CN107082761B - Phenanthridinone or benzophenanthridinone derivative and synthesis method thereof - Google Patents

Phenanthridinone or benzophenanthridinone derivative and synthesis method thereof Download PDF

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CN107082761B
CN107082761B CN201710250419.6A CN201710250419A CN107082761B CN 107082761 B CN107082761 B CN 107082761B CN 201710250419 A CN201710250419 A CN 201710250419A CN 107082761 B CN107082761 B CN 107082761B
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phenanthridinone
methoxy
benzophenanthridinone
derivative
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CN107082761A (en
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陈雅丽
赵岩
刘伟
乔猛男
朱兆栋
宋晓忆
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Beijing Transpacific Technology Development Ltd
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    • C07D221/02Heterocyclic compounds containing six-membered rings having one nitrogen atom as the only ring hetero atom, not provided for by groups C07D211/00 - C07D219/00 condensed with carbocyclic rings or ring systems
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    • C07F7/08Compounds having one or more C—Si linkages
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    • C07F7/08Compounds having one or more C—Si linkages
    • C07F7/0834Compounds having one or more O-Si linkage
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Abstract

The invention relates to a phenanthridinone or benzophenanthridinone derivative and a synthesis method thereof. TheThe compounds have the following structure:
Figure DEST_PATH_IMAGE002
wherein R is methoxyl, methyl, hydrogen, chlorine and nitryl. Theoretically, the method is subjected to palladium catalytic coupling reaction, provides a new synthetic idea for constructing a phenanthridinone or benzophenanthridinone framework, and enriches the synthetic method of the organic heterocyclic compound. According to performance test analysis, the phenanthridinone or benzophenanthridinone derivative has certain photoelectric performance, and part of compounds have better quantum yield, so that the phenanthridinone or benzophenanthridinone derivative is an organic luminescent material with potential application value.

Description

Phenanthridinone or benzophenanthridinone derivative and synthesis method thereof
Technical Field
The invention relates to a fused heterocyclic compound phenanthridinone or benzophenanthridinone derivative and a synthesis method thereof.
Background
Phenanthridinone is an important heterocyclic compound, and the structural unit of phenanthridinone widely exists in a plurality of natural products and bioactive medicine intermediates[1]The compounds have potential biological activity, including anticancer antibacterial, antiviral efficacy and anti-cytotoxicity[2]PARP inhibitor as anticancer agent[3]In addition, they can be used as HIV-1 integrase inhibitors[4]
The traditional method for synthesizing phenanthridinone mainly comprises the steps of cyclization reaction of a biphenylcarbonyl nitro compound and Beckmann/Schmidt rearrangement of fluorenone[5]And the like. Recently, o-bromobenzamide is subjected to coupling reaction under palladium catalysis to synthesize phenanthridinone, and benzyne and benzamide derivatives are subjected to reaction under palladium catalysis to simultaneously construct C-C/C-N bond to phenanthridinone[6]. At present, we find that, under the catalysis of palladium, benzyne or naphtyne respectively reacts with N-methoxy-4-substituted benzamide derivatives through C-H/N-H bond activation and cyclization reaction to synthesize phenanthridinone or benzophenanthridinone derivatives.
Disclosure of Invention
The invention aims to provide a phenanthridinone or benzophenanthridinone derivative.
The second purpose of the invention is to provide a preparation method and photoelectric properties of the derivatives.
