CN109776413A - A kind of isoquinilone derivatives and application with hypoglycemic activity - Google Patents

A kind of isoquinilone derivatives and application with hypoglycemic activity Download PDF

Info

Publication number
CN109776413A
CN109776413A CN201910085622.1A CN201910085622A CN109776413A CN 109776413 A CN109776413 A CN 109776413A CN 201910085622 A CN201910085622 A CN 201910085622A CN 109776413 A CN109776413 A CN 109776413A
Authority
CN
China
Prior art keywords
derivatives
aryl
derivative
compound
quinoline
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201910085622.1A
Other languages
Chinese (zh)
Inventor
郁彭
孙华
郑航
陈明珠
汪海波
王朝昕
张一楠
马玉娇
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Tianjin University of Science and Technology
Original Assignee
Tianjin University of Science and Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tianjin University of Science and Technology filed Critical Tianjin University of Science and Technology
Priority to CN201910085622.1A priority Critical patent/CN109776413A/en
Publication of CN109776413A publication Critical patent/CN109776413A/en
Pending legal-status Critical Current

Links

Landscapes

  • Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)

Abstract

The present invention relates to a kind of isoquinilone derivatives with hypoglycemic activity, the isoquinolin is 3- aryl isoquinolines derivative and/or 4- aryl quinoline derivatives;Wherein, the following II of general structure of general structure I, 4- aryl quinoline derivatives of the 3- aryl isoquinolines derivative:R in general formula I1For 6,8- dimethoxy, 6,8- dihydroxy, 6- hydroxyl -8- methoxyl group, 6- methoxyl group -8- hydroxyl, R2For substituted or non-substituted furans, pyrroles, pyrimidine, phenyl;R in general formula II1For 6,7- dimethoxy;R2For substituted or non-substituted furans, pyrroles, pyrimidine, phenyl.The present invention synthesizes for the first time and the isoquinilone derivatives for being found to have hypoglycemic activity have good alpha-glucosaccharase enzyme inhibition activity, the derivative has good alpha-glucosaccharase enzyme inhibition activity, it can apply in terms of prepare antidiabetic medicine, open up the research direction of a kind of novel therapeutic diabetes medicament.

