CN115246798A - 一种光催化β-C杂芳基取代醇的合成方法 - Google Patents
一种光催化β-C杂芳基取代醇的合成方法 Download PDFInfo
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- CN115246798A CN115246798A CN202210920902.1A CN202210920902A CN115246798A CN 115246798 A CN115246798 A CN 115246798A CN 202210920902 A CN202210920902 A CN 202210920902A CN 115246798 A CN115246798 A CN 115246798A
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- ethyl acetate
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- 125000001072 heteroaryl group Chemical group 0.000 title claims abstract description 23
- 238000000034 method Methods 0.000 title claims abstract description 22
- 150000001298 alcohols Chemical class 0.000 title claims abstract description 14
- 230000002194 synthesizing effect Effects 0.000 title claims description 9
- 230000001699 photocatalysis Effects 0.000 title claims description 8
- 238000006243 chemical reaction Methods 0.000 claims abstract description 139
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Substances N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 49
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 40
- -1 alcohol compound Chemical class 0.000 claims abstract description 17
- XSCHRSMBECNVNS-UHFFFAOYSA-N quinoxaline Chemical compound N1=CC=NC2=CC=CC=C21 XSCHRSMBECNVNS-UHFFFAOYSA-N 0.000 claims abstract description 12
- 239000007800 oxidant agent Substances 0.000 claims abstract description 9
- 238000003756 stirring Methods 0.000 claims abstract description 9
- 150000001336 alkenes Chemical class 0.000 claims abstract description 8
- IOJUPLGTWVMSFF-UHFFFAOYSA-N benzothiazole Chemical compound C1=CC=C2SC=NC2=C1 IOJUPLGTWVMSFF-UHFFFAOYSA-N 0.000 claims abstract description 8
- 230000001590 oxidative effect Effects 0.000 claims abstract description 8
- KYQCOXFCLRTKLS-UHFFFAOYSA-N Pyrazine Chemical compound C1=CN=CC=N1 KYQCOXFCLRTKLS-UHFFFAOYSA-N 0.000 claims abstract description 6
- SMWDFEZZVXVKRB-UHFFFAOYSA-N Quinoline Chemical compound N1=CC=CC2=CC=CC=C21 SMWDFEZZVXVKRB-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000001257 hydrogen Substances 0.000 claims abstract description 6
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 6
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims abstract description 6
- 239000012429 reaction media Substances 0.000 claims abstract description 6
- 125000001424 substituent group Chemical group 0.000 claims abstract description 5
- LFSXCDWNBUNEEM-UHFFFAOYSA-N phthalazine Chemical compound C1=NN=CC2=CC=CC=C21 LFSXCDWNBUNEEM-UHFFFAOYSA-N 0.000 claims abstract description 4
- 125000004169 (C1-C6) alkyl group Chemical group 0.000 claims abstract description 3
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 3
- PCNDJXKNXGMECE-UHFFFAOYSA-N Phenazine Natural products C1=CC=CC2=NC3=CC=CC=C3N=C21 PCNDJXKNXGMECE-UHFFFAOYSA-N 0.000 claims abstract description 3
- FZWLAAWBMGSTSO-UHFFFAOYSA-N Thiazole Chemical compound C1=CSC=N1 FZWLAAWBMGSTSO-UHFFFAOYSA-N 0.000 claims abstract description 3
- 125000001539 acetonyl group Chemical group [H]C([H])([H])C(=O)C([H])([H])* 0.000 claims abstract description 3
- 125000003172 aldehyde group Chemical group 0.000 claims abstract description 3
- 125000003545 alkoxy group Chemical group 0.000 claims abstract description 3
- 125000004453 alkoxycarbonyl group Chemical group 0.000 claims abstract description 3
- 125000003118 aryl group Chemical group 0.000 claims abstract description 3
- 229910052736 halogen Inorganic materials 0.000 claims abstract description 3
- 150000002367 halogens Chemical class 0.000 claims abstract description 3
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 claims abstract description 3
- 150000002431 hydrogen Chemical class 0.000 claims abstract 2
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 186
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 claims description 81
- 239000000203 mixture Substances 0.000 claims description 73
- 150000001875 compounds Chemical class 0.000 claims description 58
- 239000012043 crude product Substances 0.000 claims description 35
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical class [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims description 32
- 239000011734 sodium Substances 0.000 claims description 32
- 239000012046 mixed solvent Substances 0.000 claims description 30
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 30
- 238000003760 magnetic stirring Methods 0.000 claims description 27
- USHAGKDGDHPEEY-UHFFFAOYSA-L potassium persulfate Chemical group [K+].[K+].[O-]S(=O)(=O)OOS([O-])(=O)=O USHAGKDGDHPEEY-UHFFFAOYSA-L 0.000 claims description 27
- 238000001035 drying Methods 0.000 claims description 26
- 238000006467 substitution reaction Methods 0.000 claims description 13
- 238000005406 washing Methods 0.000 claims description 9
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 6
- ROOXNKNUYICQNP-UHFFFAOYSA-N ammonium persulfate Chemical compound [NH4+].[NH4+].[O-]S(=O)(=O)OOS([O-])(=O)=O ROOXNKNUYICQNP-UHFFFAOYSA-N 0.000 claims description 6
- UIIMBOGNXHQVGW-UHFFFAOYSA-M Sodium bicarbonate Chemical class [Na+].OC([O-])=O UIIMBOGNXHQVGW-UHFFFAOYSA-M 0.000 claims description 5
- 239000012295 chemical reaction liquid Substances 0.000 claims description 4
- 239000012044 organic layer Substances 0.000 claims description 4
- 238000010791 quenching Methods 0.000 claims description 4
- 230000000171 quenching effect Effects 0.000 claims description 4
- WSLDOOZREJYCGB-UHFFFAOYSA-N 1,2-Dichloroethane Chemical compound ClCCCl WSLDOOZREJYCGB-UHFFFAOYSA-N 0.000 claims description 3
- 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 3
- 229910001870 ammonium persulfate Inorganic materials 0.000 claims description 3
- 238000002156 mixing Methods 0.000 claims description 3
- 238000007146 photocatalysis Methods 0.000 claims description 3
- CHQMHPLRPQMAMX-UHFFFAOYSA-L sodium persulfate Substances [Na+].[Na+].[O-]S(=O)(=O)OOS([O-])(=O)=O CHQMHPLRPQMAMX-UHFFFAOYSA-L 0.000 claims description 3
- 238000000605 extraction Methods 0.000 claims description 2
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 claims description 2
- 230000008569 process Effects 0.000 claims description 2
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- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 56
- BKOOMYPCSUNDGP-UHFFFAOYSA-N 2-methylbut-2-ene Chemical compound CC=C(C)C BKOOMYPCSUNDGP-UHFFFAOYSA-N 0.000 description 42
- 239000012074 organic phase Substances 0.000 description 29
- 239000000047 product Substances 0.000 description 29
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 28
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- 229910002027 silica gel Inorganic materials 0.000 description 28
- UIIMBOGNXHQVGW-DEQYMQKBSA-M Sodium bicarbonate-14C Chemical class [Na+].O[14C]([O-])=O UIIMBOGNXHQVGW-DEQYMQKBSA-M 0.000 description 26
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 description 24
- 239000010410 layer Substances 0.000 description 16
