CN116947780A - 一种噻唑烷-4-硫酮衍生物的制备方法 - Google Patents
一种噻唑烷-4-硫酮衍生物的制备方法 Download PDFInfo
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- 238000002360 preparation method Methods 0.000 title claims abstract description 24
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims abstract description 72
- 239000012074 organic phase Substances 0.000 claims abstract description 27
- 238000001035 drying Methods 0.000 claims abstract description 24
- 238000001914 filtration Methods 0.000 claims abstract description 24
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 24
- 238000004440 column chromatography Methods 0.000 claims abstract description 23
- 239000003960 organic solvent Substances 0.000 claims abstract description 14
- 239000000654 additive Substances 0.000 claims abstract description 12
- 230000000996 additive effect Effects 0.000 claims abstract description 11
- 150000002540 isothiocyanates Chemical class 0.000 claims abstract description 10
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 claims abstract description 9
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 9
- 239000011593 sulfur Substances 0.000 claims abstract description 9
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 6
- 238000007865 diluting Methods 0.000 claims abstract description 4
- 238000005406 washing Methods 0.000 claims abstract description 4
- 238000002156 mixing Methods 0.000 claims abstract description 3
- 238000004809 thin layer chromatography Methods 0.000 claims abstract description 3
- 125000000118 dimethyl group Chemical group [H]C([H])([H])* 0.000 claims description 49
- BZLVMXJERCGZMT-UHFFFAOYSA-N Methyl tert-butyl ether Chemical compound COC(C)(C)C BZLVMXJERCGZMT-UHFFFAOYSA-N 0.000 claims description 33
- KAVUKAXLXGRUCD-UHFFFAOYSA-M sodium trifluoromethanesulfinate Chemical group [Na+].[O-]S(=O)C(F)(F)F KAVUKAXLXGRUCD-UHFFFAOYSA-M 0.000 claims description 25
- 229910052736 halogen Inorganic materials 0.000 claims description 8
- 150000002367 halogens Chemical group 0.000 claims description 8
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 claims description 6
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 6
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 6
- 229910052739 hydrogen Inorganic materials 0.000 claims description 6
- 239000001257 hydrogen Substances 0.000 claims description 6
- 150000002431 hydrogen Chemical group 0.000 claims description 6
- FVAUCKIRQBBSSJ-UHFFFAOYSA-M sodium iodide Chemical compound [Na+].[I-] FVAUCKIRQBBSSJ-UHFFFAOYSA-M 0.000 claims description 6
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 claims description 4
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 4
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical group CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims description 4
- SECXISVLQFMRJM-UHFFFAOYSA-N N-Methylpyrrolidone Chemical compound CN1CCCC1=O SECXISVLQFMRJM-UHFFFAOYSA-N 0.000 claims description 4
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 4
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 4
- 125000003545 alkoxy group Chemical group 0.000 claims description 4
- 125000000217 alkyl group Chemical group 0.000 claims description 4
- XYRYDVSXZCBWQD-UHFFFAOYSA-N fluorobenzene;isothiocyanic acid Chemical compound N=C=S.FC1=CC=CC=C1 XYRYDVSXZCBWQD-UHFFFAOYSA-N 0.000 claims description 4
- JHJLBTNAGRQEKS-UHFFFAOYSA-M sodium bromide Chemical compound [Na+].[Br-] JHJLBTNAGRQEKS-UHFFFAOYSA-M 0.000 claims description 4
- LPXPTNMVRIOKMN-UHFFFAOYSA-M sodium nitrite Chemical compound [Na+].[O-]N=O LPXPTNMVRIOKMN-UHFFFAOYSA-M 0.000 claims description 4
- JQWHASGSAFIOCM-UHFFFAOYSA-M sodium periodate Chemical compound [Na+].[O-]I(=O)(=O)=O JQWHASGSAFIOCM-UHFFFAOYSA-M 0.000 claims description 4
- GEHJYWRUCIMESM-UHFFFAOYSA-L sodium sulfite Chemical compound [Na+].[Na+].[O-]S([O-])=O GEHJYWRUCIMESM-UHFFFAOYSA-L 0.000 claims description 4
- DKGAVHZHDRPRBM-UHFFFAOYSA-N Tert-Butanol Chemical compound CC(C)(C)O DKGAVHZHDRPRBM-UHFFFAOYSA-N 0.000 claims description 3
- 239000000460 chlorine Substances 0.000 claims description 3
- XGPOMXSYOKFBHS-UHFFFAOYSA-M sodium;trifluoromethanesulfonate Chemical group [Na+].[O-]S(=O)(=O)C(F)(F)F XGPOMXSYOKFBHS-UHFFFAOYSA-M 0.000 claims description 3
- BYEAHWXPCBROCE-UHFFFAOYSA-N 1,1,1,3,3,3-hexafluoropropan-2-ol Chemical compound FC(F)(F)C(O)C(F)(F)F BYEAHWXPCBROCE-UHFFFAOYSA-N 0.000 claims description 2
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical compound ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 claims description 2
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 claims description 2
- LCPVQAHEFVXVKT-UHFFFAOYSA-N 2-(2,4-difluorophenoxy)pyridin-3-amine Chemical compound NC1=CC=CN=C1OC1=CC=C(F)C=C1F LCPVQAHEFVXVKT-UHFFFAOYSA-N 0.000 claims description 2
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 claims description 2
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims description 2
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 claims description 2
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 claims description 2
- PMZURENOXWZQFD-UHFFFAOYSA-L Sodium Sulfate Chemical compound [Na+].[Na+].[O-]S([O-])(=O)=O PMZURENOXWZQFD-UHFFFAOYSA-L 0.000 claims description 2
- DWAQJAXMDSEUJJ-UHFFFAOYSA-M Sodium bisulfite Chemical compound [Na+].OS([O-])=O DWAQJAXMDSEUJJ-UHFFFAOYSA-M 0.000 claims description 2
- 239000004280 Sodium formate Substances 0.000 claims description 2
- 125000000051 benzyloxy group Chemical group [H]C1=C([H])C([H])=C(C([H])=C1[H])C([H])([H])O* 0.000 claims description 2
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 claims description 2
