Summary of the invention
The technical problems to be solved by the present invention are: providing a kind of couple of inhibited 2- of tumour (1,2,3,4- tetra-
Hydrogen quinoline -6- base) -1,2,3,4- tetrahydro -1,8- naphthyridine type compound and the preparation method and application thereof.
In order to solve the above-mentioned technical problem, a kind of the technical solution adopted by the present invention are as follows: 2- (1,2,3,4- tetrahydroquinoline-
6- yl) -1,2,3,4- tetrahydro -1,8- naphthyridine type compounds, the general molecular formula of the compound is as shown in following formula I:
Wherein, R in the Formulas I1For phenyl, nitrobenzene or halogenophenyl;R2For hydrogen or methyl;R3For hydrogen or methyl;R4For
Hydrogen or methyl.
The invention also includes above-mentioned 2- (1,2,3,4- tetrahydroquinoline -6- base) -1,2,3,4- tetrahydro -1,8- naphthyridine type chemical combination
The preparation method of object, comprising the following steps:
Tetrahydroquinolinesas and 2- phenyl -3- methyl-1,8 naphthyridine type compounds are added in S1, in the reaction vessel
Afterwards, 1~5% metallic catalyst (Catalyst, Cat.) of Tetrahydroquinolinesas quality is added, adds sour and molten
Agent is stirred to react 5~24 hours at 80 DEG C~160 DEG C, wherein the Tetrahydroquinolinesas and 1,8 naphthyridine type chemical combination
The molar ratio of object is 1~2: 1, and the quality of the acid is the 10~100% of Tetrahydroquinolinesas quality, wherein described four
Hydrogen quinolines are preferably 2- methyl-tetrahydro quinoline or 8- methyl-tetrahydro quinoline, and described 1,8 naphthyridine type compounds are preferred
2- phenyl -3- methyl-1 after being replaced for phenyl by halogen or nitro, 8 naphthyridine type compounds;
S2, it is cooled to room temperature, filters after reaction, vacuum rotary steam, which removes solvent, can be obtained crude product, crude product warp
Column Chromatographic purification obtains 2- tetrahydric quinoline group-Tetrahydronaphthyridderivates class compound.
Further, the room temperature is 20~30 DEG C.
Further, in the step S1, the metallic catalyst is copper acetate, copper trifluoromethanesulfcomposite, copper sulphate, chlorination
The mixing of one or more of copper, stannous chloride, iron chloride, cobalt acetate, cobalt chloride, manganese acetate.
As can be seen from the above description, the beneficial effects of the present invention are: it can be realized effectively using cheap metallic catalyst
Catalysis, greatly reduce production cost.
Further, solvent described in the step S1 is ethyl alcohol, tert-pentyl alcohol, isopropanol, Isosorbide-5-Nitrae-dioxane, N, N- diformazan
The mixing of one or more of base formamide, dimethyl sulfoxide, toluene, paraxylene and water;The addition of the solvent
Amount and the molal volume ratio of Tetrahydroquinolinesas are preferably Tetrahydroquinolinesas: solvent=0.5mmol:1~3ml.
Further, acid described in the step S1 is formic acid, acetic acid, methanesulfonic acid, benzoic acid, p-methyl benzenesulfonic acid, hydrochloric acid, three
The mixing of one or more of fluorine methanesulfonic acid, trifluoroacetic acid;The acid is excellent with the molar ratio of Tetrahydroquinolinesas
It is selected as Tetrahydroquinolinesas: acid=0.5mmol:0.05mmol.
Further, reaction vessel described in the step S1 is preferably schlenk pipe (Schlenk pipe), and reaction process is excellent
Choosing carries out under a nitrogen atmosphere.
Further, the eluent that uses of the operation of column Chromatographic purification described in the step S2 is for volume ratio
(0.5~50): (0~20): 1 petroleum ether: methylene chloride: the mixed solution of ethyl acetate.
Wherein, part reaction equation involved in above-mentioned preparation method is as follows:
Wherein, the R1For phenyl, nitrobenzene, halogenic substituent benzene;R2For hydrogen or methyl;R3For hydrogen or methyl;R4For
Hydrogen or methyl.
The invention also includes above-mentioned 2- (1,2,3,4- tetrahydroquinoline -6- base) -1,2,3,4- tetrahydro -1,8- naphthyridine type chemical combination
Object is preparing anti-tumor agent comprising salmosin or is preventing and treating the application in tumour medicine.
Further, the application is the reagent or medicine in anti-human cancer K562, HL-60, HeLa and/or BGC-823 cell
In object.
