CN108558778B - 二氢喹唑啉酮类化合物及其制备方法 - Google Patents
二氢喹唑啉酮类化合物及其制备方法 Download PDFInfo
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- CN108558778B CN108558778B CN201810501385.8A CN201810501385A CN108558778B CN 108558778 B CN108558778 B CN 108558778B CN 201810501385 A CN201810501385 A CN 201810501385A CN 108558778 B CN108558778 B CN 108558778B
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- China
- Prior art keywords
- ethyl acetate
- nitrobenzonitrile
- reaction
- acid
- cuprous chloride
- Prior art date
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- -1 Dihydro quinazolinone compound Chemical class 0.000 title claims abstract description 17
- 238000002360 preparation method Methods 0.000 title claims abstract description 8
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 claims abstract description 73
- 238000006243 chemical reaction Methods 0.000 claims abstract description 52
- SWBDKCMOLSUXRH-UHFFFAOYSA-N 2-nitrobenzonitrile Chemical compound [O-][N+](=O)C1=CC=CC=C1C#N SWBDKCMOLSUXRH-UHFFFAOYSA-N 0.000 claims abstract description 40
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 40
- SKOWZLGOFVSKLB-UHFFFAOYSA-N hypodiboric acid Chemical compound OB(O)B(O)O SKOWZLGOFVSKLB-UHFFFAOYSA-N 0.000 claims abstract description 37
- 229910021591 Copper(I) chloride Inorganic materials 0.000 claims abstract description 36
- OXBLHERUFWYNTN-UHFFFAOYSA-M copper(I) chloride Chemical compound [Cu]Cl OXBLHERUFWYNTN-UHFFFAOYSA-M 0.000 claims abstract description 36
- 229940045803 cuprous chloride Drugs 0.000 claims abstract description 36
- 150000002576 ketones Chemical class 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 claims abstract description 12
- 239000002904 solvent Substances 0.000 claims abstract description 12
- 150000001299 aldehydes Chemical class 0.000 claims abstract description 10
- 125000004093 cyano group Chemical group *C#N 0.000 claims abstract description 5
- 125000000449 nitro group Chemical group [O-][N+](*)=O 0.000 claims abstract description 5
- XEKOWRVHYACXOJ-UHFFFAOYSA-N Ethyl acetate Chemical compound CCOC(C)=O XEKOWRVHYACXOJ-UHFFFAOYSA-N 0.000 claims description 204
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 97
- 238000004440 column chromatography Methods 0.000 claims description 35
- 239000012074 organic phase Substances 0.000 claims description 35
- 229910052751 metal Inorganic materials 0.000 claims description 18
- 239000002184 metal Substances 0.000 claims description 18
- 239000003153 chemical reaction reagent Substances 0.000 claims description 14
- 239000002253 acid Substances 0.000 claims description 11
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 claims description 10
- 239000003513 alkali Substances 0.000 claims description 10
- 229910052796 boron Inorganic materials 0.000 claims description 10
- 150000003839 salts Chemical class 0.000 claims description 9
- LWIHDJKSTIGBAC-UHFFFAOYSA-K tripotassium phosphate Chemical compound [K+].[K+].[K+].[O-]P([O-])([O-])=O LWIHDJKSTIGBAC-UHFFFAOYSA-K 0.000 claims description 8
- 125000003282 alkyl amino group Chemical group 0.000 claims description 6
- 125000003118 aryl group Chemical group 0.000 claims description 6
- 229910052739 hydrogen Inorganic materials 0.000 claims description 6
- 239000001257 hydrogen Substances 0.000 claims description 6
- WMPDAIZRQDCGFH-UHFFFAOYSA-N 3-methoxybenzaldehyde Chemical compound COC1=CC=CC(C=O)=C1 WMPDAIZRQDCGFH-UHFFFAOYSA-N 0.000 claims description 4
- LZPWAYBEOJRFAX-UHFFFAOYSA-N 4,4,5,5-tetramethyl-1,3,2$l^{2}-dioxaborolane Chemical compound CC1(C)O[B]OC1(C)C LZPWAYBEOJRFAX-UHFFFAOYSA-N 0.000 claims description 4
- ZOIORXHNWRGPMV-UHFFFAOYSA-N acetic acid;zinc Chemical compound [Zn].CC(O)=O.CC(O)=O ZOIORXHNWRGPMV-UHFFFAOYSA-N 0.000 claims description 4
- 229960002089 ferrous chloride Drugs 0.000 claims description 4
- HYBBIBNJHNGZAN-UHFFFAOYSA-N furfural Chemical compound O=CC1=CC=CO1 HYBBIBNJHNGZAN-UHFFFAOYSA-N 0.000 claims description 4
- NMCUIPGRVMDVDB-UHFFFAOYSA-L iron dichloride Chemical compound Cl[Fe]Cl NMCUIPGRVMDVDB-UHFFFAOYSA-L 0.000 claims description 4
- 229910000160 potassium phosphate Inorganic materials 0.000 claims description 4
- 235000011009 potassium phosphates Nutrition 0.000 claims description 4
- 239000004246 zinc acetate Substances 0.000 claims description 4
- SMTJVGKZVGURTO-UHFFFAOYSA-N B(O)(O)OB(O)O.OCC(C)(CO)C Chemical compound B(O)(O)OB(O)O.OCC(C)(CO)C SMTJVGKZVGURTO-UHFFFAOYSA-N 0.000 claims description 3
- PKLFICDRWXSEJK-UHFFFAOYSA-N B.C1(=CC=CC2=CC=CC=C12)O Chemical compound B.C1(=CC=CC2=CC=CC=C12)O PKLFICDRWXSEJK-UHFFFAOYSA-N 0.000 claims description 3
- IPWKHHSGDUIRAH-UHFFFAOYSA-N bis(pinacolato)diboron Chemical compound O1C(C)(C)C(C)(C)OB1B1OC(C)(C)C(C)(C)O1 IPWKHHSGDUIRAH-UHFFFAOYSA-N 0.000 claims description 3
- NDOPHXWIAZIXPR-UHFFFAOYSA-N 2-bromobenzaldehyde Chemical compound BrC1=CC=CC=C1C=O NDOPHXWIAZIXPR-UHFFFAOYSA-N 0.000 claims description 2
- 239000001431 2-methylbenzaldehyde Substances 0.000 claims description 2