In order to achieve the purpose, the reaction process of the invention is as follows:
benzo-bis (oxydisilocene) (1) or oxydisilenaphthalene (7) reacts with iodobenzene diacetate and trifluoromethanesulfonic acid to generate phenyl [ o- (hydroxydimethylsilyl) oxydisilenyl fused phenyl]Triflic acid iodide (2) or phenyl [ o- (hydroxydimethylsilyl) naphthyl]Triflic acid iodide (8). Under reflux, N-methoxy-4-substituted benzamide 4a-e, cesium fluoride (CsF), palladium acetate (Pd (OAc))2) Tetrabutylammonium bromide (TBAB), copper acetate (Cu (OAc)2) Firstly, a benzyne intermediate 3 or a naphthylyne intermediate 9 is generated and immediately reacts with N-methoxy-4-substituted benzamide 4a-e to generate oxydisilicophenanthridinone derivatives 5a-e and dioxotrisilylphenanthridinone derivatives 6a-d, and the total yield is 48-70%; or benzophenanthridinone derivatives 10a-e, with a yield of 52-83%. The specific reaction equation is as follows:
Figure BDA0001271943100000021
according to the reaction mechanism, the invention adopts the following technical scheme:
a fused heterocyclic compound phenanthridinone or benzophenanthridinone derivative, characterized in that the compound has one of the following structures: (1)
Figure BDA0001271943100000022
(2)
Figure BDA0001271943100000023
wherein R is methoxy, methyl, hydrogen, chlorine or nitro;
a method for preparing the phenanthridinone or benzophenanthridinone derivative, characterized in that the method comprises the following steps:
a. under the protection of inert gas nitrogen and under the condition of ice-water bath, adding trifluoromethanesulfonic acid into a dichloromethane solution of iodobenzene diacetate, reacting for 0.5-1 hour in ice-water bath, and reacting for 1-2 hours at room temperature; adding the reaction solution into a cooled dichloromethane solution of benzo-bis (oxadisilylone) or oxadisilyl naphthalene under the condition of ice-water bath, continuing ice-water bath reaction for 0.5-1 hour, reacting at room temperature for 3-4 hours, extracting with dichloromethane, washing with water, drying and removing the solvent by spinning to obtain phenyl [ o- (hydroxy dimethyl silicon) oxadisilyl condensed phenyl]Triflic acid iodide or phenyl [ o- (hydroxydimethylsilyl) naphthyl)]Triflic acid iodide, the structural formula of which is respectively:
Figure BDA0001271943100000031
the structural formula of the iodobenzene diacetate is as follows: PhI (OAc)2
The structural formula of the benzo-bis (oxydisilocene) is as follows:
Figure BDA0001271943100000032
the structural formula of the oxydisilyl naphthalene is as follows:
Figure BDA0001271943100000033
b. in N2Protecting the phenyl [ o- (hydroxydimethylsilyl) oxydisilyl condensed phenyl obtained in the step a]Triflic acid iodide or phenyl [ o- (hydroxydimethylsilyl) naphthyl)]Adding acetonitrile solution of triflurosulfonic acid iodide into acetonitrile solution of N-methoxy-4-substituted benzamide derivative, cesium fluoride, palladium acetate, copper acetate and tetrabutylammonium bromide in batches, carrying out reflux reaction for 2 hours, separating and purifying to obtain solid silicon oxide-based phenanthridinone, silicon dioxide trisilico phenanthridinone or benzophenanthridinone derivative, wherein the structural formulas of the solid silicon oxide-based phenanthridinone, the silicon dioxide-based phenanthridinone or the benzophenanthridinone derivative are respectively as follows:
Figure BDA0001271943100000034
said N-methoxy-4-substitutionThe structural formula of the benzamide derivative is as follows:
Figure BDA0001271943100000035
the molar ratio of the diacetate iodide salt, the trifluoromethanesulfonic acid, the benzobis (oxydisilocene) or the oxydisinylnaphthalene, the N-methoxy-4-substituted benzamide derivative, the cesium fluoride, the copper acetate, the tetrabutylammonium bromide and the palladium acetate is as follows: 1.0-1.5: 2.5-3.0: 1.0-1.2: 0.5: 2.5-3.0: 1.0-1.5: 0.5-1.0: 0.02-0.03.
The method takes benzobis (oxydisilocene) or oxydisinglianylene as an aryne precursor, forms benzyne and naphthone at room temperature, and further reacts with N-methoxy-4-substituted benzamide derivative to generate oxydisisilicyl phenanthridinone, dioxo-trisilylphenanthridinone or benzophenanthridinone derivative. The synthesis method has the advantages of high reaction speed, mild reaction conditions, environmental friendliness and the like.
Theoretically, the method is subjected to palladium catalytic coupling reaction, provides a new synthetic idea for constructing a phenanthridinone or benzophenanthridinone framework, and enriches the synthetic method of the organic heterocyclic compound.
According to performance test analysis, the phenanthridinone or benzophenanthridinone derivative has certain photoelectric properties (shown in figures 1-4 and tables 1-2), and a part of compounds have better quantum yield, so that the phenanthridinone or benzophenanthridinone derivative is an organic luminescent material with potential application value.
Drawings
FIG. 1 absorption spectra of compounds 5a-e in dichloromethane solvent;
FIG. 2 absorption spectra of compounds 10a-e in dichloromethane solvent;
FIG. 3 emission spectra of compounds 5a-e in dichloromethane solvent;
FIG. 4 emission spectra of compounds 10a-e in dichloromethane solvent.
