CN113968802A - 环烯烃的氯化三氟甲基化合物的合成方法 - Google Patents
环烯烃的氯化三氟甲基化合物的合成方法 Download PDFInfo
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- -1 chlorinated trifluoromethyl compound Chemical class 0.000 title claims abstract description 79
- 238000001308 synthesis method Methods 0.000 title claims abstract description 6
- 238000006243 chemical reaction Methods 0.000 claims abstract description 41
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims abstract description 33
- 150000001875 compounds Chemical class 0.000 claims abstract description 32
- JIVLDFFWTQYGSR-UHFFFAOYSA-N 4,7-dimethyl-[1,10]phenanthroline Chemical compound C1=CC2=C(C)C=CN=C2C2=C1C(C)=CC=N2 JIVLDFFWTQYGSR-UHFFFAOYSA-N 0.000 claims abstract description 19
- AFYPFACVUDMOHA-UHFFFAOYSA-N chlorotrifluoromethane Chemical compound FC(F)(F)Cl AFYPFACVUDMOHA-UHFFFAOYSA-N 0.000 claims abstract description 11
- JPVYNHNXODAKFH-UHFFFAOYSA-N Cu2+ Chemical compound [Cu+2] JPVYNHNXODAKFH-UHFFFAOYSA-N 0.000 claims abstract description 8
- 229910001431 copper ion Inorganic materials 0.000 claims abstract description 8
- 239000003960 organic solvent Substances 0.000 claims abstract description 6
- 238000003756 stirring Methods 0.000 claims abstract description 6
- 239000010949 copper Substances 0.000 claims abstract description 5
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 52
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 claims description 28
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical compound ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 claims description 15
- 229910021591 Copper(I) chloride Inorganic materials 0.000 claims description 15
- OXBLHERUFWYNTN-UHFFFAOYSA-M copper(I) chloride Chemical compound [Cu]Cl OXBLHERUFWYNTN-UHFFFAOYSA-M 0.000 claims description 15
- 239000000203 mixture Substances 0.000 claims description 15
- 238000000034 method Methods 0.000 claims description 14
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims description 11
- 230000002194 synthesizing effect Effects 0.000 claims description 9
- 125000004204 2-methoxyphenyl group Chemical group [H]C1=C([H])C(*)=C(OC([H])([H])[H])C([H])=C1[H] 0.000 claims description 6
- 239000003208 petroleum Substances 0.000 claims description 6
- 125000001255 4-fluorophenyl group Chemical group [H]C1=C([H])C(*)=C([H])C([H])=C1F 0.000 claims description 5
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 claims description 5
- 238000004440 column chromatography Methods 0.000 claims description 5
- 238000000746 purification Methods 0.000 claims description 5
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 claims description 4
- 125000000956 methoxy group Chemical group [H]C([H])([H])O* 0.000 claims description 4
- 125000004207 3-methoxyphenyl group Chemical group [H]C1=C([H])C(*)=C([H])C(OC([H])([H])[H])=C1[H] 0.000 claims description 3
- 125000002915 carbonyl group Chemical group [*:2]C([*:1])=O 0.000 claims description 3
- 125000004185 ester group Chemical group 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 125000001037 p-tolyl group Chemical group [H]C1=C([H])C(=C([H])C([H])=C1*)C([H])([H])[H] 0.000 claims description 3
- 239000000758 substrate Substances 0.000 claims description 3
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 2
- 229910052786 argon Inorganic materials 0.000 claims description 2
- 239000003795 chemical substances by application Substances 0.000 claims description 2
- 238000001816 cooling Methods 0.000 claims description 2
- 229910052736 halogen Inorganic materials 0.000 claims description 2
- 150000002367 halogens Chemical class 0.000 claims description 2
- 230000007935 neutral effect Effects 0.000 claims description 2
- 125000003854 p-chlorophenyl group Chemical group [H]C1=C([H])C(*)=C([H])C([H])=C1Cl 0.000 claims description 2
- 238000000926 separation method Methods 0.000 claims description 2
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 claims 3
- 229940121363 anti-inflammatory agent Drugs 0.000 claims 2
- 239000002260 anti-inflammatory agent Substances 0.000 claims 2
- 150000003839 salts Chemical class 0.000 claims 2
- XHEOXSQMBWJOKP-UHFFFAOYSA-N 1-(trifluoromethyl)-1$l^{3},2-benziodoxol-3-one Chemical compound C1=CC=C2I(C(F)(F)F)OC(=O)C2=C1 XHEOXSQMBWJOKP-UHFFFAOYSA-N 0.000 claims 1
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 claims 1
- 229910021589 Copper(I) bromide Inorganic materials 0.000 claims 1
- 229910021595 Copper(I) iodide Inorganic materials 0.000 claims 1
- ZLBGFKIIXHHCKW-UHFFFAOYSA-N O=S(NC1=C(CCC2=CCCCC2)C=C(C(F)(F)F)C=C1)=O Chemical compound O=S(NC1=C(CCC2=CCCCC2)C=C(C(F)(F)F)C=C1)=O ZLBGFKIIXHHCKW-UHFFFAOYSA-N 0.000 claims 1
- 125000001309 chloro group Chemical group Cl* 0.000 claims 1
- 229960001701 chloroform Drugs 0.000 claims 1
- 150000002148 esters Chemical group 0.000 claims 1
- 125000001153 fluoro group Chemical group F* 0.000 claims 1
- 239000012535 impurity Substances 0.000 claims 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims 1
- 238000010926 purge Methods 0.000 claims 1
- 239000012453 solvate Substances 0.000 claims 1
- 239000002994 raw material Substances 0.000 abstract description 16
- 150000001336 alkenes Chemical class 0.000 abstract description 15
- 238000010438 heat treatment Methods 0.000 abstract description 14
- 238000006692 trifluoromethylation reaction Methods 0.000 abstract description 10