- 229910052794 bromium Inorganic materials 0.000 claims description 2
- 229910052801 chlorine Inorganic materials 0.000 claims description 2
- 125000004093 cyano group Chemical group *C#N 0.000 claims description 2
- YDEXUEFDPVHGHE-GGMCWBHBSA-L disodium;(2r)-3-(2-hydroxy-3-methoxyphenyl)-2-[2-methoxy-4-(3-sulfonatopropyl)phenoxy]propane-1-sulfonate Chemical compound [Na+].[Na+].COC1=CC=CC(C[C@H](CS([O-])(=O)=O)OC=2C(=CC(CCCS([O-])(=O)=O)=CC=2)OC)=C1O YDEXUEFDPVHGHE-GGMCWBHBSA-L 0.000 claims description 2
- 229910052731 fluorine Inorganic materials 0.000 claims description 2
- 239000011737 fluorine Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims description 2
- GLGXXYFYZWQGEL-UHFFFAOYSA-M potassium;trifluoromethanesulfonate Chemical compound [K+].[O-]S(=O)(=O)C(F)(F)F GLGXXYFYZWQGEL-UHFFFAOYSA-M 0.000 claims description 2
- 239000011780 sodium chloride Substances 0.000 claims description 2
- HRZFUMHJMZEROT-UHFFFAOYSA-L sodium disulfite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])(=O)=O HRZFUMHJMZEROT-UHFFFAOYSA-L 0.000 claims description 2
- JVBXVOWTABLYPX-UHFFFAOYSA-L sodium dithionite Chemical compound [Na+].[Na+].[O-]S(=O)S([O-])=O JVBXVOWTABLYPX-UHFFFAOYSA-L 0.000 claims description 2
- HLBBKKJFGFRGMU-UHFFFAOYSA-M sodium formate Chemical compound [Na+].[O-]C=O HLBBKKJFGFRGMU-UHFFFAOYSA-M 0.000 claims description 2
- 235000019254 sodium formate Nutrition 0.000 claims description 2
- 235000010267 sodium hydrogen sulphite Nutrition 0.000 claims description 2
- 235000009518 sodium iodide Nutrition 0.000 claims description 2
- 229940001584 sodium metabisulfite Drugs 0.000 claims description 2
- 235000010262 sodium metabisulphite Nutrition 0.000 claims description 2
- 235000010288 sodium nitrite Nutrition 0.000 claims description 2
- CHQMHPLRPQMAMX-UHFFFAOYSA-L sodium persulfate Substances [Na+].[Na+].[O-]S(=O)(=O)OOS([O-])(=O)=O CHQMHPLRPQMAMX-UHFFFAOYSA-L 0.000 claims description 2
- 229910052938 sodium sulfate Inorganic materials 0.000 claims description 2
- 235000011152 sodium sulphate Nutrition 0.000 claims description 2
- 235000010265 sodium sulphite Nutrition 0.000 claims description 2
- PODWXQQNRWNDGD-UHFFFAOYSA-L sodium thiosulfate pentahydrate Chemical compound O.O.O.O.O.[Na+].[Na+].[O-]S([S-])(=O)=O PODWXQQNRWNDGD-UHFFFAOYSA-L 0.000 claims description 2
- SJRDNQOIQZOVQD-UHFFFAOYSA-M sodium;2,2-dimethylpropanoate Chemical compound [Na+].CC(C)(C)C([O-])=O SJRDNQOIQZOVQD-UHFFFAOYSA-M 0.000 claims description 2
- MRTAVLDNYYEJHK-UHFFFAOYSA-M sodium;2-chloro-2,2-difluoroacetate Chemical compound [Na+].[O-]C(=O)C(F)(F)Cl MRTAVLDNYYEJHK-UHFFFAOYSA-M 0.000 claims description 2
- KVCGISUBCHHTDD-UHFFFAOYSA-M sodium;4-methylbenzenesulfonate Chemical compound [Na+].CC1=CC=C(S([O-])(=O)=O)C=C1 KVCGISUBCHHTDD-UHFFFAOYSA-M 0.000 claims description 2
- CHLCPTJLUJHDBO-UHFFFAOYSA-M sodium;benzenesulfinate Chemical compound [Na+].[O-]S(=O)C1=CC=CC=C1 CHLCPTJLUJHDBO-UHFFFAOYSA-M 0.000 claims description 2
- KKVTYAVXTDIPAP-UHFFFAOYSA-M sodium;methanesulfonate Chemical compound [Na+].CS([O-])(=O)=O KKVTYAVXTDIPAP-UHFFFAOYSA-M 0.000 claims description 2
- QDWYPRSFEZRKDK-UHFFFAOYSA-M sodium;sulfamate Chemical compound [Na+].NS([O-])(=O)=O QDWYPRSFEZRKDK-UHFFFAOYSA-M 0.000 claims description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 2
- 238000004519 manufacturing process Methods 0.000 claims 9
- JUQXPGLTLBUSIO-UHFFFAOYSA-N N=C=S.COC1=CC=CC=C1 Chemical compound N=C=S.COC1=CC=CC=C1 JUQXPGLTLBUSIO-UHFFFAOYSA-N 0.000 claims 3
- NYHHYBRRMNYBIC-UHFFFAOYSA-N N=C=S.CC(C)(C)C1=CC=CC=C1 Chemical compound N=C=S.CC(C)(C)C1=CC=CC=C1 NYHHYBRRMNYBIC-UHFFFAOYSA-N 0.000 claims 1
- UXHQMSUJQLPRAW-UHFFFAOYSA-N benzene;isothiocyanic acid Chemical compound N=C=S.C1=CC=CC=C1 UXHQMSUJQLPRAW-UHFFFAOYSA-N 0.000 claims 1
- ZRBFSULGNPXCMK-UHFFFAOYSA-N isothiocyanic acid;toluene Chemical compound N=C=S.CC1=CC=CC=C1 ZRBFSULGNPXCMK-UHFFFAOYSA-N 0.000 claims 1
- 125000006340 pentafluoro ethyl group Chemical group FC(F)(F)C(F)(F)* 0.000 claims 1
- 239000004289 sodium hydrogen sulphite Substances 0.000 claims 1
- 238000006243 chemical reaction Methods 0.000 abstract description 67
- 239000002994 raw material Substances 0.000 abstract description 2
- 230000035484 reaction time Effects 0.000 abstract description 2
- 239000000758 substrate Substances 0.000 abstract description 2
- HEDRZPFGACZZDS-MICDWDOJSA-N Trichloro(2H)methane Chemical compound [2H]C(Cl)(Cl)Cl HEDRZPFGACZZDS-MICDWDOJSA-N 0.000 description 63
- 238000005481 NMR spectroscopy Methods 0.000 description 62
- -1 nitrogen-containing heterocyclic compound Chemical class 0.000 description 32
- QKFJKGMPGYROCL-UHFFFAOYSA-N phenyl isothiocyanate Chemical compound S=C=NC1=CC=CC=C1 QKFJKGMPGYROCL-UHFFFAOYSA-N 0.000 description 24
- 238000001819 mass spectrum Methods 0.000 description 21
- 230000005311 nuclear magnetism Effects 0.000 description 21
- 239000000203 mixture Substances 0.000 description 20
- 239000011734 sodium Substances 0.000 description 20
- 125000000475 sulfinyl group Chemical group [*:2]S([*:1])=O 0.000 description 19
- QFPFAMXSPHDRJE-UHFFFAOYSA-N 1,3-thiazolidine-4-thione Chemical class S=C1CSCN1 QFPFAMXSPHDRJE-UHFFFAOYSA-N 0.000 description 15
- 229940117953 phenylisothiocyanate Drugs 0.000 description 12
- 150000001875 compounds Chemical class 0.000 description 3
- 229940079593 drug Drugs 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 238000003786 synthesis reaction Methods 0.000 description 3
- QKAOOWJWWKWWOZ-UHFFFAOYSA-N 1-isothiocyanato-2-methoxybenzene Chemical compound COC1=CC=CC=C1N=C=S QKAOOWJWWKWWOZ-UHFFFAOYSA-N 0.000 description 2
