFFFAOYSA-N N-Methylmorpholine Chemical group CN1CCOCC1 SJRJJKPEHAURKC-UHFFFAOYSA-N 0.000 claims description 6
- 150000001338 aliphatic hydrocarbons Chemical class 0.000 claims description 6
- IMFACGCPASFAPR-UHFFFAOYSA-N tributylamine Chemical compound CCCCN(CCCC)CCCC IMFACGCPASFAPR-UHFFFAOYSA-N 0.000 claims description 6
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 125000000753 cycloalkyl group Chemical group 0.000 claims description 5
- 125000000113 cyclohexyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 claims description 5
- 125000002347 octyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 claims description 5
- 239000002904 solvent Substances 0.000 claims description 5
- 125000000217 alkyl group Chemical group 0.000 claims description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 3
- 125000000392 cycloalkenyl group Chemical group 0.000 claims description 3
- 150000007530 organic bases Chemical class 0.000 claims description 3
- 239000000126 substance Substances 0.000 claims description 3
- 125000004648 C2-C8 alkenyl group Chemical group 0.000 claims description 2
- LSNNMFCWUKXFEE-UHFFFAOYSA-N Sulfurous acid Chemical compound OS(O)=O LSNNMFCWUKXFEE-UHFFFAOYSA-N 0.000 claims description 2
- 125000003545 alkoxy group Chemical group 0.000 claims description 2
- 150000001721 carbon Chemical group 0.000 claims description 2
- 239000003638 chemical reducing agent Substances 0.000 claims description 2
- 125000001449 isopropyl group Chemical group [H]C([H])([H])C([H])(*)C([H])([H])[H] 0.000 claims description 2
- 125000001424 substituent group Chemical group 0.000 claims description 2
- 150000003462 sulfoxides Chemical class 0.000 claims description 2
- 230000002950 deficient Effects 0.000 claims 1
- OAKJQQAXSVQMHS-UHFFFAOYSA-N hydrazine Substances NN OAKJQQAXSVQMHS-UHFFFAOYSA-N 0.000 claims 1
- 229910052739 hydrogen Inorganic materials 0.000 claims 1
- 239000001257 hydrogen Substances 0.000 claims 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 claims 1
- 125000005270 trialkylamine group Chemical group 0.000 claims 1
- 150000004820 halides Chemical class 0.000 abstract 1
- 239000000543 intermediate Substances 0.000 abstract 1
- IMNFDUFMRHMDMM-UHFFFAOYSA-N N-Heptane Chemical compound CCCCCCC IMNFDUFMRHMDMM-UHFFFAOYSA-N 0.000 description 8
- RGSFGYAAUTVSQA-UHFFFAOYSA-N Cyclopentane Chemical compound C1CCCC1 RGSFGYAAUTVSQA-UHFFFAOYSA-N 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 238000006243 chemical reaction Methods 0.000 description 3