- 239000011541 reaction mixture Substances 0.000 description 16
- KDLHZDBZIXYQEI-UHFFFAOYSA-N Palladium Chemical compound [Pd] KDLHZDBZIXYQEI-UHFFFAOYSA-N 0.000 description 8
- AIBQGOMAISTKSR-UHFFFAOYSA-N 6-chloro-1,3-benzothiazole Chemical compound ClC1=CC=C2N=CSC2=C1 AIBQGOMAISTKSR-UHFFFAOYSA-N 0.000 description 7
- 230000015572 biosynthetic process Effects 0.000 description 5
- 238000003786 synthesis reaction Methods 0.000 description 5
- 230000004913 activation Effects 0.000 description 4
- 239000003054 catalyst Substances 0.000 description 4
- 239000003446 ligand Substances 0.000 description 4
- 229910052763 palladium Inorganic materials 0.000 description 4
- 229910001873 dinitrogen Inorganic materials 0.000 description 3
- 239000003814 drug Substances 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 3
- 229910052751 metal Inorganic materials 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- CTMHWPIWNRWQEG-UHFFFAOYSA-N 1-methylcyclohexene Chemical compound CC1=CCCCC1 CTMHWPIWNRWQEG-UHFFFAOYSA-N 0.000 description 2
- FSEXLNMNADBYJU-UHFFFAOYSA-N 2-phenylquinoline Chemical compound C1=CC=CC=C1C1=CC=C(C=CC=C2)C2=N1 FSEXLNMNADBYJU-UHFFFAOYSA-N 0.000 description 2
- MUDSDYNRBDKLGK-UHFFFAOYSA-N 4-methylquinoline Chemical compound C1=CC=C2C(C)=CC=NC2=C1 MUDSDYNRBDKLGK-UHFFFAOYSA-N 0.000 description 2
- XCZPDOCRSYZOBI-UHFFFAOYSA-N 5,6,7,8-Tetrahydroquinoxaline Chemical compound C1=CN=C2CCCCC2=N1 XCZPDOCRSYZOBI-UHFFFAOYSA-N 0.000 description 2
- 125000004429 atom Chemical group 0.000 description 2
- QMVPMAAFGQKVCJ-UHFFFAOYSA-N citronellol Chemical compound OCCC(C)CCC=C(C)C QMVPMAAFGQKVCJ-UHFFFAOYSA-N 0.000 description 2
- HGCIXCUEYOPUTN-UHFFFAOYSA-N cyclohexene Chemical compound C1CCC=CC1 HGCIXCUEYOPUTN-UHFFFAOYSA-N 0.000 description 2
- LPIQUOYDBNQMRZ-UHFFFAOYSA-N cyclopentene Chemical compound C1CC=CC1 LPIQUOYDBNQMRZ-UHFFFAOYSA-N 0.000 description 2
- 125000005842 heteroatom Chemical group 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 230000002401 inhibitory effect Effects 0.000 description 2
- 230000001678 irradiating effect Effects 0.000 description 2
- 239000002243 precursor Substances 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- ZXRLWHGLEJGMNO-UHFFFAOYSA-N 1,3-thiazole-5-carbaldehyde Chemical compound O=CC1=CN=CS1 ZXRLWHGLEJGMNO-UHFFFAOYSA-N 0.000 description 1
- BYHVGQHIAFURIL-UHFFFAOYSA-N 2-chloroquinoxaline Chemical compound C1=CC=CC2=NC(Cl)=CN=C21 BYHVGQHIAFURIL-UHFFFAOYSA-N 0.000 description 1
- UWSONZCNXUSTKW-UHFFFAOYSA-N 4,5-Dimethylthiazole Chemical compound CC=1N=CSC=1C UWSONZCNXUSTKW-UHFFFAOYSA-N 0.000 description 1
- XQPAPBLJJLIQGV-UHFFFAOYSA-N 4-methoxy-1,3-benzothiazole Chemical compound COC1=CC=CC2=C1N=CS2 XQPAPBLJJLIQGV-UHFFFAOYSA-N 0.000 description 1
- PIUXNZAIHQAHBY-UHFFFAOYSA-N 4-methyl-1,3-benzothiazole Chemical compound CC1=CC=CC2=C1N=CS2 PIUXNZAIHQAHBY-UHFFFAOYSA-N 0.000 description 1
- QMUXKZBRYRPIPQ-UHFFFAOYSA-N 5,6-dimethyl-1,3-benzothiazole Chemical compound C1=C(C)C(C)=CC2=C1SC=N2 QMUXKZBRYRPIPQ-UHFFFAOYSA-N 0.000 description 1
- KFDDRUWQFQJGNL-UHFFFAOYSA-N 5-bromo-1,3-benzothiazole Chemical compound BrC1=CC=C2SC=NC2=C1 KFDDRUWQFQJGNL-UHFFFAOYSA-N 0.000 description 1
- YTSFYTDPSSFCLU-UHFFFAOYSA-N 5-chloro-1,3-benzothiazole Chemical compound ClC1=CC=C2SC=NC2=C1 YTSFYTDPSSFCLU-UHFFFAOYSA-N 0.000 description 1
- BULNNISVPSQIFO-UHFFFAOYSA-N 6-(trifluoromethyl)-1,3-benzothiazole Chemical compound FC(F)(F)C1=CC=C2N=CSC2=C1 BULNNISVPSQIFO-UHFFFAOYSA-N 0.000 description 1
- YJOUISWKEOXIMC-UHFFFAOYSA-N 6-bromo-1,3-benzothiazole Chemical compound BrC1=CC=C2N=CSC2=C1 YJOUISWKEOXIMC-UHFFFAOYSA-N 0.000 description 1
- TUNFIJNORLACKR-UHFFFAOYSA-N 6-ethoxy-1,3-benzothiazole Chemical compound CCOC1=CC=C2N=CSC2=C1 TUNFIJNORLACKR-UHFFFAOYSA-N 0.000 description 1
- IVKILQAPNDCUNJ-UHFFFAOYSA-N 6-methyl-1,3-benzothiazole Chemical compound CC1=CC=C2N=CSC2=C1 IVKILQAPNDCUNJ-UHFFFAOYSA-N 0.000 description 1
- 229940121819 ATPase inhibitor Drugs 0.000 description 1
- UXVVJQBQPABTJW-UHFFFAOYSA-N CC(C(C)(C)C1=NC(C=CC(F)=C2)=C2S1)O Chemical compound CC(C(C)(C)C1=NC(C=CC(F)=C2)=C2S1)O UXVVJQBQPABTJW-UHFFFAOYSA-N 0.000 description 1
- VZHJUDGMWUWWJO-UHFFFAOYSA-N CC(C)=CCOC(C(C=C1)=CN=C1Cl)=O Chemical compound CC(C)=CCOC(C(C=C1)=CN=C1Cl)=O VZHJUDGMWUWWJO-UHFFFAOYSA-N 0.000 description 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 1
- 206010017533 Fungal infection Diseases 0.000 description 1
- 102000003960 Ligases Human genes 0.000 description 1
- 108090000364 Ligases Proteins 0.000 description 1
- 241000187479 Mycobacterium tuberculosis Species 0.000 description 1
- 208000031888 Mycoses Diseases 0.000 description 1
- INVWRXWYYVMFQC-UHFFFAOYSA-N Prenyl benzoate Chemical compound CC(C)=CCOC(=O)C1=CC=CC=C1 INVWRXWYYVMFQC-UHFFFAOYSA-N 0.000 description 1
- 239000000362 adenosine triphosphatase inhibitor Substances 0.000 description 1
- 230000000843 anti-fungal effect Effects 0.000 description 1
- 230000002365 anti-tubercular Effects 0.000 description 1
- 229940121375 antifungal agent Drugs 0.000 description 1
- 150000001503 aryl iodides Chemical class 0.000 description 1
- QUIJNHUBAXPXFS-XLJNKUFUSA-N bedaquiline Chemical compound C1([C@H](C2=CC3=CC(Br)=CC=C3N=C2OC)[C@@](O)(CCN(C)C)C=2C3=CC=CC=C3C=CC=2)=CC=CC=C1 QUIJNHUBAXPXFS-XLJNKUFUSA-N 0.000 description 1
- 229960000508 bedaquiline Drugs 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000004071 biological effect Effects 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 235000000484 citronellol Nutrition 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 229940072185 drug for treatment of tuberculosis Drugs 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- WISQBJLUORKXNY-UHFFFAOYSA-N ethyl 4-methyl-1,3-thiazole-5-carboxylate Chemical compound CCOC(=O)C=1SC=NC=1C WISQBJLUORKXNY-UHFFFAOYSA-N 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 230000027119 gastric acid secretion Effects 0.000 description 1
- 230000002496 gastric effect Effects 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 229930014626 natural product Natural products 0.000 description 1
- RGSFGYAAUTVSQA-UHFFFAOYSA-N pentamethylene Natural products C1CCCC1 RGSFGYAAUTVSQA-UHFFFAOYSA-N 0.000 description 1
- JRKICGRDRMAZLK-UHFFFAOYSA-L peroxydisulfate Chemical compound [O-]S(=O)(=O)OOS([O-])(=O)=O JRKICGRDRMAZLK-UHFFFAOYSA-L 0.000 description 1
- 239000011941 photocatalyst Substances 0.000 description 1
- 230000002441 reversible effect Effects 0.000 description 1
- 150000003385 sodium Chemical class 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000000758 substrate Substances 0.000 description 1
- 229910052723 transition metal Inorganic materials 0.000 description 1
- 150000003624 transition metals Chemical class 0.000 description 1
- 239000000814 tuberculostatic agent Substances 0.000 description 1
- BCEHBSKCWLPMDN-MGPLVRAMSA-N voriconazole Chemical compound C1([C@H](C)[C@](O)(CN2N=CN=C2)C=2C(=CC(F)=CC=2)F)=NC=NC=C1F BCEHBSKCWLPMDN-MGPLVRAMSA-N 0.000 description 1