Description

A kind of isoquinilone derivatives and application with hypoglycemic activity
Technical field
The invention belongs to noval chemical compound synthesis and medicinal application technical field, especially a kind of 3- aryl isoquinolines and 4- virtue Base quinoline derivatives and its preparation method and application.
Background technique
Isoquinolin and its derivative are a kind of important heterocyclic compounds, are present in numerous natural products.It is 1848, first The secondary papaverine extracted from bloodroot is with the natural of the isoquinoline-containing ring structure for inhibiting fungi, virus activity Product Compound is still important antispasmodic up to now.
In recent years, isoquinolin skeleton is usually used in the active structure group in design medicine molecule, such as atracurium, Nuo meter Fen Pungent, moxaverine, dimoxyline (dimoxyline), quinisocaine (dimethisoquin) etc..The fully synthetic and part of isoquinolin and its derivative is tied Structure modification, the research of structure-activity relationship and pharmaceutical activity become more and more active, and the synthesis of especially isoquinolin ring has become the heat of research Point field.
Tiwari et al. synthesizes a series of new 1- aryl tetrahydro isoquinoline derivatives, determines 1- by In vitro Bactericidal Experiments Aryl-6,7- dimethoxy -1,2,3,4- tetrahydroisoquinoline have antibacterial activity;10 simple type isoquinolines of Iwasa et al. logarithm Quinoline alkali, benzylisoquinoline alkali antibacterial activity structure-activity relationship analyzed, the bacteriostasis of most compounds is fainter;Makhey Et al. synthesized series compound by lead compound of coralyne, and carry out antitumor research.
In conclusion no matter research natural drug or the novel isoquinoline derivatives synthesized are derivative with the present invention above The structure of object is different, and study progress above is antibacterial experiment and anti-tumor experiment mostly, not to hypoglycemic activity It is studied.
Summary of the invention
Present invention aims in place of the deficiencies in the prior art, provide a kind of 3- aryl isoquinolines to spread out with 4- aryl quinoline class Biology and its preparation method and application, the present invention synthesizes for the first time and the isoquinilone derivatives for being found to have hypoglycemic activity have well Alpha-glucosaccharase enzyme inhibition activity, the derivative have good alpha-glucosaccharase enzyme inhibition activity, can apply and prepare In in terms of antidiabetic medicine, the research direction of a kind of novel therapeutic diabetes medicament has been opened up.
The technical solution adopted by the present invention to solve the technical problems is:
A kind of isoquinilone derivatives with hypoglycemic activity, the isoquinolin are 3- aryl isoquinolines derivative and/or 4- Aryl quinoline derivatives;
Wherein, the general structure II of general structure I, 4- aryl quinoline derivatives of the 3- aryl isoquinolines derivative is such as Under:
Wherein, R in general formula I1For 6,8- dimethoxy, 6,8- dihydroxy, 6- hydroxyl -8- methoxyl group, 6- methoxyl group -8- hydroxyl Base, R2For substituted or non-substituted furans, pyrroles, pyrimidine, phenyl;R in general formula II1For 6,7- dimethoxy, R2For replace or it is non- Substituted furans, pyrroles, pyrimidine, phenyl.
Moreover, the synthetic route and preparation step of the 3- aryl isoquinolines derivative are as follows:
Wherein, preparing above-mentioned isoquinilone derivatives 4, specific step is as follows:
(1) at 0 DEG C, by POCl3It is added drop-wise in DMF, is warmed to room temperature after solidification, benzyl cyanide, POCl is added3: DMF: take Equivalent proportion for benzene acetonitrile is 1.5:1.5:1.0,65 DEG C of reaction 1h to reaction solidification yellowly, monitoring after reaction, with satisfying And NaHCO3It is extracted with ethyl acetate, collects organic phase and drying, silica gel chromatographic column chromatograph to obtain light yellow compound 2;
(2) under argon gas protection, by step, (1) gained desciccate 2 is dissolved in toluene, is added and is replaced phenyl boric acid, PdCl2 (dppf), desciccate 2: cesium carbonate replaces phenyl boric acid: PdCl2(dppf): the equivalent proportion of cesium carbonate is 1.0:1.2:0.05: 3,6h is reacted at 125 DEG C, after fully reacting, is diluted, is washed with water with ethyl acetate, organic layer Na2SO4After drying, filtering Solvent evaporated, silica gel chromatography obtain compound 3;
(3) compound 3 is dissolved in methylene chloride, at 0 DEG C, BBr is added dropwise3, compound 3:BBr3Equivalent proportion be 1:3, room Temperature reaction 12h is quenched with ice water after reaction, is extracted with saturated sodium carbonate and ethyl acetate, is collected organic phase and drying, Silica gel chromatographic column chromatographs to obtain compound 4 to get 3- aryl isoquinolines derivative.
Moreover, the synthetic route and preparation step of the 4- aryl quinoline derivatives are as follows:
Wherein, preparing above-mentioned quinoline 6, specific step is as follows:
Under argon gas protection, quinoline raw material is dissolved in toluene, is added and is replaced phenyl boric acid, PdCl2(dppf), cesium carbonate, quinoline Raw material: replace phenyl boric acid: PdCl2(dppf): the equivalent proportion of cesium carbonate is 1.0:1.2:0.05:3,6h is reacted at 125 DEG C, instead After answering completely, is diluted, be washed with water with ethyl acetate, organic layer Na2SO4Dry, filter rear solvent evaporated, silica gel column chromatography Purifying obtains product 6 to get 4- aryl quinoline derivatives.
Moreover, the 3- aryl isoquinolines derivative is 3- octaverine, the 4- aryl quinoline derivatives For 4- phenylchinoline derivative;
The general structure IV of general structure III, 4- phenylchinoline derivative of the 3- octaverine is as follows:
Wherein, R in general formula III1For 6,8- dimethoxy, 6,8- dihydroxy, 6- hydroxyl -8- methoxyl group, 6- methoxyl group -8- Hydroxyl, R2For alkyl, trifluoromethyl, methoxyl group, halogen, hydroxyl, nitro or cyano;R in general formula IV1For 6,7- dimethoxy, R2 For alkyl, trifluoromethyl, methoxyl group, halogen, hydroxyl, nitro or cyano.