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical compound CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 3
- 239000000047 product Substances 0.000 description 3
- YYYOQURZQWIILK-UHFFFAOYSA-N 2-[(2-aminophenyl)disulfanyl]aniline Chemical compound NC1=CC=CC=C1SSC1=CC=CC=C1N YYYOQURZQWIILK-UHFFFAOYSA-N 0.000 description 2
- LSDPWZHWYPCBBB-UHFFFAOYSA-N Methanethiol Chemical compound SC LSDPWZHWYPCBBB-UHFFFAOYSA-N 0.000 description 2
- OFBQJSOFQDEBGM-UHFFFAOYSA-N Pentane Chemical compound CCCCC OFBQJSOFQDEBGM-UHFFFAOYSA-N 0.000 description 2
- 150000001412 amines Chemical class 0.000 description 2
- 125000003277 amino group Chemical group 0.000 description 2
- 125000000582 cycloheptyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])([H])C([H])(*)C([H])([H])C1([H])[H] 0.000 description 2
- 125000001511 cyclopentyl group Chemical group [H]C1([H])C([H])([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 2
- JQVDAXLFBXTEQA-UHFFFAOYSA-N dibutylamine Chemical compound CCCCNCCCC JQVDAXLFBXTEQA-UHFFFAOYSA-N 0.000 description 2
- DMEGYFMYUHOHGS-UHFFFAOYSA-N heptamethylene Natural products C1CCCCCC1 DMEGYFMYUHOHGS-UHFFFAOYSA-N 0.000 description 2
- 229910052757 nitrogen Inorganic materials 0.000 description 2
- 125000004433 nitrogen atom Chemical group N* 0.000 description 2
- 239000011541 reaction mixture Substances 0.000 description 2
- LMBFAGIMSUYTBN-MPZNNTNKSA-N teixobactin Chemical compound C([C@H](C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(=O)N[C@H](CCC(N)=O)C(=O)N[C@H]([C@@H](C)CC)C(=O)N[C@@H]([C@@H](C)CC)C(=O)N[C@@H](CO)C(=O)N[C@H]1C(N[C@@H](C)C(=O)N[C@@H](C[C@@H]2NC(=N)NC2)C(=O)N[C@H](C(=O)O[C@H]1C)[C@@H](C)CC)=O)NC)C1=CC=CC=C1 LMBFAGIMSUYTBN-MPZNNTNKSA-N 0.000 description 2
- RIOQSEWOXXDEQQ-UHFFFAOYSA-N triphenylphosphine Chemical compound C1=CC=CC=C1P(C=1C=CC=CC=1)C1=CC=CC=C1 RIOQSEWOXXDEQQ-UHFFFAOYSA-N 0.000 description 2
- QFLWZFQWSBQYPS-AWRAUJHKSA-N (3S)-3-[[(2S)-2-[[(2S)-2-[5-[(3aS,6aR)-2-oxo-1,3,3a,4,6,6a-hexahydrothieno[3,4-d]imidazol-4-yl]pentanoylamino]-3-methylbutanoyl]amino]-3-(4-hydroxyphenyl)propanoyl]amino]-4-[1-bis(4-chlorophenoxy)phosphorylbutylamino]-4-oxobutanoic acid Chemical compound CCCC(NC(=O)[C@H](CC(O)=O)NC(=O)[C@H](Cc1ccc(O)cc1)NC(=O)[C@@H](NC(=O)CCCCC1SC[C@@H]2NC(=O)N[C@H]12)C(C)C)P(=O)(Oc1ccc(Cl)cc1)Oc1ccc(Cl)cc1 QFLWZFQWSBQYPS-AWRAUJHKSA-N 0.000 description 1