- SUISZCALMBHJQX-UHFFFAOYSA-N 3-bromobenzaldehyde Chemical compound BrC1=CC=CC(C=O)=C1 SUISZCALMBHJQX-UHFFFAOYSA-N 0.000 claims description 2
- ZRYZBQLXDKPBDU-UHFFFAOYSA-N 4-bromobenzaldehyde Chemical compound BrC1=CC=C(C=O)C=C1 ZRYZBQLXDKPBDU-UHFFFAOYSA-N 0.000 claims description 2
- 229910052736 halogen Inorganic materials 0.000 claims description 2
- 150000002367 halogens Chemical class 0.000 claims description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 claims description 2
- OVWYEQOVUDKZNU-UHFFFAOYSA-N m-tolualdehyde Chemical compound CC1=CC=CC(C=O)=C1 OVWYEQOVUDKZNU-UHFFFAOYSA-N 0.000 claims description 2
- 239000000463 material Substances 0.000 claims description 2
- 125000002924 primary amino group Chemical group [H]N([H])* 0.000 claims description 2
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims 3
- 125000001188 haloalkyl group Chemical group 0.000 claims 3
- 150000002431 hydrogen Chemical class 0.000 claims 3
- 229960000314 zinc acetate Drugs 0.000 claims 2
- JUJWROOIHBZHMG-UHFFFAOYSA-N Pyridine Chemical compound C1=CC=NC=C1 JUJWROOIHBZHMG-UHFFFAOYSA-N 0.000 claims 1
- 229960000583 acetic acid Drugs 0.000 abstract description 33
- 239000012362 glacial acetic acid Substances 0.000 abstract description 32
- 239000002994 raw material Substances 0.000 abstract description 9
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 abstract description 6
- 238000005580 one pot reaction Methods 0.000 abstract description 4
- 230000003197 catalytic effect Effects 0.000 abstract description 3
- 230000007062 hydrolysis Effects 0.000 abstract description 3
- 238000006460 hydrolysis reaction Methods 0.000 abstract description 3
- 238000003786 synthesis reaction Methods 0.000 abstract description 3
- 230000015572 biosynthetic process Effects 0.000 abstract description 2
- 238000009833 condensation Methods 0.000 abstract description 2
- 230000005494 condensation Effects 0.000 abstract description 2
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N Dimethylsulphoxide Chemical compound CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 description 88
- RTZKZFJDLAIYFH-UHFFFAOYSA-N Diethyl ether Chemical compound CCOCC RTZKZFJDLAIYFH-UHFFFAOYSA-N 0.000 description 70
- HUMNYLRZRPPJDN-UHFFFAOYSA-N benzaldehyde Chemical compound O=CC1=CC=CC=C1 HUMNYLRZRPPJDN-UHFFFAOYSA-N 0.000 description 42
- 239000003208 petroleum Substances 0.000 description 32
- QNGNSVIICDLXHT-UHFFFAOYSA-N para-ethylbenzaldehyde Natural products CCC1=CC=C(C=O)C=C1 QNGNSVIICDLXHT-UHFFFAOYSA-N 0.000 description 21
- 238000001644 13C nuclear magnetic resonance spectroscopy Methods 0.000 description 15
- 238000005160 1H NMR spectroscopy Methods 0.000 description 15
- 239000012295 chemical reaction liquid Substances 0.000 description 8
- 238000000926 separation method Methods 0.000 description 6
- HEDRZPFGACZZDS-MICDWDOJSA-N Trichloro(2H)methane Chemical compound [2H]C(Cl)(Cl)Cl HEDRZPFGACZZDS-MICDWDOJSA-N 0.000 description 4
- JIAARYAFYJHUJI-UHFFFAOYSA-L zinc dichloride Chemical compound [Cl-].[Cl-].[Zn+2] JIAARYAFYJHUJI-UHFFFAOYSA-L 0.000 description 4
- 125000000008 (C1-C10) alkyl group Chemical group 0.000 description 3
- CTOUNZIAEBIWAW-UHFFFAOYSA-N 3,4-dihydro-1h-quinazolin-2-one Chemical group C1=CC=C2NC(=O)NCC2=C1 CTOUNZIAEBIWAW-UHFFFAOYSA-N 0.000 description 3
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 description 3
- UHOVQNZJYSORNB-UHFFFAOYSA-N Benzene Chemical compound C1=CC=CC=C1 UHOVQNZJYSORNB-UHFFFAOYSA-N 0.000 description 3
- YMWUJEATGCHHMB-UHFFFAOYSA-N Dichloromethane Chemical compound ClCCl YMWUJEATGCHHMB-UHFFFAOYSA-N 0.000 description 3
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 description 3
- MUBZPKHOEPUJKR-UHFFFAOYSA-N Oxalic acid Chemical compound OC(=O)C(O)=O MUBZPKHOEPUJKR-UHFFFAOYSA-N 0.000 description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 3
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 description 3
- 125000003545 alkoxy group Chemical group 0.000 description 3
- 125000000217 alkyl group Chemical group 0.000 description 3
- WPYMKLBDIGXBTP-UHFFFAOYSA-N benzoic acid Chemical compound OC(=O)C1=CC=CC=C1 WPYMKLBDIGXBTP-UHFFFAOYSA-N 0.000 description 3
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 3
- PXBFMLJZNCDSMP-UHFFFAOYSA-N 2-Aminobenzamide Chemical compound NC(=O)C1=CC=CC=C1N PXBFMLJZNCDSMP-UHFFFAOYSA-N 0.000 description 2
- YGHRJJRRZDOVPD-UHFFFAOYSA-N 3-methylbutanal Chemical compound CC(C)CC=O YGHRJJRRZDOVPD-UHFFFAOYSA-N 0.000 description 2
- KWOLFJPFCHCOCG-UHFFFAOYSA-N Acetophenone Chemical compound CC(=O)C1=CC=CC=C1 KWOLFJPFCHCOCG-UHFFFAOYSA-N 0.000 description 2
- XTHFKEDIFFGKHM-UHFFFAOYSA-N Dimethoxyethane Chemical compound COCCOC XTHFKEDIFFGKHM-UHFFFAOYSA-N 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 description 2
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical class [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- BZLVMXJERCGZMT-UHFFFAOYSA-N Methyl tert-butyl ether Chemical compound COC(C)(C)C BZLVMXJERCGZMT-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 description 2