- 230000001588 bifunctional effect Effects 0.000 abstract description 6
- 125000002023 trifluoromethyl group Chemical group FC(F)(F)* 0.000 abstract description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 abstract description 3
- 229910052802 copper Inorganic materials 0.000 abstract description 3
- 239000003446 ligand Substances 0.000 abstract description 2
- 229910052751 metal Inorganic materials 0.000 abstract description 2
- 239000002184 metal Substances 0.000 abstract description 2
- 150000002739 metals Chemical class 0.000 abstract description 2
- 239000007800 oxidant agent Substances 0.000 abstract description 2
- 231100000331 toxic Toxicity 0.000 abstract description 2
- 230000002588 toxic effect Effects 0.000 abstract description 2
- 239000003153 chemical reaction reagent Substances 0.000 abstract 1
- HEDRZPFGACZZDS-MICDWDOJSA-N Trichloro(2H)methane Chemical compound [2H]C(Cl)(Cl)Cl HEDRZPFGACZZDS-MICDWDOJSA-N 0.000 description 36
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 27
- 235000019439 ethyl acetate Nutrition 0.000 description 24
- VLKZOEOYAKHREP-UHFFFAOYSA-N n-Hexane Chemical class CCCCCC VLKZOEOYAKHREP-UHFFFAOYSA-N 0.000 description 24
- 239000000047 product Substances 0.000 description 15
- HVAPLSNCVYXFDQ-UHFFFAOYSA-N 3,3-dimethyl-1-(trifluoromethyl)-1$l^{3},2-benziodoxole Chemical compound C1=CC=C2C(C)(C)OI(C(F)(F)F)C2=C1 HVAPLSNCVYXFDQ-UHFFFAOYSA-N 0.000 description 13
- 229910052782 aluminium Inorganic materials 0.000 description 13
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 13
- 239000012300 argon atmosphere Substances 0.000 description 13
- 239000002904 solvent Substances 0.000 description 13
- 238000001644 13C nuclear magnetic resonance spectroscopy Methods 0.000 description 12
- 238000004293 19F NMR spectroscopy Methods 0.000 description 12
- 238000005160 1H NMR spectroscopy Methods 0.000 description 12
- 238000002360 preparation method Methods 0.000 description 12
- 239000011541 reaction mixture Substances 0.000 description 12
- 239000000377 silicon dioxide Substances 0.000 description 12
- 239000007787 solid Substances 0.000 description 12
- 238000001035 drying Methods 0.000 description 11
- 238000010898 silica gel chromatography Methods 0.000 description 10
- 239000007858 starting material Substances 0.000 description 7
- 238000006555 catalytic reaction Methods 0.000 description 3
- 239000000460 chlorine Substances 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- 238000007363 ring formation reaction Methods 0.000 description 3
- 239000000741 silica gel Substances 0.000 description 3
- 229910002027 silica gel Inorganic materials 0.000 description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 230000003197 catalytic effect Effects 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 229910052731 fluorine Inorganic materials 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 125000005842 heteroatom Chemical group 0.000 description 2
- WKBOTKDWSSQWDR-UHFFFAOYSA-N Bromine atom Chemical compound [Br] WKBOTKDWSSQWDR-UHFFFAOYSA-N 0.000 description 1
- 238000007259 addition reaction Methods 0.000 description 1
- 229910000147 aluminium phosphate Inorganic materials 0.000 description 1
- 150000004945 aromatic hydrocarbons Chemical class 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 150000008366 benzophenones Chemical class 0.000 description 1
- 230000004071 biological effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- GDTBXPJZTBHREO-UHFFFAOYSA-N bromine Substances BrBr GDTBXPJZTBHREO-UHFFFAOYSA-N 0.000 description 1
- 229910052794 bromium Inorganic materials 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 238000005660 chlorination reaction Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- SRCZQMGIVIYBBJ-UHFFFAOYSA-N ethoxyethane;ethyl acetate Chemical compound CCOCC.CCOC(C)=O SRCZQMGIVIYBBJ-UHFFFAOYSA-N 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 1
- 239000008204 material by function Substances 0.000 description 1
- 230000002503 metabolic effect Effects 0.000 description 1
- GRVDJDISBSALJP-UHFFFAOYSA-N methyloxidanyl Chemical class [O]C GRVDJDISBSALJP-UHFFFAOYSA-N 0.000 description 1
- HXLNCXVMUAFUAJ-UHFFFAOYSA-N n-[2-(cyclohexen-1-yl)ethyl]benzenesulfonamide Chemical compound C=1C=CC=CC=1S(=O)(=O)NCCC1=CCCCC1 HXLNCXVMUAFUAJ-UHFFFAOYSA-N 0.000 description 1
- 125000001624 naphthyl group Chemical group 0.000 description 1
- 229930014626 natural product Natural products 0.000 description 1
- 238000005580 one pot reaction Methods 0.000 description 1
- 150000002894 organic compounds Chemical class 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 238000007254 oxidation reaction Methods 0.000 description 1
- 230000001699 photocatalysis Effects 0.000 description 1
- 239000011941 photocatalyst Substances 0.000 description 1
- 239000003504 photosensitizing agent Substances 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- XGPOMXSYOKFBHS-UHFFFAOYSA-M sodium;trifluoromethanesulfonate Chemical compound [Na+].[O-]S(=O)(=O)C(F)(F)F XGPOMXSYOKFBHS-UHFFFAOYSA-M 0.000 description 1
- 150000003413 spiro compounds Chemical class 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 125000001424 substituent group Chemical group 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000010189 synthetic method Methods 0.000 description 1