- 229960004740 voriconazole Drugs 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
- C07D277/60—Heterocyclic compounds containing 1,3-thiazole or hydrogenated 1,3-thiazole rings condensed with carbocyclic rings or ring systems
- C07D277/62—Benzothiazoles
- C07D277/64—Benzothiazoles with only hydrocarbon or substituted hydrocarbon radicals attached in position 2
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07B—GENERAL METHODS OF ORGANIC CHEMISTRY; APPARATUS THEREFOR
- C07B41/00—Formation or introduction of functional groups containing oxygen
- C07B41/02—Formation or introduction of functional groups containing oxygen of hydroxy or O-metal groups
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D215/00—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems
- C07D215/02—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom
- C07D215/12—Heterocyclic compounds containing quinoline or hydrogenated quinoline ring systems having no bond between the ring nitrogen atom and a non-ring member or having only hydrogen atoms or carbon atoms directly attached to the ring nitrogen atom with substituted hydrocarbon radicals attached to ring carbon atoms
- C07D215/14—Radicals substituted by oxygen atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D237/00—Heterocyclic compounds containing 1,2-diazine or hydrogenated 1,2-diazine rings
- C07D237/26—Heterocyclic compounds containing 1,2-diazine or hydrogenated 1,2-diazine rings condensed with carbocyclic rings or ring systems
- C07D237/30—Phthalazines
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D241/00—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings
- C07D241/36—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings condensed with carbocyclic rings or ring systems
- C07D241/38—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings condensed with carbocyclic rings or ring systems with only hydrogen or carbon atoms directly attached to the ring nitrogen atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D241/00—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings
- C07D241/36—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings condensed with carbocyclic rings or ring systems
- C07D241/38—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings condensed with carbocyclic rings or ring systems with only hydrogen or carbon atoms directly attached to the ring nitrogen atoms
- C07D241/40—Benzopyrazines
- C07D241/42—Benzopyrazines with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the hetero ring
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D241/00—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings
- C07D241/36—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings condensed with carbocyclic rings or ring systems
- C07D241/38—Heterocyclic compounds containing 1,4-diazine or hydrogenated 1,4-diazine rings condensed with carbocyclic rings or ring systems with only hydrogen or carbon atoms directly attached to the ring nitrogen atoms
- C07D241/40—Benzopyrazines
- C07D241/44—Benzopyrazines 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 carbon atoms of the hetero ring
-
- 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
- C07D277/22—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 only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms
- C07D277/24—Radicals substituted by oxygen atoms
-
- 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
- C07D277/56—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D417/00—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00
- C07D417/02—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00 containing two hetero rings
- C07D417/12—Heterocyclic compounds containing two or more hetero rings, at least one ring having nitrogen and sulfur atoms as the only ring hetero atoms, not provided for by group C07D415/00 containing two hetero rings linked by a chain containing hetero atoms as chain links
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
本发明公开了一种光催化β‑C杂芳基取代醇的合成方法,具体为:将式(I)所示的氮杂环、式(II)或式(III)所示的烯烃和氧化剂加入到反应介质中,氮气保护,在光照条件下搅拌反应,反应结束后得到β‑C杂芳基取代醇类化合物,其反应方程式如下:式(I)中的氮杂环为苯并噻唑、喹啉、喹喔啉、酞嗪、吡嗪、噻唑及其衍生物,其衍生物上的取代基选自卤素、C1‑6的烷基或烷氧基、芳基、醛基、烷氧基羰基;式(II)中,R1选自氢、苯甲酰氧基、2‑(6‑氯烟酰)氧基、4‑羟基‑2‑甲基丁基或2‑氧代丙基;式(III)中,R2为氢或甲基,n=1或2。本发明具有操作简单、反应条件温和,后处理简单等优点,符合绿色化学的发展理念,适于工业化推广应用。
Description
技术领域
本发明涉及一种光催化β-C杂芳基取代醇的合成方法。
背景技术
β-C杂芳基取代醇是一种非常重要的化学结构单元,广泛存在于天然产物和人工合成的药物中,具有广泛的生物活性。例如,伏立康唑是治疗真菌感染的一种药物,为广谱抗真菌药;索拉拉赞是一种可逆的肠胃H+/K+ATP酶抑制剂,对胃酸分泌有直接抑制作用;贝达喹啉是一种抗结核新药,通过抑制结核分枝杆菌的ATP合成酶来发挥其抗结核作用。鉴于β-C杂芳基取代醇类化合物的药用价值及为快速化、模块化的构建含这一结构单元的药物及中间体,目前亟待开发一种绿色经济、合成步骤简洁、条件温和可控的方法,对β-C杂芳基取代醇类化合物进行高效的合成。
近年来,对于β-C杂芳基取代醇类化合物的合成,取得了一定的进展,但目前的方法还是受限于过渡金属催化的C-H键活化。2019年,余金权课题组报道了一种钯催化导向基团辅助β-C杂芳基取代醇的合成方法,该方法利用导向基团对金属催化剂钯的配位能力和金属催化剂钯对C-H键的活化能力,通过一系列醇与(杂)芳基碘代物的偶联实现了β-C杂芳基取代醇类化合物的合成(Nat.Chem.2019,11,571-577.);2020年,该课题组在上述工作基础上,进一步筛选了不同的导向基团和配体,大大提高了C-H键活化的选择性,使得反应生成β-C取代(杂)芳基醇的收率进一步提升(Angew.Chem.Int.Ed.2020,59,7783-7787)。虽然过渡金属催化C-H键活化在β-C杂芳基取代醇的合成方面有了极大突破,但是该方法也存在一定的不足。首先就是该方法需要用到昂贵的金属催化剂钯,反应成本较高;其次,该反应需要添加专一性的配体,否则在选择性和收率方面就会出现偏低的情况,而这些专一性配体结构较为复杂,较难制备;再者,该反应步骤较为繁琐,导向基团需要先和醇上的羟基共价结合制备成前体,待反应完成后又要对其进行脱保护,使羟基游离出来;最后,反应的原子经济性较低,不符合绿色化学的理念。
发明内容
针对现有技术中存在的上述问题,本发明的目的是在于提供一种操作简单、反应条件温和、产物纯度高、方法绿色的光催化β-C杂芳基取代醇的合成方法。
本发明限定了一种光催化β-C杂芳基取代醇的合成方法,具体为:将式(I)所示的氮杂环、式(II)或式(III)所示的烯烃和氧化剂加入到反应介质中,氮气保护、光源照射条件下,于25-35℃搅拌反应,反应结束后,反应液经后处理得到目标化合物如式(IV)或式(V)所示的β-C杂芳基取代醇类化合物,其反应方程式如下:
式(I)、式(IV)和式(V)中的氮杂环为苯并噻唑、喹啉、喹喔啉、酞嗪、吡嗪、噻唑或其衍生物,其衍生物上的取代基可以在苯环或其他主体环上任意位置的一取代或二取代,取代基独立选自卤素、C1-6的烷基或烷氧基、芳基、醛基、烷氧基羰基;
式(II)和式(IV)中,R1选自氢、苯甲酰氧基、2-(6-氯烟酰)氧基、4-羟基-2-甲基丁基或2-氧代丙基;
式(III)和式(Ⅴ)中,R2为氢或甲基,n=1或2;
进一步地,本发明还限定了氧化剂为过硫酸钾、过硫酸钠或过硫酸铵。
进一步地,本发明还限定了反应介质选自下列1,2-二氯乙烷、乙酸乙酯、二甲基亚砜、乙腈中的任意一种与水按体积比为1:1组成的混合溶剂。
进一步地,本发明还限定了光源为蓝光、白光或紫光。
进一步地,本发明还限定了式(Ⅰ)所示的氮杂环、式(Ⅱ)或式(Ⅲ)所示的烯烃、氧化剂的物质的量的比为1:3.0~5.0:1.0~3.0。
进一步地,本发明还限定了后处理过程为:反应液用饱和碳酸氢钠溶液淬灭,加入饱和食盐水洗涤,再用乙酸乙酯萃取,合并有机层用无水Na2SO4干燥并减压浓缩得到粗产物,粗产物经色谱柱分离纯化,得到目标化合物式(Ⅳ)或式(Ⅴ)所示的β-C杂芳基取代醇类化合物。
进一步地,在装有磁力搅拌的反应管中加入式(Ⅰ)所示的氮杂环、式(Ⅱ)或式(Ⅲ)所示的烯烃、氧化剂和反应介质,氮气置换三次后,将反应体系置于光源照射下,在25-35℃下搅拌反应,反应结束后反应液用饱和碳酸氢钠淬灭,加入饱和食盐水洗涤,将洗涤后得到的混合物用乙酸乙酯萃取,合并有机层后用无水Na2SO4干燥并减压浓缩得到粗产物,粗产物经色谱柱分离纯化,得到目标化合物式(Ⅳ)或式(Ⅴ)所示的β-C杂芳基取代醇类化合物。
相对于现有技术,本发明的有益效果在于:
1)本发明借助光源照射条件和廉价的过硫酸盐即可实现β-C杂芳基取代醇类化合物的合成,无需添加任何光催化剂,避免了常规技术中过渡金属催化剂的和专一性配体的使用,有效控制了反应的成本;
2)本发明采用一步合成法制备目标化合物,与常规技术相比,该方法操作简单,无需对反应底物进行预官能化;
3)本发明与常规技术相比,原子经济性较高;
4)本发明具有操作简单、反应条件温和,后处理简单等优点,符合绿色化学的发展理念,适于工业化推广应用。
具体实施方式
以下结合实施例对本发明作进一步的描述,但本发明的保护范围并不仅限于此:
实施例13-(6-氯苯并噻唑-2-基)-3-甲基丁-2-醇
在装有磁力搅拌的反应管中加入化合物(Ⅰ)6-氯苯并噻唑(33.8mg,0.2mmol),化合物(Ⅱ)2-甲基-2-丁烯(56.1mg,0.8mmol)和过硫酸钾(108.1mg,0.4mmol)得混合物,向混合物中加入乙腈和水的混合溶剂(1.0mL/1.0mL),氮气置换三次后,将反应体系在功率为25W的紫光下照射,30℃下搅拌反应24小时,反应结束后,反应液用饱和碳酸氢钠淬灭,将混合物用乙酸乙酯萃取,有机相用饱和NaCl洗涤后,分层,用无水Na2SO4干燥并减压浓缩,使用体积比为10:1石油醚/乙酸乙酯在硅胶柱上纯化粗产物,获得目标产物,收率89%,HPLC纯度为98.8%。
1H NMR(400MHz,CDCl3)δ7.87(d,J=8.7Hz,1H),7.83(d,J=2.0Hz,1H),7.42(dd,J=8.7,2.1Hz,1H),4.04(q,J=6.4Hz,1H),3.66(br,1H),1.48(s,3H),1.46(s,3H),1.19(d,J=6.4Hz,3H);13C NMR(101MHz,CDCl3)δ180.96,151.16,135.32,130.85,126.84,123.45,121.06,74.06,45.96,26.67,23.50,17.84.