- DTQVDTLACAAQTR-UHFFFAOYSA-N Trifluoroacetic acid Chemical compound OC(=O)C(F)(F)F DTQVDTLACAAQTR-UHFFFAOYSA-N 0.000 description 2
- 239000002585 base Substances 0.000 description 2
- 238000006482 condensation reaction Methods 0.000 description 2
- OPQARKPSCNTWTJ-UHFFFAOYSA-L copper(ii) acetate Chemical compound [Cu+2].CC([O-])=O.CC([O-])=O OPQARKPSCNTWTJ-UHFFFAOYSA-L 0.000 description 2
- BDAGIHXWWSANSR-UHFFFAOYSA-N methanoic acid Natural products OC=O BDAGIHXWWSANSR-UHFFFAOYSA-N 0.000 description 2
- VNDYJBBGRKZCSX-UHFFFAOYSA-L zinc bromide Chemical compound Br[Zn]Br VNDYJBBGRKZCSX-UHFFFAOYSA-L 0.000 description 2
- 239000011592 zinc chloride Substances 0.000 description 2
- 235000005074 zinc chloride Nutrition 0.000 description 2
- RYHBNJHYFVUHQT-UHFFFAOYSA-N 1,4-Dioxane Chemical compound C1COCCO1 RYHBNJHYFVUHQT-UHFFFAOYSA-N 0.000 description 1
- HLCPWBZNUKCSBN-UHFFFAOYSA-N 2-aminobenzonitrile Chemical compound NC1=CC=CC=C1C#N HLCPWBZNUKCSBN-UHFFFAOYSA-N 0.000 description 1
- CSDSSGBPEUDDEE-UHFFFAOYSA-N 2-formylpyridine Chemical compound O=CC1=CC=CC=N1 CSDSSGBPEUDDEE-UHFFFAOYSA-N 0.000 description 1
- DPJCXCZTLWNFOH-UHFFFAOYSA-N 2-nitroaniline Chemical compound NC1=CC=CC=C1[N+]([O-])=O DPJCXCZTLWNFOH-UHFFFAOYSA-N 0.000 description 1
- OSWFIVFLDKOXQC-UHFFFAOYSA-N 4-(3-methoxyphenyl)aniline Chemical compound COC1=CC=CC(C=2C=CC(N)=CC=2)=C1 OSWFIVFLDKOXQC-UHFFFAOYSA-N 0.000 description 1
- OZKOAADVLVCNFO-UHFFFAOYSA-N 4-chloro-2-nitrobenzonitrile Chemical compound [O-][N+](=O)C1=CC(Cl)=CC=C1C#N OZKOAADVLVCNFO-UHFFFAOYSA-N 0.000 description 1
- MNEAKKQYFSYZEU-UHFFFAOYSA-N 4-fluoro-2-nitrobenzonitrile Chemical compound [O-][N+](=O)C1=CC(F)=CC=C1C#N MNEAKKQYFSYZEU-UHFFFAOYSA-N 0.000 description 1
- QGBSLPHQCUIZKK-UHFFFAOYSA-N 4-methyl-2-nitrobenzonitrile Chemical compound CC1=CC=C(C#N)C([N+]([O-])=O)=C1 QGBSLPHQCUIZKK-UHFFFAOYSA-N 0.000 description 1
- 239000005711 Benzoic acid Substances 0.000 description 1
- HEDRZPFGACZZDS-UHFFFAOYSA-N Chloroform Chemical compound ClC(Cl)Cl HEDRZPFGACZZDS-UHFFFAOYSA-N 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 229910021589 Copper(I) bromide Inorganic materials 0.000 description 1
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 description 1
- 229910021578 Iron(III) chloride Inorganic materials 0.000 description 1
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 1
- HCHKCACWOHOZIP-UHFFFAOYSA-N Zinc Chemical compound [Zn] HCHKCACWOHOZIP-UHFFFAOYSA-N 0.000 description 1
- 235000011054 acetic acid Nutrition 0.000 description 1
- MCDLETWIOVSGJT-UHFFFAOYSA-N acetic acid;iron Chemical class [Fe].CC(O)=O.CC(O)=O MCDLETWIOVSGJT-UHFFFAOYSA-N 0.000 description 1
- 125000004429 atom Chemical group 0.000 description 1
- 235000010233 benzoic acid Nutrition 0.000 description 1
- 230000004071 biological effect Effects 0.000 description 1
- 150000001728 carbonyl compounds Chemical class 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- ZDQWVKDDJDIVAL-UHFFFAOYSA-N catecholborane Chemical compound C1=CC=C2O[B]OC2=C1 ZDQWVKDDJDIVAL-UHFFFAOYSA-N 0.000 description 1
- 229960001701 chloroform Drugs 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 150000001879 copper Chemical class 0.000 description 1
- 229940108928 copper Drugs 0.000 description 1
- RFKZUAOAYVHBOY-UHFFFAOYSA-M copper(1+);acetate Chemical compound [Cu+].CC([O-])=O RFKZUAOAYVHBOY-UHFFFAOYSA-M 0.000 description 1
- NKNDPYCGAZPOFS-UHFFFAOYSA-M copper(i) bromide Chemical compound Br[Cu] NKNDPYCGAZPOFS-UHFFFAOYSA-M 0.000 description 1
- 229940076286 cupric acetate Drugs 0.000 description 1
- 125000000753 cycloalkyl group Chemical group 0.000 description 1
- KVFDZFBHBWTVID-UHFFFAOYSA-N cyclohexanecarbaldehyde Chemical compound O=CC1CCCCC1 KVFDZFBHBWTVID-UHFFFAOYSA-N 0.000 description 1
- 235000014113 dietary fatty acids Nutrition 0.000 description 1
- 229940079593 drug Drugs 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 229930195729 fatty acid Natural products 0.000 description 1
- 239000000194 fatty acid Substances 0.000 description 1
- 235000019253 formic acid Nutrition 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical class Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- VYFOAVADNIHPTR-UHFFFAOYSA-N isatoic anhydride Chemical class NC1=CC=CC=C1CO VYFOAVADNIHPTR-UHFFFAOYSA-N 0.000 description 1
- 239000012046 mixed solvent Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 229930014626 natural product Natural products 0.000 description 1
- 239000003960 organic solvent Substances 0.000 description 1
- 235000006408 oxalic acid Nutrition 0.000 description 1
- 229910000033 sodium borohydride Inorganic materials 0.000 description 1
- 239000012279 sodium borohydride Substances 0.000 description 1
- BEOOHQFXGBMRKU-UHFFFAOYSA-N sodium cyanoborohydride Chemical compound [Na+].[B-]C#N BEOOHQFXGBMRKU-UHFFFAOYSA-N 0.000 description 1
- 239000007858 starting material Substances 0.000 description 1