- WHBYCPUKGYEYFU-UHFFFAOYSA-N 1-isothiocyanato-3-methoxybenzene Chemical compound COC1=CC=CC(N=C=S)=C1 WHBYCPUKGYEYFU-UHFFFAOYSA-N 0.000 description 2
- VRPQCVLBOZOYCG-UHFFFAOYSA-N 1-isothiocyanato-4-methoxybenzene Chemical compound COC1=CC=C(N=C=S)C=C1 VRPQCVLBOZOYCG-UHFFFAOYSA-N 0.000 description 2
- OCGNNCBNRBTUCG-UHFFFAOYSA-N 1-tert-butyl-4-isothiocyanatobenzene Chemical compound CC(C)(C)C1=CC=C(N=C=S)C=C1 OCGNNCBNRBTUCG-UHFFFAOYSA-N 0.000 description 2
- 230000004071 biological effect Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- IBPHXKCFBXEFQP-UHFFFAOYSA-N 1,1,1,2,2-pentafluoroethane Chemical group F[C](F)C(F)(F)F IBPHXKCFBXEFQP-UHFFFAOYSA-N 0.000 description 1
- 238000004293 19F NMR spectroscopy Methods 0.000 description 1
- FGTZSYSBYNJFDC-UHFFFAOYSA-N 2-(trifluoromethyl)-1,3-thiazolidine Chemical compound FC(F)(F)C1NCCS1 FGTZSYSBYNJFDC-UHFFFAOYSA-N 0.000 description 1
- 241000238631 Hexapoda Species 0.000 description 1
- 230000000843 anti-fungal effect Effects 0.000 description 1
- 239000002220 antihypertensive agent Substances 0.000 description 1
- 229940127088 antihypertensive drug Drugs 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004587 chromatography analysis Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 238000007877 drug screening Methods 0.000 description 1
- 238000007306 functionalization reaction Methods 0.000 description 1
- DOUHZFSGSXMPIE-UHFFFAOYSA-N hydroxidooxidosulfur(.) Chemical compound [O]SO DOUHZFSGSXMPIE-UHFFFAOYSA-N 0.000 description 1
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 1
- 229930014626 natural product Natural products 0.000 description 1
- 239000000575 pesticide Substances 0.000 description 1
- 229940121649 protein inhibitor Drugs 0.000 description 1
- 239000012268 protein inhibitor Substances 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 150000003254 radicals Chemical class 0.000 description 1
- 150000003384 small molecules Chemical class 0.000 description 1
- 150000003548 thiazolidines Chemical class 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D277/00—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings
- C07D277/02—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings
- C07D277/20—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings having two or three double bonds between ring members or between ring members and non-ring members
- C07D277/32—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings not condensed with other rings having two or three 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, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D277/54—Nitrogen and either oxygen or sulfur atoms
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
本发明公开了一种噻唑烷‑4‑硫酮衍生物的制备方法,包括如下步骤:(1)将异硫氰酸酯或其衍生物、硫叶立德、添加剂和有机溶剂混合后,在空气气氛下,于20‑90℃反应12‑48h;(2)将步骤(1)所得的物料经乙酸乙酯稀释和水洗后,分离得有机相;(3)将上述有机相依次经干燥、过滤、浓缩和柱层析色谱或薄层色谱,得到噻唑烷‑4‑硫酮衍生物。本发明能够构建四取代的噻唑烷‑4‑硫酮衍生物,能够高效的合成含有三氟甲基的噻唑烷‑4‑硫酮衍生物,所用原料易得,收率高,反应条件温和,反应时间短,底物范围广,反应专一性强,后处理简便。
Description
技术领域
本发明属于有机合成技术领域,具体涉及一种噻唑烷-4-硫酮衍生物的制备方法。
背景技术
噻唑烷-4-硫酮是重要的含氮杂环化合物,一系列噻唑烷-4-硫酮及其衍生物可以从活细胞中提取,它们在生物体和药物中发挥着重要作用。因此,在含有噻唑烷-4-硫酮结构的药物和天然产物中观察到多种生物活性。在诸如蛋白质抑制剂、抗高血压药物、抗虫药物等领域,此类化合物及其衍生物起到重要的作用。在农药领域中,噻唑烷类化合物的抗真菌作用也得到了广泛的研究。此外,在具有生物活性的小分子母核中引入三氟甲基可以改变化合物的性质,如选择性、亲脂性。并且,含三氟甲基噻唑烷类化合物的合成对其在药物筛选的潜在应用具有吸引力。因此,噻唑烷-4-硫酮类化合物的有效合成和功能化一直是国内外研究的热点。
发明内容
本发明目的在于提供一种噻唑烷-4-硫酮衍生物的制备方法。
本发明的反应式如下:
本发明的技术方案如下:
一种噻唑烷-4-硫酮衍生物的制备方法,包括如下步骤:
(1)将异硫氰酸酯或其衍生物、硫叶立德、添加剂和有机溶剂混合后,在空气气氛下,于20-90℃反应12-48h;
(2)将步骤(1)所得的物料经乙酸乙酯稀释和水洗后,分离得有机相;
(3)将上述有机相依次经干燥、过滤、浓缩和柱层析色谱或薄层色谱,得到噻唑烷-4-硫酮衍生物;
上述异硫氰酸酯或其衍生物的结构式为其中,R为氢、烷基、烷氧基、卤素、三氟甲基、苄氧基、N,N-二烷基或S-烷基;
上述硫叶立德的结构式为其中R1为氢、烷基、烷氧基、三氟甲基、卤素、硝基或氰基,R2为氢、卤素、三氟甲基或五氟乙基。
在本发明的一个优选实施方案中,所述卤素为氟、氯或溴。
在本发明的一个优选实施方案中,所述硫叶立德选自(E)-3-(二甲基(氧代)-λ6-亚磺酰基)-1,1,1-三氟-N-(4-甲氧基苯基)丙烷-2-亚胺、(E)-3-(二甲基(氧代)-λ6-亚磺酰基)-1,1,1-三氟-N-(4-甲基苯基)丙烷-2-亚胺、(E)-3-(二甲基(氧代)-λ6-亚磺酰基)-1,1,1-三氟-N-(4-氟苯基)丙烷-2-亚胺、(E)-3-(二甲基(氧代)-λ6-亚磺酰基)-1,1,1-三氟-N-(4-氯苯基)丙烷-2-亚胺、(E)-3-(二甲基(氧代)-λ6-亚磺酰基)-1,1,1-三氟-N-(4-溴苯基)丙烷-2-亚胺、(E)-3-(二甲基(氧代)-λ6-亚磺酰基)-1,1,1-三氟-N-(4-三氟甲基苯基)丙烷-2-亚胺、(E)-3-(二甲基(氧代)-λ6-亚磺酰基)-1,1,1-三氟-N-(4-硝基苯基)丙烷-2-亚胺、(E)-3-(二甲基(氧代)-λ6-亚磺酰基)-1,1,1-三氟-N-(2-甲氧基苯基)丙烷-2-亚胺、(E)-3-(二甲基(氧代)-λ6-亚磺酰基)-1,1,1-三氟-N-(2-溴苯基)丙烷-2-亚胺、(E)-3-(二甲基(氧代)-λ6-亚磺酰基)-1,1,1-三氟-N-(3-甲氧基苯基)丙烷-2-亚胺、(E)-3-(二甲基(氧代)-λ6-亚磺酰基)-1,1,1-三氟-N-(3-三氟甲基苯基)丙烷-2-亚胺、(E)-3-(二甲基(氧代)-λ6-亚磺酰基)-1,1-二氟-N-苯基丙烷-2-亚胺、(E)-3-(二甲基(氧代)-λ6-亚磺酰基)-3,3,4,4,4-五氟-N-苯基丁烷-2-亚胺和(E)-3-(二甲基(氧代)-λ6-亚磺酰基)-3,3,4,4,5,5,5-七氟-N-苯基戊烷-2-亚胺。
在本发明的一个优选实施方案中,所述添加剂选自三氟甲基磺酸钠、三氟甲基磺酸钾、对甲苯磺酸钠、甲基磺酸钠、硫酸钠、亚硫酸氢钠、亚硫酸钠、焦亚硫酸钠、硫代硫酸钠、五水硫代硫酸钠、连二亚硫酸钠、过硫酸钠、氨基磺酸钠、甲酸钠、二氟氯乙酸钠、氯化钠、溴化钠、碘化钠、高碘酸钠、三氟甲基亚磺酸钠、木质素磺酸钠、苯亚磺酸钠、亚硝酸钠和三甲基醋酸钠。
进一步优选的,所述添加剂为三氟甲基亚磺酸钠。
在本发明的一个优选实施方案中,所述有机溶剂为乙醇、叔丁醇、乙醚、乙二醇二甲醚、二甲基亚砜、N,N-二甲基甲酰胺、N-甲基-2-吡咯烷酮、1,2-二氯乙烷、甲苯、1,4-二氧六环、四氢呋喃、六氟异丙醇、甲基叔丁基醚或乙腈。
进一步优选的,所述有机溶剂为甲基叔丁基醚。
在本发明的一个优选实施方案中,所述异硫氰酸酯或其衍生物为苯异硫氰酸酯、4-甲氧基苯异硫氰酸酯、4-甲基苯异硫氰酸酯、4-叔丁基苯异硫氰酸酯、4-氟苯异硫氰酸酯、2-氟苯异硫氰酸酯、2-甲氧基苯异硫氰酸酯或3-甲氧基苯异硫氰酸酯。
在本发明的一个优选实施方案中,所述有机溶剂为甲基叔丁基醚,所述添加剂为三氟甲基亚磺酸钠,所述有机溶剂为甲基叔丁基醚。
在本发明的一个优选实施方案中,所述异硫氰酸酯或其衍生物、硫叶立德以及添加剂的摩尔比为1-4∶1∶0-4,且每0.01mmol硫叶立德对应所述有机溶剂0.1-2mL。
进一步优选的,所述异硫氰酸酯或其衍生物、硫叶立德以及添加剂的摩尔比为3∶1∶1-3,且每0.1mmol硫叶立德对应所述有机溶剂1.5mL
本发明的有益效果是:
1、本发明能够构建四取代的噻唑烷-4-硫酮衍生物,能够高效的合成含有三氟甲基的噻唑烷-4-硫酮衍生物。
2、本发明所用原料易得,收率高,反应条件温和,反应时间短,底物范围广,反应专一性强,后处理简便。
具体实施方式
以下通过具体实施方式对本发明的技术方案进行进一步的说明和描述。
实施例1
(2Z,5E)-3-苯基-2-(苯亚胺基)-5-(2,2,2-三氟甲基-1-((4-甲氧基苯基)氨基)亚乙基)噻唑烷-4-硫酮的制备
将苯异硫氰酸酯0.3mmol、((E)-3-(二甲基(氧代)-λ6-亚磺酰基)-1,1,1-三氟-N-(4-甲氧基苯基)丙烷-2-亚胺0.1mmol、三氟甲烷亚磺酸钠0.3mmol和甲基叔丁基醚1.5mL加入到15mL的反应管中,在空气气氛下置于50℃的油浴中,反应48h;冷却至室温,反应液用乙酸乙酯稀释,水洗三次,有机相用无水Na2SO4干燥,过滤,浓缩,柱层析色谱纯化得到33.8mg的目标产物,收率为70%。
该目标产物的核磁和高分辨质谱表征如下:
1H NMR(500MHz,Chloroform-d)δ13.86(s,1H),7.61–7.56(m,2H),7.53–7.48(m,1H),7.38–7.30(m,4H),7.11(dd,J=8.3,5.0Hz,3H),6.96(d,J=7.3Hz,2H),6.91–6.86(m,2H),3.80(s,3H).