- 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 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C303/00—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides
- C07C303/36—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides of amides of sulfonic acids
- C07C303/40—Preparation of esters or amides of sulfuric acids; Preparation of sulfonic acids or of their esters, halides, anhydrides or amides of amides of sulfonic acids by reactions not involving the formation of sulfonamide groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B39/00—Halogenation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B47/00—Formation or introduction of functional groups not provided for in groups C07B39/00 - C07B45/00
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2601/00—Systems containing only non-condensed rings
- C07C2601/06—Systems containing only non-condensed rings with a five-membered ring
- C07C2601/08—Systems containing only non-condensed rings with a five-membered ring the ring being saturated
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2601/00—Systems containing only non-condensed rings
- C07C2601/12—Systems containing only non-condensed rings with a six-membered ring
- C07C2601/14—The ring being saturated
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
Abstract
本发明公开了环状烯烃的氯化三氟甲基化合物的合成方法,通过一价铜或二价铜离子催化,4,7‑二甲基‑1,10‑菲啰啉为配体,Tongi试剂为三氟甲基源,在一定温度下,通式I化合物在有机溶剂中搅拌反应得到目标产物;本发明通过简单的烯烃三氟甲基化的策略得到烯烃双官能团化目标产物,该反应中原料通过设计,两步到三步合成,并且此反应通过简单的加热,避免贵重、有毒金属以及强氧化剂的使用,较有效地得到多种烯烃氯化三氟甲基化合物。
Description
技术领域
本发明属于化学合成领域,具体涉及环状烯烃的三氟甲基化双官能团化合物的合成方法。
背景技术
含有三氟甲基结构的化合物广泛存在于药物化学,功能材料和天然产物中。并且,根据研究,三氟甲基结构单元的独特物理、化学性质会致使含氟有机化合物的亲脂性、结合选择性和代谢稳定性显着增强,同时生物活性也会有所改善。从烯烃直接构建新的C-CF3键无疑是一种直接、简约的方法。迄今为止,关于烯烃三氟甲基化双官能团化的报道有很多,但利用过渡金属催化实现烯烃氯化三氟甲基化的报道很少。其中具有代表性的方法有:
(1)光助有机催化和可见光光催化氧化实现了烯烃和(杂)芳烃的三氟甲基化。三氟甲磺酸钠作为CF3源和易于获得的二苯甲酮衍生物作为光敏剂,在可见光照射下使用铱基光催化剂进行烯烃和(杂)芳烃的三氟甲基化,产率为61%(参见Chem. Commun., 2016, 52, 2493-2496)。
(2)2016年,杨志刚课题组发表了铜催化的烯烃分子间氯代或溴代三氟甲基化的文章,通过铜催化剂,各种烯烃直接生成含氯或溴的三氟甲基衍生物,产率97%(参见Org. Lett. 2016, 18, 348−351)。
(3)烯烃的直接不对称自由基胺基三氟甲基化的双催化策略。通过引入Cu(I)/手性磷酸双催化体系可直接获得具有优异对映选择性含CF3的氮杂杂环,产率为98%(参见J. Am. Chem. Soc. 2016, 30, 9357-9360)。
上述合成方法普遍存在以下缺陷和不足:
1)大部分烯烃都是直链烯烃或需要预官能团化,然后多数在光或铜的催化下发生三氟甲基化双官能团化反应,因此反应过程十分繁琐复杂,也不高效;
2)副反应较多,副产物无用途;
3)基本关于烯烃三氟甲基化串联环化的报道非常少,那么利用烯烃三氟甲基化构建氯化双官能团化的报道更少。
因此,有必要对现有利用烯烃三氟甲基化实现双官能团化的方法进行改进。
发明内容
为了解决以上问题,本发明的目的在于提供温和条件下烯烃的三氟甲基加成反应和串联环化合成螺环化合物的方法。
(1)
为实现上述发明目的,本发明提供如下技术方案:
1、环状烯烃的氯化三氟甲基化合物的合成方法,将通式(1)所示化合物I、二价或一价的铜离子、4,7-二甲基-1,10-菲啰啉加入封管中,然后加入有机溶剂,氩气保护。100-120℃搅拌反应22-36小时,冷却,分离纯化,获得产物;
R1无取代基或者为甲基、甲氧基、卤素、羰基、酯基、 萘基;
R2为五元环状烯烃、六元环状烯烃、七元环状烯烃、六元环状烯烃上对位有甲基底物;
优选的,R1为4位取代的甲氧基、酯基、甲基、氟或氯;R2为六元环状烯烃上有甲基、六元环状烯烃上有甲基;
优选的,通式I所示化合物为N-(2-(环己-1-烯-1-基)乙基)-N-苯基-4-(三氟甲基)苯磺酰胺、N-(2-(环戊-1-烯-1-基)乙基)-N-苯基-4-(三氟甲基)苯磺酰胺、N-(2-(环庚-1-烯-1-基)乙基)-N-苯基-4-(三氟甲基)苯磺酰胺、N-(2-(4-甲基环己-1-烯-1-基)乙基)-N-苯基-4-(三氟甲基)苯磺酰胺、N-(2-(环己-1-烯-1-基)乙基)-N-(2-甲氧基苯基)-4-(三氟甲基)苯磺酰胺、N-(2-(环己-1-烯-1-基)乙基)-N-(4-甲氧基苯基)-4-(三氟甲基)苯磺酰胺、N-(2-(环己-1-烯-1-基)乙基)-N-(4-氟苯基)-4-(三氟甲基)苯磺酰胺;
通式Ⅲ所示化合物为N-(2-(1-氯-2-(三氟甲基)环己基)乙基)-N-苯基-4-(三氟甲基)苯磺酰胺、N-(2-(1-氯-2-(三氟甲基)环戊基)乙基)-N-苯基-4-(三氟甲基)苯磺酰胺、N-(2-(1-氯-2-(三氟甲基)环庚基)乙基)-N-苯基-4-(三氟甲基)苯磺酰胺、N-(2-(1-氯-4-甲基-2-(三氟甲基)环己基)乙基)-N-苯基-4-(三氟甲基)苯磺酰胺、N-(2-(1-氯-2-(三氟甲基)环己基)乙基)-N-(2-甲氧基苯基)-4-(三氟甲基)苯磺酰胺、N-(2-(1-氯-2-(三氟甲基)环己基)乙基)-N-(4-甲氧基苯基)-4-(三氟甲基)苯磺酰胺、N-(2-(1-氯-2-(三氟甲基)环己基)乙基)-N-(4-氟苯基)-4-(三氟甲基)苯磺酰胺中的一种。
优选的,所述一价铜离子由化合物CuI、CuCl提供;
通式I和II所述化合物反应时所用有机溶剂为1,2-二氯乙烷。
优选的,所述反应条件为110 oC搅拌反应。
优选的,通式II化合物过量。
优选的,通式I所示化合物与通式II所示化合物的摩尔比为0.1 : 0.18。
优选的,通式II所示化合物与4,7-二甲基-1,10-菲啰啉、一价或二价铜离子的摩尔比为0.18 : 0.03 : 0.01。
优选的,所述分离纯化具体包括:冷却后的反应液用中性氧化铝柱层析进行纯化,纯化时所用展开剂为石油醚和乙酸乙酯按体积比100 : 1~50 : 1混合而成。
本发明的有益效果在于:本发明通过以通式I、II化合物为原料,以一价或二价的铜离子为催化剂,4,7-二甲基-1,10-菲啰啉为配体,于一定温度下在有机溶剂中搅拌反应得到目标产物。本发明采用一锅法即可完成,原料简单易得,反应条件温和,易于控制,避免贵重或有毒金属和强氧化剂的使用,较有效地得到多种烯烃氯化三氟甲基化合物。
具体实施方式
下面对本发明的优选实施例进行详细的描述。实施例中未注明具体条件的实验方法,通常按照常规条件或按照制造厂商所建议的条件。
向具有氩气氛的经火焰干燥的密封管中,添加CuCl(0.99 mg,0.01 mmol,0.1eq.),4,7-二甲基-1,10-菲咯啉(6.25 mg,0.03 mmol,0.3 eq.),Togni试剂(56.88 mg,0.18 mmol,1.8 eq.)和原料Ⅰ-1-Ⅰ-12(0.1 mmol,1.0 eq.),然后加入2.0 mL 1,2-二氯乙烷干燥溶剂以溶解混合物。 将其在铝加热条件下在110 ℃下搅拌。 反应将在20-24小时内完成,然后冷却至室温。 该反应将通过TLC监测。 将反应混合物直接通过硅胶柱色谱法(石油醚/ EtOAc)纯化,得到产物Ⅲ-1-Ⅲ-12。
实施例1、N-(2-(1-氯-2-(三氟甲基)环己基)乙基)-N-苯基-4-(三氟甲基)苯磺酰胺(化合物III-1)的制备
向具有氩气氛的经火焰干燥的密封管中,添加CuCl(0.99 mg,0.01 mmol,0.1eq.),4,7-二甲基-1,10-菲啰啉(6.25 mg,0.03 mmol,0.3 eq.),Togni试剂(56.9 mg,0.18mmol,1.8 eq.)和原料Ⅰ-1(40.95 mg, 0.1 mmol,1.0 eq.),然后加入2.0 mL 1,2-二氯乙烷干燥溶剂以溶解混合物。将其在铝加热条件下在110 ℃下搅拌。反应将在20-24小时内完成,然后冷却至室温。该反应将通过TLC监测。将反应混合物直接通过硅胶柱色谱法(石油醚/ EtOAc)纯化,得到产物白色固体Ⅲ-1(37.1 mg, 84%,起始原料回收:4.0 mg)。 R f =0.38(二氧化硅,己烷∶EtOAc,15∶1); 1H NMR (600 MHz, Chloroform-d) δ 7.80 – 7.66(m, 4H), 7.40 – 7.29 (m, 3H), 7.12 – 6.98 (m, 2H), 3.92 (ddd, J = 13.0, 10.8,5.1 Hz, 1H), 3.78 (ddd, J = 13.1, 10.6, 4.7 Hz, 1H), 2.55 (pd, J = 9.2, 4.3Hz, 1H), 2.23 (ddd, J = 15.4, 10.6, 5.2 Hz, 1H), 2.13 (ddd, J = 15.0, 10.9,4.6 Hz, 1H), 2.04 (dddd, J = 21.4, 17.0, 7.5, 4.2 Hz, 1H), 1.80 (ddd, J =13.9, 8.7, 3.8 Hz, 1H), 1.72 (qd, J = 13.1, 10.6, 5.8 Hz, 2H), 1.67 – 1.49(m, 2H), 1.44 (dddd, J = 16.5, 13.4, 8.4, 3.9 Hz, 2H); 13C NMR (151 MHz,Chloroform-d) δ 142.0, 138.7, 134.6 (q, J = 33.1 Hz), 129.6, 128.8, 128.6,126.5 (q, J = 280.9 Hz), 128.3, 126.2 (q, J = 3.8 Hz), 123.4 (q, J = 273.2Hz), 70.8, 51.5 (q, J = 25.0 Hz), 47.4, 39.0, 36.8, 23.4, 22.5, 22.4; 19F NMR(565 MHz, Chloroform-d) δ -62.44, -63.07; HRMS (ESI): calcd for C22H23ClF6NO2S+[M+H+]:514.1023, found 514.1033.