- LAMMLENPKIOKSX-UHFFFAOYSA-N 1-(2-ethylbutyl)cyclohexane-1-carbonyl chloride Chemical compound CCC(CC)CC1(C(Cl)=O)CCCCC1 LAMMLENPKIOKSX-UHFFFAOYSA-N 0.000 description 1
- XRKJBJLXKLOLKS-UHFFFAOYSA-N 1-(2-ethylbutyl)cyclohexane-1-carboxylic acid Chemical compound CCC(CC)CC1(C(O)=O)CCCCC1 XRKJBJLXKLOLKS-UHFFFAOYSA-N 0.000 description 1
- ABEXEQSGABRUHS-UHFFFAOYSA-N 16-methylheptadecyl 16-methylheptadecanoate Chemical compound CC(C)CCCCCCCCCCCCCCCOC(=O)CCCCCCCCCCCCCCC(C)C ABEXEQSGABRUHS-UHFFFAOYSA-N 0.000 description 1
- 125000003903 2-propenyl group Chemical group [H]C([*])([H])C([H])=C([H])[H] 0.000 description 1
- XDTMQSROBMDMFD-UHFFFAOYSA-N Cyclohexane Chemical compound C1CCCCC1 XDTMQSROBMDMFD-UHFFFAOYSA-N 0.000 description 1
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 1
- 241000764238 Isis Species 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- DSALSJWXNYUXDF-UHFFFAOYSA-N [1-(2-ethylbutyl)cyclohexanecarbonyl] 1-(2-ethylbutyl)cyclohexane-1-carboxylate Chemical compound C1CCCCC1(CC(CC)CC)C(=O)OC(=O)C1(CC(CC)CC)CCCCC1 DSALSJWXNYUXDF-UHFFFAOYSA-N 0.000 description 1
- WXIUBYCJAAEOFL-UHFFFAOYSA-N [S].ClOCl Chemical compound [S].ClOCl WXIUBYCJAAEOFL-UHFFFAOYSA-N 0.000 description 1
- XAQHXGSHRMHVMU-UHFFFAOYSA-N [S].[S] Chemical compound [S].[S] XAQHXGSHRMHVMU-UHFFFAOYSA-N 0.000 description 1
- 150000001335 aliphatic alkanes Chemical class 0.000 description 1
- 125000003342 alkenyl group Chemical group 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 125000004369 butenyl group Chemical group C(=CCC)* 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
- 125000001995 cyclobutyl group Chemical group [H]C1([H])C([H])([H])C([H])(*)C1([H])[H] 0.000 description 1
- 125000000522 cyclooctenyl group Chemical group C1(=CCCCCCC1)* 0.000 description 1
- 125000002433 cyclopentenyl group Chemical group C1(=CCCC1)* 0.000 description 1
- 125000001559 cyclopropyl group Chemical group [H]C1([H])C([H])([H])C1([H])* 0.000 description 1
- 150000002019 disulfides Chemical class 0.000 description 1
- FPIQZBQZKBKLEI-UHFFFAOYSA-N ethyl 1-[[2-chloroethyl(nitroso)carbamoyl]amino]cyclohexane-1-carboxylate Chemical compound ClCCN(N=O)C(=O)NC1(C(=O)OCC)CCCCC1 FPIQZBQZKBKLEI-UHFFFAOYSA-N 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 239000001307 helium Substances 0.000 description 1
- 229910052734 helium Inorganic materials 0.000 description 1
- SWQJXJOGLNCZEY-UHFFFAOYSA-N helium atom Chemical compound [He] SWQJXJOGLNCZEY-UHFFFAOYSA-N 0.000 description 1