Detailed Description
The first embodiment is as follows:
iodobenzene diacetate (1.0 to 1.5eq), trifluoromethanesulfonic acid (2.5 to 3.0eq), benzobis (oxydisilocene) (1,1.0 to 1.2eq), N-methoxy-4-methoxybenzamide (4a,0.5eq), cesium fluoride (2.5 to 3.0eq), copper acetate (1.0 to 1.5eq), tetrabutylammonium bromide (0.5 to 1.0eq), palladium acetate (0.02 to 0.03eq), and the obtained phenanthridinone derivative is: 2, 3-oxydisilyl-5, 9-methoxy-6-phenanthridinone (5a) and 2, 3-dioxotrisilyl-5, 9-dimethoxy-6-phenanthridinone (6a), in a total yield of 65% (5 a: 63%, 6a: 2%). The structure of the compound is as follows:
Figure BDA0001271943100000041
5a molecular formula: c19H23NO4Si2
Chinese naming: 2, 3-oxydisilyl-5, 9-dimethoxy-6-phenanthridinone
English naming: 2, 3-oxadiliole-5, 9-dimethoxy-6(5H) -phenylanthridinone
Molecular weight: 385.12
Melting point: 167 ℃ F. & 168 ℃ C. (R.)
Appearance: yellow powder
Hydrogen nuclear magnetic resonance spectroscopy:1H NMR(500MHz,CDCl3):δ0.45(s,12H,SiMe2),4.02(s,3H,OCH3),4.14(s,3H,OCH3),7.18(dd,J=9.0,2.0Hz,1H,Ar-H),7.73(d,J=2.0Hz,1H,Ar-H),7.82(s,1H,Ar-H),8.35(s,1H,Ar-H),8.49(d,J=9.0Hz,1H,Ar-H)ppm.
nuclear magnetic resonance carbon spectrum:13C NMR(125MHz,CDCl3):δ1.0,1.3,55.7,62.7,105.3,114.6,115.8,119.1,120.0,125.5,130.7,134.9,136.8,141.4,150.5,157.2,163.2ppm.
6a molecular formula: c21H29NO5Si3
Chinese naming: 2, 3-dioxo-trisilyl-5, 9-dimethoxy-6-phenanthridinone
English naming: 2, 3-dioxaristolone-5, 9-dimethoxy-6(5H) -phenylanthridinone
Molecular weight: 459.14
Melting point: 163 ℃ 164-
Appearance: yellow powder
Hydrogen nuclear magnetic resonance spectroscopy:1H NMR(500MHz,CDCl3):δ0.15(s,6H,SiMe2),0.50(s,6H,SiMe2),0.51(s,6H,SiMe2),4.01(s,3H,OCH3),4.13(s,3H,OCH3),7.18(dd,J=9.0,2.0Hz,1H,Ar-H),7.67(d,J=2.0Hz,1H,Ar-H),7.81(s,1H,Ar-H),8.33(s,1H,Ar-H),8.50(d,J=9.0Hz,1H,Ar-H)ppm.
nuclear magnetic resonance carbon spectrum:13C NMR(125MHz,CDCl3):δ0.7,1.9,2.1,55.6,62.7,105.5,115.2,117.5,117.9,120.2,128.6,130.9,135.6,139.3,148.7,152.7,157.2,163.1ppm.
example two:
iodobenzene diacetate (1.0 to 1.5eq), trifluoromethanesulfonic acid (2.5 to 3.0eq), benzobis (oxydisilocene) (1,1.0 to 1.2eq), N-methoxy-4-methylbenzamide (4b,0.5eq), cesium fluoride (2.5 to 3.0eq), copper acetate (1.0 to 1.5eq), tetrabutylammonium bromide (0.5 to 1.0eq), palladium acetate (0.02 to 0.03eq), and the obtained phenanthridinone derivative is: 2, 3-oxydisilyl-5-methoxy-9-methyl-6-phenanthridinone (5b) and 2, 3-dioxotrisilyl-5-methoxy-9-methyl-6-phenanthridinone (6b), in a total yield of 70% (5 b: 60%, 6b: 10%). The structure of the compound is as follows:
Figure BDA0001271943100000051
5b, molecular formula: c19H23NO3Si2
Chinese naming: 2, 3-oxydisilyl-5-methoxy-9-methyl-6-phenanthridinone
English naming: 2, 3-oxadilole-5-methoxy-9-methyl-6 (5H) -phenylanthridinone
Molecular weight: 369.12
Melting point: 161-162 deg.C
Appearance: yellow powder
Hydrogen nuclear magnetic resonance spectroscopy:1H NMR(500MHz,CDCl3):δ0.45(s,6H,SiMe2),0.46(s,6H,SiMe2),2.60(s,3H,CH3),4.15(s,3H,OCH3),7.43(dd,J=8.0,0.5Hz,1H,Ar-H),7.83(s,1H,Ar-H),8.16(s,1H,Ar-H),8.44-8.45(m,2H,Ar-H)ppm.
nuclear magnetic resonance carbon spectrum:13C NMR(125MHz,CDCl3):δ1.0,1.3,22.1,62.7,114.5,119.3,122.0,124.1,
125.5,128.5,129.7,132.9,136.5,141.5,143.3,150.2,157.4ppm.