13C NMR(126MHz,Chloroform-d)δ187.2,158.7,149.2,141.0(q,J=32.1Hz),137.3,130.4,129.7,129.4,129.3,128.9,126.6,124.6,120.8,120.8(q,J=281.7Hz),114.3,103.1,55.5.
19F NMR(471MHz,Chloroform-d)δ-58.9.
HRMS(ESI-TOF)m/z:calcd for C24H18F3N3OS2 +:486.0917(M+H)+,found:486.0917.
实施例2
(2Z,5E)-3-苯基-2-(苯亚胺基)-5-(2,2,2-三氟甲基-1-((4-甲基苯基)氨基)亚乙基)噻唑烷-4-硫酮的制备
将苯异硫氰酸酯0.3mmol、((E)-3-(二甲基(氧代)-λ6-亚磺酰基)-1,1,1-三氟-N-(4-甲基苯基)丙烷-2-亚胺0.1mmol、三氟甲烷亚磺酸钠0.3mmol和甲基叔丁基醚1.5mL加入到15mL的反应管中,在空气气氛下置于50℃的油浴中,反应48h;冷却至室温,反应液用乙酸乙酯稀释,水洗三次,有机相用无水Na2SO4干燥,过滤,浓缩,柱层析色谱纯化得到30.5mg的目标产物,收率为65%。
该目标产物的核磁和高分辨质谱表征如下:
1H NMR(500MHz,Chloroform-d)δ13.83(s,1H),7.58(dd,J=8.4,7.3Hz,2H),7.52–7.47(m,1H),7.39–7.31(m,4H),7.16(d,J=8.1Hz,2H),7.11(tt,J=7.5,1.2Hz,1H),7.06(d,J=8.1Hz,2H),7.00–6.92(m,2H),2.35(s,3H).
13C NMR(126MHz,Chloroform-d)δ187.4,155.4,149.2,140.5(q,J=32.4Hz),137.3,137.0,135.2,129.8,129.7,129.4,129.3,128.9,124.8,124.6,120.8(q,J=281.6Hz),120.8,103.7,21.0.
19F NMR(471MHz,Chloroform-d)δ-59.0.
HRMS(ESI-TOF)m/z:calcd for C24H18F3N3S2 +:470.0967(M+H)+,found:470.0967.
实施例3
(2Z,5E)-3-苯基-2-(苯亚胺基)-5-(2,2,2-三氟甲基-1-((4-氟苯基)氨基)亚乙基)噻唑烷-4-硫酮的制备
将苯异硫氰酸酯0.3mmol、((E)-3-(二甲基(氧代)-λ6-亚磺酰基)-1,1,1-三氟-N-(4-氟苯基)丙烷-2-亚胺0.1mmol、三氟甲烷亚磺酸钠0.3mmol和甲基叔丁基醚1.5mL加入到15mL的反应管中,在空气气氛下置于50℃的油浴中,反应48h;冷却至室温,反应液用乙酸乙酯稀释,水洗三次,有机相用无水Na2SO4干燥,过滤,浓缩,柱层析色谱纯化得到33mg的目标产物,收率为70%。
该目标产物的核磁和高分辨质谱表征如下:
1H NMR(500MHz,Chloroform-d)δ13.72(s,1H),7.59(dd,J=8.4,7.1Hz,2H),7.53–7.48(m,1H),7.39–7.30(m,4H),7.17–7.10(m,3H),7.08–7.02(m,2H),6.99–6.93(m,2H).
13C NMR(126MHz,Chloroform-d)δ187.8,162.4,160.4,155.1,149.1,140.2(q,J=32.5Hz),137.2,133.9,129.7,129.4(d,J=9.5Hz),128.8,126.9(d,J=8.6Hz),124.7,120.8(q,J=281.4Hz),120.7,116.1(d,J=23.0Hz),104.4.
19F NMR(471MHz,Chloroform-d)δ-58.9,-114.3.
HRMS(ESI-TOF)m/z:calcd for C23H15F4N3S2 +:474.0717(M+H)+,found:474.0717.
实施例4
(2Z,5E)-3-苯基-2-(苯亚胺基)-5-(2,2,2-三氟甲基-1-((4-氯苯基)氨基)亚乙基)噻唑烷-4-硫酮的制备
将苯异硫氰酸酯0.3mmol、((E)-3-(二甲基(氧代)-λ6-亚磺酰基)-1,1,1-三氟-N-(4-氯苯基)丙烷-2-亚胺0.1mmol、三氟甲烷亚磺酸钠0.3mmol和甲基叔丁基醚1.5mL加入到15mL的反应管中,在空气气氛下置于50℃的油浴中,反应48h;冷却至室温,反应液用乙酸乙酯稀释,水洗三次,有机相用无水Na2SO4干燥,过滤,浓缩,柱层析色谱纯化得到35mg的目标产物,收率为72%。
该目标产物的核磁和高分辨质谱表征如下:
1H NMR(500MHz,Chloroform-d)δ13.63(s,1H),7.57(t,J=7.8Hz,2H),7.51–7.47(m,1H),7.37–7.31(m,5H),7.30(s,1H),7.11(t,J=7.4Hz,1H),7.07(d,J=8.3Hz,2H),6.99–6.94(m,2H).
13C NMR(126MHz,Chloroform-d)δ188.0,154.9,148.9,139.4(q,J=32.6Hz),137.2,136.7,132.5,129.7,129.4,129.3,128.8,125.9,124.8,120.8(q,J=280.6,280.2Hz),120.7,105.5.
19F NMR(471MHz,Chloroform-d)δ-59.11.
HRMS(ESI-TOF)m/z:calcd for C23H15F3N3S2Cl+:490.0421(M+H)+,found:490.0421.
实施例5
(2Z,5E)-3-苯基-2-(苯亚胺基)-5-(2,2,2-三氟甲基-1-((4-溴苯基)氨基)亚乙基)噻唑烷-4-硫酮的制备
将苯异硫氰酸酯0.3mmol、((E)-3-(二甲基(氧代)-λ6-亚磺酰基)-1,1,1-三氟-N-(4-溴苯基)丙烷-2-亚胺0.1mmol、三氟甲烷亚磺酸钠0.3mmol和甲基叔丁基醚1.5mL加入到15mL的反应管中,在空气气氛下置于50℃的油浴中,反应48h;冷却至室温,反应液用乙酸乙酯稀释,水洗三次,有机相用无水Na2SO4干燥,过滤,浓缩,柱层析色谱纯化得到49mg的目标产物,收率为91%。
该目标产物的核磁和高分辨质谱表征如下:
1H NMR(500MHz,Chloroform-d)δ13.59(s,1H),7.60–7.55(m,2H),7.50(dd,J=7.9,1.8Hz,1H),7.47(dd,J=9.0,2.5Hz,2H),7.37–7.31(m,4H),7.12(t,J=7.4Hz,1H),7.02(d,J=8.8Hz,2H),6.99–6.92(m,2H).
13C NMR(126MHz,Chloroform-d)δ188.1,155.0,149.0,139.3(q,J=32.7Hz),137.3,137.2,132.4,129.8,129.5,129.4,128.8,126.2,124.8,120.8(q,J=280.8Hz),120.7,120.3,105.7.
19F NMR(471MHz,Chloroform-d)δ-59.2.
HRMS(ESI-TOF)m/z:calcd for C23H15F3N3S2Br+:533.9916(M+H)+,found:533.9915.
实施例6
(2Z,5E)-3-苯基-2-(苯亚胺基)-5-(2,2,2-三氟甲基-1-((4-三氟甲基苯基)氨基)亚乙基)噻唑烷-4-硫酮的制备
将苯异硫氰酸酯0.3mmol、((E)-3-(二甲基(氧代)-λ6-亚磺酰基)-1,1,1-三氟-N-(4-三氟甲基苯基)丙烷-2-亚胺0.1mmol、三氟甲烷亚磺酸钠0.3mmol和甲基叔丁基醚1.5mL加入到15mL的反应管中,在空气气氛下置于50℃的油浴中,反应48h;冷却至室温,反应液用乙酸乙酯稀释,水洗三次,有机相用无水Na2SO4干燥,过滤,浓缩,柱层析色谱纯化得到36.7mg的目标产物,收率为70%。
该目标产物的核磁和高分辨质谱表征如下:
1H NMR(500MHz,Chloroform-d)δ13.46(s,1H),7.63–7.56(m,4H),7.51(dd,J=8.4,6.5Hz,1H),7.34(t,J=8.0Hz,4H),7.22(d,J=8.1Hz,2H),7.13(t,J=7.3Hz,1H),6.96(d,J=7.5Hz,2H).