实施例2 3-(6-溴苯并噻唑-2-基)-3-甲基丁-2-醇
在装有磁力搅拌的反应管中加入化合物(Ⅰ)6-溴苯并噻唑(42.6mg,0.2mmol),化合物(Ⅱ)2-甲基-2-丁烯(56.1mg,0.8mmol)和过硫酸铵(91.3mg,0.4mmol),向混合物中加入乙腈和水的混合溶剂(1.0mL/1.0mL),氮气置换三次后,将反应体系在功率为25W的紫光下照射,30℃下搅拌反应24小时,反应结束后,反应液用饱和碳酸氢钠淬灭,将混合物用乙酸乙酯萃取,有机相用饱和NaCl洗涤后,分层,用无水Na2SO4干燥并减压浓缩,使用体积比为10:1石油醚/乙酸乙酯在硅胶柱上纯化粗产物,获得目标产物,收率70%,HPLC纯度为98.1%。
1H NMR(400MHz,CDCl3)δ7.98(d,J=1.9Hz,1H),7.80(d,J=8.7Hz,1H),7.54(dd,J=8.7,2.0Hz,1H),4.03(q,J=6.4Hz,1H),3.66(br,1H),1.47(s,3H),1.45(s,3H),1.18(d,J=6.4Hz,3H);13C NMR(101MHz,CDCl3)δ180.97,151.52,135.82,129.51,123.99,123.82,118.45,74.04,45.96,26.63,23.52,17.85.
实施例3 3-(6-氟苯并噻唑-2-基)-3-甲基丁-2-醇
在装有磁力搅拌的反应管中加入化合物(Ⅰ)6-氟苯并噻唑(30.6mg,0.2mmol),化合物(Ⅱ)2-甲基-2-丁烯(56.1mg,0.8mmol)和过硫酸钠(95.2mg,0.4mmol),向混合物中加入乙腈和水的混合溶剂(1.0mL/1.0mL),氮气置换三次后,将反应体系在功率为25W的紫光下照射,30℃下搅拌反应24小时,反应结束后,反应液用饱和碳酸氢钠淬灭,将混合物用乙酸乙酯萃取,有机相用饱和NaCl洗涤后,分层,用无水Na2SO4干燥并减压浓缩,使用体积比为10:1石油醚/乙酸乙酯在硅胶柱上纯化粗产物,获得目标产物,收率85%,HPLC纯度为98.7%。
1H NMR(400MHz,CDCl3)δ7.90(dd,J=8.9,4.8Hz,1H),7.53(dd,J=8.1,2.5Hz,1H),7.19(td,J=8.9,2.6Hz,1H),4.04(q,J=6.4Hz,1H),3.66(br,1H),1.48(s,3H),1.46(s,3H),1.19(d,J=6.4Hz,3H);13C NMR(101MHz,CDCl3)δ180.05(d,J=3.1Hz),160.29(d,J=245.3Hz),149.23(d,J=1.3Hz),135.08(d,J=11.1Hz),123.61(d,J=9.3Hz),114.64(d,J=24.7Hz),107.61(d,J=26.7Hz),74.07,45.89,26.65,23.47,17.81.
实施例43-(6-甲基苯并噻唑-2-基)-3-甲基丁-2-醇
在装有磁力搅拌的反应管中加入化合物(Ⅰ)6-甲基苯并噻唑(29.8mg,0.2mmol),化合物(Ⅱ)2-甲基-2-丁烯(56.1mg,0.8mmol)和过硫酸钾(162.2mg,0.6mmol),向混合物中加入乙腈和水的混合溶剂(1.0mL/1.0mL),氮气置换三次后,将反应体系在功率为25W的紫光下照射,30℃下搅拌反应24小时,反应结束后,反应液用饱和碳酸氢钠淬灭,将混合物用乙酸乙酯萃取,有机相用饱和NaCl洗涤后,分层,用无水Na2SO4干燥并减压浓缩,使用体积比为10:1石油醚/乙酸乙酯在硅胶柱上纯化粗产物,获得目标产物,收率84%,HPLC纯度为97.9%。
1H NMR(400MHz,CDCl3)δ7.83(d,J=8.3Hz,1H),7.63(dt,J=1.6,0.8Hz,1H),7.25(dd,J=8.3,1.6Hz,1H),4.02(q,J=6.4Hz,1H),2.46(s,3H),1.47(s,3H),1.45(s,3H),1.18(d,J=6.4Hz,3H);13C NMR(101MHz,CDCl3)δ179.27,150.76,134.91,134.18,127.58,122.16,121.16,74.13,45.63,26.68,23.55,21.45,17.81.
实施例5 3-(苯并噻唑-2-基)-3-甲基丁-2-醇
在装有磁力搅拌的反应管中加入化合物(Ⅰ)苯并噻唑(27.0mg,0.2mmol),化合物(Ⅱ)2-甲基-2-丁烯(56.1mg,0.8mmol)和过硫酸钾(54.1mg,0.2mmol),向混合物中加入乙腈和水的混合溶剂(1.0mL/1.0mL),氮气置换三次后,将反应体系在功率为25W的紫光下照射,30℃下搅拌反应24小时,反应结束后,反应液用饱和碳酸氢钠淬灭,将混合物用乙酸乙酯萃取,有机相用饱和NaCl洗涤后,分层,用无水Na2SO4干燥并减压浓缩,使用体积比为10:1石油醚/乙酸乙酯在硅胶柱上纯化粗产物,获得目标产物,收率57%,HPLC纯度为98.0%。
1H NMR(400MHz,CDCl3)δ7.96(d,J=8.3Hz,1H),7.89–7.82(m,1H),7.45(ddd,J=8.3,7.3,1.2Hz,1H),7.36(ddd,J=8.3,7.2,1.2Hz,1H),4.05(q,J=6.4Hz,1H),3.82(br,1H),1.49(s,3H),1.47(s,3H),1.20(d,J=6.4Hz,3H);13C NMR(101MHz,CDCl3)δ180.44,152.63,134.03,126.04,124.87,122.69,121.45,74.12,45.76,26.75,23.57,17.83.
实施例6 3-(5-溴苯并噻唑-2-基)-3-甲基丁-2-醇
在装有磁力搅拌的反应管中加入化合物(Ⅰ)5-溴苯并噻唑(42.6mg,0.2mmol),化合物(Ⅱ)2-甲基-2-丁烯(56.1mg,0.8mmol)和过硫酸钾(108.1mg,0.4mmol),向混合物中加入二甲基亚砜和水的混合溶剂(1.0mL/1.0mL),氮气置换三次后,将反应体系在功率为25W的紫光下照射,30℃下搅拌反应24小时,反应结束后,反应液用饱和碳酸氢钠淬灭,将混合物用乙酸乙酯萃取,有机相用饱和NaCl洗涤后,分层,用无水Na2SO4干燥并减压浓缩,使用体积比为10:1石油醚/乙酸乙酯在硅胶柱上纯化粗产物,获得目标产物,收率61%,HPLC纯度为98.5%。
1H NMR(400MHz,CDCl3)δ8.11(d,J=1.9Hz,1H),7.70(d,J=8.5Hz,1H),7.46(dd,J=8.5,1.9Hz,1H),4.03(q,J=6.4Hz,1H),3.74(br,1H),1.47(s,3H),1.45(s,3H),1.18(d,J=6.5Hz,3H);13C NMR(101MHz,CDCl3)δ182.29,153.82,132.91,127.99,125.63,122.50,119.63,74.04,46.03,26.67,23.55,17.86.