实施例2、N-(2-(1-氯-2-(三氟甲基)环戊基)乙基)-N-苯基-4-(三氟甲基)苯磺酰胺(化合物III-2)的制备
向具有氩气氛的经火焰干燥的密封管中,添加CuCl(0.99 mg,0.01 mmol,0.1eq.),4,7-二甲基-1,10-菲啰啉(6.25 mg,0.03 mmol,0.3 eq.),Togni试剂(56.9 mg,0.18mmol,1.8 eq.)和原料Ⅰ-2(39.54 mg, 0.1 mmol,1.0 eq.),然后加入2.0 mL 1,2-二氯乙烷干燥溶剂以溶解混合物。将其在铝加热条件下在110℃下搅拌。反应将在20-24小时内完成,然后冷却至室温。该反应将通过TLC监测。将反应混合物直接通过硅胶柱色谱法(石油醚/ EtOAc)纯化,得到产物但黄色油状固体Ⅲ-2((29.0 mg, 58%)。 R f = 0.34(二氧化硅,己烷∶EtOAc,15∶1); 1H NMR (400 MHz, Chloroform-d) δ 7.73 (s, 4H), 7.35 (dd,J = 5.0, 1.9 Hz, 3H), 7.09 – 7.05 (m, 2H), 3.94 (ddd, J = 13.2, 10.6, 5.3 Hz,1H), 3.84 (ddd, J = 13.2, 10.1, 4.8 Hz, 1H), 2.95 (tdd, J = 14.3, 7.6, 5.3Hz, 1H), 2.27 (dddd, J = 17.2, 11.3, 6.1, 2.7 Hz, 2H), 2.20 – 2.07 (m, 2H),2.05 – 1.76 (m, 4H); 13C NMR (101 MHz, Chloroform-d) δ 141.9, 138.7, 134.6 (q,J = 33.0 Hz), 129.6, 128.8, 128.7, 128.3, 126.4 (q, J = 280.8 Hz), 126.2 (q,J = 3.8 Hz), 123.4 (q, J = 273.7 Hz), 56.0 (q, J = 25.8 Hz), 48.6, 41.4,37.5, 37.5, 24.8 (q, J = 2.5 Hz), 21.7; 19F NMR (565 MHz, Chloroform-d) δ -62.44, -63.07; HRMS (ESI): calcd for C21H21ClF6NO2S+ [M+H+]:500.0880, found500.0877.
实施例3、N-(2-(1-氯-2-(三氟甲基)环庚基)乙基)-N-苯基-4-(三氟甲基)苯磺酰胺(化合物III-3)的制备
向具有氩气氛的经火焰干燥的密封管中,添加CuCl(0.99 mg,0.01 mmol,0.1eq.),4,7-二甲基-1,10-菲啰啉(6.25 mg,0.03 mmol,0.3 eq.),Togni试剂(56.9 mg,0.18mmol,1.8 eq.)和原料Ⅰ-3(42.35 mg, 0.1 mmol, 1.0 eq.),然后加入2.0 mL 1,2-二氯乙烷干燥溶剂以溶解混合物。将其在铝加热条件下在110 ℃下搅拌。反应将在20-24小时内完成,然后冷却至室温。该反应将通过TLC监测。将反应混合物直接通过硅胶柱色谱法(石油醚/ EtOAc)纯化,得到产物白色固体Ⅲ-3(33.8 mg, 64%)。R f = 0.31(二氧化硅,己烷∶EtOAc,15∶1); 1H NMR (400 MHz, Chloroform-d) δ 7.78 – 7.67 (m, 4H), 7.35 (dt,J = 4.8, 2.0 Hz, 3H), 7.09 – 6.99 (m, 2H), 3.92 (ddd, J = 13.2, 10.9, 5.6 Hz,1H), 3.83 – 3.68 (m, 1H), 2.84 – 2.70 (m, 1H), 2.28 (dd, J = 15.2, 8.7 Hz,1H), 2.21 – 2.09 (m, 1H), 2.08 – 1.93 (m, 2H), 1.93 – 1.69 (m, 3H), 1.69 –1.59 (m, 1H), 1.47 – 1.28 (m, 2H); 13C NMR (151 MHz, Chloroform-d) δ 142.2,138.7, 134.9, 134.5 (q, J = 33.1 Hz), 129.6, 128.8, 127.4 (q, J = 282.4 Hz),128.3, 126.2 (q, J = 3.7 Hz), 123.4 (q, J = 273.3 Hz), 73.17, 71.32, 56.78(q, J = 24.1 Hz), 54.63 (q, J = 24.1 Hz), 47.55, 42.96, 41.98, 40.22, 38.09,29.76, 29.28, 28.70, 28.40, 24.57 (q, J = 2.4 Hz), 23.35(q, J=2.4 Hz), 21.93;19F NMR (565 MHz, Chloroform-d) δ -63.07, -65.26; HRMS (ESI): calcd forC23H25ClF6NO2S+ [M+H+]:528.1193, found 528.1192.