- 125000003187 heptyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 125000006038 hexenyl group Chemical group 0.000 description 1
- 125000004051 hexyl group Chemical group [H]C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])* 0.000 description 1
- 238000005417 image-selected in vivo spectroscopy Methods 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 238000012739 integrated shape imaging system Methods 0.000 description 1
- DAZXVJBJRMWXJP-UHFFFAOYSA-N n,n-dimethylethylamine Chemical compound CCN(C)C DAZXVJBJRMWXJP-UHFFFAOYSA-N 0.000 description 1
- WOLFCKKMHUVEPN-UHFFFAOYSA-N n-ethyl-n-methylbutan-1-amine Chemical compound CCCCN(C)CC WOLFCKKMHUVEPN-UHFFFAOYSA-N 0.000 description 1
- GNVRJGIVDSQCOP-UHFFFAOYSA-N n-ethyl-n-methylethanamine Chemical compound CCN(C)CC GNVRJGIVDSQCOP-UHFFFAOYSA-N 0.000 description 1
- TVMXDCGIABBOFY-UHFFFAOYSA-N octane Chemical compound CCCCCCCC TVMXDCGIABBOFY-UHFFFAOYSA-N 0.000 description 1
- 125000004365 octenyl group Chemical group C(=CCCCCCC)* 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 125000002255 pentenyl group Chemical group C(=CCCC)* 0.000 description 1
- 125000001147 pentyl group Chemical group C(CCCC)* 0.000 description 1
- 239000002244 precipitate Substances 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 239000012279 sodium borohydride Substances 0.000 description 1
- 229910000033 sodium borohydride Inorganic materials 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 125000003396 thiol group Chemical group [H]S* 0.000 description 1
- 229920002554 vinyl polymer Polymers 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
- C07C51/58—Preparation of carboxylic acid halides
- C07C51/60—Preparation of carboxylic acid halides by conversion of carboxylic acids or their anhydrides or esters, lactones, salts into halides with the same carboxylic acid part
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Description
200911749 九、發明說明: 【發明所屬之技術領域】 本發明係有關一種製備醯氣之方法,該醯氣可用於作為 醫藥活性化合物製備之中間物。 【發明内容】 於態樣中,本發明提供一種製備式j化合物之方法
CI 其中, R 為氣、Cl_C8烷基或C2_C8烯基,其未被取代或被一個 或多個選自C1-CS烷氧基及c3-c8環烷基之取代基取 代;且 ^和尺3與其所連接之碳原子結合形成(:3-(:7環烷基或c5-c8 環烯基; 該方法包括在三_Ci_C5烷基胺及脂肪族烴溶劑存在下,亞 Q 硫酿氣式11化合物使式II化合物與亞硫醯氯反應 RR2Xf0 OH (II) 其中、r2和R3具有前述意義。 式1化合物可作為合成例如描述於例如EP 1,020,439之有 價值醫藥化合物的中間物。 因而,本發明另一實施例提供一種包括以下流程所示之 合成步驟的方法: 130313.doc 200911749
其中R1、R2和R3係如前文所定義,R^C]_C8烧基。尤 其該方法包括胺基使式I化合物與雙(2-胺基苯基)二硫反 應來醯化(2-胺基苯基)二硫中的胺基;用還原劑如三苯基 膦、硼氫化鋅或硼氫化鈉還原胺基_經醯化二硫產物,以 產製硫醇產物;用R4C(0)C1將硫醇產物中之氫硫基醯化。 可以執行額外的步驟,如根據披露於Shinkai等人j. Med.
Chem,43:3566-3572 (2000)之程序進行。