实施例7 3-(5-氯苯并噻唑-2-基)-3-甲基丁-2-醇
在装有磁力搅拌的反应管中加入化合物(Ⅰ)5-氯苯并噻唑(33.8mg,0.2mmol),化合物(Ⅱ)2-甲基-2-丁烯(56.1mg,0.8mmol)和过硫酸钾(108.1mg,0.4mmol),向混合物中加入乙酸乙酯和水的混合溶剂(1.0mL/1.0mL),氮气置换三次后,将反应体系在功率为25W的紫光下照射,30℃下搅拌反应24小时,反应结束后,反应液用饱和碳酸氢钠淬灭,将混合物用乙酸乙酯萃取,有机相用饱和NaCl洗涤后,分层,用无水Na2SO4干燥并减压浓缩,使用体积比为10:1石油醚/乙酸乙酯在硅胶柱上纯化粗产物,获得目标产物,收率88%,HPLC纯度为98.6%。
1H NMR(400MHz,CDCl3)δ7.94(d,J=2.0Hz,1H),7.75(d,J=8.5Hz,1H),7.32(dd,J=8.5,2.0Hz,1H),4.03(q,J=6.4Hz,1H),3.52(br,1H),1.47(s,3H),1.45(s,3H),1.18(d,J=6.4Hz,3H);13C NMR(101MHz,CDCl3)δ182.48,153.49,132.37,132.08,125.36,122.57,122.16,74.04,46.04,26.64,23.54,17.84.
实施例8 3-甲基-3-(6-(三氟甲基)苯并噻唑-2-基)丁-2-醇
在装有磁力搅拌的反应管中加入化合物(Ⅰ)6-三氟甲基苯并噻唑(40.6mg,0.2mmol),化合物(Ⅱ)2-甲基-2-丁烯(56.1mg,0.8mmol)和过硫酸钾(108.1mg,0.4mmol),向混合物中加入1,2-二氯乙烷和水的混合溶剂(1.0mL/1.0mL),氮气置换三次后,将反应体系在功率为25W的紫光下照射,30℃下搅拌反应24小时,反应结束后,反应液用饱和碳酸氢钠淬灭,将混合物用乙酸乙酯萃取,有机相用饱和NaCl洗涤后,分层,用无水Na2SO4干燥并减压浓缩,使用体积比为10:1石油醚/乙酸乙酯在硅胶柱上纯化粗产物,获得目标产物,收率73%,HPLC纯度为98.7%。
1H NMR(400MHz,CDCl3)δ8.16(s,1H),8.05(d,J=8.5Hz,1H),7.70(dd,J=8.5,1.7Hz,1H),4.06(q,J=6.4Hz,1H),3.45(br,1H),1.51(s,3H),1.49(s,3H),1.20(d,J=6.4Hz,3H);13C NMR(101MHz,CDCl3)δ183.78,154.60,134.29,127.16(q,J=32.7Hz),124.17(q,J=272.3Hz),123.03(q,J=3.4Hz),123.08,119.17(q,J=4.2Hz),74.05,46.26,26.64,23.56,17.88.
实施例9 3-(6-乙氧基苯并噻唑-2-基)-3-甲基丁-2-醇
在装有磁力搅拌的反应管中加入化合物(Ⅰ)6-乙氧基苯并噻唑(29.8mg,0.2mmol),化合物(Ⅱ)2-甲基-2-丁烯(42.1mg,0.6mmol)和过硫酸钾(108.1mg,0.4mmol),向混合物中加入乙腈和水的混合溶剂(1.0mL/1.0mL),氮气置换三次后,将反应体系在功率为25W的紫光下照射,30℃下搅拌反应24小时,反应结束后,反应液用饱和碳酸氢钠淬灭,将混合物用乙酸乙酯萃取,有机相用饱和NaCl洗涤后,分层,用无水Na2SO4干燥并减压浓缩,使用体积比为10:1石油醚/乙酸乙酯在硅胶柱上纯化粗产物,获得目标产物,收率59%,HPLC纯度为98.4%。
1H NMR(400MHz,CDCl3)δ7.82(d,J=8.9Hz,1H),7.29(d,J=2.5Hz,1H),7.04(dd,J=8.9,2.5Hz,1H),4.07(q,J=7.0Hz,2H),4.02(q,J=6.5Hz,1H),1.46(s,3H),1.44(t,J=7.0Hz,3H),1.44(s,3H),1.19(d,J=6.4Hz,3H);13C NMR(101MHz,CDCl3)δ177.65,156.82,147.05,135.28,123.11,115.73,104.84,74.13,64.15,45.57,26.73,23.46,17.78,14.81.
实施例10 3-(5,6-二甲基苯并噻唑-2-基)-3-甲基丁-2-醇
在装有磁力搅拌的反应管中加入化合物(Ⅰ)5,6-二甲基苯并噻唑(32.6mg,0.2mmol),化合物(Ⅱ)2-甲基-2-丁烯(70.1mg,1.0mmol)和过硫酸钾(108.1mg,0.4mmol),向混合物中加入乙腈和水的混合溶剂(1.0mL/1.0mL),氮气置换三次后,将反应体系在功率为25W的紫光下照射,30℃下搅拌反应24小时,反应结束后,反应液用饱和碳酸氢钠淬灭,将混合物用乙酸乙酯萃取,有机相用饱和NaCl洗涤后,分层,用无水Na2SO4干燥并减压浓缩,使用体积比为10:1石油醚/乙酸乙酯在硅胶柱上纯化粗产物,获得目标产物,收率83%,HPLC纯度为98.6%。
1H NMR(400MHz,CDCl3)δ7.73(s,1H),7.59(s,1H),4.42(br,1H),4.01(q,J=6.4Hz,1H),2.38(s,3H),2.37(s,3H),1.47(s,3H),1.44(s,3H),1.18(d,J=6.4Hz,3H);13CNMR(101MHz,CDCl3)δ179.23,151.47,135.23,134.23,131.40,122.87,121.32,74.17,45.57,26.73,23.54,20.07,20.03,17.80.
实施例11 3-甲基-3-(4-甲基苯并噻唑-2-基)丁-2-醇
在装有磁力搅拌的反应管中加入化合物(Ⅰ)4-甲基苯并噻唑(29.8mg,0.2mmol),化合物(Ⅱ)2-甲基-2-丁烯(56.1mg,0.8mmol)和过硫酸钾(108.1mg,0.4mmol),向混合物中加入乙腈和水的混合溶剂(1.0mL/1.0mL),氮气置换三次后,将反应体系在功率为25W的蓝光下照射,30℃下搅拌反应24小时,反应结束后,反应液用饱和碳酸氢钠淬灭,将混合物用乙酸乙酯萃取,有机相用饱和NaCl洗涤后,分层,用无水Na2SO4干燥并减压浓缩,使用体积比为10:1石油醚/乙酸乙酯在硅胶柱上纯化粗产物,获得目标产物,收率84%,HPLC纯度为98.8%。
1H NMR(400MHz,CDCl3)δ7.33–7.29(m,1H),7.30–7.25(m,2H),4.55(br,1H),4.07(q,J=6.4Hz,1H),2.74(s,3H),1.52(s,3H),1.48(s,3H),1.24(d,J=6.4Hz,3H);13C NMR(101MHz,CDCl3)δ179.45,151.88,133.71,132.53,126.62,124.82,118.83,74.08,45.58,27.11,23.57,18.29,17.77.
实施例12 3-甲基-3-(4-甲氧基苯并噻唑-2-基)丁-2-醇
在装有磁力搅拌的反应管中加入化合物(Ⅰ)4-甲氧基苯并噻唑(33.0mg,0.2mmol),化合物(Ⅱ)2-甲基-2-丁烯(56.1mg,0.8mmol)和过硫酸钾(108.1mg,0.4mmol),向混合物中加入乙腈和水的混合溶剂(1.0mL/1.0mL),氮气置换三次后,将反应体系在功率为25W的白光下照射,30℃下搅拌反应24小时,反应结束后,反应液用饱和碳酸氢钠淬灭,将混合物用乙酸乙酯萃取,有机相用饱和NaCl洗涤后,分层,用无水Na2SO4干燥并减压浓缩,使用体积比为10:1石油醚/乙酸乙酯在硅胶柱上纯化粗产物,获得目标产物,收率66%,HPLC纯度为98.9%。
1H NMR(400MHz,CDCl3)δ7.41(d,J=8.0Hz,1H),7.27(t,J=8.0Hz,1H),6.86(d,J=8.0Hz,1H),4.09(q,J=6.4Hz,1H),3.99(s,3H),3.70(br,1H),1.47(s,3H),1.46(s,3H),1.17(d,J=6.4Hz,3H);13C NMR(101MHz,CDCl3)δ178.73,153.12,142.81,135.91,125.76,113.42,106.98,73.99,56.07,45.87,26.57,23.59,17.78.