- 238000010189 synthetic method Methods 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 239000011701 zinc Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
- 229940102001 zinc bromide Drugs 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D239/00—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
- C07D239/70—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings condensed with carbocyclic rings or ring systems
- C07D239/72—Quinazolines; Hydrogenated quinazolines
- C07D239/86—Quinazolines; Hydrogenated quinazolines with hetero atoms directly attached in position 4
- C07D239/88—Oxygen atoms
- C07D239/91—Oxygen atoms with aryl or aralkyl radicals attached in position 2 or 3
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D239/00—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
- C07D239/70—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings condensed with carbocyclic rings or ring systems
- C07D239/72—Quinazolines; Hydrogenated quinazolines
- C07D239/86—Quinazolines; Hydrogenated quinazolines with hetero atoms directly attached in position 4
- C07D239/88—Oxygen atoms
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D239/00—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings
- C07D239/70—Heterocyclic compounds containing 1,3-diazine or hydrogenated 1,3-diazine rings condensed with carbocyclic rings or ring systems
- C07D239/72—Quinazolines; Hydrogenated quinazolines
- C07D239/86—Quinazolines; Hydrogenated quinazolines with hetero atoms directly attached in position 4
- C07D239/88—Oxygen atoms
- C07D239/90—Oxygen atoms with acyclic radicals attached in position 2 or 3
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D401/00—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom
- C07D401/02—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings
- C07D401/04—Heterocyclic compounds containing two or more hetero rings, having nitrogen atoms as the only ring hetero atoms, at least one ring being a six-membered ring with only one nitrogen atom containing two hetero rings directly linked by a ring-member-to-ring-member bond
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D405/00—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom
- C07D405/02—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings
- C07D405/04—Heterocyclic compounds containing both one or more hetero rings having oxygen atoms as the only ring hetero atoms, and one or more rings having nitrogen as the only ring hetero atom containing two hetero rings directly linked by a ring-member-to-ring-member bond
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Cosmetics (AREA)
- Catalysts (AREA)
Abstract
本发明涉及二氢喹唑啉酮类化合物及其制备方法,具体结构如III所示。该方法以廉价易得的邻硝基苯甲腈(I)和醛或酮(II)为原料,以醇和水为溶剂,在四羟基二硼、冰醋酸和催化量的氯化亚铜作用下,在一锅反应体系中经硝基还原、氰基水解以及缩合等反应,得到目标产物(III)。该方法首次使用2‑硝基苯甲腈(I)为原料,操作简便,原料易得、收率较高,具有步骤经济性、原子经济性、反应条件温和等绿色合成的优点。
Description
技术领域
本发明属于有机合成技术领域,具体涉及一种二氢喹唑啉酮类化合物及其制备方法。
背景技术
二氢喹唑啉酮骨架结构广泛存在于天然产物和药物分子之中,具有重要的生物活性和药用价值。在已报道的合成方法中,均以2-氨基苯甲酰胺、靛红酸酐衍生物、2-氨基苯甲腈、2-硝基苯胺等为起始原料,在一定条件下和羰基化合物发生缩合反应,得到二氢喹唑啉酮类化合物。这些方法不但反应原料单一,而且存在一些明显的不足,大多数反应条件都比较苛刻,如需要危险的有机溶剂,更高的温度,强酸,昂贵的催化剂,以及复杂的后处理过程等。本发明的创新点在于首次以廉价、易得的邻硝基苯甲腈(I)和醛或酮(II)为原料,在温和的条件下经三步一锅法,以较高的产率得到二氢喹唑啉酮类化合物,具有步骤经济性、原子经济性等绿色合成的优点。
发明内容
基于上述技术问题,本发明的技术方案提供一种二氢喹唑啉酮类化合物,所述二氢喹唑啉酮的结构如式III所示;
所述的R1包括氢、C1-C10烷基、C1-C10烷基氧基、C3—C10环烷基、C1—C10烷基氨基、卤代烷基、卤素、羟基、氨基、硝基、氰基、芳基中的任意一种;
所述的R2包括氢、C1-C10烷基、C1-C10烷基氧基、卤代烷基、C3—C10环烷基、C1—C10烷基氨基、芳基中的任意一种;
所述的R3包括氢、C1-C10烷基、C1-C10烷基氧基、卤代烷基、C3—C10环烷基、C1—C10烷基氨基、芳基中的任意一种。
本发明的技术方案还包括所述的二氢喹唑啉酮类化合物的制备方法,该方法以廉价、易得的邻硝基苯甲腈(I)和醛或酮(II)为原料,在硼试剂、酸或碱和催化量的金属等(其中的一种或多种)作用下,在合适的溶剂中发生硝基还原、氰基水解以及缩合等反应,三步一锅法得到目标产物(III);具体操作步骤是将邻硝基苯甲腈(I)、硼试剂、酸或碱、金属或金属盐、醛或酮(II)及溶剂加入反应试剂中,25-100℃下反应0.1-12h(进一步优选反应温度为60℃,反应时间为3h),反应结束后乙酸乙酯萃取、有机相合并浓缩,柱层析分离即可得到目标产物(III),具体反应方程式如下:
邻硝基苯甲腈(I)、硼试剂、酸或碱、金属或金属盐、醛或酮(II)中各物料的摩尔比为0.1-0.5:0.8-1.5:0.1-0.4:0.01-0.05:0.1-0.4。
所述的硼试剂包括四羟基二硼、频那醇硼烷、儿萘酚硼烷、联硼酸新戊二醇酯、双(频哪醇合)二硼、硼氢化钠、氰基硼氢化钠中的任意一种。
所述的硼试剂以四羟基二硼为最佳,进一步优化为:3当量的四羟基二硼;
所述的酸包括甲酸、乙酸、乙二酸、C3-C20脂肪酸、C7-C20芳香族酸、盐酸、硫酸中的任意一种。所述的酸以冰乙酸为最佳,进一步优化为:1.2当量的冰乙酸。
所述的碱包括氢氧化钾、氢氧化钠、磷酸钾、C1-C20含氮有机碱中的任意一种。所述的金属包括铜、氯化亚铜、氯化铜、醋酸铜、醋酸亚铜、溴化亚铜的一价或二价铜盐。
所述的金属包括锌、氯化锌、醋酸锌、溴化锌中的任意一种。
所述的金属包括铁、氯化亚铁、氯化铁、醋酸亚铁的二价或三价铁盐。
所述的金属以氯化亚铜为最佳,进一步优化为:20%mol氯化亚铜。
所述的溶剂包括水、甲醇、乙醇、乙二醇、C3-C10烷基醇、二氯甲烷、三氯甲烷、甲苯、苯、乙酸乙酯、乙醚、1,4-二氧六环、二1,2-二氯乙烷、乙醚、乙二醇二甲醚、甲基叔丁基醚、四氢呋喃、N,N-二甲基甲酰胺、二甲基亚砜的单一溶剂或者混合物。所述的溶剂为醇与水的混合溶剂,进一步优化为:甲醇/水=1/1。
本发明公开了一种二氢喹唑啉酮类化合物及其制备方法。该方法以廉价、易得的邻硝基苯甲腈(I)和醛或酮(II)为原料,以醇和水为溶剂,在四羟基二硼、冰醋酸和催化量的氯化亚铜作用下发生硝基还原、氰基水解以及缩合反应,三步一锅法直接得到目标产物(III)。该方法首次使用2-硝基苯甲腈(I)为原料,操作简便,原料易得、反应条件温和、收率较高,具有重大的工业应用价值。
具体实施方式
下面结合具体实施例,对本发明作进一步说明,但本发明并不限于以下实施例。
实施例1:
将2-硝基苯甲腈(0.2mmol,29.6mg),四羟基二硼(1mmol,89.6mg),冰乙酸(0.24mmol,14.5mg),氯化亚铜(0.04mmol,4.0mg),苯甲醛(0.24mmol,25.4mg),甲醇(1ml),水(1ml)依次加入试管中,60℃反应3h,结束后,反应液用乙酸乙酯萃取3次,合并有机相浓缩至干,柱层析(石油醚:乙酸乙酯=4:1)分离,产率:(40.8mg,91%)。m.p.225-226℃.1HNMR(400MHz,CDCl3)δ=7.99(dd,J1=8.0Hz,J2=1.6Hz,1H),7.65(m,2H),7.50(m,2H),7.39(dt,J1=7.6Hz,J2=1.6Hz,1H),6.95(dd,J1=7.6Hz,J2=0.8Hz,1H),6.72(d,J=8.0Hz,1H),5.95(s,1H),5.80(s,1H),4.44(s,1H).13C NMR(100MHz,CDCl3)δ=164.7,147.2,138.6,134.0,130.2,129.2,128.8,127.4,119.7,115.7,114.6,69.2.