The beneficial effects of the present invention are: the present invention provides a kind of 2- (1,2,3,4- tetrahydros with anti-tumor activity
Quinoline -6- base) -1,2,3,4- tetrahydro -1,8- naphthyridine type compounds and the preparation method and application thereof, it efficiently solves with anti-
The preparation problem of 2- (1,2,3,4- tetrahydroquinoline -6- base) -1,2,3,4- tetrahydro -1,8- naphthyridine compounds of tumor promotion.It is logical
Crossing preparation method of the invention can be efficiently synthesized 2- (1,2,3,4- tetrahydroquinoline -6- base) -1,2,3,4- tetrahydro -1,8- naphthyridines
Class dinitrogen heterocyclic compound has many advantages, such as that simple synthesis step, safe operation, advantages of nontoxic raw materials and raw material are cheap and easy to get, this hair
Bright preparation process is selectively good and Atom economy is high, and obtained dinitrogen heterocycle product structure novel can further develop its life
Object activity;Novel 2- (1,2,3,4- tetrahydroquinoline -6- base) -1,2,3,4- tetrahydro -1,8- naphthyridine type compound pair of the invention
Experimenter's cancer K562, HL-60, HeLa, BGC-823 cell has good inhibiting effect, and therefore, such compound is both as anti-
Tumor reagent is in anti tumor activity in vitro screening, it can also be used in the drug of anti-curing oncoma.
Specific embodiment
To explain the technical content, the achieved purpose and the effect of the present invention in detail, below in conjunction with embodiment and cooperate attached
Figure is explained.
The embodiment of the present invention 1 is a kind of 2- (1,2,3,4- tetrahydroquinoline -6- base) -1,2,3 with anti-tumor activity,
The preparation method of 4- tetrahydro -1,8- naphthyridines, comprising the following steps: in the reactor, 1.0 mMs of tetrahydroquinolines and 0.5 is added
MM 2- phenyl -3- methyl-1,8- naphthyridines are added 1% copper trifluoromethanesulfcomposite (Catalyst, Cat.), add 50%
Trifluoromethanesulfonic acid, 1.5ml toluene is stirred to react 5 hours at 80 DEG C, is cooled to room temperature after reaction, dilute reaction solution,
Filtering, vacuum rotary steam, which removes solvent, can be obtained crude product, and crude by column chromatography purifies to obtain 3a, which is in yellow oil
Shape.
Hydrogen spectrogram and carbon the spectrogram difference of products therefrom 3a is as depicted in figs. 1 and 2, and structural characterization data are as follows:
1H NMR(400MHz,CDCl3):
δ 7.49 (d, J=7.5Hz, 2H), 7.40 (t, J=7.5Hz, 2H), 7.32 (t, J=7.2Hz, 1H), 7.12 (s,
1H), 6.95 (d, J=7.7Hz, 2H), 6.43 (d, J=7.8Hz, 1H), 4.98 (s, 1H), 4.44 (dd, J=9.1,2.8Hz,
1H),3.33-3.23(m,2H),2.89-2.80(m,1H),2.76-2.66(m,3H),2.18(s,3H),2.11-2.05(m,
1H),1.96-1.86(m,3H);
13C NMR(101MHz,CDCl3):
δ154.28,144.15,141.15,139.07,132.32,128.95,128.02,127.43,127.35,
124.77,121.45,118.86,114.72,114.18,55.79,42.02,30.92,27.04,25.53,22.20,18.77;
Products therefrom 3a is measured into its infrared suction by infrared spectrometer (infrared spectrometer, IR (KBr))
Spectral results discovery is received, the compound is in 2928,1588,1452,1308,1131,819,750,699cm-1There is characteristic absorption at place
Peak shows the present invention program and the product with target group has been made.
Pass through the high-resolution mass spectrometer (High of electrospray ionisation source (Electron Spray Ionization, ESI)
Resolution Mass Spectrometer, HRMS) measure the molecular weight of the compound, C24H26N3[M+H]+: theoretical value
(Calculated value, Calcd.): 356.2121;Actually measured value (found): 356.2125.