CrC8烷基之實例包括曱基,乙基,直鏈和支鏈丙基, 丁基,戊基,己基如CH2CH(CH2CH3)2,庚基及辛基。對 於R1而言,CVC8烷基為CH2CH(CH2Ch3)2較佳。對於r4而 言,C^C:8烷基為異丙基較佳。
G
2 Cs烯基之實例包括在任何可能位置含有一個或多個 鍵之不飽和碳鏈乙烯基、烯丙基、丁烯基、戊烯 基、己烯基、庚烯基及辛烯基。 C3-C7環烷基之實例包括環丙基、環丁基、環戊基、環 己基及環庚基。C3_C7環院基為環己基較佳。C5_C8環稀基 之實例包括環戊_、環己縣、環㈣基、環辛烯基、 環戊一烯基、%已二烯基、環庚二烯基、環辛二烯基。 c5-c8環烯基為環戊婦基、環己稀基及環庚稀基較佳。 【實施方式】 130313.doc 200911749 術語”三-CVC5烷基胺”意指化學式為R4N(R5)R6之化合 物,其中R4、R5和R6分別為Ci_C8烷基,包括三乙胺、三 丁胺、二乙基甲胺、二甲基乙胺、甲基乙基丁胺。 術語'’脂肪族烴”意指分支鏈、直鏈或環狀烴鏈,如戊 烷、己烷、庚烷、辛烷、環戊烷、環己烷或其混合。最佳 脂肪族烴為庚烷。 4方法可在20 C至60°C範圍内之溫度,例如在4〇。〇至 55°C範圍中進行。 本發明之醯化步驟較佳係在鹼存在下實施。較佳鹼包含 有機驗’ N-甲基嗎啉為較佳有機鹼。 在反應混合物中亞硫醯氣相對於式„化合物之量係為i .〇 當ϊ至2·0當量範圍内之亞硫醯氣,例如i 〇當量至! 2當量 亞硫醯氯,例如1.2當量亞硫醯氯。 三-Ci-C5烷基胺之量相對於式„化合物之量可為$爪〇1% 至〇.l m〇1%之比例,例如0.3 mol。/。至0.5 m〇l%,例如〇 3 mol%。 另一方面,本發明提供一種製備前述式!化合物之方 法,包括在三-C^-C:5烷基胺和脂肪族烴溶劑存在下,藉由 持續添加亞硫醯氯,使前述式π化合物進行反應。 術《。持續添加"意指視批量而定,在丨〇分鐘至5小時週 期時間中’冑亞硫醯氯添加至式„化合物纟脂肪族烴溶劑 中的溶液中。添加亞硫醯氣之前,將式„化合物溶液加熱 至所需溫度。此方法不同於分批模式,分批模式是在下 混合所有成分,並將混合物將熱至所需溫度。 130313.doc 200911749 本發明-個實施例提供製備式!化合物之方法,其中Rl 為CH2CH(CH2CH3)2。本發明3 _個f施% & # |備式Μ 口物之方法’ 4中二_C]_C5烷基胺為三乙胺或三丁胺。本 發明一個較佳實施例提供製備式Z化合物之方法,其中三_ C丨-C5烷基胺為三丁胺。當使用三丁胺時,第三胺之鹽酸 鹽不發生沉澱。 式II化合物可通過商業途徑獲得或以技術人員熟知之程 序製備。 總體上’應用於該說明書之命名係基於aijt〇n〇mtm 種為產生IUPAC系統命名之Beil stein Institute電腦 化系統。顯示之化學結構係利用ISIS® versi〇n 2.2製備。 在結構中出現於碳原子、氧原子或氮原子之開放化合價係 表示存有氮原子。 實例.在0.003當量三丁胺及作為溶劑之庚烷存在下製備 (2-乙基-丁基)_環己烷羰基氣 ό·〇 kg(28.3 mol) 1-(2-乙基-丁基)_環己烷甲酸和 20.6 mL 二丁胺(0.085 mmol)於1〇 l庚烧中之混合物溫熱至50。(:。 在40至50°C溫度於40分鐘期間添加2.5 L(34.5 mol)亞硫醯 氯(反應為吸熱反應,出現劇烈氣體釋放),反應混合物保 持在53°C至55°C。60分鐘後ipc控制指出轉化完全(0.04% 1-(2-乙基-丁基)·環己烷甲酸,無i_(2_乙基-丁基環己烷 甲酸酐)。在減壓下(7〇它浴,13-8 mbar)去除揮發組分後, 獲得殘留物6.86 kg(測定92.5% 1-(2-乙基-丁基)-環己烷羰 基氯,產率97.2%)。 130313.doc
Claims (1)
- (I) 200911749 十、申請專利範圍: 1· 一種製備式I之化合物的方法其中 R1CI 為氫、Cl_C8烷基或C2-C8烯基 個或多個選自Cl-C8烷氧基及c 取代;且 ’其未被取代或被一 rCs環烷基之取代基 R和R3與其所連接之碳E +姓A *〜厌尽于結合形成Cpq環烷基或C C8環烯基; X方法係包括在二-C】-C5烷基胺和脂肪族烴溶劑存在 下’使式II化合物與亞硫醯氣反應: R R1 其中R1、R2和R3係具有前述意義。 如請求項1之方法,其另外包括以式I化合物醯化式ΠΙ之 化合物以產製式IV化合物的夕驟:(III)130313.doc (IV) 200911749 其中’ Rl、R2和R3係如請求項1所定義。 3.如請求項2之方法’其另外包括以還原劑還原式w化合 物以產製式V化合物之步驟:(V) 其中,R1、R2和R3係如請求項1所定義。4.如請求項3之方法,其另外包括以R4c(〇)ci醯化式v之化 合物以產製式VI化合物之步驟:(VI) 其中,、R2和R3係如請求項1所定義,R4為。·。烷 基。 5·如請求項4之方法,其中R4為異丙基。 如吻求項1之方法,其中亞硫醯氯係以相對於式II化合 物’ 1·〇當量至12當量亞硫醯氯之範圍存在。 月求項1之方法,其中三-C1-C5烧基胺之量相對於式Η 化合物之量係為5 m〇l%至〇 1 m〇1%之比例。 8.如%求項1之方法,其中該亞硫醯氯係持續添加。 9·如吻求之方法,其中中,“及尺3與其所連接之碳 原、子結合形成<:3-(:7環烷基。 10·如求項J之方法,其中中,R丨為CH2CH(CH2CH3)2, 130313.doc 200911749 ▲與其所連接之碳原子結合形成環己基。 U·如叫求項1之方法,其中該三烧基胺為三乙胺或三 丁胺。 12. 如喷求項!之方法,其中該三π】·。烷基胺為三丁胺。 13. 如印求項2或4之方法,其中在鹼存在下執行醯化步驟。 14. 如請求項13之方法,其中該鹼為有機鹼。 15. 如請求項14之方法,其中該有機鹼為N_甲基嗎啉。 C 130313.doc 200911749 七、指定代表圖: (一) 本案指定代表圖為:(無) (二) 本代表圖之元件符號簡單說明: 八、本案若有化學式時,請揭示最能顯示發明特徵的化學式:130313.doc -4-