6b molecular formula: c21H29NO4Si3
Chinese naming: 2, 3-dioxo-trisilyl-5-methoxy-9-methyl-6-phenanthridinone
English naming: 2, 3-dioxaristolone-5-methoxy-9-methyl-6 (5H) -phenylanthridinone
Molecular weight: 443.14
Melting point: 158 ℃ to 159 DEG C
Appearance: yellow powder
Hydrogen nuclear magnetic resonance spectroscopy:1H NMR(500MHz,CDCl3):δ0.16(s,6H,SiMe2),0.51(s,6H,SiMe2),0.53(s,6H,SiMe2),2.59(s,3H,CH3),4.14(s,3H,OCH3),7.42(d,J=8.0Hz,1H,Ar-H),7.82(s,1H,Ar-H),8.06(s,1H,Ar-H),8.40(s,1H,Ar-H),8.44(d,J=8.0Hz,1H,Ar-H)ppm.
nuclear magnetic resonance carbon spectrum:13C NMR(125MHz,CDCl3):δ0.7,1.9,2.2,22.2,62.7,117.7,117.9,121.7,124.4,128.5,128.6,129.7,132.7,135.3,139.4,143.3,148.3,157.3ppm.
example three:
iodobenzene diacetate (1.0 to 1.5eq), trifluoromethanesulfonic acid (2.5 to 3.0eq), benzobis (oxydisilocene) (1,1.0 to 1.2eq), N-methoxybenzamide (4c,0.5eq), cesium fluoride (2.5 to 3.0eq), copper acetate (1.0 to 1.5eq), tetrabutylammonium bromide (0.5 to 1.0eq), palladium acetate (0.02 to 0.03eq), and the obtained phenanthridinone derivative is: 2, 3-oxydisilyl-5-methoxy-6-phenanthridinone (5c) and 2, 3-dioxotrisilyl-5-methoxy-6-phenanthridinone (6c) in a total yield of 60% (5 c: 50%, 6c: 10%). The structure of the compound is as follows:
Figure BDA0001271943100000071
5c, molecular formula: c18H21NO3Si2
Chinese naming: 2, 3-oxydisilyl-5-methoxy-6-phenanthridinone
English naming: 2, 3-oxadilole-5-methoxy-6 (5H) -phenylanthridinone
Molecular weight: 355.11
Melting point: 148 ℃ 149 DEG C
Appearance: yellow powder
Hydrogen nuclear magnetic resonance spectroscopy:1H NMR(500MHz,CDCl3):δ0.449(s,6H,SiMe2),0.454(s,6H,SiMe2),4.16(s,3H,OCH3),7.62(t,J=7.5Hz,1H,Ar-H),7.80(t,J=7.5Hz,1H,Ar-H),7.85(s,1H,Ar-H),8.40(d,J=8.5Hz,1H,Ar-H),8.47(s,1H,Ar-H),8.57(d,J=7.5Hz,1H,Ar-H)ppm.
nuclear magnetic resonance carbon spectrum:13CNMR(125MHz,CDCl3):δ1.0,1.3,62.7,114.5,119.4,122.0,125.6,126.4,128.3,128.6,132.6,133.0,136.4,141.6,150.4,157.3ppm.
6c, molecular formula: c20H27NO4Si3
Chinese naming: 2, 3-dioxo-trisilyl-5-methoxy-6-phenanthridinone
English naming: 2, 3-dioxaristolone-5-methoxy-6 (5H) -phenylanthridinone
Molecular weight: 429.12
Melting point: 150 ℃ 151-
Appearance: yellow powder
Hydrogen nuclear magnetic resonance spectroscopy:1H NMR(500MHz,CDCl3):δ0.16(s,6H,SiMe2),0.51(s,6H,SiMe2),0.53(s,6H,SiMe2),4.15(s,3H,OCH3),7.62(t,J=7.5Hz,1H,Ar-H),7.80(t,J=7.5Hz,1H,Ar-H),7.84(s,1H,Ar-H),8.32(d,J=8.0Hz,1H,Ar-H),8.44(s,1H,Ar-H),8.56(d,J=8.0Hz,1H,Ar-H)ppm.
nuclear magnetic resonance carbon spectrum:13C NMR(125MHz,CDCl3):δ0.7,1.9,2.1,62.7,117.8,117.9,121.8,126.6,128.3,128.60,128.61,132.7,135.2,138.2,139.7,148.5,157.3ppm.