13C NMR(126MHz,Chloroform-d)δ188.6,154.6,148.8,141.8,138.3(q,J=33.2Hz),137.1,129.8,129.6,129.4,128.7,128.2(q,J=32.9Hz),126.5(q,J=3.8Hz),124.9,123.9,123.8(q,J=272.0Hz),120.8(q,J=281.0Hz),120.6,107.8.
19F NMR(471MHz,Chloroform-d)δ-59.6,-62.3.
HRMS(ESI-TOF)m/z:calcd for C24H15F6N3S2 +:524.0685(M+H)+,found:524.0685.实施例7
(2Z,5E)-3-苯基-2-(苯亚胺基)-5-(2,2,2-三氟甲基-1-((4-硝基苯基)氨基)亚乙基)噻唑烷-4-硫酮的制备
将苯异硫氰酸酯0.3mmol、((E)-3-(二甲基(氧代)-λ6-亚磺酰基)-1,1,1-三氟-N-(4-硝基苯基)丙烷-2-亚胺0.1mmol、三氟甲烷亚磺酸钠0.3mmol和甲基叔丁基醚1.5mL加入到15mL的反应管中,在空气气氛下置于50℃的油浴中,反应48h;冷却至室温,反应液用乙酸乙酯稀释,水洗三次,有机相用无水Na2SO4干燥,过滤,浓缩,柱层析色谱纯化得到29mg的目标产物,收率为58%。
该目标产物的核磁和高分辨质谱表征如下:
1H NMR(500MHz,Chloroform-d)δ13.12(s,1H),8.27–8.19(m,2H),7.59(dd,J=8.4,6.9Hz,2H),7.54–7.50(m,1H),7.38–7.33(m,4H),7.21–7.13(m,3H),7.00–6.93(m,2H).
13C NMR(126MHz,Chloroform-d)δ189.2,148.5,145.1,144.7,136.9,136.3(q,J=33.7Hz),129.9,129.7,129.5,128.6,126.3,125.2,125.1,122.5,120.5,112.2(q,J=275.6Hz).
19F NMR(471MHz,Chloroform-d)δ-60.15.
HRMS(ESI-TOF)m/z:calcd for C23H15F3N4O2S2 +:501.0662(M+H)+,found:501.0663.
实施例8
(2Z,5E)-3-苯基-2-(苯亚胺基)-5-(2,2,2-三氟甲基-1-((2-甲氧基苯基)氨基)亚乙基)噻唑烷-4-硫酮的制备
将苯异硫氰酸酯0.3mmol、((E)-3-(二甲基(氧代)-λ6-亚磺酰基)-1,1,1-三氟-N-(2-甲氧基苯基)丙烷-2-亚胺0.1mmol、三氟甲烷亚磺酸钠0.3mmol和甲基叔丁基醚1.5mL加入到15mL的反应管中,在空气气氛下置于50℃的油浴中,反应48h;冷却至室温,反应液用乙酸乙酯稀释,水洗三次,有机相用无水Na2SO4干燥,过滤,浓缩,柱层析色谱纯化得到37.4mg的目标产物,收率为77%。
该目标产物的核磁和高分辨质谱表征如下:
1H NMR(500MHz,Chloroform-d)δ13.62(s,1H),7.57(t,J=7.7Hz,2H),7.50–7.46(m,1H),7.37(dd,J=8.4,1.2Hz,2H),7.32(t,J=7.9Hz,2H),7.24–7.20(m,1H),7.11(q,J=7.1Hz,2H),6.97(d,J=7.4Hz,2H),6.95–6.89(m,2H),3.82(s,3H).
13C NMR(126MHz,Chloroform-d)δ187.1,155.5(q,J=2.9Hz),153.4,149.3,141.4(q,J=32.8Hz),137.4,129.6,129.3,128.9,128.0,127.0,125.8,124.5,120.8,120.7(q,J=281.6Hz),120.5,111.2,103.7,55.7.
19F NMR(471MHz,Chloroform-d)δ-61.48.
HRMS(ESI-TOF)m/z:calcd for C24H18F3N3OS2 +:486.0917(M+H)+,found:486.0917.
实施例9
(2Z,5E)-3-苯基-2-(苯亚胺基)-5-(2,2,2-三氟甲基-1-((2-溴苯基)氨基)亚乙基)噻唑烷-4-硫酮的制备
将苯异硫氰酸酯0.3mmol、((E)-3-(二甲基(氧代)-λ6-亚磺酰基)-1,1,1-三氟-N-(2-溴苯基)丙烷-2-亚胺0.1mmol、三氟甲烷亚磺酸钠0.3mmol和甲基叔丁基醚1.5mL加入到15mL的反应管中,在空气气氛下置于50℃的油浴中,反应48h;冷却至室温,反应液用乙酸乙酯稀释,水洗三次,有机相用无水Na2SO4干燥,过滤,浓缩,柱层析色谱纯化得到41mg的目标产物,收率为75%。
该目标产物的核磁和高分辨质谱表征如下:
1H NMR(500MHz,Chloroform-d)δ13.53(s,1H),7.62(dd,J=8.0,1.4Hz,1H),7.58(t,J=7.7Hz,2H),7.52–7.47(m,1H),7.40–7.32(m,4H),7.29(td,J=7.7,1.4Hz,1H),7.18(d,J=7.8Hz,1H),7.12(td,J=7.6,1.5Hz,2H),6.96(dd,J=7.9,1.5Hz,2H).
13C NMR(126MHz,Chloroform-d)δ188.4,155.0,149.0,139.1(q J=32.6Hz),137.4,137.2,133.2,129.7,129.4,129.4,128.8,128.1,128.0,126.8(q,J=2.5Hz),124.8,120.7(q,J=281.3Hz),120.7,119.6,106.3.
19F NMR(471MHz,Chloroform-d)δ-59.98.
HRMS(ESI-TOF)m/z:calcd for C23H15F3N3S2Br+:533.9916(M+H)+,found:533.9916.
实施例10
(2Z,5E)-3-苯基-2-(苯亚胺基)-5-(2,2,2-三氟甲基-1-((3-甲氧基苯基)氨基)亚乙基)噻唑烷-4-硫酮的制备
将苯异硫氰酸酯0.3mmol、((E)-3-(二甲基(氧代)-λ6-亚磺酰基)-1,1,1-三氟-N-(3-甲氧基苯基)丙烷-2-亚胺0.1mmol、三氟甲烷亚磺酸钠0.3mmol和甲基叔丁基醚1.5mL加入到15mL的反应管中,在空气气氛下置于50℃的油浴中,反应48h;冷却至室温,反应液用乙酸乙酯稀释,水洗三次,有机相用无水Na2SO4干燥,过滤,浓缩,柱层析色谱纯化得到35mg的目标产物,收率为72%。
该目标产物的核磁和高分辨质谱表征如下:
1H NMR(500MHz,Chloroform-d)δ13.70(s,1H),7.58(dd,J=8.3,7.1Hz,2H),7.52–7.47(m,1H),7.38–7.31(m,4H),7.25(s,1H),7.12(tt,J=7.4,1.2Hz,1H),6.98–6.94(m,2H),6.81(dd,J=8.3,2.3Hz,1H),6.75(d,J=7.9Hz,1H),6.70(d,J=2.3Hz,1H),3.79(s,3H).
13C NMR(126MHz,Chloroform-d)δ187.7,160.2,155.2,149.1,139.9(q,J=32.7Hz),139.2,137.3,129.9,129.7,129.4,129.4,128.8,124.7,120.8(q,J=281.1Hz),120.7,117.0,112.6,110.3,104.9,55.4.
19F NMR(471MHz,Chloroform-d)δ-59.24.
HRMS(ESI-TOF)m/z:calcd for C24H18F3N3OS2 +:486.0917(M+H)+,found:486.0917.