实施例4、N-(2-(1-氯-4-甲基-2-(三氟甲基)环己基)乙基)-N-苯基-4-(三氟甲基)苯磺酰胺(化合物III-4)的制备
向具有氩气氛的经火焰干燥的密封管中,添加CuCl(0.99 mg,0.01 mmol,0.1eq.),4,7-二甲基-1,10-菲啰啉(6.25 mg,0.03 mmol,0.3 eq.),Togni试剂(56.9 mg,0.18mmol,1.8 eq.)和原料Ⅰ-4(42.35 mg, 0.1 mmol, 1.0 eq.),然后加入2.0 mL 1,2-二氯乙烷干燥溶剂以溶解混合物。将其在铝加热条件下在110 ℃下搅拌。反应将在20-24小时内完成,然后冷却至室温。该反应将通过TLC监测。将反应混合物直接通过硅胶柱色谱法(石油醚/ EtOAc)纯化,得到产物米色固体Ⅲ-4(39.3 mg, 75%)。R f = 0.39(二氧化硅,己烷∶EtOAc,15∶1); 1H NMR (600 MHz, Chloroform-d) δ 7.73 (s, 4H), 7.34 (hept, J =4.3 Hz, 3H), 7.10 – 7.00 (m, 2H), 4.01 (ddd, J = 13.1, 10.5, 5.3 Hz, 1H),3.82 (ddd, J = 13.1, 10.4, 5.0 Hz, 1H), 2.59 (dq, J = 15.3, 6.5, 5.4 Hz, 1H),2.24 – 1.98 (m, 2H), 1.87 (dt, J = 11.5, 3.3 Hz, 3H), 1.69 – 1.55 (m, 4H),0.95 – 0.86 (m, 3H); 13C NMR (101 MHz, Chloroform-d) δ 142.0, 138.6, 134.5 (q,J = 33.0 Hz), 129.5, 128.9, 128.6, 128.3, 126.3 (q, J = 283.8 Hz), 126.1 (q,J = 3.7 Hz), 123.3 (q, J = 273.7 Hz), 72.1, 49.1 (q, J = 24.0 Hz), 47.5,41.1, 36.3, 30.2 (q, J = 2.8 Hz), 29.7, 26.3, 21.9; 19F NMR (565 MHz,Chloroform-d) δ -63.07, -65.26; HRMS (ESI): calcd for C23H25ClF6NO2S+ [M+H+]:528.1193, found 528.1195.
实施例5、N-(2-(1-氯-2-(三氟甲基)环己基)乙基)-N-(对甲苯基)-4-(三氟甲基)苯磺酰胺(化合物III-5)的制备
向具有氩气氛的经火焰干燥的密封管中,添加CuCl(0.99 mg,0.01 mmol,0.1eq.),4,7-二甲基-1,10-菲啰啉(6.25 mg,0.03 mmol,0.3 eq.),Togni试剂(56.9 mg,0.18mmol,1.8 eq.)和原料Ⅰ-5(42.35 mg, 0.1 mmol, 1.0 eq.),然后加入2.0 mL 1,2-二氯乙烷干燥溶剂以溶解混合物。将其在铝加热条件下在110 ℃下搅拌。反应将在20-24小时内完成,然后冷却至室温。该反应将通过TLC监测。将反应混合物直接通过硅胶柱色谱法(石油醚/ EtOAc)纯化,得到产物黄色油状固体Ⅲ-5(17.5 mg, 44%,起始原料回收:10.6 mg)。R f = 0.39(二氧化硅,己烷∶EtOAc,15∶1); 1H NMR (600 MHz, Chloroform-d) δ 7.73 (s,4H), 7.14 (d, J = 8.0 Hz, 2H), 6.97 – 6.90 (m, 2H), 3.95 – 3.82 (m, 1H), 3.74(ddd, J = 13.1, 10.6, 4.6 Hz, 1H), 2.54 (tdd, J = 16.5, 8.2, 3.1 Hz, 1H),2.36 (s, 3H), 2.22 (ddt, J = 15.1, 10.6, 4.4 Hz, 1H), 2.17 – 1.99 (m, 2H),1.80 (ddd, J = 13.8, 8.6, 3.8 Hz, 1H), 1.75 – 1.67 (m, 2H), 1.67 – 1.53 (m,2H), 1.44 (dqt, J = 14.9, 8.2, 3.7 Hz, 2H); 13C NMR (151 MHz, Chloroform-d) δ142.2, 138.7, 136.0, 134.5 (q, J = 33.1 Hz), 130.2, 128.6, 128.3, 126.5 (q, J= 282.4 Hz), 126.1 (q, J = 3.6 Hz), 123.4 (q, J = 272.9 Hz), 70.8, 51.5 (q, J= 24.0 Hz), 47.4, 39.0, 36.8, 23.4 (q, J = 3.2 Hz), 22.5, 22.4, 21.2; 19F NMR(565 MHz, Chloroform-d) δ -62.43, -63.04; HRMS (ESI): calcd for C23H25ClF6NO2S+[M+H+]: 528.1193, found 528.1193.
实施例6、N-(2-(1-氯-2-(三氟甲基)环己基)乙基)-N-(2-甲氧基苯基)-4-(三氟甲基)苯磺酰胺(化合物III-6)的制备
向具有氩气氛的经火焰干燥的密封管中,添加CuCl(0.99 mg,0.01 mmol,0.1eq.),4,7-二甲基-1,10-菲啰啉(6.25 mg,0.03 mmol,0.3 eq.),Togni试剂(56.9 mg,0.18mmol,1.8 eq.)和原料Ⅰ-6(131.85 mg, 0.3 mmol, 1.0 eq.),然后加入2.0 mL 1,2-二氯乙烷干燥溶剂以溶解混合物。将其在铝加热条件下在110 ℃下搅拌。反应将在20-24小时内完成,然后冷却至室温。该反应将通过TLC监测。将反应混合物直接通过硅胶柱色谱法(石油醚/ EtOAc)纯化,得到产物白色固体Ⅲ-6(102.4 mg, 76%,起始原料回收: 22.2 mg)。R f = 0.47(二氧化硅,己烷∶EtOAc,15∶1); 1H NMR (600 MHz, Chloroform-d) δ 7.79 (d,J = 8.1 Hz, 2H), 7.71 (d, J = 8.3 Hz, 2H), 7.32 (t, J = 8.5 Hz, 2H), 6.98 (t,J = 7.6 Hz, 1H), 6.78 (d, J = 8.2 Hz, 1H), 3.84 (d, J = 73.2 Hz, 2H), 3.32(s, 3H), 2.54 (pd, J = 9.1, 4.2 Hz, 1H), 2.42 – 1.96 (m, 3H), 1.85 – 1.60 (m,4H), 1.57 (s, 2H), 1.42 (ddd, J = 13.5, 8.8, 4.3 Hz, 1H); 13C NMR (151 MHz,Chloroform-d) δ 156.3, 144.0, 134.1 (q, J = 32.7 Hz), 130.5, 128.1, 126.6 (q,J = 282.4 Hz), 125.7 (q, J = 3.8 Hz), 123.6 (q, J = 272.9 Hz), 121.1, 111.8,70.9, 54.8, 51.6 (q, J = 25.3 Hz), 46.7, 39.0, 37.0, 23.5 (q, J = 3.3 Hz),22.6, 22.4; 19F NMR (565 MHz, Chloroform-d) δ -62.60, -63.06; HRMS (ESI):calcd for C23H25ClF6NO3S+ [M+Na+]:544.1142, found 544.1139.