example four:
iodobenzene diacetate (1.0 to 1.5eq), trifluoromethanesulfonic acid (2.5 to 3.0eq), benzobis (oxydisillocene) (1,1.0 to 1.2eq), N-methoxy-4-chlorobenzamide (4d,0.5eq), cesium fluoride (2.5 to 3.0eq), copper acetate (1.0 to 1.5eq), tetrabutylammonium bromide (0.5 to 1.0eq), palladium acetate (0.02 to 0.03eq), and the obtained phenanthridinone derivative is: 2, 3-oxydisilyl-5-methoxy-9-chloro-6-phenanthridinone (5d) and 2, 3-dioxotrisilyl-5-methoxy-9-chloro-6-phenanthridinone (6d), in a total yield of 52% (5 d: 48%, 6d: 4%). The structure of the compound is as follows:
Figure BDA0001271943100000081
5d, molecular formula: c18H20ClNO3Si2
Chinese naming: 2, 3-oxydisilyl-5-methoxy-9-chloro-6-phenanthridinone
English naming: 2, 3-oxadilole-5-methoxy-9-chloro-6 (5H) -phenylanthridinone
Molecular weight: 389.07
Melting point: 155 ℃ and 156 DEG C
Appearance: yellow powder
Hydrogen nuclear magnetic resonance spectroscopy:1H NMR(500MHz,CDCl3):δ0.46(s,12H,SiMe2),4.15(s,3H,OCH3),7.54(d,J=8.0Hz,1H,Ar-H),7.84(s,1H,Ar-H),8.33(s,1H,Ar-H),8.36(s,1H,Ar-H),8.48(d,J=7.5Hz,1H,Ar-H)ppm.
nuclear magnetic resonance carbon spectrum:13C NMR(125MHz,CDCl3):δ1.0,1.2,62.8,114.6,118.1,121.9,124.8,125.6,128.6,130.3,134.5,136.7,139.5,142.0,151.4,156.7ppm.
6d, molecular formula: c20H26ClNO4Si3
Chinese naming: 2, 3-dioxo-trisilyl-5-methoxy-9-chloro-6-phenanthridinone
English naming: 2, 3-dioxaristolone-5-methoxy-9-chloro-6 (5H) -phenylanthridinone
Molecular weight: 463.09
Melting point: 153 ℃ C. -
Appearance: yellow powder
Hydrogen nuclear magnetic resonance spectroscopy:1H NMR(500MHz,CDCl3):δ0.16(s,6H,SiMe2),0.51(s,6H,SiMe2),0.53(s,6H,SiMe2),4.14(s,3H,OCH3),7.56(dd,J=8.5,1.5Hz,1H,Ar-H),7.83(s,1H,Ar-H),8.22(d,J=1.5Hz,1H,Ar-H),8.31(s,1H,Ar-H),8.49(d,J=8.5Hz,1H,Ar-H)ppm.
nuclear magnetic resonance carbon spectrum:13C NMR(125MHz,CDCl3):δ0.7,1.9,2.2,62.8,116.7,118.0,121.7,125.0,128.6,128.7,130.4,134.2,135.6,139.6,140.1,149.6,156.7ppm.
example five:
iodobenzene diacetate (1.0 to 1.5eq), trifluoromethanesulfonic acid (2.5 to 3.0eq), benzobis (oxydisillocene) (1,1.0 to 1.2eq), N-methoxy-4-nitrobenzamide (4e,0.5eq), cesium fluoride (2.5 to 3.0eq), copper acetate (1.0 to 1.5eq), tetrabutylammonium bromide (0.5 to 1.0eq), palladium acetate (0.02 to 0.03eq), and the obtained phenanthridinone derivative is: 2, 3-oxydisilyl-5-methoxy-9-nitro-6-phenanthridinone (5e), yield 48%. The structure of the compound is as follows:
Figure BDA0001271943100000091
5e molecular formula: c18H20N2O5Si2
Chinese naming: 2, 3-oxydisilyl-5-methoxy-9-nitro-6-phenanthridinone
English naming: 2, 3-oxadilole-5-methoxy-9-nitro-6 (5H) -phenylanthridinone
Molecular weight: 400.09
Melting point: 163 ℃ 164-
Appearance: yellow powder
Hydrogen nuclear magnetic resonance spectroscopy:1H NMR(500MHz,CDCl3):δ0.47(s,6H,SiMe2),0.49(s,6H,SiMe2),4.19(s,3H,OCH3),7.88(s,1H,Ar-H),8.39(dd,J=9.0,2.0Hz,1H,Ar-H),8.50(s,1H,Ar-H),8.75(d,J=9.0Hz,1H,Ar-H),9.23(d,J=2.0Hz,1H,Ar-H)ppm.
nuclear magnetic resonance carbon spectrum:13C NMR(125MHz,CDCl3):δ1.0,1.3,62.9,114.8,117.9,118.0,121.9,126.0,130.4,130.7,134.3,136.8,142.8,150.5,152.6,155.9ppm.