实施例13 3-甲基-3-(2-苯基喹啉-4-基)丁-2-醇
在装有磁力搅拌的反应管中加入化合物(Ⅰ)2-苯基喹啉(41.0mg,0.2mmol),化合物(Ⅱ)2-甲基-2-丁烯(56.1mg,0.8mmol)和过硫酸钾(108.1mg,0.4mmol),向混合物中加入乙腈和水的混合溶剂(1.0mL/1.0mL),氮气置换三次后,将反应体系在功率为25W的紫光下照射,30℃下搅拌反应24小时,反应结束后,反应液用饱和碳酸氢钠淬灭,将混合物用乙酸乙酯萃取,有机相用饱和NaCl洗涤后,分层,用无水Na2SO4干燥并减压浓缩,使用体积比为7:1石油醚/乙酸乙酯在硅胶柱上纯化粗产物,获得目标产物,收率64%,HPLC纯度为98.8%。
1H NMR(400MHz,CDCl3)δ8.24–8.14(m,4H),7.96(s,1H),7.71(ddd,J=8.3,6.8,1.3Hz,1H),7.54(tdd,J=8.2,3.1,1.7Hz,3H),7.49–7.44(m,1H),3.84(q,J=6.8Hz,1H),1.52(d,J=7.1Hz,3H),1.45(br,1H),1.35(s,3H),1.22(s,3H);13C NMR(101MHz,CDCl3)δ156.72,151.13,148.59,139.97,130.66,129.25,129.13,128.82,127.64,127.26,126.01,123.65,118.12,73.10,42.36,28.86,27.97,16.51.
实施例14 3-甲基-3-(4-甲基喹啉-2-基)丁-2-醇
在装有磁力搅拌的反应管中加入化合物(Ⅰ)4-甲基喹啉(28.6mg,0.2mmol),化合物(Ⅱ)2-甲基-2-丁烯(56.1mg,0.8mmol)和过硫酸钾(108.1mg,0.4mmol),向混合物中加入乙腈和水的混合溶剂(1.0mL/1.0mL),氮气置换三次后,将反应体系在功率为25W的紫光下照射,30℃下搅拌反应24小时,反应结束后,反应液用饱和碳酸氢钠淬灭,将混合物用乙酸乙酯萃取,有机相用饱和NaCl洗涤后,分层,用无水Na2SO4干燥并减压浓缩,使用体积比为6:1石油醚/乙酸乙酯在硅胶柱上纯化粗产物,获得目标产物,收率52%,HPLC纯度为98.1%。
1H NMR(400MHz,CDCl3)δ8.00(d,J=8.4Hz,1H),7.94(dd,J=8.3,1.3Hz,1H),7.66(ddd,J=8.3,6.9,1.3Hz,1H),7.51(ddd,J=8.2,6.9,1.2Hz,1H),7.31(s,1H),6.40(br,1H),4.09(q,J=6.4Hz,1H),2.70(s,3H),1.43(s,3H),1.39(s,3H),1.18(d,J=6.5Hz,3H);13C NMR(101MHz,CDCl3)δ168.18,146.00,145.15,129.40,129.32,126.52,125.95,123.50,119.71,74.78,44.22,27.10,22.94,19.05,18.27.
实施例15 3-甲基-3-(喹喔啉-2-基)丁-2-醇
在装有磁力搅拌的反应管中加入化合物(Ⅰ)喹喔啉(26.0mg,0.2mmol),化合物(Ⅱ)2-甲基-2-丁烯(56.1mg,0.8mmol)和过硫酸钾(108.1mg,0.4mmol),向混合物中加入乙腈和水的混合溶剂(1.0mL/1.0mL),氮气置换三次后,将反应体系在功率为25W的紫光下照射,30℃下搅拌反应24小时,反应结束后,反应液用饱和碳酸氢钠淬灭,将混合物用乙酸乙酯萃取,有机相用饱和NaCl洗涤后,分层,用无水Na2SO4干燥并减压浓缩,使用体积比为5:1石油醚/乙酸乙酯在硅胶柱上纯化粗产物,获得目标产物,收率45%,HPLC纯度为98.3%。
1H NMR(400MHz,CDCl3)δ8.95(s,1H),8.07–8.03(m,1H),8.01–7.97(m,1H),7.75–7.67(m,2H),4.17(q,J=6.5Hz,1H),1.48(s,3H),1.46(s,3H),1.17(d,J=6.5Hz,3H);13CNMR(101MHz,CDCl3)δ162.46,144.17,140.90,140.50,130.12,129.39,129.00,128.90,74.18,44.21,25.95,22.22,17.94.
实施例163-甲基-3-(3-氯喹喔啉-2-基)丁-2-醇
在装有磁力搅拌的反应管中加入化合物(Ⅰ)2-氯喹喔啉(32.8mg,0.2mmol),化合物(Ⅱ)2-甲基-2-丁烯(56.1mg,0.8mmol)和过硫酸钾(108.1mg,0.4mmol),向混合物中加入乙腈和水的混合溶剂(1.0mL/1.0mL),氮气置换三次后,将反应体系在功率为25W的紫光下照射,30℃下搅拌反应24小时,反应结束后,反应液用饱和碳酸氢钠淬灭,将混合物用乙酸乙酯萃取,有机相用饱和NaCl洗涤后,分层,用无水Na2SO4干燥并减压浓缩,使用体积比为5:1石油醚/乙酸乙酯在硅胶柱上纯化粗产物,获得目标产物,收率61%,HPLC纯度为98.7%。
1H NMR(400MHz,CDCl3)δ7.96(dd,J=8.2,1.2Hz,1H),7.82(dd,J=8.3,1.1Hz,1H),7.58(ddd,J=8.4,7.1,1.5Hz,1H),7.50(ddd,J=8.4,7.1,1.5Hz,1H),4.66(q,J=6.6Hz,1H),1.48(d,J=6.6Hz,3H),1.47(s,3H),1.28(s,3H);13C NMR(101MHz,CDCl3)δ159.49,156.78,140.91,139.71,129.25,128.50,127.60,126.30,87.68,42.76,24.52,21.28,15.18.
实施例173-甲基-3-(酞嗪-1-基)丁-2-醇
在装有磁力搅拌的反应管中加入化合物(Ⅰ)酞嗪(26.0mg,0.2mmol),化合物(Ⅱ)2-甲基-2-丁烯(56.1mg,0.8mmol)和过硫酸钾(108.1mg,0.4mmol),向混合物中加入乙腈和水的混合溶剂(1.0mL/1.0mL),氮气置换三次后,将反应体系在功率为25W的紫光下照射,30℃下搅拌反应24小时,反应结束后,反应液用饱和碳酸氢钠淬灭,将混合物用乙酸乙酯萃取,有机相用饱和NaCl洗涤后,分层,用无水Na2SO4干燥并减压浓缩,使用体积比为3:1石油醚/乙酸乙酯在硅胶柱上纯化粗产物,获得目标产物,收率56%,HPLC纯度为98.2%。
1H NMR(400MHz,DMSO-d6)δ9.65(s,1H),9.60(s,1H),8.14–8.04(m,3H),4.70(s,1H),3.93–3.81(m,1H),1.36(s,3H),1.34(s,3H),0.84(d,J=6.3Hz,3H);13C NMR(101MHz,DMSO-d6)δ154.06,151.67,150.89,132.97,126.30,125.88,124.71,123.81,73.36,43.81,25.11,23.90,19.00.
实施例183-甲基-3-(5,6,7,8-四氢喹喔啉-2-基)丁-2-醇
在装有磁力搅拌的反应管中加入化合物(Ⅰ)5,6,7,8-四氢喹喔啉(26.8mg,0.2mmol),化合物(Ⅱ)2-甲基-2-丁烯(56.1mg,0.8mmol)和过硫酸钾(108.1mg,0.4mmol),向混合物中加入乙腈和水的混合溶剂(1.0mL/1.0mL),氮气置换三次后,将反应体系在功率为25W的紫光下照射,30℃下搅拌反应24小时,反应结束后,反应液用饱和碳酸氢钠淬灭,将混合物用乙酸乙酯萃取,有机相用饱和NaCl洗涤后,分层,用无水Na2SO4干燥并减压浓缩,使用体积比为3:1石油醚/乙酸乙酯在硅胶柱上纯化粗产物,获得目标产物,收率43%,HPLC纯度为98.4%。
1H NMR(400MHz,CDCl3)δ8.32(s,1H),4.86(br,1H),3.88(q,J=6.4Hz,1H),2.96–2.84(m,4H),1.91–1.87(m,4H),1.34(s,3H),1.31(s,3H),1.06(d,J=6.4Hz,3H);13C NMR(101MHz,CDCl3)δ159.18,150.50,150.45,139.25,74.88,42.51,31.87,31.43,26.29,22.60,22.50,18.29.
实施例192-(3-羟基-2-甲基丁-2-基)噻唑-5-甲醛
在装有磁力搅拌的反应管中加入化合物(Ⅰ)噻唑-5-甲醛(22.6mg,0.2mmol),化合物(Ⅱ)2-甲基-2-丁烯(56.1mg,0.8mmol)和过硫酸钾(108.1mg,0.4mmol),向混合物中加入乙腈和水的混合溶剂(1.0mL/1.0mL),氮气置换三次后,将反应体系在功率为25W的紫光下照射,30℃下搅拌反应24小时,反应结束后,反应液用饱和碳酸氢钠淬灭,将混合物用乙酸乙酯萃取,有机相用饱和NaCl洗涤后,分层,用无水Na2SO4干燥并减压浓缩,使用体积比为5:1石油醚/乙酸乙酯在硅胶柱上纯化粗产物,获得目标产物,收率79%,HPLC纯度为98.6%。
1H NMR(400MHz,CDCl3)δ9.97(s,1H),8.29(s,1H),3.93(q,J=6.4Hz,1H),3.15(br,1H),1.43(s,3H),1.41(s,3H),1.11(d,J=6.4Hz,3H);13C NMR(101MHz,CDCl3)δ188.08,182.10,150.57,138.33,74.04,46.20,26.42,23.69,17.99.
