Summary of the invention
The technical problems to be solved by the present invention are: providing, a kind of pair of tumour be inhibited and preparation process economy
Good bis- (diphenyl phosphine oxide) Tetrahydroquinolinesas of 2,4- and the preparation method and application thereof.
In order to solve the above-mentioned technical problem, the technical solution adopted by the present invention are as follows: bis- (diphenyl phosphine oxides) four of 2,4- of one kind
Hydrogen quinolines, the general molecular formula of the derivative is as shown in following formula I:
Wherein, R in the Formulas I1For H, Cl or Br.
The invention also includes the preparation method of bis- (diphenyl phosphine oxide) Tetrahydroquinolinesas of 2,4- of one kind, including it is following
Step:
S1, in the reaction vessel, is added the derivative and diphenyl phosphine oxide of quinoline or quinoline, the quinoline or quinoline
The molar ratio of derivative and diphenyl phosphine oxide is 1: 2~3, and the metal that the derivative quality 1~5% of quinoline or quinoline is added is urged
Agent (Catalyst, Cat.) is added alcohol as hydrogen donor (Hydrogen donor, HD), is added solvent (Solvent),
It is stirred to react at 80 DEG C~160 DEG C 5~24 hours;
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 bis- (diphenyl phosphine oxide) Tetrahydroquinolinesas of 2,4-.
Further, in the step S1, the metallic catalyst is copper acetate, copper sulphate, iron chloride, palladium acetate, double
Triphenylphosphine palladium, iridous chloride, 1,5- cyclo-octadiene iridium chloride dimer, dichloro (pentamethylcyclopentadiene base) close iridium
(III) one or more of dimer, ten dicarbapentaborane, three ruthenium and bis- (triphenylphosphine) ruthenic chlorides (II) of cyclopentadienyl group
Mixing.
Further, in the step S1, the solvent is ethyl alcohol, tert-pentyl alcohol, isopropanol, Isosorbide-5-Nitrae-dioxane, N, N-
The mixing of one or more of dimethylformamide, dimethyl sulfoxide, toluene, paraxylene and water;The solvent
The molal volume of the derivative of additional amount and quinoline or quinoline than be preferably quinoline or quinoline derivative: solvent=0.5mmol:
1~3ml.
Further, in the step S1, the hydrogen donor is secondary alcohol compounds, and the secondary alcohol compounds include different
The mixing of one or more of propyl alcohol, isobutanol, 1- phenylethanol.
Further, in the step S1, the preferred schlenk pipe (Schlenk pipe) of reaction vessel, reaction process is excellent
It is selected as carrying out under a nitrogen atmosphere.
Further, it is (0.5~50) that eluent used in column Chromatographic purification described in the step S2, which is volume ratio: (0
~20): 1 petroleum ether: methylene chloride: ethyl acetate mixed solvent.
Wherein, part reaction equation involved in above-mentioned synthetic method is as follows:
Wherein, the R1For hydrogen or chlorine or bromine.
Preferably, the quinoline is chloroquinoline or Bromoquinoline.
As can be seen from the above description, the beneficial effects of the present invention are: if quinoline, the then production of the present invention program preparation method
Rate is up to 86%, and if chloroquinoline, then the yield of the present invention program preparation method is up to 60%, if Bromoquinoline, then originally
The yield of scheme of the invention is up to 66%.
The invention also includes bis- (diphenyl phosphine oxide) Tetrahydroquinolinesas of above-mentioned 2,4- preparation prostaglandin E1 by
Body antagonist, antibacterials, tyrosine kinase inhibitor, anti-tumor drug, antiepileptic, anticonvulsant drug or anti-tumor agent comprising salmosin
In application.