实施例7、N-(2-(1-氯-2-(三氟甲基)环己基)乙基)-N-(3-甲氧基苯基)-4-(三氟甲基)苯磺酰胺(化合物III-7)的制备
向具有氩气氛的经火焰干燥的密封管中,添加CuCl(0.99 mg,0.01 mmol,0.1eq.),4,7-二甲基-1,10-菲啰啉(6.25 mg,0.03 mmol,0.3 eq.),Togni试剂(56.9 mg,0.18mmol,1.8 eq.)和原料Ⅰ-7(43.95 mg, 0.1 mmol, 1.0 eq.),然后加入2.0 mL 1,2-二氯乙烷干燥溶剂以溶解混合物。将其在铝加热条件下在110 ℃下搅拌。反应将在20-24小时内完成,然后冷却至室温。该反应将通过TLC监测。将反应混合物直接通过硅胶柱色谱法(石油醚/ EtOAc)纯化,得到产物黄色固体Ⅲ-7(13.7 mg, 43%,起始原料回收: 18 mg)。R f =0.38(二氧化硅,己烷∶EtOAc,15∶1); 1H NMR (600 MHz, Chloroform-d) δ 7.81 – 7.69(m, 4H), 7.23 (t, J = 8.1 Hz, 1H), 6.88 (dd, J = 8.3, 2.5 Hz, 1H), 6.65 (t, J= 2.2 Hz, 1H), 6.59 (dd, J = 7.9, 2.0 Hz, 1H), 3.90 (ddd, J = 13.0, 10.9, 5.0Hz, 1H), 3.82 – 3.71 (m, 4H), 2.55 (pd, J = 9.1, 4.3 Hz, 1H), 2.23 (ddt, J =12.9, 7.5, 3.7 Hz, 1H), 2.14 (ddd, J = 14.8, 10.9, 4.7 Hz, 1H), 2.10 – 1.97(m, 1H), 1.80 (ddd, J = 13.7, 8.6, 3.8 Hz, 1H), 1.72 (dtt, J = 14.9, 8.0, 3.7Hz, 2H), 1.66 – 1.55 (m, 2H), 1.44 (dpd, J = 12.9, 9.1, 8.6, 3.8 Hz, 2H); 13CNMR (101 MHz, Chloroform-d) δ 160.3, 141.9, 139.8, 134.6 (q, J = 33.1 Hz),130.0, 128.3, 126.5 (q, J = 283.8 Hz), 126.2 (q, J = 3.7 Hz), 123.4 (q, J =273.7 Hz), 120.4, 114.8, 114.5, 70.8, 55.5, 51.4 (q, J = 24.3 Hz), 47.3,36.8, 23.4 (q, J = 3.0 Hz), 22.5, 22.4; 19F NMR (565 MHz, Chloroform-d) δ -62.40, -63.06; HRMS (ESI): calcd for C23H25ClF6NO3S+ [M+H+]:544.1142, found544.1141.
实施例8、N-(2-(1-氯-2-(三氟甲基)环己基)乙基)-N-(4-甲氧基苯基)-4-(三氟甲基)苯磺酰胺(化合物III-8)的制备
向具有氩气氛的经火焰干燥的密封管中,添加CuCl(0.99 mg,0.01 mmol,0.1eq.),4,7-二甲基-1,10-菲啰啉(6.25 mg,0.03 mmol,0.3 eq.),Togni试剂(56.9 mg,0.18mmol,1.8 eq.)和原料Ⅰ-8(131.85 mg, 0.3 mmol, 1.0 eq.),然后加入2.0 mL 1,2-二氯乙烷干燥溶剂以溶解混合物。将其在铝加热条件下在110 ℃下搅拌。反应将在20-24小时内完成,然后冷却至室温。该反应将通过TLC监测。将反应混合物直接通过硅胶柱色谱法(石油醚/ EtOAc)纯化,得到产物淡黄色固体Ⅲ-8(93.9 mg, 69%,起始原料回收: 21.8 mg)。R f = 0.38(二氧化硅,己烷∶EtOAc,15∶1); 1H NMR (600 MHz, Chloroform-d) δ 7.73 (s,4H), 6.99 – 6.87 (m, 2H), 6.87 – 6.77 (m, 2H), 3.88 (ddd, J = 12.9, 10.9, 5.0Hz, 1H), 3.82 (s, 3H), 3.72 (ddd, J = 13.0, 10.6, 4.7 Hz, 1H), 2.55 (pd, J =9.2, 4.1 Hz, 1H), 2.22 (ddd, J = 15.3, 10.6, 5.1 Hz, 1H), 2.16 – 1.98 (m,3H), 1.80 (ddd, J = 13.6, 8.5, 3.6 Hz, 1H), 1.72 (qd, J = 10.1, 9.0, 3.9 Hz,2H), 1.67 – 1.59 (m, 1H), 1.50 – 1.37 (m, 2H); 13C NMR (151 MHz, Chloroform-d)δ 159.6, 142.2, 134.5 (q, J = 33.0 Hz), 131.1, 130.1, 128.3, 126.5 (q, J =282.4), 126.1 (q, J = 3.7 Hz), 123.4 (q, J = 272.9 Hz), 114.7, 70.8, 55.6,51.5 (q, J = 24.8 Hz), 47.5, 39.0, 36.8, 23.4 (q, J = 2.4 Hz), 22.5, 22.4; 19FNMR (565 MHz, Chloroform-d) δ -62.44, -63.04; HRMS (ESI): calcd forC23H25ClF6NO3S+ [M+H+]: 544.1142, found 544.1136.
实施例9、N-(2-(1-氯-2-(三氟甲基)环己基)乙基)-N-(4-氟苯基)-4-(三氟甲基)苯磺酰胺(化合物III-9)的制备
向具有氩气氛的经火焰干燥的密封管中,添加CuCl(0.99 mg,0.01 mmol,0.1eq.),4,7-二甲基-1,10-菲啰啉(6.25 mg,0.03 mmol,0.3 eq.),Togni试剂(56.9 mg,0.18mmol,1.8 eq.)和原料Ⅰ-9(42.75 mg, 0.1 mmol, 1.0 eq.),然后加入2.0 mL 1,2-二氯乙烷干燥溶剂以溶解混合物。将其在铝加热条件下在110 ℃下搅拌。反应将在20-24小时内完成,然后冷却至室温。该反应将通过TLC监测。将反应混合物直接通过硅胶柱色谱法(石油醚/ EtOAc)纯化,得到产物白色固体Ⅲ-9 (31.1 mg, 59%)。R f = 0.38(二氧化硅,己烷∶EtOAc,15∶1); 1H NMR (600 MHz, Chloroform-d) δ 7.74 (q, J = 8.4 Hz, 4H), 7.04(d, J = 6.4 Hz, 4H), 3.91 (ddd, J = 13.1, 11.0, 5.1 Hz, 1H), 3.73 (ddd, J =13.2, 10.7, 4.6 Hz, 1H), 2.55 (pd, J = 9.1, 4.2 Hz, 1H), 2.22 (ddd, J = 15.4,10.7, 5.1 Hz, 1H), 2.16 – 1.96 (m, 3H), 1.80 (ddd, J = 13.7, 8.5, 3.8 Hz,1H), 1.72 (dtd, J = 17.1, 8.3, 4.4 Hz, 2H), 1.67 – 1.55 (m, 1H), 1.45 (dq, J= 16.4, 7.4, 5.5 Hz, 2H); 13C NMR (151 MHz, Chloroform-d) δ 162.4 (d, J =249.3 Hz), 141.9, 134.8 (q, J=33.2 Hz), 130.7 (d, J = 8.8 Hz), 128.3, 126.5(q, J = 282.4 Hz), 126.3 (q, J = 3.7 Hz), 123.4 (q, J = 272.9 Hz), 116.6,116.5, 70.7, 51.4 (q, J = 24.1 Hz), 47.5, 39.0, 36.9, 23.4 (q, J = 3.0 Hz),22.4, 22.4; 19F NMR (565 MHz, Chloroform-d) δ -62.40, -63.08, -111.92; HRMS(ESI): calcd for C22H22ClF7NO2S + [M+H+]:532.0943, found 532.0941.