The embodiment of the present invention 2 is a kind of 2- (1,2,3,4- tetrahydroquinoline -6- base) -1,2,3,4- with anti-tumor activity
The preparation method of tetrahydro -1,8- naphthyridine type compound, comprising the following steps: in the reactor, 0.8 mM of 2- methyl four is added
The iron chloride of 2- methyl tetrahydroquinoline quality 5% is added in hydrogen quinoline and 0.5 mM of 2- phenyl -3- methyl-1,8- naphthyridines, then
60% methanesulfonic acid is added, 1.0ml toluene is stirred to react 12 hours at 160 DEG C, is cooled to room temperature after reaction, dilutes
Reaction solution, filtering, vacuum rotary steam, which removes solvent, can be obtained crude product, and crude by column chromatography purifies to obtain product 3b, described
Product 3b is in yellow oily.
Hydrogen spectrogram and carbon the spectrogram difference of products therefrom 3b is as shown in Figure 3 and Figure 4, and structural characterization data are as follows:
1H NMR(400MHz,CDCl3) δ 7.87 (d, J=4.8Hz, 1H), 7.18 (d, J=7.1Hz, 1H), 6.95 (d, J
=9.8Hz, 2H), 6.54-6.47 (m, 1H), 6.44 (d, J=7.9Hz, 1H), 5.04 (s, 1H), 4.43 (dd, J=9.0,
2.8Hz,1H),3.55-3.28(m,1H),2.88-2.77(m,2H),2.72-2.64(m,2H),2.11-2.02(m,1H),
1.97-1.82 (m, 2H), 1.65-1.53 (m, 1H), 1.21 (d, J=6.2Hz, 3H);
13C NMR(101MHz,CDCl3)δ156.41,145.85,144.28,136.02,132.11,127.20,
124.78,121.15,115.94,113.99,112.70,55.72,47.21,30.54,30.10,26.63,25.84,22.59;
IR (KBr) the result shows that, product 3b 2936,2845,1860,1819,1489,1352,1330,1292,1194,
1170、771、739cm-1There is characteristic absorption peak, which has target group.
Pass through the high-resolution mass spectrometer (High of electrospray ionisation source (Electron Spray Ionization, ESI)
Resolution Mass Spectrometer, HRMS) measure the molecular weight of the compound, C18H22N3[M+H]+Theoretical value
(Calcd.):280.1808;Actually measured value (found): 280.1804.
The embodiment of the present invention 3 is a kind of 2- (1,2,3,4- tetrahydroquinoline -6- base) -1,2,3 with anti-tumor activity,
The preparation method of 4- tetrahydro -1,8- naphthyridine type compound, comprising the following steps: in the reactor, 0.75 mM of 2- first is added
Base tetrahydroquinoline and 0.5 mM of 2- (3- nitrobenzophenone) -1,8- naphthyridines, the cobalt acetate that 2- methyl tetrahydroquinoline 2% is added are urged
Agent, adds 10% p-methyl benzenesulfonic acid, and 1.2ml toluene is stirred to react 15 hours at 130 DEG C, cools down after reaction
To room temperature, dilute reaction solution, filtering, vacuum rotary steam, which removes solvent, can be obtained crude product, and crude by column chromatography purifies to obtain
Product 3c, the product 3c are in yellow oily.
Hydrogen spectrogram and carbon the spectrogram difference of products therefrom 3c is as shown in Figure 5 and Figure 6, and structural characterization data are as follows:
1H NMR(400MHz,CDCl3) δ 8.80 (s, 1H), 8.27 (d, J=7.8Hz, 1H), 8.16 (d, J=8.1Hz,
1H), 7.56 (d, J=7.9Hz, 1H), 7.30 (d, J=7.4Hz, 1H), 7.03 (d, J=7.4Hz, 1H), 6.96 (d, J=
12.5Hz, 2H), 6.45 (d, J=8.0Hz, 1H), 5.19 (s, 1H), 4.47 (d, J=7.5Hz, 1H), 3.72 (s, 1H),
3.44-3.37 (m, 1H), 2.89-2.70 (m, 4H), 2.11 (dd, J=12.9,3.9Hz, 1H), 2.00-1.91 (m, 2H),
1.64-1.53 (m, 1H), 1.21 (d, J=6.2Hz, 3H);
13C NMR(101MHz,CDCl3)δ156.39,151.04,148.69,144.37,141.66,136.77,
132.30,131.79,129.29,127.22,124.82,122.68,121.47,121.19,116.17,114.00,109.58,
55.80,47.23,30.42,30.12,26.66,25.70,22.59;
IR (KBr) the result shows that, product 3c 3415,1638,1618,1527,1442,1348,1121,870,792,
734cm-1There is characteristic absorption peak, which has target group.
Pass through the high-resolution mass spectrometer (High of electrospray ionisation source (Electron Spray Ionization, ESI)
Resolution Mass Spectrometer, HRMS) measure the molecular weight of the compound, Calcd.for C24H25N4O2[M+
H]+:401.1972;found:401.1975.