The beneficial effects of the present invention are: bis- (diphenyl phosphine oxide) Tetrahydroquinolinesas of the 2,4- of the present invention program exist
Prostaglandin E1 receptor antagonist, antibacterial, tyrosine kinase inhibitory activity, antitumor, anti-epileptic and the fields such as anticonvulsion have
There is potential pharmaceutical activity, therefore can be used for preparing prostaglandin E1 receptor antagonist, antibacterials, tyrosine kinase and inhibit
Agent, anti-tumor drug, antiepileptic or anticonvulsive drug, the derivative are alternatively arranged as anti-tumor agent comprising salmosin for anti tumor activity in vitro
In screening.The present invention is using quinoline and diphenyl phosphine oxide as bis- (diphenyl phosphine oxide) tetrahydro chinolines of raw material one-step synthesis method 2,4-
Object is closed, has synthesis step simple, safe operation, advantages of nontoxic raw materials and cheap and easy to get, synthetic method to functional group good compatibility, original
The advantages that subeconomy is high.Bis- (diphenyl phosphine oxide) the tetrahydro chinolines product structures of 2, the 4- that the present invention program obtains are novel, can
Further develop its bioactivity;Novel 2,4- of the invention bis- (diphenyl phosphine oxide) tetrahydroquinoline derivative 3a, 3b, 3c to by
Trying people's cancer K562, HL-60, HeLa, BGC-823 cell is in inhibiting effect, in 100 μ gmL-1Concentration under it is thin to above-mentioned cancer
The inhibiting rate of born of the same parents is between 1.8%~51.9%.
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 one is bis- (diphenyl phosphine oxide) tetrahydroquinolines of 2,4- and preparation method thereof, the method includes with
Lower step: in the reaction vessel, 0.5 mM of quinoline and 1.0 mMs of diphenyl phosphine oxides is added, 0.01 mM of 1,5- ring is pungent
Diene iridium chloride dimer, 0.5 mM of isopropanol, 1.5ml toluene are stirred to react 16 hours at 100 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
Bis- (diphenyl phosphine oxide) tetrahydroquinolines (3a) of 2,4- are obtained, are in yellow solid and fusing point are as follows: 179.0-180.6 DEG C.
Hydrogen spectrogram, carbon spectrogram and the phosphorus spectrogram of products therefrom 3a distinguishes as shown in Figure 1, Figure 2 and Figure 3, structural characterization data
It is as follows:
1H NMR(400MHz,CDCl3)δ7.80-7.65(m,4H),7.64-7.43(m,4H),7.40-7.15(m,12H),
6.76 (d, J=6.0Hz, 1H), 6.42-6.30 (m, 1H), 6.21-6.07 (m, 1H), 5.96 (d, J=6.5Hz, 1H), 4.88
(d, J=11.8Hz, 1H), 4.08 (s, 1H), 3.66 (s, 1H), 2.43-2.21 (m, 1H), 2.12-1.94 (m, 1H);
13C NMR(101MHz,CDCl3) δ 144.48 (d, J=4.2Hz), 144.39 (d, J=4.2Hz), 132.40,
132.00 (d, J=11.2Hz), 131.88,131.70 (d, J=8.2Hz), 131.57,131.45 (d, J=6.5Hz),
131.27 (d, J=10.5Hz), 130.98,130.62,130.17 (d, J=3.1Hz), 130.06,129.14 (d, J=
9.2Hz), 128.96 (d, J=10.7Hz), 128.85 (d, J=10.7Hz), 128.61 (d, J=11.4Hz), 128.38 (d, J
=11.5Hz), 128.10 (d, J=1.5Hz), 116.42 (d, J=116.7Hz), 113.47 (d, J=5.3Hz), 47.49 (d,
), J=81.9Hz 37.96 (d, J=67.1Hz), 22.16;
31P NMR(162MHz,CDCl3)δ32.28,30.61;
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, C33H29NO2P2Na[M+Na]+: reason
By value (Calculated value, Calcd.): 556.1566;Actually measured value (found): 556.1565.
It is shown below according to the structure of the above characterization result inferred from input data products therefrom 3a:
The embodiment of the present invention two is bis- (diphenyl phosphine oxide) -6- chlorine tetrahydroquinolines of 2,4- and preparation method thereof, the side
Method is the following steps are included: in the reaction vessel, be added 0.5 mM of 6- chloroquinoline and 1.0 mMs of diphenyl phosphine oxides, 0.05 milli
Mole dichloro (pentamethylcyclopentadiene base) closes iridium (III) dimer, 0.8 mM of isobutanol, 1ml tert-pentyl alcohol, at 160 DEG C
It is stirred to react 5 hours, is cooled to room temperature after reaction, dilute reaction solution, filter, vacuum rotary steam removes solvent and can be obtained slightly
Product, crude by column chromatography purify to obtain bis- (the diphenyl phosphine oxide) -6- chlorine 3,4-tetrahydroquinoline compounds 3b of 2,4-, which is in
Yellow solid, fusing point are 180.1-182.6 DEG C.