实施例11
(2Z,5E)-3-苯基-2-(苯亚胺基)-5-(2,2,2-三氟甲基-1-((3-三氟甲基苯基)氨基)亚乙基)噻唑烷-4-硫酮的制备
将苯异硫氰酸酯0.3mmol、((E)-3-(二甲基(氧代)-λ6-亚磺酰基)-1,1,1-三氟-N-(3-三氟甲基苯基)丙烷-2-亚胺0.1mmol、三氟甲烷亚磺酸钠0.3mmol和甲基叔丁基醚1.5mL加入到15mL的反应管中,在空气气氛下置于50℃的油浴中,反应48h;冷却至室温,反应液用乙酸乙酯稀释,水洗三次,有机相用无水Na2SO4干燥,过滤,浓缩,柱层析色谱纯化得到29.6mg的目标产物,收率为56%。
该目标产物的核磁和高分辨质谱表征如下:
1H NMR(500MHz,Chloroform-d)δ13.55(s,1H),7.59(t,J=7.8Hz,2H),7.52(d,J=7.5Hz,2H),7.50–7.46(m,1H),7.41(s,1H),7.38–7.31(m,5H),7.13(dd,J=8.2,6.7Hz,1H),6.99–6.94(m,2H).
13C NMR(126MHz,Chloroform-d)δ188.5,154.8,148.9,139.1,138.8(q,J=33.1Hz),137.1,131.9(q,J=32.8Hz),129.9,129.8,129.5,129.4,128.7,127.7,124.9,123.5(q,J=272.6Hz),123.3(q,J=3.9Hz),121.3,120.8(q,J=281.2Hz),120.7,106.9.
19F NMR(471MHz,Chloroform-d)δ-59.31,-62.81.
HRMS(ESI-TOF)m/z:calcd for C24H15F6N3S2 +:524.0685(M+H)+,found:524.0686.-2-(苯亚胺基)
实施例12
(2Z,5E)-5-(2,2-二氟-1-(苯胺基)亚乙基)-3-苯基-2-(苯亚胺基)噻唑烷-4-硫酮
将苯异硫氰酸酯0.3mmol、(E)-3-(二甲基(氧代)-λ6-亚磺酰基)-1,1-二氟-N-苯基丙烷-2-亚胺0.1mmol、三氟甲烷亚磺酸钠0.3mmol和甲基叔丁基醚1.5mL加入到15mL的反应管中,在空气气氛下置于50℃的油浴中,反应48h;冷却至室温,反应液用乙酸乙酯稀释,水洗三次,有机相用无水Na2SO4干燥,过滤,浓缩,柱层析色谱纯化得到16.6mg的目标产物,收率为38%。
该目标产物的核磁和高分辨质谱表征如下:
1H NMR(500MHz,Chloroform-d)δ13.93(s,1H),7.58(t,J=7.7Hz,2H),7.51–7.47(m,1H),7.43–7.36(m,4H),7.31(q,J=7.6Hz,3H),7.18(d,J=7.8Hz,2H),7.09(t,J=7.4Hz,1H),6.97(d,J=7.1Hz,2H),6.43(t,J=52.1Hz,1H).
13C NMR(126MHz,Chloroform-d)δ186.5,156.1,149.5,143.7(q,J=25.0Hz),137.4,136.2,129.8,129.6,129.3,129.2,129.0,127.3,125.0,124.4,120.9,110.1(t,J=244.6Hz),102.0.
19F NMR(471MHz,Chloroform-d)δ-117.02.
HRMS(ESI-TOF)m/z:calcd for C23H17F2N3S2 +:438.0905(M+H)+,found:438.0905.
实施例13
(2Z,5E)-5-(2,2,3,3,3-五氟-1-(苯胺基)亚丙基)-3-苯基-2-(苯亚胺基)噻唑烷-4-硫酮
将苯异硫氰酸酯0.3mmol、(E)-3-(二甲基(氧代)-λ6-亚磺酰基)-3,3,4,4,4-五氟-N-苯基丁烷-2-亚胺0.1mmol、三氟甲烷亚磺酸钠0.3mmol和甲基叔丁基醚1.5mL加入到15mL的反应管中,在空气气氛下置于50℃的油浴中,反应48h;冷却至室温,反应液用乙酸乙酯稀释,水洗三次,有机相用无水Na2SO4干燥,过滤,浓缩,柱层析色谱纯化得到20mg的目标产物,收率为40%。
该目标产物的核磁和高分辨质谱表征如下:
1H NMR(500MHz,Chloroform-d)δ13.84(s,1H),7.58(t,J=7.8Hz,2H),7.50(t,J=7.4Hz,1H),7.39–7.33(m,4H),7.32(d,J=8.2Hz,2H),7.29(t,J=7.4Hz,1H),7.17(d,J=7.6Hz,2H),7.11(t,J=7.4Hz,1H),6.95(d,J=7.4Hz,2H).
13C NMR(126MHz,Chloroform-d)δ187.7,155.1,149.0,139.4(q,J=23.4Hz),137.9,137.4,129.7,129.4,129.3,128.9,128.7,127.3,126.8,124.6,120.8,106.7.
19F NMR(471MHz,Chloroform-d)δ-81.72,-100.54–-119.00(m).
HRMS(ESI-TOF)m/z:calcd for C24H16F5N3S2 +:506.0779(M+H)+,found:506.0779.
实施例14
(2Z,5E)-5-(2,2,3,3,4,4,4-七氟-1-(苯胺基)亚丁基)-3-苯基-2-(苯亚胺基)噻唑烷-4-硫酮
将苯异硫氰酸酯0.3mmol、(E)-3-(二甲基(氧代)-λ6-亚磺酰基)-3,3,4,4,5,5,5-七氟-N-苯基戊烷-2-亚胺0.1mmol、三氟甲烷亚磺酸钠0.3mmol和甲基叔丁基醚1.5mL加入到15mL的反应管中,在空气气氛下置于50℃的油浴中,反应48h;冷却至室温,反应液用乙酸乙酯稀释,水洗三次,有机相用无水Na2SO4干燥,过滤,浓缩,柱层析色谱纯化得到22.1mg的目标产物,收率为40%。
该目标产物的核磁和高分辨质谱表征如下:
1H NMR(500MHz,Chloroform-d)δ13.78(s,1H),7.60–7.55(m,2H),7.51–7.47(m,1H),7.39–7.34(m,3H),7.34–7.31(m,3H),7.28(t,J=7.3Hz,1H),7.16(d,J=7.7Hz,2H),7.13–7.08(m,1H),6.98–6.93(m,2H).
13C NMR(126MHz,Chloroform-d)δ187.8,155.0,148.9,139.1(d,J=23.3Hz),138.0,137.4,129.7,129.4,129.3,128.9,128.7,127.2,126.6,124.6,120.8,107.5.
19F NMR(471MHz,Chloroform-d)δ-80.17(t,J=10.6Hz),-106.12(q,J=10.6Hz),-123.46–-123.57(m).
HRMS(ESI-TOF)m/z:calcd for C25H16F7N3S2 +:556.0747(M+H)+,found:556.0748.
实施例15
(2Z,5E)-5-(1-((4-溴苯基)氨基)-2,2,2-三氟乙基)-3-(4-甲氧基苯基)-2-((4-甲氧基苯基)亚氨基)噻唑烷-4-硫酮的制备
将4-甲氧基苯异硫氰酸酯0.3mmol、((E)-3-(二甲基(氧代)-λ6-亚磺酰基)-1,1,1-三氟-N-(4-溴苯基)丙烷-2-亚胺0.1mmol、三氟甲烷亚磺酸钠0.3mmol和甲基叔丁基醚1.5mL加入到15mL的反应管中,在空气气氛下置于50℃的油浴中,反应48h;冷却至室温,反应液用乙酸乙酯稀释,水洗三次,有机相用无水Na2SO4干燥,过滤,浓缩,柱层析色谱纯化得到45.5mg的目标产物,收率为77%。
该目标产物的核磁和高分辨质谱表征如下:
1H NMR(500MHz,Chloroform-d)δ13.55(s,1H),7.50–7.43(m,2H),7.28–7.23(m,2H),7.09–7.04(m,2H),7.02(d,J=8.4Hz,2H),6.94–6.90(m,2H),6.89–6.85(m,2H),3.83(s,3H),3.78(s,3H).
13C NMR(126MHz,Chloroform-d)δ188.3,159.9,156.8,154.9(q,J=3.2Hz),142.2,138.9(q,J=32.7Hz),137.4,132.3,129.7,129.6,126.1,121.8,120.7(q,J=247.4Hz),120.1,115.0,114.5,105.9,55.3.
19F NMR(471MHz,Chloroform-d)δ-59.21.