实施例10、N-(2-(1-氯-2-(三氟甲基)环己基)乙基)-N-(4-氯苯基)-4-(三氟甲基)苯磺酰胺(化合物III-10)的制备
向具有氩气氛的经火焰干燥的密封管中,添加CuCl(0.99 mg,0.01 mmol,0.1eq.),4,7-二甲基-1,10-菲啰啉(6.25 mg,0.03 mmol,0.3 eq.),Togni试剂(56.9 mg,0.18mmol,1.8 eq.)和原料Ⅰ-10(44.39 mg, 0.1 mmol, 1.0 eq.),然后加入2.0 mL 1,2-二氯乙烷干燥溶剂以溶解混合物。将其在铝加热条件下在110 ℃下搅拌。反应将在20-24小时内完成,然后冷却至室温。该反应将通过TLC监测。将反应混合物直接通过硅胶柱色谱法(石油醚/ EtOAc)纯化,得到产物黄色油状固体Ⅲ-10(26 mg, 49%,起始原料回收: 1.5 mg)。R f = 0.39(二氧化硅,己烷∶EtOAc,15∶1); 1H NMR (600 MHz, Chloroform-d) δ 7.77 –7.69 (m, 4H), 7.36 – 7.28 (m, 2H), 7.03 – 6.96 (m, 2H), 3.91 (ddd, J = 13.1,11.0, 5.1 Hz, 1H), 3.73 (ddd, J = 13.0, 10.7, 4.5 Hz, 1H), 2.55 (pd, J = 9.1,4.2 Hz, 1H), 2.21 (ddd, J = 15.6, 10.6, 5.2 Hz, 1H), 2.06 (dddd, J = 38.7,17.1, 9.0, 3.8 Hz, 3H), 1.84 – 1.68 (m, 3H), 1.63 (dq, J = 13.1, 8.0 Hz, 1H),1.45 (pd, J = 8.8, 6.0, 3.6 Hz, 2H); 13C NMR (151 MHz, Chloroform-d) δ 141.7,137.3, 135.1, 134.8 (q, J = 33.2 Hz), 134.6, 134.5, 130.0, 129.8, 128.2,126.5 (q, J = 282.4 Hz), 126.3 (q, J = 3.6 Hz), 123.3 (q, J = 273.0 Hz),70.7, 51.3 (q, J = 24.2 Hz), 47.3, 38.9, 37.0, 23.4 (q, J = 3.1 Hz), 22.4,22.3; 19F NMR (565 MHz, Chloroform-d) δ -62.35, -63.10; HRMS (ESI): calcd forC22H22Cl2F6NO2S+ [M+H+]:548.0647, found 548.0644.
实施例11、N-(4-乙酰基苯基)-N-(2-(1-氯-2-(三氟甲基)环己基)乙基)-4-(三氟甲基)苯磺酰胺(化合物III-11)的制备
向具有氩气氛的经火焰干燥的密封管中,添加CuCl(0.99 mg,0.01 mmol,0.1eq.),4,7-二甲基-1,10-菲啰啉(6.25 mg,0.03 mmol,0.3 eq.),Togni试剂(56.9 mg,0.18mmol,1.8 eq.)和原料Ⅰ-11 (45.15 mg, 0.1 mmol, 1.0 eq.),然后加入2.0 mL 1,2-二氯乙烷干燥溶剂以溶解混合物。将其在铝加热条件下在110 ℃下搅拌。反应将在20-24小时内完成,然后冷却至室温。该反应将通过TLC监测。将反应混合物直接通过硅胶柱色谱法(石油醚/ EtOAc)纯化,得到产物棕色固体Ⅲ-11(26.6 mg, 47%)。R f = 0.43(二氧化硅,己烷∶EtOAc,5∶1); 1H NMR (400 MHz, Chloroform-d) δ 7.99 – 7.91 (m, 2H), 7.79 – 7.64(m, 4H), 7.24 – 7.18 (m, 2H), 3.96 (ddd, J = 13.4, 10.8, 5.3 Hz, 1H), 3.80(ddd, J = 13.4, 10.6, 4.7 Hz, 1H), 2.62 (s, 3H), 2.58 – 2.43 (m, 1H), 2.23(ddd, J = 15.5, 10.6, 5.2 Hz, 1H), 2.07 (dddt, J = 25.7, 13.1, 9.9, 4.2 Hz,2H), 1.85 – 1.66 (m, 2H), 1.60 (s, 3H), 1.45 (dhept, J = 12.1, 4.4, 3.9 Hz,2H);13C NMR (101 MHz, Chloroform-d) δ 197.1, 142.9, 141.6, 136.7, 134.9 (q, J= 33.3 Hz), 129.6, 128.3, 128.1, 126.4 (q, J = 283.8 Hz), 126.4 (q, J = 3.7Hz), 123.3 (q, J = 273.7 Hz), 70.7, 51.3 (q, J = 24.1 Hz), 47.0, 39.0, 36.9,26.8, 23.4 (d, J = 2.9 Hz), 22.4, 22.3; 19F NMR (565 MHz, Chloroform-d) δ -62.39, -63.11; HRMS (ESI): calcd for C24H25ClF6NO3S+ [M+H+]:556.1142, found556.1141.
实施例12、4-((N-(2-(1-氯-2-(三氟甲基)环己基)乙基)-4-(三氟甲基)苯基)磺酰胺基)苯甲酸甲酯(化合物III-12)的制备
向具有氩气氛的经火焰干燥的密封管中,添加CuCl(0.99 mg,0.01 mmol,0.1eq.),4,7-二甲基-1,10-菲啰啉(6.25 mg,0.03 mmol,0.3 eq.),Togni试剂(56.9 mg,0.18mmol,1.8 eq.)和原料Ⅰ-12 (46.75 mg, 0.1 mmol, 1.0 eq.),然后加入2.0 mL 1,2-二氯乙烷干燥溶剂以溶解混合物。将其在铝加热条件下在110 ℃下搅拌。反应将在20-24小时内完成,然后冷却至室温。该反应将通过TLC监测。将反应混合物直接通过硅胶柱色谱法(石油醚/ EtOAc)纯化,得到产物白色固体Ⅲ-12(26.6 mg, 47%)。R f = 0.38(二氧化硅,己烷∶EtOAc = 5∶1); 1H NMR (600 MHz, Chloroform-d) δ 8.03 (dd, J = 8.9, 2.0 Hz,2H), 7.80 – 7.65 (m, 4H), 7.22 – 7.13 (m, 2H), 4.01 – 3.88 (m, 4H), 3.80(ddd, J = 13.3, 10.6, 4.6 Hz, 1H), 2.54 (pd, J = 9.2, 4.2 Hz, 1H), 2.22 (ddd,J = 15.4, 10.6, 5.1 Hz, 1H), 2.16 – 1.97 (m, 4H), 1.80 (ddd, J = 13.7, 8.3,3.7 Hz, 1H), 1.71 (dtt, J = 17.0, 8.3, 5.4 Hz, 2H), 1.45 (ddt, J = 16.9,12.8, 6.4 Hz, 2H); 13C NMR (151 MHz, Chloroform-d) δ 166.2, 142.9, 141.7,134.9 (q, J = 33.2 Hz), 130.9, 130.1, 128.2, 128.2, 126.4 (q, J = 3.7 Hz),126.4 (q, J = 282.4 Hz), 123.3 (q, J = 272.9 Hz), 70.7, 52.5, 51.4 (q, J =24.4 Hz), 47.1, 39.0, 36.9, 23.4 (q, J = 3.2 Hz), 22.4, 22.4; 19F NMR (565MHz, Chloroform-d) δ -62.39, -63.11 (d, J = 3.2 Hz); HRMS (ESI): calcd forC24H25ClF6NO4S+ [M+H+]:572.1092, found 572.1092.