Hydrogen spectrogram, carbon spectrogram and the phosphorus spectrogram of products therefrom 3b distinguishes as shown in Figure 4, Figure 5 and Figure 6, structural characterization data
It is as follows:
1H NMR(400MHz,CDCl3)δ7.90-7.78(m,4H),7.72-7.63(m,2H),7.60-7.39(m,12H),
7.37-7.31 (m, 2H), 6.86 (d, J=8.6Hz, 1H), 6.41 (d, J=8.6Hz, 1H), 5.91 (s, 1H), 4.99 (d, J=
12.2Hz,1H),4.11(s,1H),3.64(s,1H),2.42-2.29(m,1H),2.21-1.98(m,1H);
13C NMR(101MHz,CDCl3) δ 143.15 (d, J=4.2Hz), 143.06 (d, J=4.1Hz), 132.46 (d, J
=2.5Hz), 132.20 (d, J=2.7Hz), 132.07,131.63 (d, J=9.2Hz), 131.54 (d, J=9.2Hz),
131.36 (d, J=8.5Hz), 131.03,130.61,130.14,130.07 (d, J=5.8Hz), 129.86 (d, J=
3.4Hz), 129.04 (d, J=8.8Hz), 128.93 (d, J=8.5Hz), 128.65 (d, J=11.9Hz), 128.53 (d, J=
12.4Hz), 127.94 (d, J=2.8Hz), 121.40 (d, J=3.2Hz), 116.86 (d, J=2.1Hz), 114.87 (d, J=
5.4Hz), 47.38 (d, J=80.6Hz), 38.07 (d, J=67.7Hz), 21.89;
31P NMR(162MHz,CDCl3)δ32.13,30.16;
HRMS(ESI):Calcd.for C33H28ClNO2P2Na[M+Na]+:590.1176;found:590.1170.
Infer that the structure of products therefrom 3b is shown below according to above data:
The embodiment of the present invention three is bis- (diphenyl phosphine oxide) -6- bromine tetrahydroquinolines of 2,4- and preparation method thereof, the side
Method is the following steps are included: in the reaction vessel, be added 0.3 mM of 6- bromoquinoline and 0.9 mM of diphenyl phosphine oxide, 0.05 milli
Mole dichloro (pentamethylcyclopentadiene base) closes iridium (III) dimer, 0.4 mM of 1- phenylethanol, 1ml paraxylene,
It is stirred to react 12 hours, is cooled to room temperature after reaction, dilute reaction solution at 160 DEG C, filter, vacuum rotary steam removes solvent and is
Crude product can be obtained, crude by column chromatography purifies to obtain bis- (the diphenyl phosphine oxide) -6- bromine tetrahydroquinoline 3c of 2,4-, the compound
White solid-like, fusing point are 181.7-183.1 DEG C;
The hydrogen spectrum of products therefrom 3c, carbon are composed and phosphorus spectrum is as shown in Figure 7, Figure 8 and Figure 9 respectively, and structural characterization data are as follows:
1H NMR(400MHz,CDCl3)δ7.92-7.77(m,4H),7.71-7.63(m,2H),7.61-7.52(m,4H),
7.52-7.39 (m, 8H), 7.37-7.31 (m, 2H), 6.99 (d, J=8.6Hz, 1H), 6.36 (d, J=8.6Hz, 1H), 6.03
(s, 1H), 4.99 (d, J=12.2Hz, 1H), 4.13 (s, 1H), 3.62 (s, 1H), 2.42-2.30 (m, 1H), 2.19-2.02
(m,1H);
13C NMR(101MHz,CDCl3) δ 143.58 (d, J=4.3Hz), 143.49 (d, J=4.2Hz), 132.80 (d, J
=3.3Hz), 132.48 (d, J=2.6Hz), 132.23 (d, J=2.6Hz), 132.09,131.69 (s), 131.60 (d, J=
1.1Hz), 131.51 (d, J=3.1Hz), 131.42,131.33 (d, J=1.5Hz), 130.94,130.71 (d, J=
2.7Hz), 130.56,129.99 (d, J=3.7Hz), 129.05 (d, J=9.4Hz), 128.93 (d, J=8.9Hz), 128.65
(d, J=11.8Hz), 128.53 (d, J=11.9Hz), 117.24 (d, J=1.9Hz), 115.37 (d, J=5.7Hz),
108.41 (d, J=3.5Hz), 47.34 (d, J=81.3Hz), 38.13 (dd, J=67.3,11.9Hz), 21.87;
31P NMR(162MHz,CDCl3)δ32.24,30.24;
HRMS(ESI):Calcd.for C33H28BrNO2P2Na[M+Na]+:634.0671;found:634.0668.