实施例2:
将2-硝基苯甲腈(0.2mmol,29.6mg),四羟基二硼(1mmol,89.6mg),苯甲醛(0.24mmol,25.4mg),甲醇(1ml),水(1ml)依次加入试管中,60℃反应12h,结束后,反应液用乙酸乙酯萃取3次,合并有机相浓缩至干,柱层析(石油醚:乙酸乙酯=4:1)分离,产率:(6.7mg,15%)。
实施例3:
将2-硝基苯甲腈(0.2mmol,29.6mg),四羟基二硼(1mmol,89.6mg),冰乙酸(0.24mmol,14.5mg),氯化亚铜(0.04mmol,4.0mg),苯甲醛(0.24mmol,25.4mg),水(2ml)依次加入试管中,60℃反应3h,结束后,反应液用乙酸乙酯萃取3次,合并有机相浓缩至干,柱层析(石油醚:乙酸乙酯=4:1)分离,产率:(13.2mg,30%)。
实施例4:
将2-硝基苯甲腈(0.2mmol,29.6mg),四羟基二硼(1mmol,89.6mg),冰乙酸(0.24mmol,14.5mg),氯化亚铜(0.04mmol,4.0mg),苯甲醛(0.24mmol,25.4mg),CH3OH(2ml)依次加入试管中,60℃反应3h,结束后,反应液溶于乙酸乙酯中,用水洗3次,有机相浓缩至干,柱层析(石油醚:乙酸乙酯=4:1)分离,产率:(17.0mg,38%)。
实施例5:
将2-硝基苯甲腈(0.2mmol,29.6mg),四羟基二硼(1mmol,89.6mg),冰乙酸(0.24mmol,14.5mg),氯化亚铜(0.04mmol,4.0mg),苯甲醛(0.24mmol,25.4mg),二甲基亚砜(1ml),水(1ml)依次加入试管中,60℃反应3h,结束后,反应液溶于乙酸乙酯中,用水洗3次,有机相浓缩至干,柱层析(石油醚:乙酸乙酯=4:1)分离,产率:(26.0mg,58%)。
实施例6:
将2-硝基苯甲腈(0.2mmol,29.6mg),四羟基二硼(1mmol,89.6mg),冰乙酸(0.24mmol,14.5mg),氯化亚铜(0.04mmol,4.0mg),苯甲醛(0.24mmol,25.4mg),Tol(2ml)依次加入试管中,60℃反应3h,结束后,反应液溶于乙酸乙酯中,用水洗3次,有机相浓缩至干,柱层析(石油醚:乙酸乙酯=4:1)分离,产率:(3.17mg,7%)。
实施例7:
将2-硝基苯甲腈(0.2mmol,29.6mg),四羟基二硼(1mmol,89.6mg),苯甲酸(0.24mmol,29.3mg),氯化亚铜(0.04mmol,4.0mg),苯甲醛(0.24mmol,25.4mg),甲醇(1ml),水(1ml)依次加入试管中,60℃反应3h,结束后,反应液用乙酸乙酯萃取3次,合并有机相浓缩至干,柱层析(石油醚:乙酸乙酯=4:1)分离,产率:(22.8mg,51%)。
实施例8:
将2-硝基苯甲腈(0.2mmol,29.6mg),四羟基二硼(1mmol,89.6mg),三氟乙酸(0.24mmol,27.4mg),氯化亚铜(0.04mmol,4.0mg),苯甲醛(0.24mmol,25.4mg),甲醇(1ml),水(1ml)依次加入试管中,60℃反应3h,结束后,反应液用乙酸乙酯萃取3次,合并有机相浓缩至干,柱层析(石油醚:乙酸乙酯=4:1)分离,产率:(17.0mg,38%)。
实施例9:
将2-硝基苯甲腈(0.2mmol,29.6mg),四羟基二硼(1mmol,89.6mg),磷酸钾(0.24mmol,50.9mg),氯化亚铜(0.04mmol,4.0mg),苯甲醛(0.24mmol,25.4mg),甲醇(1ml),水(1ml)依次加入试管中,60℃反应3h,结束后,反应液用乙酸乙酯萃取3次,合并有机相浓缩至干,柱层析(石油醚:乙酸乙酯=4:1)分离,产率:(18.5mg,41%)。
实施例10:
将2-硝基苯甲腈(0.2mmol,29.6mg),四羟基二硼(1mmol,89.6mg),冰乙酸(1mmol,60mg),氯化亚铜(0.04mmol,4.0mg),苯甲醛(0.24mmol,25.4mg),甲醇(1ml),水(1ml)依次加入试管中,60℃反应3h,结束后,反应液用乙酸乙酯萃取3次,合并有机相浓缩至干,柱层析(石油醚:乙酸乙酯=4:1)分离,产率:(39.6mg,88%)。
实施例11:
将2-硝基苯甲腈(0.2mmol,29.6mg),四羟基二硼(1mmol,89.6mg),冰乙酸(0.1mmol,6mg),氯化亚铜(0.04mmol,4.0mg),苯甲醛(0.24mmol,25.4mg),甲醇(1ml),水(1ml)依次加入试管中,60℃反应3h,结束后,反应液用乙酸乙酯萃取3次,合并有机相浓缩至干,柱层析(石油醚:乙酸乙酯=4:1)分离,产率:(32.0mg,71%)。
实施例12:
将2-硝基苯甲腈(0.2mmol,29.6mg),频哪醇硼烷(1mmol,128.0mg),冰乙酸(0.24mmol,14.5mg),氯化亚铜(0.04mmol,4.0mg),苯甲醛(0.24mmol,25.4mg),甲醇(1ml),水(1ml)依次加入试管中,60℃反应3h,结束后,反应液用乙酸乙酯萃取3次,合并有机相浓缩至干,柱层析(石油醚:乙酸乙酯=4:1)分离,产率:(18.8mg,42%)。
实施例13:
将2-硝基苯甲腈(0.2mmol,29.6mg),儿茶酚硼烷(1mmol,119.9mg),冰乙酸(0.24mmol,14.5mg),氯化亚铜(0.04mmol,4.0mg),苯甲醛(0.24mmol,25.4mg),甲醇(1ml),水(1ml)依次加入试管中,60℃反应3h,结束后,反应液用乙酸乙酯萃取3次,合并有机相浓缩至干,柱层析(石油醚:乙酸乙酯=4:1)分离,产率:(19.4mg,43%)。
实施例14:
将2-硝基苯甲腈(0.2mmol,29.6mg),四羟基二硼(1mmol,89.6mg),冰乙酸(0.24mmol,14.5mg),氯化锌(0.04mmol,5.4mg),苯甲醛(0.24mmol,25.4mg),甲醇(1ml),水(1ml)依次加入试管中,60℃反应3h,结束后,反应液用乙酸乙酯萃取3次,合并有机相浓缩至干,柱层析(石油醚:乙酸乙酯=10:1)分离,产率:(20.6mg,46%)。
实施例15:
将2-硝基苯甲腈(0.2mmol,29.6mg),四羟基二硼(1mmol,89.6mg),冰乙酸(0.24mmol,14.5mg),醋酸锌(0.04mmol,7.3mg),苯甲醛(0.24mmol,25.4mg),甲醇(1ml),水(1ml)依次加入试管中,60℃反应3h,结束后,反应液用乙酸乙酯萃取3次,合并有机相浓缩至干,柱层析(石油醚:乙酸乙酯=10:1)分离,产率:(6.8mg,15%)。
实施例16:
将2-硝基苯甲腈(0.2mmol,29.6mg),四羟基二硼(1mmol,89.6mg),冰乙酸(0.24mmol,14.5mg),氯化亚铁(0.04mmol,5.1mg),苯甲醛(0.24mmol,25.4mg),甲醇(1ml),水(1ml)依次加入试管中,60℃反应3h,结束后,反应液用乙酸乙酯萃取3次,合并有机相浓缩至干,柱层析(石油醚:乙酸乙酯=10:1)分离,产率:(28.8mg,64%)。
实施例17:
将2-硝基苯甲腈(0.2mmol,29.6mg),四羟基二硼(0.6mmol,53.8mg),冰乙酸(0.24mmol,14.5mg),氯化亚铜(0.04mmol,4.0mg),苯甲醛(0.24mmol,25.4mg),甲醇(1ml),水(1ml)依次加入试管中,60℃反应3h,结束后,反应液用乙酸乙酯萃取3次,合并有机相浓缩至干,柱层析(石油醚:乙酸乙酯=4:1)分离,产率:(40.8mg,91%)。
实施例18:
将2-硝基苯甲腈(0.2mmol,29.6mg),四羟基二硼(0.2mmol,17.9mg),冰乙酸(0.24mmol,14.5mg),氯化亚铜(0.04mmol,4.0mg),苯甲醛(0.24mmol,25.4mg),甲醇(1ml),水(1ml)依次加入试管中,60℃反应3h,结束后,反应液用乙酸乙酯萃取3次,合并有机相浓缩至干,柱层析(石油醚:乙酸乙酯=4:1)分离,产率:(27.9mg,62%)。
实施例19:
将2-硝基苯甲腈(0.2mmol,29.6mg),四羟基二硼(0.6mmol,53.8mg),冰乙酸(0.24mmol,14.5mg),氯化亚铜(0.04mmol,4.0mg),2-溴苯甲醛(0.24mmol,44.4mg),甲醇(1ml),水(1ml)依次加入试管中,60℃反应3h,结束后,反应液用乙酸乙酯萃取3次,合并有机相浓缩至干,柱层析(石油醚:乙酸乙酯=10:1)分离,产率:(44.2mg,73%)。m.p.174-175℃.1H NMR(400MHz,DMSO)δ=8.21(s,1H),7.68(m,3H),7.46(t,J=7.2Hz,1H),7.35(dt,J1=1.2Hz,J2=8Hz,1H),7.28(dt,J1=1.6Hz,J2=7.6Hz,1H),7.01(s,1H),6.75(m,2H),6.11(s,1H).13C NMR(100MHz,DMSO)δ=164.1,148.2,139.6,133.9,133.3,131.2,129.6,128.5,127.8,122.7,118.0,115.2,115.1.
实施例20:
将2-硝基苯甲腈(0.2mmol,29.6mg),四羟基二硼(0.6mmol,53.8mg),冰乙酸(0.24mmol,14.5mg),氯化亚铜(0.04mmol,4.0mg),间溴苯甲醛(0.24mmol,44.4mg),甲醇(1ml),水(1ml)依次加入试管中,60℃反应3h,结束后,反应液用乙酸乙酯萃取3次,合并有机相浓缩至干,柱层析(石油醚:乙酸乙酯=10:1)分离,产率:(42.4mg,70%)。m.p.183-184℃.1H NMR(400MHz,DMSO)δ=8.41(s,1H),7.68(t,J=2Hz,1H),7.62(dt,J1=2Hz,J2=7.6Hz,1H),7.55(m,1H),7.49(dt,J1=1.2Hz,J2=9.2Hz,1H),7.37(t,J=7.6Hz,1H),5.78(t,J=2Hz,1H).13C NMR(100MHz,DMSO)δ=163.9,147.9,145.1,133.9,131.6,131.1,130.1,127.8,126.3,122.1,117.8,115.4,114.9,66.0.
实施例21:
将2-硝基苯甲腈(0.2mmol,29.6mg),四羟基二硼(0.6mmol,53.8mg),冰乙酸(0.24mmol,14.5mg),氯化亚铜(0.04mmol,4.0mg),对溴苯甲醛(0.24mmol,44.4mg),甲醇(1ml),水(1ml)依次加入试管中,60℃反应3h,结束后,反应液用乙酸乙酯萃取3次,合并有机相浓缩至干,柱层析(石油醚:乙酸乙酯=10:1)分离,产率:(46.1mg,76%)。m.p.196-197℃.1H NMR(400MHz,DMSO)δ=8.37(s,1H),7.60(dt,,J1=2.4Hz,J2=4.4Hz,3H),7.45(dd,J1=2Hz,J2=6.8Hz,2H),7.27(dt,J1=1.6Hz,J2=8.4Hz,1H),7.17(s,1H),6.75(d,J=8Hz,1H),6.70(t,J=7.6Hz,1H).13C NMR(100MHz,DMSO)δ=163.9,148.1,141.6,133.9,131.7,129.6,127.8,122.0,117.8,115.4,114.9,66.2.
实施例22:
将2-硝基苯甲腈(0.2mmol,29.6mg),四羟基二硼(0.6mmol,53.8mg),冰乙酸(0.24mmol,14.5mg),氯化亚铜(0.04mmol,4.0mg),间甲氧基苯甲醛(0.24mmol,32.6mg),甲醇(1ml),水(1ml)依次加入试管中,60℃反应3h,结束后,反应液用乙酸乙酯萃取3次,合并有机相浓缩至干,柱层析(石油醚:乙酸乙酯=10:1)分离,产率:(36.6mg,72%)。m.p.170-171℃.188-189℃.1H NMR(400MHz,DMSO)δ=8.32(s,1H),7.61(dt,J1=1.6Hz,J2=3.2Hz,1H),7.31(m,2H),7.15(s,1H),7.07(m,1H),6.92(dt,J1=1.6Hz,J2=7.6Hz,1H),6.77(dd,J1=1.2Hz,J2=8.4Hz,1H),6.76(d,J=8.4Hz,1H),6.76(t,J=7.2Hz,1H),3.76(d,J=1.6Hz,1H).13C NMR(100MHz,DMSO)δ=164.0,159.7,148.3,143.8,133.8,129.9,127.8,119.4,117.6,115.4,114.9,114.1,113.0,66.7,55.6.