example six:
iodobenzene diacetate (1.0 to 1.5eq), trifluoromethanesulfonic acid (2.5 to 3.0eq), oxydosilylnaphthalene (7,1.0 to 1.2eq), N-methoxy-4-methoxybenzamide (4a,0.5eq), cesium fluoride (2.5 to 3.0eq), copper acetate (1.0 to 1.5eq), tetrabutylammonium bromide (0.5 to 1.0eq), palladium acetate (0.02 to 0.03eq), and the obtained phenanthridinone derivative is: 2, 6-dimethoxy-5-benzophenanthridinone (10a), yield 60%. The structure of the compound is as follows:
Figure BDA0001271943100000101
10a molecular formula: c19H15NO3
Chinese naming: 2, 6-dimethoxybenzo-5-phenanthridinone
English naming: 2, 6-dimethoxybenzoic [ b ] phenonthridin-5 (6H) -one
Molecular weight: 305.11
Melting point: 170 ℃ C
Appearance: yellow powder
Hydrogen nuclear magnetic resonance spectroscopy:1H NMR(500MHz,CDCl3):δ4.04(s,3H,OCH3),4.19(s,3H,OCH3),7.16-7.18(m,1H,Ar-H),7.48(t,J=7.5Hz,1H,Ar-H),7.56(t,J=8.0Hz,1H,Ar-H),7.79(d,J=1.5,1H,Ar-H),7.93(d,J=8.0Hz,1H,Ar-H),7.97-7.99(m,2H,Ar-H),8.48(d,J=9.0Hz,1H,Ar-H),8.66(s,1H,Ar-H)ppm.
nuclear magnetic resonance carbon spectrum:13C NMR(125MHz,CDCl3):δ55.7,62.5,105.7,108.6,115.8,119.1,119.7,123.0,125.2,127.3,127.5,128.2,129.3,130.9,133.9,134.0,134.7,157.2,163.2ppm.
example seven:
iodobenzene diacetate (1.0 to 1.5eq), trifluoromethanesulfonic acid (2.5 to 3.0eq), oxydosilylnaphthalene (7,1.0 to 1.2eq), N-methoxy-4-methylbenzamide (4b,0.5eq), cesium fluoride (2.5 to 3.0eq), copper acetate (1.0 to 1.5eq), tetrabutylammonium bromide (0.5 to 1.0eq), palladium acetate (0.02 to 0.03eq), and the obtained phenanthridinone derivative is: 2-methyl-6-methoxy-5-benzophenanthridinone (10b), yield 76%. The structure of the compound is as follows:
Figure BDA0001271943100000102
10b molecular formula: c19H15NO2
Chinese naming: 2-methyl-6-methoxy-5-benzophenanthridinone
English naming: 2-Methyl-6-methoxy benzob ] phenanthridin-5(6H) -one
Molecular weight: 289.11
Melting point: 189 deg.C, 191 deg.C
Appearance: yellow powder
Hydrogen nuclear magnetic resonance spectroscopy:1H NMR(500MHz,CDCl3):δ2.61(s,3H,CH3),4.20(s,3H,OCH3),7.44(d,J=8.0Hz,1H,Ar-H),7.49(t,J=8.0Hz,1H,Ar-H),7.56(t,J=7.5Hz,1H,Ar-H),7.94(d,J=8.0Hz,1H,Ar-H),7.98(d,J=8.0Hz,1H,Ar-H),8.00(s,1H,Ar-H),8.23(s,1H,Ar-H),8.44(d,J=8.5Hz,1H,Ar-H),8.74(s,1H,Ar-H)ppm.
nuclear magnetic resonance carbon spectrum:13C NMR(125MHz,CDCl3):δ22.2,62.5,108.6,119.3,122.4,122.9,123.9,125.2,127.3,127.4,128.2,128.7,129.4,129.8,132.8,133.7,133.8,143.4,157.4ppm.