最后说明的是,以上优选实施例仅用以说明本发明的技术方案而非限制,尽管通过上述优选实施例已经对本发明进行了详细的描述,但本领域技术人员应当理解,可以在形式上和细节上对其作出各种各样的改变,而不偏离本发明权利要求书所限定的范围。
Claims (9)
1.环状烯烃的氯化三氟甲基化合物的合成方法,该方法的特点是如通式(1)所示化合物I、Togni试剂II、一价或二价的铜离子、4,7-二甲基-1,10-菲啰啉加入封管中,然后加入有机溶剂,氩气吹扫封管保护,100-120 oC搅拌反应22-36小时,冷却,分离纯化,获得产物;
R1无取代或为甲基、甲氧基、卤素、羰基、酯基;
R2为五元环状烯烃、六元环状烯烃、七元环状烯烃、六元环状烯烃对位有甲基底物。
2.根据权利要求1所述的环状烯烃的氯化三氟甲基化合物的合成方法,其特征在于,R1为苯环2位取代的甲氧基;3位取代的甲氧基;4位取代的甲氧基、甲基、酯基、羰基、氟或氯;R2为五元环状烯烃、六元环状烯烃、七元环状烯烃,六元环状烯烃上四位有甲基底物。
3.根据权利要求1所述环状烯烃的氯化三氟甲基化合物的合成方法,其特征在于,通式I所示化合物为N-(2-(环己-1-烯-1-基)乙基)-N-苯基-4-(三氟甲基)苯磺酰胺、N-(2-(环戊-1-烯-1-基)乙基)-N-苯基-4-(三氟甲基)苯磺酰胺、N-(2-(环庚-1-烯-1-基)乙基)-N-苯基-4-(三氟甲基)苯磺酰胺、N-(2-(4-甲基环己-1-烯-1-基)乙基)-N-苯基-4-(三氟甲基)苯磺酰胺、N-(2-(环己-1-烯-1-基)乙基)-N-(对甲苯基)-4-(三氟甲基)苯磺酰胺、N-(2-(环己-1-烯-1-基)乙基)-N-(2-甲氧基苯基)-4-(三氟甲基)苯磺酰胺、N-(2-(环己-1-烯-1-基)乙基)-N-(3-甲氧基苯基)-4-(三氟甲基)苯磺酰胺、N-(2-(环己-1-烯-1-基)乙基)-N-(4-甲氧基苯基)-4-(三氟甲基)苯磺酰胺、N-(2-(环己-1-烯-1-基)乙基)-N-(4-氟苯基)-4-(三氟甲基)苯磺酰胺、N-(4-氯苯基)-N-(2-(环己-1-烯-1-基)乙基)-4-(三氟甲基)苯磺酰胺、N-(4-乙酰基苯基)-N-(2-(环己-1-烯-1-基)乙基)-4-(三氟甲基)苯磺酰胺、4-((N-(2-(环己-1-烯-1-基)乙基)-4-(三氟甲基)苯基)磺酰胺基)苯甲酸甲酯;
通式Ⅲ所示化合物为N-(2-(1-氯-2-(三氟甲基)环己基)乙基)-N-苯基-4-(三氟甲基)苯磺酰胺、N-(2-(1-氯-2-(三氟甲基)环戊基)乙基)-N-苯基-4-(三氟甲基)苯磺酰胺、N-(2-(1-氯-2-(三氟甲基)环庚基)乙基)-N-苯基-4-(三氟甲基)苯磺酰胺、N-(2-(1-氯-4-甲基-2-(三氟甲基)环己基)乙基)-N-苯基-4-(三氟甲基)苯磺酰胺、N-(2-(1-氯-2-(三氟甲基)环己基)乙基)-N-(对甲苯基)-4-(三氟甲基)苯磺酰胺、N-(2-(1-氯-2-(三氟甲基)环己基)乙基)-N-(2-甲氧基苯基)-4-(三氟甲基)苯磺酰胺、N-(2-(1-氯-2-(三氟甲基)环己基)乙基)-N-(3-甲氧基苯基)-4-(三氟甲基)苯磺酰胺、N-(2-(1-氯-2-(三氟甲基)环己基)乙基)-N-(4-甲氧基苯基)-4-(三氟甲基)苯磺酰胺、N-(2-(1-氯-2-(三氟甲基)环己基)乙基)-N-(4-氟苯基)-4-(三氟甲基)苯磺酰胺、N-(2-(1-氯-2-(三氟甲基)环己基)乙基)-N-(2-甲氧基苯基)-4-(三氟甲基)苯磺酰胺、N-(4-乙酰基苯基)-N-(2-(1-氯-2-(三氟甲基)环己基)乙基)-4-(三氟甲基)苯磺酰胺、4-((N-(2-(1-氯-2-(三氟甲基)环己基)乙基)-4-(三氟甲基)苯基)磺酰胺基)苯甲酸甲酯中的一种。
4.根据权利要求1所述环状烯烃的氯化三氟甲基化合物的合成方法,其特征在于,所述一价或二价铜离子由化合物CuI、CuBr、CuCl、Cu(CF3SO3)2或CuOAc提供; 通式I和II所述化合物反应时所用有机溶剂为1,2-二氯乙烷、二氯甲烷或三氯甲烷。
5.根据权利要求1所述环状烯烃的氯化三氟甲基化合物的合成方法,其特征在于,所述反应条件为110 oC搅拌反应。
6.根据权利要求1所述环状烯烃的氯化三氟甲基化合物的合成方法,其特征在于,通式II化合物过量。
7.根据权利要求1所述环状烯烃的氯化三氟甲基化合物的合成方法,其特征在于,通式I所示化合物与通式II所示化合物的摩尔比为0.1 : 0.18。
8.根据权利要求1所述环状烯烃的氯化三氟甲基化合物的合成方法,其特征在于,通式II所示化合物与4,7-二甲基-1,10-菲啰啉、一价或二价铜离子的摩尔比为0.18 : 0.03 :0.01。
9.根据权利要求1所述的环状烯烃的氯化三氟甲基化合物的合成方法,其特征在于,所述分离纯化具体包括:冷却后的反应液用中性氧化铝柱层析进行纯化,纯化时所用展开剂为石油醚和乙酸乙酯按体积比100 : 1~50 : 1混合而成。
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