实施例23:
将2-硝基苯甲腈(0.2mmol,29.6mg),四羟基二硼(0.6mmol,53.8mg),冰乙酸(0.24mmol,14.5mg),氯化亚铜(0.04mmol,4.0mg),3-甲基苯甲醛(0.24mmol,28.8mg),甲醇(1ml),水(1ml)依次加入试管中,60℃反应3h,结束后,反应液用乙酸乙酯萃取3次,合并有机相浓缩至干,柱层析(石油醚:乙酸乙酯=4:1)分离,产率:(39.0mg,82%)。m.p.206-207℃.1H NMR(400MHz,DMSO)δ=8.24(d,J=2.4Hz,1H),7.62(dd,J1=8.0Hz,J2=1.6Hz,1H),7.34(s,1H),7.28(m,2H),7.09(s,1H),7.17(dt,J1=5.6Hz,J2=2.0Hz,1H),6.76(dd,J1=8.0Hz,J2=0.8Hz,1H),6.68(dt,J1=7.6Hz,J2=1.2Hz,1H).13C NMR(100MHz,DMSO)δ=164.1,148.4,142.0,137.9,133.8,129.5,128.7,127.9,127.8,124.5,117.6,115.4,114.8,67.1,21.5.
实施例24:
将2-硝基苯甲腈(0.2mmol,29.6mg),四羟基二硼(0.6mmol,53.8mg),冰乙酸(0.24mmol,14.5mg),氯化亚铜(0.04mmol,4.0mg),呋喃甲醛(0.24mmol,23.1mg),甲醇(1ml),水(1ml)依次加入试管中,60℃反应3h,结束后,反应液用乙酸乙酯萃取3次,合并有机相浓缩至干,柱层析(石油醚:乙酸乙酯=10:1)分离,产率:(33.0mg,77%)。m.p.191-192℃.1H NMR(400MHz,DMSO)δ=8.45(s,1H),7.63(m,2H),7.24(dt,J1=1.2Hz,J2=2.8Hz,2H),6.75(dd,J1=1.2Hz,J2=8.4Hz,1H),6.69(dt,J1=1.2Hz,J2=7.6Hz,1H),6.39(dd,J1=1.6Hz,J2=3.2Hz,1H),6.27(d,J=3.2Hz,1H),5.76(t,J=2.8Hz,1H).13C NMR(100MHz,DMSO)δ=163.7,155.0,147.6,143.3,133.8,127.7,117.7,115.4,114.9,110.8,107.6,60.6.
实施例25:
将2-硝基苯甲腈(0.2mmol,29.6mg),四羟基二硼(0.6mmol,53.8mg),冰乙酸(0.24mmol,14.5mg),氯化亚铜(0.04mmol,4.0mg),2-吡啶甲醛(0.24mmol,25.7mg),甲醇(1ml),水(1ml)依次加入试管中,60℃反应3h,结束后,反应液用乙酸乙酯萃取3次,合并有机相浓缩至干,柱层析(石油醚:乙酸乙酯=10:1)分离,产率:(32.4mg,72%)。m.p.149-150℃.1H NMR(400MHz,DMSO)δ=8.76(s,1H),8.55-8.57(m,1H),7.76(dt,J1=7.6Hz,J2=2.0Hz,1H),7.62(dd,J1=8.0Hz,J2=1.2Hz,1H),7.35(dt,J1=7.6Hz,J2=0.8Hz,1H),7.27-7.30(m,1H),7.21(dt,J1=3.2Hz,J2=1.6Hz,1H),6.53-6.61(m,2H),4.48(d,J=6.0Hz,1H).13C NMR(100MHz,DMSO)δ=172.0,159.4,149.7,149.5,137.2,132.9,129.53,122.6,121.6,115.0,114.8,111.9,48.4.
实施例26:
将2-硝基苯甲腈(0.2mmol,29.6mg),四羟基二硼(0.6mmol,53.8mg),冰乙酸(0.24mmol,14.5mg),氯化亚铜(0.04mmol,4.0mg),环己基甲醛(0.24mmol,26.9mg),甲醇(1ml),水(1ml)依次加入试管中,60℃反应3h,结束后,反应液用乙酸乙酯萃取3次,合并有机相浓缩至干,柱层析(石油醚:乙酸乙酯=10:1)分离,产率:(36.8mg,80%)。m.p.170-171℃.1H NMR(400MHz,DMSO)δ=8.87(s,1H),7.57(dd,J1=1.2Hz,J2=8.4Hz,1H),7.21(t,J=7.6Hz,1H),6.75(d,J=8.0Hz,1H),6.62(t,J=7.2Hz,1H),6.55(s,1H),4.45(dd,J1=2.8Hz,J2=4.8Hz,1H),1.68(m,6H),7.15(dd,J1=9.6Hz,J2=17.6Hz,5H).13C NMR(100MHz,DMSO)δ=164.2,148.8,133.5,127.7,116.9,115.3,114.5,69.0,43.3,27.5,27.2,26.4,26.1,26.0.
实施例27:
将2-硝基苯甲腈(0.2mmol,29.6mg),四羟基二硼(0.6mmol,53.8mg),冰乙酸(0.24mmol,14.5mg),氯化亚铜(0.04mmol,4.0mg),异戊醛(0.24mmol,20.6mg),甲醇(1ml),水(1ml)依次加入试管中,60℃反应3h,结束后,反应液用乙酸乙酯萃取3次,合并有机相浓缩至干,柱层析(石油醚:乙酸乙酯=10:1)分离,产率:(30.2mg,74%)。m.p.176-177℃.1HNMR(400MHz,DMSO)δ=7.95(t,J=2.0Hz,1H),7.59(dd,J1=1.6Hz,J2=8.0Hz,1H),7.24(dd,J1=1.2Hz,J2=3.6Hz,1H),6.75(dd,J1=1.2Hz,J2=8.0Hz,1H),6.67(t,J=0.8Hz,1H),6.59(s,1H),4.72(t,J=1.6Hz,1H),1.88(m,1H),1.52(m,2H),0.89(dd,J1=1.6Hz,J2=6.4Hz,1H).13C NMR(100MHz,DMSO)δ=164.31,148.80,133.51,127.83,117.41,115.66,114.97,63.13,44.70,23.35,23.19,22.92.
实施例28:
将2-硝基苯甲腈(0.2mmol,29.6mg),四羟基二硼(0.6mmol,53.8mg),冰乙酸(0.24mmol,14.5mg),氯化亚铜(0.04mmol,4.0mg),丙酮(0.24mmol,14.0mg),甲醇(1ml),水(1ml)依次加入试管中,60℃反应3h,结束后,反应液用乙酸乙酯萃取3次,合并有机相浓缩至干,柱层析(石油醚:乙酸乙酯=4:1)分离,产率:(27.5mg,78%)。m.p.183-184℃.1H NMR(400MHz,DMSO)δ=7.95(d,J=1.2Hz,1H),7.59(dd,J1=8.0Hz,J2=1.6Hz,1H),7.21-7.25(m,1H),6.61-6.67(m,3H).13C NMR(100MHz,DMSO)δ=163.5,147.5,133.7,127.6,116.9,114.7,114.3,67.3,29.5.