The embodiment of the present invention 4 is a kind of 2- (1,2,3,4- tetrahydroquinoline -6- base) -1,2,3 with anti-tumor activity,
The preparation method of 4- tetrahydro -1,8- naphthyridine type compound, comprising the following steps: in the reactor, 0.8 mM of 8- methyl is added
The acetic acid copper catalyst of 8- methyl tetrahydroquinoline 3% is added in tetrahydroquinoline and 0.4 mM of 2- (4- chlorphenyl) -1,8- naphthyridines,
50% trifluoroacetic acid is added, 1.2ml tert-pentyl alcohol is stirred to react 10 hours at 100 DEG C, is cooled to room after reaction
Temperature, dilute reaction solution, filtering, vacuum rotary steam, which removes solvent, can be obtained crude product, and crude by column chromatography purifies to obtain product
3d, the product 3d are in brown solid, and fusing point is 140-141 DEG C.
Hydrogen spectrogram and carbon the spectrogram difference of products therefrom 3d is as shown in Figure 7 and Figure 8, and structural characterization data are as follows:
1H NMR(400MHz,CDCl3) δ 7.86 (d, J=8.5Hz, 2H), 7.36 (d, J=8.5Hz, 2H), 7.25 (t, J
=3.7Hz, 1H), 6.93 (d, J=7.5Hz, 1H), 6.88 (d, J=10.2Hz, 2H), 5.15 (s, 1H), 4.44 (dd, J=
9.1,3.1Hz,1H),3.40-3.30(m,2H),2.87-2.71(m,4H),2.12-2.07(m,1H),2.07(s,3H),
1.96-1.88(m,3H);
13C NMR(101MHz,CDCl3)δ156.18,152.54,142.20,138.28,136.76,134.12,
131.35,128.61,127.87,125.96,125.34,121.33,120.91,115.09,109.37,55.89,42.36,
30.75,27.36,25.81,22.14,17.22;
IR (KBr) the result shows that, product 3d 2928,2857,1665,1627,1594,1462,1304,1088,806,
752cm-1There is characteristic absorption peak, which has target group.
Pass through the high-resolution mass spectrometer (High of electrospray ionisation source (Electron Spray Ionization, ESI)
Resolution Mass Spectrometer, HRMS) measure the molecular weight of the compound, Calcd.for C24H25ClN3[M+
H]+:390.1731;found:390.1735.
The embodiment of the present invention 5 is a kind of 2- (1,2,3,4- tetrahydroquinoline -6- base) -1,2,3 with anti-tumor activity,
The preparation method of 4- tetrahydro -1,8- naphthyridine type compound, comprising the following steps: in the reactor, 0.4 mM of 8- methyl is added
Tetrahydroquinoline and 0.4 mM of 2- (4- bromophenyl) -1,8- naphthyridines, the copper chloride that 8- methyl tetrahydroquinoline quality 3% is added are urged
Agent, adds 80% p-methyl benzenesulfonic acid, 1.2ml paraxylene, is stirred to react 10 hours at 150 DEG C, after reaction
It is cooled to room temperature, dilute reaction solution, filters, vacuum rotary steam, which removes solvent, can be obtained crude product, crude by column chromatography purification
3e is obtained, the product 3e is in yellow solid, and fusing point is 173-174 DEG C.
Hydrogen spectrogram and carbon the spectrogram difference of products therefrom 3e is as shown in Figure 9 and Figure 10, and structural characterization data are as follows:
1H NMR(400MHz,CDCl3) δ 7.84 (d, J=8.4Hz, 2H), 7.55 (d, J=8.4Hz, 2H), 7.32-7.27
(m, 1H), 6.97 (d, J=7.5Hz, 1H), 6.92 (d, J=10.3Hz, 2H), 5.18 (s, 1H), 4.48 (dd, J=9.2,
3.0Hz,1H),3.46-3.36(m,2H),2.90-2.75(m,4H),2.18-2.11(m,1H),2.11(s,3H),1.99-
1.88(m,3H);
13C NMR(101MHz,CDCl3)δ156.21,142.20,136.76,131.56,131.34,128.19,
125.96,125.34,122.42,121.33,120.90,115.17,109.34,55.89,42.36,30.75,27.37,
25.83,22.14,17.22;
IR (KBr) the result shows that, product 3e is in 2928,1633,1591,1501,1462,1321,807cm-1There is feature
Absorption peak, the product have target group.