example eight:
iodobenzene diacetate (1.0 to 1.5eq), trifluoromethanesulfonic acid (2.5 to 3.0eq), oxydosilylnaphthalene (7,1.0 to 1.2eq), N-methoxybenzamide (4c,0.5eq), cesium fluoride (2.5 to 3.0eq), copper acetate (1.0 to 1.5eq), tetrabutylammonium bromide (0.5 to 1.0eq), palladium acetate (0.02 to 0.03eq), and the obtained phenanthridinone derivative is: 6-methoxy-5-benzophenanthridinone (10c), yield 83%. The structure of the compound is as follows:
Figure BDA0001271943100000111
10c molecular formula: c18H13NO2
Chinese naming: 6-methoxy-5-benzophenanthridinone
English naming: 6-Methoxy benzol [ b ] phenoanthridin-5 (6H) -one
Molecular weight: 275.09
Melting point: 153 ℃ C. -
Appearance: yellow powder
Hydrogen nuclear magnetic resonance spectroscopy:1H NMR(500MHz,CDCl3):δ4.20(s,3H,OCH3),7.47-7.50(m,1H,Ar-H),7.54-7.57(m,1H,Ar-H),7.60-7.63(m,1H,Ar-H),7.78-7.81(m,1H,Ar-H),7.92(d,J=8.5Hz,1H,Ar-H),7.96(d,J=8.5Hz,1H,Ar-H),7.99(s,1H,Ar-H),8.41(d,J=8.0Hz,1H,Ar-H),8.54-8.56(m,1H,Ar-H),8.71(s,1H,Ar-H)ppm.
nuclear magnetic resonance carbon spectrum:13C NMR(125MHz,CDCl3):δ62.5,108.6,119.3,122.2,123.0,125.3,126.2,127.3,127.5,128.2,128.4,128.7,129.4,132.7,132.8,133.6,133.7,157.3ppm.
example nine:
iodobenzene diacetate (1.0 to 1.5eq), trifluoromethanesulfonic acid (2.5 to 3.0eq), oxydosilylnaphthalene (7,1.0 to 1.2eq), N-methoxy-4-chlorobenzamide (4d,0.5eq), cesium fluoride (2.5 to 3.0eq), copper acetate (1.0 to 1.5eq), tetrabutylammonium bromide (0.5 to 1.0eq), palladium acetate (0.02 to 0.03eq), and the obtained phenanthridinone derivative is: 2-chloro-6-methoxy-5-benzophenanthridinone (10d), yield 63%. The structure of the compound is as follows:
Figure BDA0001271943100000121
10d, molecular formula: c18H12ClNO2
Chinese naming: 2-chloro-6-methoxy-5-benzophenanthridinone
English naming: 2-Chloro-6-methoxy-benzob ] phenanthridin-5(6H) -one
Molecular weight: 309.06
Melting point: 177 temperature 178 ℃ C
Appearance: yellow powder
Hydrogen nuclear magnetic resonance spectroscopy:1H NMR(500MHz,CDCl3):δ4.21(s,3H,OCH3),7.51(t,J=7.5Hz,1H,Ar-H),7.56-7.61(m,2H,Ar-H),7.95(d,J=8.0Hz,1H,Ar-H),7.99(d,J=10.0Hz,1H,Ar-H),8.01(s,1H,Ar-H),8.39(d,J=1.5Hz,1H,Ar-H),8.49(d,J=8.5Hz,1H,Ar-H),8.68(s,1H,Ar-H)ppm.
nuclear magnetic resonance carbon spectrum:13C NMR(125MHz,CDCl3):δ62.6,108.9,118.1,122.2,123.4,124.6,125.6,127.4,127.9,128.3,128.8,129.4,130.5,133.7,134.1,134.4,139.6,156.7ppm.
example ten:
iodobenzene diacetate (1.0 to 1.5eq), trifluoromethanesulfonic acid (2.5 to 3.0eq), oxydosilylnaphthalene (7,1.0 to 1.2eq), N-methoxy-4-nitrobenzamide (4e,0.5eq), cesium fluoride (2.5 to 3.0eq), copper acetate (1.0 to 1.5eq), tetrabutylammonium bromide (0.5 to 1.0eq), palladium acetate (0.02 to 0.03eq), and the obtained phenanthridinone derivative is: 2-nitro-6-methoxy-5-benzophenanthridinone (10e), yield 52%. The structure of the compound is as follows:
Figure BDA0001271943100000131
10e molecular formula: c18H12N2O4
Chinese naming: 2-nitro-6-methoxy-5-benzophenanthridinone
English naming: 2-Nitro-6-methoxy benzob ] phenanthridin-5(6H) -one
Molecular weight: 320.08
Melting point: 201-
Appearance: yellow powder
Hydrogen nuclear magnetic resonance spectroscopy:1H NMR(500MHz,CDCl3):δ4.23(s,3H,OCH3),7.55(t,J=7.5Hz,1H,Ar-H),7.62(t,J=8.0Hz,1H,Ar-H),7.95(d,J=8.5Hz,1H,Ar-H),8.02(s,1H,Ar-H),8.03(s,1H,Ar-H),8.35(dd,J=8.5,1.5Hz,1H,Ar-H),8.70(d,J=8.5Hz,1H,Ar-H),8.78(s,1H,Ar-H),9.22(d,J=1.5Hz,1H,Ar-H)ppm.
nuclear magnetic resonance carbon spectrum:13C NMR(125MHz,CDCl3):δ62.8,109.3,117.7,117.9,122.1,124.0,126.0,127.4,128.4,128.5,129.5,130.3,130.7,133.5,134.2,134.4,150.5,155.8ppm.