Infer that the structure of products therefrom 3c is shown below according to above data
Product 3a, 3b and 3c is made in embodiment 1-3 and is respectively used to anti-tumor activity test:
(1) anti-tumor activity is tested
By each compound at 100 μ gmL-1Methanol solution, positive control drug 5 FU 5 fluorouracil (5-
Fluorouracil, 5-FU) and Docetaxel (docetaxol) be made into 100 μ gmL respectively-1Dimethyl sulfoxide
(Dimethyl sulfoxide, DMSO) solution, respectively using methanol and DMSO solvent as blank control, using tetramethyl azo azoles
The test of salt (methyl thiazolyl tetrazolium method, MTT) method is thin to K562, HL-60, HeLa, BGC-823
The inhibiting effect of born of the same parents.
(2) preparation of cell culture fluid: one bag of RPMI-1640 culture medium powder (nt wt net weight 10.4g) is poured 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.
The secondary culture of cell: by K562 cell be added the RPMI-1640 culture solution of 10% fetal calf serum in 37 DEG C,
5%CO2Cell incubator in secondary culture.
(3) anti-tumor activity is tested: K562, HL-60, HeLa, BGC-823 cell of growth logarithmic phase is taken respectively, in 4
DEG C, be centrifuged 3min on 3000rpm centrifuge, suck supernatant, fresh RPMI-1640 culture medium be added and is diluted to 1 × 105
The cell suspension of a/milliliter.Every 200 μ L of hole is inoculated in 96 orifice plates, in 37 DEG C, 5%CO2Cell incubator in cultivate 1h
Afterwards, every hole adds 2 μ L of sample solution, and each sample sets 3 parallel holes, separately sets the blank control in two groups of each three holes, after sample-adding with
The same terms 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 cell-free
Cytotoxic activity is taken pictures when necessary.5mgmL is added in every hole-1Each 20 μ L of MTT solution, continue in incubator to cultivate 4h.It takes out
96 orifice plates are centrifuged (4 DEG C, 2000rpm, 20min) and remove supernatant, and every hole adds 150 μ L DMSO, and sufficiently oscillation precipitates purple
Object is completely dissolved.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 inhibiting rate (IR%).
Mtt assay is tested bis- (diphenyl phosphine oxide) tetrahydroquinoline derivatives of 2,4- and is inhibited to the proliferation activity of four kinds of tumour cells
As a result as shown in table 1 below.
Table 1MTT method tests derivative to the result of 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 above-described embodiment 1-3, reactional equation general formula is as follows:
For embodiment 1, then R1For hydrogen, corresponding yield is 86%;If chlorine, corresponding yield is 60%, if
For bromine, corresponding yield is 66%.
In conclusion a kind of bis- (diphenyl phosphine oxide) Tetrahydroquinolinesas of 2,4- provided by the invention and its preparation side
Method and application, the derivative is in prostaglandin E1 receptor antagonist, antibacterial, tyrosine kinase inhibitory activity, antitumor, anti-epileptic
Potential pharmaceutical activity is all had with anticonvulsion equal fields.
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.