HRMS(ESI-TOF)m/z:calcd for C25H19F3N3O2S2Br+:594.0127(M+H)+,found:594.0127.
实施例16
(2Z,5E)-5-(1-((4-溴苯基)氨基)-2,2,2-三氟乙基)-3-(4-甲基苯基)-2-((4-甲基苯基)亚氨基)噻唑烷-4-硫酮的制备
将4-甲基苯异硫氰酸酯0.3mmol、((E)-3-(二甲基(氧代)-λ6-亚磺酰基)-1,1,1-三氟-N-(4-溴苯基)丙烷-2-亚胺0.1mmol、三氟甲烷亚磺酸钠0.3mmol和甲基叔丁基醚1.5mL加入到15mL的反应管中,在空气气氛下置于50℃的油浴中,反应48h;冷却至室温,反应液用乙酸乙酯稀释,水洗三次,有机相用无水Na2SO4干燥,过滤,浓缩,柱层析色谱纯化得到40.1mg的目标产物,收率为71%。
该目标产物的核磁和高分辨质谱表征如下:
1H NMR(500MHz,Chloroform-d)δ13.54(s,1H),7.49–7.45(m,2H),7.37(d,J=8.1Hz,2H),7.26–7.21(m,2H),7.13(d,J=8.0Hz,2H),7.01(d,J=8.4Hz,2H),6.87–6.83(m,2H),2.42(s,3H),2.32(s,3H).
13C NMR(126MHz,Chloroform-d)δ188.2,154.9(q,J=3.2Hz),146.5,139.5,138.9(q,J=32.8Hz),137.4,134.5,134.3,132.3,130.5,129.9,128.4,126.1,120.8(q,J=281.1Hz),120.5,120.1,106.0,21.4,21.0.
19F NMR(471MHz,Chloroform-d)δ-59.22.
HRMS(ESI-TOF)m/z:calcd for C25H19F3N3S2Br+:562.0229(M+H)+,found:562.0230.
实施例17
(2Z,5E)-5-(1-((4-溴苯基)氨基)-2,2,2-三氟乙基)-3-(4-叔丁基苯基)-2-((4-叔丁基苯基)亚氨基)噻唑烷-4-硫酮的制备
将4-叔丁基苯异硫氰酸酯0.3mmol、((E)-3-(二甲基(氧代)-λ6-亚磺酰基)-1,1,1-三氟-N-(4-溴苯基)丙烷-2-亚胺0.1mmol、三氟甲烷亚磺酸钠0.3mmol和甲基叔丁基醚1.5mL加入到15mL的反应管中,在空气气氛下置于50℃的油浴中,反应48h;冷却至室温,反应液用乙酸乙酯稀释,水洗三次,有机相用无水Na2SO4干燥,过滤,浓缩,柱层析色谱纯化得到56.8mg的目标产物,收率为88%。
该目标产物的核磁和高分辨质谱表征如下:
1H NMR(500MHz,Chloroform-d)δ13.57(s,1H),7.58–7.54(m,2H),7.49–7.45(m,2H),7.36–7.32(m,2H),7.28–7.23(m,2H),7.02(d,J=8.5Hz,2H),6.90(d,J=8.5Hz,2H),1.36(s,9H),1.30(s,9H).
13C NMR(126MHz,Chloroform-d)δ188.2,154.3,152.1,147.7,146.1,138.9(q,J=33.0Hz),137.5,134.5,132.3,128.0,126.6,126.2,126.1,120.9(q,J=281.2Hz),120.2,120.1,106.1,34.8,34.4,31.4,31.3.
19F NMR(471MHz,Chloroform-d)δ-59.21.
HRMS(ESI-TOF)m/z:calcd for C31H31F3N3S2Br+:646.1168(M+H)+,found:646.1168.
实施例18
(2Z,5E)-5-(1-((4-溴苯基)氨基)-2,2,2-三氟乙基)-3-(4-氟苯基)-2-((4-氟苯基)亚氨基)噻唑烷-4-硫酮的制备
将4-氟苯异硫氰酸酯0.3mmol、((E)-3-(二甲基(氧代)-λ6-亚磺酰基)-1,1,1-三氟-N-(4-溴苯基)丙烷-2-亚胺0.1mmol、三氟甲烷亚磺酸钠0.3mmol和甲基叔丁基醚1.5mL加入到15mL的反应管中,在空气气氛下置于50℃的油浴中,反应48h;冷却至室温,反应液用乙酸乙酯稀释,水洗三次,有机相用无水Na2SO4干燥,过滤,浓缩,柱层析色谱纯化得到37mg的目标产物,收率为65%。
该目标产物的核磁和高分辨质谱表征如下:
1H NMR(500MHz,Chloroform-d)δ13.65(s,1H),7.51–7.44(m,2H),7.34–7.29(m,2H),7.28–7.21(m,2H),7.03(tq,J=5.8,3.2Hz,4H),6.95–6.88(m,2H).
13C NMR(126MHz,Chloroform-d)δ187.8,162.7(d,J=249.9Hz),160.0(d,J=243.8Hz),155.4,144.8(q,J=2.5Hz),139.7(q,J=32.8Hz),137.0,132.7,132.4,130.7(d,J=8.9Hz),126.2,122.1(d,J=8.1Hz),120.7(q,J=281.5Hz),120.5,116.9(d,J=23.1Hz),116.2(d,J=22.6Hz),105.0.
19F NMR(471MHz,Chloroform-d)δ-59.06,-110.68,-117.96.
HRMS(ESI-TOF)m/z:calcd for C23H13F5N3S2Br+:569.9728(M+H)+,found:569.9728.
实施例19
(2Z,5E)-5-(1-((4-溴苯基)氨基)-2,2,2-三氟乙基)-3-(2-氟苯基)-2-((2-氟苯基)亚氨基)噻唑烷-4-硫酮的制备
将2-氟苯异硫氰酸酯0.3mmol、((E)-3-(二甲基(氧代)-λ6-亚磺酰基)-1,1,1-三氟-N-(4-溴苯基)丙烷-2-亚胺0.1mmol、三氟甲烷亚磺酸钠0.3mmol和甲基叔丁基醚1.5mL加入到15mL的反应管中,在空气气氛下置于50℃的油浴中,反应48h;冷却至室温,反应液用乙酸乙酯稀释,水洗三次,有机相用无水Na2SO4干燥,过滤,浓缩,柱层析色谱纯化得到27.7mg的目标产物,收率为49%。
该目标产物的核磁和高分辨质谱表征如下:
1H NMR(500MHz,Chloroform-d)δ13.68(s,1H),7.53–7.46(m,3H),7.42(td,J=7.6,7.1,1.8Hz,1H),7.37–7.33(m,1H),7.33–7.27(m,1H),7.13–7.07(m,3H),7.05(d,J=8.4Hz,2H),6.99(dtd,J=8.4,4.4,1.6Hz,1H).
13C NMR(126MHz,Chloroform-d)δ187.2,157.8(d,J=253.1Hz),156.0,153.4(d,J=247.1Hz),140.0(q,J=32.9Hz),136.8,136.5(d,J=12.5Hz),132.4,131.7(d,J=7.8Hz),130.7,126.5,125.9(d,J=7.2Hz),125.1(d,J=3.9Hz),124.6(q,J=3.8Hz),124.4(d,J=13.0Hz),122.6,120.7,120.6(q,J=281.2Hz),117.1(d,J=19.2Hz),116.5(d,J=19.6Hz),104.8.
19F NMR(471MHz,Chloroform-d)δ-59.01,-119.11,-124.92.
HRMS(ESI-TOF)m/z:calcd for C23H13F5N3S2Br+:569.9728(M+H)+,found:569.9728.
实施例20
(2Z,5E)-5-(1-((4-溴苯基)氨基)-2,2,2-三氟乙基)-3-(2-甲氧基苯基)-2-((2-甲氧基苯基)亚氨基)噻唑烷-4-硫酮的制备
将2-甲氧基苯异硫氰酸酯0.3mmol、((E)-3-(二甲基(氧代)-λ6-亚磺酰基)-1,1,1-三氟-N-(4-溴苯基)丙烷-2-亚胺0.1mmol、三氟甲烷亚磺酸钠0.3mmol和甲基叔丁基醚1.5mL加入到15mL的反应管中,在空气气氛下置于50℃的油浴中,反应48h;冷却至室温,反应液用乙酸乙酯稀释,水洗三次,有机相用无水Na2SO4干燥,过滤,浓缩,柱层析色谱纯化得到29.7mg的目标产物,收率为50%。
该目标产物的核磁和高分辨质谱表征如下:
1H NMR(500MHz,Chloroform-d)δ13.52(s,1H),7.50–7.43(m,3H),7.33(dd,J=7.7,1.8Hz,1H),7.16–7.06(m,3H),7.02(d,J=8.2Hz,2H),6.95–6.86(m,3H),3.89(s,3H),3.77(s,3H).