TABLE 1 photochemical Properties and thermal stabilities of Compounds 5a-e and 10a-e
Figure BDA0001271943100000132
[a]Measured in methylene chloride solvent.[b]The wavelength of maximum absorption.[c]The maximum emission wavelength.[d]1.0M H2SO4The quinine solution of (phi) is standard3130.48) test 5a-e with 0.1M H2SO4The quinine solution of (phi) is standard3650.54) tests 10 a-e.[e]The decomposition temperature was measured by thermogravimetric analysis with a heating rate of 10 ℃/min under nitrogen.
TABLE 2 electrochemical Properties of Compounds 5a-e and 10a-e
Figure BDA0001271943100000133
Figure BDA0001271943100000141
[a]Determination of the Oxidation potential (E) in acetonitrile solvent by Cyclic voltammetryox) The scanning speed is 100mV/s, E is calculated by taking ferrocene (vacuum dissociation energy-4.8 eV) as an external standard and taking a platinum electrode as a working electrode, a platinum wire as an auxiliary electrode, a Saturated Calomel Electrode (SCE) as a reference electrode, an agar salt bridge and 0.1M tetrabutyl ammonium hexafluorophosphate as an electrolyte1/2(Fc/Fc+)=0.43V。[b]HOMO=-[Eox–[E1/2(Fc/Fc+)]+4.8].[c]The energy level difference Eg is estimated from the uv absorption in dichloromethane.[d]LUMO=HOMO+Optical band gap。

Claims (2)

1. A fused heterocyclic compound phenanthridinone or benzophenanthridinone derivative, wherein the compound has one of the following structures:
(1)
Figure FDA0002328165680000011
(2)
Figure FDA0002328165680000012
wherein R is methoxy, methyl, hydrogen, chlorine or nitro.
2. A process for the preparation of phenanthridinone or benzophenanthridinone derivatives according to claim 1, characterized in that it has the following steps:
a. under the protection of inert gas nitrogen and under the condition of ice-water bath, adding trifluoromethanesulfonic acid into a dichloromethane solution of iodobenzene diacetate, reacting for 0.5-1 hour in ice-water bath, and reacting for 1-2 hours at room temperature; adding the reaction solution into a cooled dichloromethane solution of benzo-bis (oxadisilylone) or oxadisilyl naphthalene under the condition of ice-water bath, continuing ice-water bath reaction for 0.5-1 hour, reacting at room temperature for 3-4 hours, extracting with dichloromethane, washing with water, drying and removing the solvent by spinning to obtain phenyl [ o- (hydroxy dimethyl silicon) oxadisilyl condensed phenyl]Triflic acid iodide or phenyl [ o- (hydroxydimethylsilyl) naphthyl)]Triflic acid iodide, the structural formula of which is respectively:
Figure FDA0002328165680000013
Figure FDA0002328165680000014
the structural formula of the iodobenzene diacetate is as follows: PhI (OAc)2
The structural formula of the benzo-bis (oxydisilocene) is as follows:
Figure FDA0002328165680000015
the structural formula of the oxydisilyl naphthalene is as follows:
Figure FDA0002328165680000021
b. in N2Protecting the phenyl [ o- (hydroxydimethylsilyl) oxydisilyl condensed phenyl obtained in the step a]Triflic acid iodide or phenyl [ o- (hydroxydimethylsilyl) naphthyl)]Adding acetonitrile solution of triflurosulfonic acid iodide into acetonitrile solution of N-methoxy-4-substituted benzamide derivative, cesium fluoride, palladium acetate, copper acetate and tetrabutylammonium bromide in batches, carrying out reflux reaction for 2 hours, separating and purifying to obtain solid silicon oxide based phenanthridinone or benzophenanthridinone derivative, wherein the structural formulas are respectively as follows:
Figure FDA0002328165680000022
the structural formula of the N-methoxy-4-substituted benzamide derivative is as follows:
Figure FDA0002328165680000023
the molar ratio of the diacetate iodide salt, the trifluoromethanesulfonic acid, the benzobis (oxydisilocene) or the oxydisinylnaphthalene, the N-methoxy-4-substituted benzamide derivative, the cesium fluoride, the copper acetate, the tetrabutylammonium bromide and the palladium acetate is as follows: 1.0-1.5: 2.5-3.0: 1.0-1.2: 0.5: 2.5-3.0: 1.0-1.5: 0.5-1.0: 0.02-0.03.
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