实施例202-(3-羟基-2-甲基丁-2-基)-4-甲基噻唑-5-甲酸乙酯
在装有磁力搅拌的反应管中加入化合物(Ⅰ)4-甲基噻唑-5-甲酸乙酯(34.2mg,0.2mmol),化合物(Ⅱ)2-甲基-2-丁烯(56.1mg,0.8mmol)和过硫酸钾(108.1mg,0.4mmol),向混合物中加入乙腈和水的混合溶剂(1.0mL/1.0mL),氮气置换三次后,将反应体系在功率为25W的紫光下照射,30℃下搅拌反应24小时,反应结束后,反应液用饱和碳酸氢钠淬灭,将混合物用乙酸乙酯萃取,有机相用饱和NaCl洗涤后,分层,用无水Na2SO4干燥并减压浓缩,使用体积比为5:1石油醚/乙酸乙酯在硅胶柱上纯化粗产物,获得目标产物,收率88%,HPLC纯度为98.2%。
1H NMR(400MHz,CDCl3)δ4.31(q,J=7.1Hz,2H),3.89(q,J=6.4Hz,1H),2.68(s,3H),1.40(s,3H),1.36(s,3H),1.35(t,J=7.1Hz,3H),1.12(d,J=6.4Hz,3H);13C NMR(101MHz,CDCl3)δ182.27,162.17,159.35,120.87,74.05,61.16,45.18,26.70,23.48,17.88,17.33,14.31.
实施例213-(4,5-二甲基噻唑-2-基)-3-甲基丁-2-醇
在装有磁力搅拌的反应管中加入化合物(Ⅰ)4,5-二甲基噻唑(22.6mg,0.2mmol),化合物(Ⅱ)2-甲基-2-丁烯(56.1mg,0.8mmol)和过硫酸钾(108.1mg,0.4mmol),向混合物中加入乙腈和水的混合溶剂(1.0mL/1.0mL),氮气置换三次后,将反应体系在功率为25W的紫光下照射,30℃下搅拌反应24小时,反应结束后,反应液用饱和碳酸氢钠淬灭,将混合物用乙酸乙酯萃取,有机相用饱和NaCl洗涤后,分层,用无水Na2SO4干燥并减压浓缩,使用体积比为5:1石油醚/乙酸乙酯在硅胶柱上纯化粗产物,获得目标产物,收率40%,HPLC纯度为98.6%。
1H NMR(400MHz,CDCl3)δ3.86(q,J=6.4Hz,1H),2.30(s,3H),2.27(s,3H),1.36(s,3H),1.31(s,3H),1.12(d,J=6.4Hz,3H);13C NMR(101MHz,CDCl3)δ174.87,147.17,124.45,74.19,44.29,27.00,23.41,17.72,14.57,11.04.
实施例223-(6-氯苯并噻唑-2-基)-2-羟基-3-甲基丁基苯甲酸酯
在装有磁力搅拌的反应管中加入化合物(Ⅰ)6-氯苯并噻唑(33.8mg,0.2mmol),化合物(Ⅱ)3-甲基丁-2-烯-1-基苯甲酸酯(152.1mg,0.8mmol)和过硫酸钾(108.1mg,0.4mmol),向混合物中加入乙腈和水的混合溶剂(1.0mL/1.0mL),氮气置换三次后,将反应体系在功率为25W的紫光下照射,30℃下搅拌反应24小时,反应结束后,反应液用饱和碳酸氢钠淬灭,将混合物用乙酸乙酯萃取,有机相用饱和NaCl洗涤后,分层,用无水Na2SO4干燥并减压浓缩,使用体积比为5:1石油醚/乙酸乙酯在硅胶柱上纯化粗产物,获得目标产物,收率70%,HPLC纯度为98.6%。
1H NMR(400MHz,CDCl3)δ7.86(d,J=8.7Hz,1H),7.81(dd,J=8.2,1.4Hz,2H),7.77(d,J=2.1Hz,1H),7.51–7.45(m,1H),7.42(dd,J=8.7,2.1Hz,1H),7.32–7.23(m,2H),4.52(dd,J=11.8,3.1Hz,1H),4.41(dd,J=11.8,6.4Hz,1H),4.19(dd,J=6.4,3.1Hz,1H),1.63(s,3H),1.61(s,3H);13C NMR(101MHz,CDCl3)δ179.60,166.64,151.17,135.29,132.99,130.98,129.64,129.47,128.18,126.95,123.50,121.08,76.91,66.13,44.47,27.23,24.79.
实施例233-(6-氯苯并噻唑-2-基)-2-羟基-3-甲基丁基6-氯烟酸酯
在装有磁力搅拌的反应管中加入化合物(Ⅰ)6-氯苯并噻唑(33.8mg,0.2mmol),化合物(Ⅱ)3-甲基丁-2-烯-1-基-6-氯烟酸酯(180.0mg,0.8mmol)和过硫酸钾(108.1mg,0.4mmol),向混合物中加入乙腈和水的混合溶剂(1.0mL/1.0mL),氮气置换三次后,将反应体系在功率为25W的紫光下照射,30℃下搅拌反应24小时,反应结束后,反应液用饱和碳酸氢钠淬灭,将混合物用乙酸乙酯萃取,有机相用饱和NaCl洗涤后,分层,用无水Na2SO4干燥并减压浓缩,使用体积比为5:1石油醚/乙酸乙酯在硅胶柱上纯化粗产物,获得目标产物,收率78%,HPLC纯度为98.9%。
1H NMR(400MHz,CDCl3)δ8.84(dd,J=2.4,0.7Hz,1H),7.99(dd,J=8.3,2.4Hz,1H),7.83(d,J=8.7Hz,1H),7.78(d,J=2.0Hz,1H),7.42(dd,J=8.7,2.1Hz,1H),7.24(dd,J=8.3,0.6Hz,1H),4.55(dd,J=11.7,3.1Hz,1H),4.45(dd,J=11.7,6.7Hz,1H),4.19(dd,J=6.7,3.1Hz,1H),3.47(br,1H),1.62(s,3H),1.60(s,3H);13C NMR(101MHz,CDCl3)δ179.47,164.40,155.77,151.04,151.00,139.30,135.07,131.22,127.12,124.58,123.93,123.46,121.10,76.69,66.56,44.42,27.22,24.79.
实施例247-(6-氯苯并噻唑-2-基)-3,7-二甲基辛烷-1,6-二醇
在装有磁力搅拌的反应管中加入化合物(Ⅰ)6-氯苯并噻唑(33.8mg,0.2mmol),化合物(Ⅱ)3,7-二甲基辛-6-烯-1-醇(124.9mg,0.8mmol)和过硫酸钾(108.1mg,0.4mmol),向混合物中加入乙腈和水的混合溶剂(1.0mL/1.0mL),氮气置换三次后,将反应体系在功率为25W的紫光下照射,30℃下搅拌反应24小时,反应结束后,反应液用饱和碳酸氢钠淬灭,将混合物用乙酸乙酯萃取,有机相用饱和NaCl洗涤后,分层,用无水Na2SO4干燥并减压浓缩,使用体积比为1:1石油醚/乙酸乙酯在硅胶柱上纯化粗产物,获得目标产物,收率65%,HPLC纯度为98.8%。
1H NMR(400MHz,DMSO-d6)δ8.15(d,J=1.9Hz,1H),7.93(d,J=8.7Hz,1H),7.46(dd,J=8.7,2.1Hz,1H),5.01(br,1H),3.59(t,J=8.6Hz,1H),3.52(br,1H),3.46–3.29(m,2H),1.56–1.46(m,1.5H),1.40(s,3H),1.37(s,3H),1.31–0.96(m,5.5H),0.74(d,J=6.4Hz,1.5H),0.71(d,J=6.5Hz,1.5H);13C NMR(101MHz,DMSO-d6)δ180.95,180.91,151.50,151.46,136.69,136.67,129.62,126.65,126.63,123.92,121.88,77.91,77.49,59.30,47.05,47.01,40.52,39.92,34.59,34.25,29.59,29.55,29.31,29.15,25.77,25.68,24.62,24.41,20.30,19.73.