Pass through the high-resolution mass spectrometer (High of electrospray ionisation source (Electron Spray Ionization, ESI)
Resolution Mass Spectrometer, HRMS) measure the molecular weight of the compound, Calcd.for C24H25BrN3[M+
H]+:434.1226;found:434.1224.
By noval chemical compound 3a-3e obtained by above-described embodiment 1-5, anti-tumor activity test is carried out: by each compound
It is configured to 100 μ gmL respectively-1Methanol solution, positive control drug 5 FU 5 fluorouracil (5-fluorouracil, 5-FU) and more
Alkene taxol (docetaxol) is made into 100 μ gmL respectively-1Dimethyl sulfoxide (Dimethyl sulfoxide, DMSO) it is molten
Liquid, respectively using methanol and DMSO solvent as blank control, using tetramethyl azo azoles salt (methyl thiazolyl
Tetrazolium method, MTT) method tests each compound to the inhibiting effect of K562, HL-60, HeLa, BGC-823 cell,
Concrete operations are as follows:
1, the preparation of cell culture fluid: one bag of RPMI-1640 culture medium powder (net content 10.4g) is taken to pour into clean
In beaker, dissolved with the ultra-clean water of 900mL, and 100mgmL is added-1Streptomysin 1mL, penicillin 0.5mL and NaHCO3
2g.After magnetic agitation is uniform, removed with autoclaved Cai Shi (Zeiss) filter through 0.22 μm of membrane filtration in super-clean bench
Bacterium, filtrate are directly stored in (450mL/ bottles) in the vial after moist heat sterilization.Culture medium is before use, take the blood of freezing
Clearly, after 56 DEG C of inactivation 30min, addition has prepared in RPMI-1640 culture solution and (50mL serum has been added in 450mL culture medium), gently
After jog is even, covers, sealed with masking foil, saved in 4 DEG C of refrigerators.
MTT solution is prepared: the MTT powder of 50mg is dissolved in the PBS solution of 10mL, with 0.22 μm of membrane filtration, in 4
It is saved in DEG C refrigerator.
2, anti-tumor activity test: take respectively growth logarithmic phase K562, HL-60, HeLa, BGC-823 cell, in 4 DEG C,
It is centrifuged 3min on 3000rpm centrifuge, sucks supernatant, fresh RPMI-1640 culture medium is added and is diluted to 1 × 105A/milli
The cell suspension risen.Every 200 μ L of hole is inoculated in 96 orifice plates, in 37 DEG C, 5%CO2Cell incubator in cultivate 1h after, every hole
Respectively plus 2 μ L of sample solution, each sample set 3 parallel holes, separately set the blank control in two groups of each three holes, with the same terms after sample-adding
Culture is for 24 hours.After for 24 hours, cell is observed under an optical microscope whether there is or not metamorphosis, preliminary judgement sample has missing cytotoxic activity,
It takes pictures when necessary.5mgmL is added in every hole-1Each 20 μ L of MTT solution, continue in incubator to cultivate 4h.Take out 96 orifice plates
It is centrifuged (4 DEG C, 2000rpm, 20min) and removes supernatant, every hole adds 150 μ L DMSO, and sufficiently oscillation keeps violet precipitate complete
Dissolution.Its optical density OD value is measured under 570nm in microplate reader, every group of sample is averaged and by inhibiting rate
(inhibition rate, IR) %=(ODBlank-ODSample)/ODBlank× 100% formula calculates.
It is miscellaneous that mtt assay tests five kinds of 2- (1,2,3,4- tetrahydroquinoline -6- base) -1,2,3,4- tetrahydro -1,8- naphthyridine type dinitrogens
Cyclics are as shown in table 1 to the proliferation activity suppression result of four kinds of tumour cells:
Result of the table 1MTT method test class compound to the proliferation activity inhibiting effect of four kinds of tumour cells
The compound made from the present invention program it can be seen from upper table 1 is equal to K562, HL-60, HeLa, BGC-823 cell
With certain inhibiting effect.
In conclusion a kind of 2- (tetrahydroquinoline -6- base)-tetrahydro -1,8- naphthyridine type compound provided by the invention and its
Preparation method and application, such compound on tumor is inhibited, and the preparation method of the present invention program is environmentally protective and passes through
It helps profitable, there is good production application prospect.
The above description is only an embodiment of the present invention, is not intended to limit the scope of the invention, all to utilize this hair
Equivalents made by bright specification and accompanying drawing content are applied directly or indirectly in relevant technical field, similarly include
In scope of patent protection of the invention.