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| US2899458A (en) * | 1959-08-11 | Process for producing oxy aromatic | ||
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| US4129595A (en) * | 1978-03-29 | 1978-12-12 | Chevron Research Company | Preparation of chloroacetyl chloride |
| JPS5740432A (en) * | 1980-08-25 | 1982-03-06 | Mitsubishi Chem Ind Ltd | Production of carboxylic acid chloride |
| JPS57163342A (en) * | 1981-03-30 | 1982-10-07 | Seitetsu Kagaku Co Ltd | Preparation of 3,4,5-trimethoxybenzoic acid halide |
| JPS6420439A (en) | 1987-07-15 | 1989-01-24 | Yamatake Honeywell Co Ltd | Humidity sensible element |
| DE3903623A1 (de) * | 1989-02-08 | 1990-08-09 | Basf Ag | Verfahren zur herstellung von anthrachinonderivaten |
| JPH03255050A (ja) * | 1990-03-01 | 1991-11-13 | Mitsubishi Kasei Corp | シス,シス―ムコン酸クロリドの製造方法 |
| JPH07242593A (ja) * | 1994-03-08 | 1995-09-19 | Asahi Glass Co Ltd | 2,3,4,5−テトラフルオロ安息香酸の製造方法 |
| JP3290962B2 (ja) * | 1997-02-12 | 2002-06-10 | 日本たばこ産業株式会社 | Cetp活性阻害剤 |
| JP2894445B2 (ja) | 1997-02-12 | 1999-05-24 | 日本たばこ産業株式会社 | Cetp活性阻害剤として有効な化合物 |
| IT1292037B1 (it) * | 1997-05-30 | 1999-01-25 | Bracco Spa | Processo per la preparazione di 5-(acetil 62,3-diidrossipropil)- ammino)-n,n'-bis(2,3-diidrossipropil)-2,4,6-triiodo-1,3-benzen- |
| JP2000026369A (ja) * | 1998-07-10 | 2000-01-25 | Sumikin Chemical Co Ltd | 3−アセトキシ−2−メチル安息香酸クロライドの製造方法 |
| JP2001278839A (ja) * | 2000-01-25 | 2001-10-10 | Kanegafuchi Chem Ind Co Ltd | 2−位が置換された光学活性カルボン酸の製造法 |
| JP2002069033A (ja) * | 2000-06-16 | 2002-03-08 | Japan Tobacco Inc | 1−置換−シクロヘキサンカルボニルハライド化合物の製造方法 |
| WO2002095709A2 (en) * | 2001-05-18 | 2002-11-28 | Technology Planning Incorporated | Surface traffic movement system and method |
| US20030154059A1 (en) * | 2001-11-30 | 2003-08-14 | Jorg-Uwe Feldmann | Simulation apparatus and simulation method for a system having analog and digital elements |
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| ITMI20031333A1 (it) * | 2003-06-30 | 2005-01-01 | Erregierre Spa | Processo di preparazione di raloxifene cloridrato. |
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| EP1935867A1 (en) * | 2006-12-20 | 2008-06-25 | F. Hoffmann-La Roche Ag | Process for preparing 1-(2-ethyl-butyl)-cyclohexanecarboxylic acid |
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