实施例29:
将2-硝基苯甲腈(0.2mmol,29.6mg),四羟基二硼(0.6mmol,53.8mg),冰乙酸(0.24mmol,14.5mg),氯化亚铜(0.04mmol,4.0mg),苯乙酮(0.24mmol,28.8mg),甲醇(1ml),水(1ml)依次加入试管中,60℃反应3h,结束后,反应液用乙酸乙酯萃取3次,合并有机相浓缩至干,柱层析(石油醚:乙酸乙酯=4:1)分离,产率:(33.8mg,71%)。m.p.222-223℃.1HNMR(400MHz,DMSO)δ=8.79(d,J=1.6Hz,1H),7.65(d,J=1.6Hz,1H),7.48-7.52(m,3H),7.28(dt,J1=9.2Hz,J2=2.0Hz,2H),7.19-7.24(m,2H),6.78(dd,J1=8.0Hz,J2=0.8Hz,1H),6.58(dt,J1=7.6Hz,J2=1.2Hz,1H),1.65(s,3H).13C NMR(100MHz,DMSO)δ=164.3,148.1,147.6,133.8,128.4,127.7,127.5,125.6,117.3,115.5,114.7,70.6,31.2.
实施例30:
将4-氯-2-硝基苯甲腈(0.2mmol,36.5mg),四羟基二硼(0.6mmol,53.8mg),冰乙酸(0.24mmol,14.5mg),氯化亚铜(0.04mmol,4.0mg),苯甲醛(0.24mmol,25.4mg),甲醇(1ml),水(1ml)依次加入试管中,60℃反应3h,结束后,反应液用乙酸乙酯萃取3次,合并有机相浓缩至干,柱层析(石油醚:乙酸乙酯=4:1)分离,产率:(42.4mg,82%)。m.p.199-200℃.1HNMR(400MHz,DMSO)δ=8.44(d,J=2.4Hz,1H),7.62(d,J=8.4Hz,1H),7.49-7.51(m,2H),7.38-7.44(m,4H),6.80(d,J=2.0Hz,1H),6.70(dd,J1=8.4Hz,J2=2.0Hz,1H),5.82(d,J=2.0Hz,1H).13C NMR(100MHz,DMSO)δ=163.2,149.2,141.8,138.3,129.8,129.1,128.9,127.2,117.5,114.1,113.9,66.9.
实施例31:
将4-甲基-2-硝基苯甲腈(0.2mmol,32.4mg),四羟基二硼(0.6mmol,53.8mg),冰乙酸(0.24mmol,14.5mg),氯化亚铜(0.04mmol,4.0mg),苯甲醛(0.24mmol,25.4mg),甲醇(1ml),水(1ml)依次加入试管中,60℃反应3h,结束后,反应液用乙酸乙酯萃取3次,合并有机相浓缩至干,柱层析(石油醚:乙酸乙酯=4:1)分离,产率:(34.8mg,73%)。m.p.152-153℃.1H NMR(400MHz,DMSO)δ=8.22(d,J=2.4Hz,1H),7.62(dt,J1=7.6Hz,J2=1.2Hz,3H),7.42-7.35(m,3H),6.56(t,J=1.2Hz,1H),6.50(dd,J1=8.0Hz,J2=1.6Hz,1H),5.72(d,J=2.0Hz,1H),2.21(s,3H).13C NMR(100MHz,DMSO)δ=164.1,148.3,143.8,142.3,128.9,128.8,127.9,127.2,118.9,114.8,113.1,67.0,21.9.
实施例32:
将4-氟-2-硝基苯甲腈(0.2mmol,33.2mg),四羟基二硼(0.6mmol,53.8mg),冰乙酸(0.24mmol,14.5mg),氯化亚铜(0.04mmol,4.0mg),苯甲醛(0.24mmol,25.4mg),甲醇(1ml),水(1ml)依次加入试管中,60℃反应3h,结束后,反应液用乙酸乙酯萃取3次,合并有机相浓缩至干,柱层析(石油醚:乙酸乙酯=4:1)分离,产率:(45.0mg,93%)。m.p.202-203℃.1HNMR(400MHz,DMSO)δ=8.35(s,1H),7.66(dd,J1=8.8Hz,J2=6.8Hz,1H),7.48-7.51(m,2H),7.35-7.44(m,4H),6.46-6.53(m,2H),5.81(t,J=1.6Hz,1H).13C NMR(100MHz,DMSO)δ=167.3,164.8,163.2,150.1,141.8,130.8,130.7,129.0,128.9,127.2,112.1,105.0,104.8,100.6,100.4,67.1.
Claims (5)
1.二氢喹唑啉酮类化合物的制备方法,其特征在于:将邻硝基苯甲腈I,硼试剂,酸或碱,金属或金属盐,醛或酮II及溶剂加入反应试剂中,60℃下反应3h-12h,反应结束后乙酸乙酯萃取、有机相合并浓缩,柱层析分离即可得到目标产物III,具体反应方程式如下:所述的溶剂为水、甲醇以体积比为1:1的混合物;
所述的硼试剂为四羟基二硼、频那醇硼烷、儿萘酚硼烷、联硼酸新戊二醇酯、双(频哪醇合)二硼中的任意一种;所述的酸为乙酸;所述的碱为磷酸钾;
所述的金属盐为氯化亚铜、氯化锌、醋酸锌、氯化亚铁中的任意一种;
所述的R1为氢、C1-C10烷基、C1-C10烷基氧基、C3-C10环烷基、C1-C10烷基氨基、卤代烷基、卤素、羟基、氨基、硝基、氰基、芳基中的任意一种;
所述的R2为氢、C1-C10烷基、C1-C10烷基氧基、卤代烷基、C3-C10环烷基、C1-C10烷基氨基、芳基中的任意一种;
所述的R3为氢、C1-C10烷基、C1-C10烷基氧基、卤代烷基、C3-C10环烷基、C1-C10烷基氨基、芳基中的任意一种。
2.根据权利要求1所述的二氢喹唑啉酮类化合物的制备方法,其特征在于:邻硝基苯甲腈I,硼试剂,酸或碱,金属或金属盐,醛或酮II中各物料的摩尔比为0.1-0.5:0.8-1.5:0.1-0.4:0.01-0.05:0.1-0.4。
3.根据权利要求1所述的二氢喹唑啉酮类化合物的制备方法,其特征在于:所述的金属盐为氯化亚铜。
5.二氢喹唑啉酮类化合物的制备方法,其特征在于:将2-硝基苯甲腈,硼试剂,酸或碱,金属或金属盐,醛及溶剂加入反应试剂中,60℃下反应3h-12h,反应结束后乙酸乙酯萃取、有机相合并浓缩,柱层析分离即可得到目标产物二氢喹唑啉酮类化合物,
所述的溶剂为水、甲醇以体积比为1:1的混合物;
所述的硼试剂为四羟基二硼、频那醇硼烷、儿萘酚硼烷、联硼酸新戊二醇酯、双(频哪醇合)二硼中的任意一种;所述的酸为乙酸;所述的碱为磷酸钾;
所述的金属盐为氯化亚铜、氯化锌、醋酸锌、氯化亚铁中的任意一种;
所述的醛为2-溴苯甲醛、间溴苯甲醛、对溴苯甲醛、间甲氧基苯甲醛、3-甲基苯甲醛、呋喃甲醛、2-吡啶甲醛中的任意一种;
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