实施例257-(6-氯苯并噻唑-2-基)-3,7-二甲基辛烷-1,6-二醇
在装有磁力搅拌的反应管中加入化合物(Ⅰ)6-氯苯并噻唑(33.8mg,0.2mmol),化合物(Ⅱ)甲基庚烯酮(100.9mg,0.8mmol)和过硫酸钾(108.1mg,0.4mmol),向混合物中加入乙腈和水的混合溶剂(1.0mL/1.0mL),氮气置换三次后,将反应体系在功率为25W的紫光下照射,30℃下搅拌反应24小时,反应结束后,反应液用饱和碳酸氢钠淬灭,将混合物用乙酸乙酯萃取,有机相用饱和NaCl洗涤后,分层,用无水Na2SO4干燥并减压浓缩,使用体积比为8:1石油醚/乙酸乙酯在硅胶柱上纯化粗产物,获得目标产物,收率74%,HPLC纯度为98.2%。
1H NMR(400MHz,CDCl3)δ7.86–7.80(m,2H),7.40(d,J=8.6Hz,1H),3.74(d,J=10.7Hz,1H),3.14(br,1H),2.78–2.56(m,2H),2.14(s,3H),2.00–1.70(m,2H),1.50(s,3H),1.49(s,3H);13C NMR(101MHz,CDCl3)δ209.31,180.84,151.11,135.26,130.89,126.86,123.41,121.08,77.73,45.88,40.66,30.05,26.78,25.54,24.09.
实施例262-(6-氯苯并噻唑-2-基)环戊烷-1-醇
在装有磁力搅拌的反应管中加入化合物(Ⅰ)6-氯苯并噻唑(33.8mg,0.2mmol),化合物(ⅡI)环戊烯(54.4mg,0.8mmol)和过硫酸钾(108.1mg,0.4mmol),向混合物中加入乙腈和水的混合溶剂(1.0mL/1.0mL),氮气置换三次后,将反应体系在功率为25W的紫光下照射,30℃下搅拌反应24小时,反应结束后,反应液用饱和碳酸氢钠淬灭,将混合物用乙酸乙酯萃取,有机相用饱和NaCl洗涤后,分层,用无水Na2SO4干燥并减压浓缩,使用体积比为6:1石油醚/乙酸乙酯在硅胶柱上纯化粗产物,获得目标产物,收率39%,HPLC纯度为97.9%。
1H NMR(400MHz,CDCl3)δ7.88(d,J=8.7Hz,1H),7.83(d,J=1.8Hz,1H),7.43(dd,J=8.7,2.1Hz,1H),4.67(q,J=3.8Hz,1H),3.38(ddd,J=10.8,8.2,3.9Hz,1H),2.28–2.14(m,2H),2.15–2.03(m,1H),1.99–1.93(m,2H),1.85–1.74(m,1H);13C NMR(101MHz,CDCl3)δ173.65,151.07,135.52,130.96,126.92,123.33,121.09,74.98,49.66,33.99,30.55,22.32.
实施例272-(6-氯苯并噻唑-2-基)环己烷-1-醇
在装有磁力搅拌的反应管中加入化合物(Ⅰ)6-氯苯并噻唑(33.8mg,0.2mmol),化合物(ⅡI)环己烯(65.7mg,0.8mmol)和过硫酸钾(108.1mg,0.4mmol),向混合物中加入乙腈和水的混合溶剂(1.0mL/1.0mL),氮气置换三次后,将反应体系在功率为25W的紫光下照射,30℃下搅拌反应24小时,反应结束后,反应液用饱和碳酸氢钠淬灭,将混合物用乙酸乙酯萃取,有机相用饱和NaCl洗涤后,分层,用无水Na2SO4干燥并减压浓缩,使用体积比为6:1石油醚/乙酸乙酯在硅胶柱上纯化粗产物,获得目标产物,收率61%,HPLC纯度为97.8%。
1H NMR(400MHz,CDCl3)δ7.86(d,J=8.7Hz,1H),7.81(d,J=2.0Hz,1H),7.40(dd,J=8.7,2.1Hz,1H),3.90(td,J=10.2,4.3Hz,1H),3.83(br,1H),2.95(ddd,J=12.6,9.5,3.9Hz,1H),2.27–2.11(m,2H),1.89–1.79(m,2H),1.67–1.55(m,1H),1.51–1.35(m,3H);13CNMR(101MHz,CDCl3)δ176.06,151.08,135.43,130.87,126.86,123.40,121.15,73.06,50.19,33.99,31.68,25.52,24.25.
实施例282-(6-氯苯并噻唑-2-基)-2-甲基环己-1-醇
在装有磁力搅拌的反应管中加入化合物(Ⅰ)6-氯苯并噻唑(33.8mg,0.2mmol),化合物(ⅡI)1-甲基-1-环己烯(76.9mg,0.8mmol)和过硫酸钾(108.1mg,0.4mmol),向混合物中加入乙腈和水的混合溶剂(1.0mL/1.0mL),氮气置换三次后,将反应体系在功率为25W的紫光下照射,30℃下搅拌反应24小时,反应结束后,反应液用饱和碳酸氢钠淬灭,将混合物用乙酸乙酯萃取,有机相用饱和NaCl洗涤后,分层,用无水Na2SO4干燥并减压浓缩,使用体积比为6:1石油醚/乙酸乙酯在硅胶柱上纯化粗产物,获得目标产物,收率57%,HPLC纯度为98.8%。
1H NMR(400MHz,CDCl3)δ7.85(d,J=8.7Hz,1H),7.82(d,J=2.1Hz,1H),7.41(dd,J=8.7,2.1Hz,1H),4.06(dd,J=11.4,4.4Hz,1H),3.91(br,1H),2.01(ddd,J=12.9,5.2,3.3Hz,1H),1.95–1.87(m,1H),1.85–1.72(m,2H),1.68–1.52(m,3H),1.43(s,3H),1.42–1.30(m,1H);13C NMR(101MHz,CDCl3)δ182.89,150.85,135.30,130.80,126.80,123.44,121.15,74.29,46.40,37.28,28.95,24.17,21.23,18.72.
以上实施仅用以说明本发明的技术方案而非限制本发明,尽管参照较佳实施例对本发明进行了详细说明,本领域的普通技术人员应当理解,可以对发明的技术方案进行修改或者等同替换,而不脱离本发明技术方案的精神和范围,其均应涵盖在本发明的权利要求范围内。
Claims (7)
1.一种光催化β-C杂芳基取代醇的合成方法,其特征在于将式(I)所示的氮杂环、式(II)或式(III)所示的烯烃和氧化剂加入到反应介质中,氮气保护,在光源照射条件,于25-35℃搅拌反应,反应结束后,反应液经后处理得到目标化合物式(IV)或式(V)所示的β-C杂芳基取代醇类化合物,其反应方程式如下:
式(I)、式(IV)和式(V)中的氮杂环为苯并噻唑、喹啉、喹喔啉、酞嗪、吡嗪、噻唑或其衍生物,其衍生物上的取代基为苯环或其他主体环上任意位置的一取代或二取代,取代基独立选自卤素、C1-6的烷基或烷氧基、芳基、醛基、烷氧基羰基;
式(II)中和式(IV),R1选自氢、苯甲酰氧基、2-(6-氯烟酰)氧基、4-羟基-2-甲基丁基或2-氧代丙基;
式(III)和式(Ⅴ)中,R2为氢或甲基,n=1或2。
2.根据权利要求1所述的一种光催化β-C杂芳基取代醇的合成方法,其特征在于氧化剂为过硫酸钾、过硫酸钠或过硫酸铵。
3.根据权利要求1所述的一种光催化β-C杂芳基取代醇的合成方法,其特征在于反应介质为1,2-二氯乙烷、乙酸乙酯、二甲基亚砜或乙腈中的任意一种与水按体积比为1:1组成的混合溶剂。
4.根据权利要求1所述的一种光催化β-C杂芳基取代醇的合成方法,其特征在于光源为蓝光、白光或紫光。
5.根据权利要求1所述的一种光催化β-C杂芳基取代醇的合成方法,其特征在于式(Ⅰ)所示的氮杂环、式(Ⅱ)或式(Ⅲ)所示的烯烃、氧化剂的物质的量的比为1:3.0~5.0:1.0~3.0。
6.根据权利要求1所述的一种光催化β-C杂芳基取代醇的合成方法,其特征在于后处理过程为:反应液用饱和碳酸氢钠溶液淬灭,加入饱和食盐水洗涤,再用乙酸乙酯萃取,合并有机层用无水Na2SO4干燥并减压浓缩得到粗产物,粗产物经色谱柱分离纯化,得到目标化合物式(Ⅳ)或式(Ⅴ)所示的β-C杂芳基取代醇类化合物。
7.根据权利要求1所述的一种光催化β-C杂芳基取代醇的合成方法,其特征在于在装有磁力搅拌的反应管中加入式(Ⅰ)所示的氮杂环、式(Ⅱ)或式(Ⅲ)所示的烯烃、氧化剂和反应介质,氮气置换三次后,将反应体系置于光源照射下,在25-35℃下搅拌反应,反应结束后反应液用饱和碳酸氢钠淬灭,加入饱和食盐水洗涤,将洗涤后得到的混合物用乙酸乙酯萃取,合并有机层后用无水Na2SO4干燥并减压浓缩得到粗产物,粗产物经色谱柱分离纯化,得到目标化合物式(Ⅳ)或式(Ⅴ)所示的β-C杂芳基取代醇类化合物。
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