13C NMR(126MHz,Chloroform-d)δ188.1,155.2,155.0,150.4,138.6(q,J=32.9Hz),138.6,137.5,132.2,131.1,130.0,126.1,125.7,125.5,121.4,121.4,121.1,120.9(q,J=281.3Hz),120.0,112.9,112.4,106.4,56.0,55.8.
19F NMR(471MHz,Chloroform-d)δ-59.25.
HRMS(ESI-TOF)m/z:calcd for C25H19F3N3O2S2Br+:594.0127(M+H)+,found:594.0127.
实施例21
(2Z,5E)-5-(1-((4-溴苯基)氨基)-2,2,2-三氟乙基)-3-(3-甲氧基苯基)-2-((3-甲氧基苯基)亚氨基)噻唑烷-4-硫酮的制备
将3-甲氧基苯异硫氰酸酯0.3mmol、((E)-3-(二甲基(氧代)-λ6-亚磺酰基)-1,1,1-三氟-N-(4-溴苯基)丙烷-2-亚胺0.1mmol、三氟甲烷亚磺酸钠0.3mmol和甲基叔丁基醚1.5mL加入到15mL的反应管中,在空气气氛下置于50℃的油浴中,反应48h;冷却至室温,反应液用乙酸乙酯稀释,水洗三次,有机相用无水Na2SO4干燥,过滤,浓缩,柱层析色谱纯化得到38mg的目标产物,收率为64%。
该目标产物的核磁和高分辨质谱表征如下:
1H NMR(500MHz,Chloroform-d)δ13.60(s,1H),7.49(t,J=8.3Hz,3H),7.25–7.22(m,1H),7.03(dd,J=9.7,3.8Hz,3H),6.96–6.92(m,1H),6.88(t,J=2.2Hz,1H),6.68(dd,J=8.1,2.3Hz,1H),6.57(dd,J=7.6,1.4Hz,1H),6.50(t,J=2.2Hz,1H),3.84(s,3H),3.79(s,3H).
13C NMR(126MHz,Chloroform-d)δ188.0,160.6,160.5,155.0(q,J=2.0Hz),139.3(q,J=32.7Hz),138.1,137.3,132.3,130.4,130.2,126.2,120.8(q,J=281.1Hz),120.8,115.1,114.6,112.7,110.7,106.4,105.7,55.4,55.3.
19F NMR(471MHz,Chloroform-d)δ-59.17.
HRMS(ESI-TOF)m/z:calcd for C25H19F3N3O2S2Br+:594.0127(M+H)+,found:594.0127.
以上所述,仅为本发明的较佳实施例而已,故不能依此限定本发明实施的范围,即依本发明专利范围及说明书内容所作的等效变化与修饰,皆应仍属本发明涵盖的范围内。
Claims (10)
1.一种噻唑烷-4-硫酮衍生物的制备方法,其特征在于:包括如下步骤:
(1)将异硫氰酸酯或其衍生物、硫叶立德、添加剂和有机溶剂混合后,在空气气氛下,于20-90℃反应12-48h;
(2)将步骤(1)所得的物料经乙酸乙酯稀释和水洗后,分离得有机相;
(3)将上述有机相依次经干燥、过滤、浓缩和柱层析色谱或薄层色谱,得到噻唑烷-4-硫酮衍生物;
上述异硫氰酸酯或其衍生物的结构式为其中,R为氢、烷基、烷氧基、卤素、三氟甲基、苄氧基、N,N-二烷基或S-烷基;
上述硫叶立德的结构式为其中R1为氢、烷基、烷氧基、三氟甲基、卤素、硝基或氰基,R2为氢、卤素、三氟甲基或五氟乙基。
2.如权利要求1所述的制备方法,其特征在于:所述卤素为氟、氯或溴。
3.如权利要求2所述的制备方法,其特征在于:所述硫叶立德选自(E)-3-(二甲基(氧代)-λ6-亚磺酰基)-1,1,1-三氟-N-(4-甲氧基苯基)丙烷-2-亚胺、(E)-3-(二甲基(氧代)-λ6-亚磺酰基)-1,1,1-三氟-N-(4-甲基苯基)丙烷-2-亚胺、(E)-3-(二甲基(氧代)-λ6-亚磺酰基)-1,1,1-三氟-N-(4-氟苯基)丙烷-2-亚胺、(E)-3-(二甲基(氧代)-λ6-亚磺酰基)-1,1,1-三氟-N-(4-氯苯基)丙烷-2-亚胺、(E)-3-(二甲基(氧代)-λ6-亚磺酰基)-1,1,1-三氟-N-(4-溴苯基)丙烷-2-亚胺、(E)-3-(二甲基(氧代)-λ6-亚磺酰基)-1,1,1-三氟-N-(4-三氟甲基苯基)丙烷-2-亚胺、(E)-3-(二甲基(氧代)-λ6-亚磺酰基)-1,1,1-三氟-N-(4-硝基苯基)丙烷-2-亚胺、(E)-3-(二甲基(氧代)-λ6-亚磺酰基)-1,1,1-三氟-N-(2-甲氧基苯基)丙烷-2-亚胺、(E)-3-(二甲基(氧代)-λ6-亚磺酰基)-1,1,1-三氟-N-(2-溴苯基)丙烷-2-亚胺、(E)-3-(二甲基(氧代)-λ6-亚磺酰基)-1,1,1-三氟-N-(3-甲氧基苯基)丙烷-2-亚胺、(E)-3-(二甲基(氧代)-λ6-亚磺酰基)-1,1,1-三氟-N-(3-三氟甲基苯基)丙烷-2-亚胺、(E)-3-(二甲基(氧代)-λ6-亚磺酰基)-1,1-二氟-N-苯基丙烷-2-亚胺、(E)-3-(二甲基(氧代)-λ6-亚磺酰基)-3,3,4,4,4-五氟-N-苯基丁烷-2-亚胺和(E)-3-(二甲基(氧代)-λ6-亚磺酰基)-3,3,4,4,5,5,5-七氟-N-苯基戊烷-2-亚胺。
4.如权利要求1所述的制备方法,其特征在于:所述添加剂选自三氟甲基磺酸钠、三氟甲基磺酸钾、对甲苯磺酸钠、甲基磺酸钠、硫酸钠、亚硫酸氢钠、亚硫酸钠、焦亚硫酸钠、硫代硫酸钠、五水硫代硫酸钠、连二亚硫酸钠、过硫酸钠、氨基磺酸钠、甲酸钠、二氟氯乙酸钠、氯化钠、溴化钠、碘化钠、高碘酸钠、三氟甲基亚磺酸钠、木质素磺酸钠、苯亚磺酸钠、亚硝酸钠和三甲基醋酸钠。
5.如权利要求4所述的制备方法,其特征在于:所述添加剂为三氟甲基亚磺酸钠。
6.如权利要求1所述的制备方法,其特征在于:所述有机溶剂为乙醇、叔丁醇、乙醚、乙二醇二甲醚、二甲基亚砜、N,N-二甲基甲酰胺、N-甲基-2-吡咯烷酮、1,2-二氯乙烷、甲苯、1,4-二氧六环、四氢呋喃、六氟异丙醇、甲基叔丁基醚或乙腈。
7.如权利要求6所述的制备方法,其特征在于:所述有机溶剂为甲基叔丁基醚。
8.如权利要求1所述的制备方法,其特征在于:所述异硫氰酸酯或其衍生物为苯异硫氰酸酯、4-甲氧基苯异硫氰酸酯、4-甲基苯异硫氰酸酯、4-叔丁基苯异硫氰酸酯、4-氟苯异硫氰酸酯、2-氟苯异硫氰酸酯、2-甲氧基苯异硫氰酸酯或3-甲氧基苯异硫氰酸酯。
9.如权利要求1所述的制备方法,其特征在于:所述有机溶剂为甲基叔丁基醚,所述添加剂为三氟甲基亚磺酸钠,所述有机溶剂为甲基叔丁基醚。
10.如权利要求1至9中任一权利要求所述的制备方法,其特征在于:所述异硫氰酸酯或其衍生物、硫叶立德以及添加剂的摩尔比为1-4:1:0-4,且每0.01mmol硫叶立德对应所述有机溶剂0.1-2mL。
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