Moreover, the synthetic route and preparation step of the 3- octaverine are as follows:
Using benzyl cyanide as raw material, corresponding derivative is then formed by the substituent group of Suzuki coupling reaction, so 3 demethylation of compound is obtained into serial hydroxy derivatives 4 to get 3- octaverine afterwards:
Moreover, the synthetic route and preparation step of the 4- phenylchinoline derivative are as follows:
Using substd quinolines as raw material, compound 6 is obtained to get 4- phenylchinoline derivative by Suzuki coupling reaction;
Moreover, the 3- aryl isoquinolines derivative is 3- substituted-phenyl Hydroisoquinoline derivatives;
The general structure V of the 3- substituted-phenyl Hydroisoquinoline derivatives is as follows:
Wherein, R1For 6,8- dimethoxy, 6,8- dihydroxy, 6- hydroxyl -8- methoxyl group, 6- methoxyl group -8- hydroxyl;R2For Alkyl, trifluoromethyl, methoxyl group, halogen, hydroxyl, nitro or cyano;R3For hydrogen.
Moreover, the synthetic route of the 3- substituted-phenyl Hydroisoquinoline derivatives and the preparation method is as follows: with compound 3 For raw material, catalytic hydrogen reduction obtains compound 7 to get 3- substituted-phenyl Hydroisoquinoline derivatives;
The isoquinilone derivatives with hypoglycemic activity as described above in terms of inhibit alpha-glucosidase activity in answer With.
The isoquinilone derivatives with hypoglycemic activity as described above in terms of prepare antidiabetic medicine in application.
The advantages of present invention obtains and good effect are as follows:
1, the present invention synthesizes for the first time and the isoquinilone derivatives for being found to have hypoglycemic activity have good alpha-glucosaccharase Enzyme inhibition activity, the derivative have good alpha-glucosaccharase enzyme inhibition activity, can apply and prepare antidiabetic medicine In aspect, the research direction of a kind of novel therapeutic diabetes medicament has been opened up.
2, there is 3- aryl isoquinolines and 4- aryl quinoline analog derivative of the present invention good alpha-glucosidase to inhibit to live Property, synthetic method is simple.
Detailed description of the invention
Fig. 1 is the nucleus magnetic hydrogen spectrum figure of 4- (6,8- dimethylisoquinoline -3- base) benzonitrile (compound 3a) in the present invention;
Fig. 2 is the nucleus magnetic hydrogen spectrum figure of 3- (4- fluorophenyl) -6,8- dimethoxy-isoquinoline (compound 3b) in the present invention;
Fig. 3 is the nuclear-magnetism of 6,8- dimethoxy -3- (4- (trifluoromethyl) phenyl) isoquinolin (compound 3c) in the present invention Hydrogen spectrogram;
Fig. 4 is the nucleus magnetic hydrogen spectrum figure of 6,8- dimethoxy -3- (4- nitrobenzophenone) isoquinolin (compound 3d) in the present invention;
Fig. 5 is the core of 6,8- dimethoxy -3- (3,4,5- trimethoxyphenyl) isoquinolin (compound 3e) in the present invention Magnetic hydrogen spectrogram;
Fig. 6 is the nucleus magnetic hydrogen spectrum figure of 3- (furans -2- base) -6,8- dimethoxy-isoquinoline (compound 3f) in the present invention;
Fig. 7 is the nucleus magnetic hydrogen spectrum figure of 3- (4- fluorophenyl) isoquinolin -6,8- glycol (compound 4a) in the present invention;
Fig. 8 is the nucleus magnetic hydrogen spectrum figure of 3- (4- fluorophenyl) -8- methoxyisoquinoliae -6- alcohol (compound 4b) in the present invention;
Fig. 9 is the nucleus magnetic hydrogen spectrum figure of 3- (4- fluorophenyl) -6- methoxy quinoline -8- alcohol (compound 4c) in the present invention;
Figure 10 is the nucleus magnetic hydrogen spectrum figure of 4- (4- fluorophenyl) -6,7- dimethyl quinoline (compound 6a) in the present invention;
Figure 11 is the nucleus magnetic hydrogen spectrum figure of 4- (6,7- dimethoxy quinoline quinoline -4- base) benzonitrile (compound 6b) in the present invention;
Figure 12 is 6,8- dimethoxy -3- (3,4,5- trimethoxyphenyl) -1,2,3,4- tetrahydroisoquinoline in the present invention The nucleus magnetic hydrogen spectrum figure of (compound 7).
Specific embodiment
The embodiment of the present invention is described in detail below, it should be noted that the present embodiment is narrative, is not limited , this does not limit the scope of protection of the present invention.
Raw material used in the present invention is unless otherwise specified conventional commercial product;Used in the present invention Method is unless otherwise specified the conventional method of this field.
A kind of isoquinilone derivatives with hypoglycemic activity, the isoquinolin are 3- aryl isoquinolines derivative and/or 4- Aryl quinoline derivatives;
Wherein, the general structure II of general structure I, 4- aryl quinoline derivatives of the 3- aryl isoquinolines derivative is such as Under:
Wherein, R in general formula I1For 6,8- dimethoxy, 6,8- dihydroxy, 6- hydroxyl -8- methoxyl group, 6- methoxyl group -8- hydroxyl Base, R2For substituted or non-substituted furans, pyrroles, pyrimidine, phenyl;R in general formula II1For 6,7- dimethoxy, R2For replace or it is non- Substituted furans, pyrroles, pyrimidine, phenyl.
More preferably, the synthetic route and preparation step of the 3- aryl isoquinolines derivative are as follows:
Wherein, preparing above-mentioned isoquinilone derivatives 4, specific step is as follows:
(1) at 0 DEG C, by POCl3It is added drop-wise in DMF, is warmed to room temperature after solidification, benzyl cyanide, POCl is added3: DMF: take Equivalent proportion for benzene acetonitrile is 1.5:1.5:1.0,65 DEG C of reaction 1h to reaction solidification yellowly, monitoring after reaction, with satisfying And NaHCO3It is extracted with ethyl acetate, collects organic phase and drying, silica gel chromatographic column chromatograph to obtain light yellow compound 2;
(2) under argon gas protection, by step, (1) gained desciccate 2 is dissolved in toluene, is added and is replaced phenyl boric acid, PdCl2 (dppf), desciccate 2: cesium carbonate replaces phenyl boric acid: PdCl2(dppf): the equivalent proportion of cesium carbonate is 1.0:1.2:0.05: 3,6h is reacted at 125 DEG C, after fully reacting, is diluted, is washed with water with ethyl acetate, organic layer Na2SO4After drying, filtering Solvent evaporated, silica gel chromatography obtain compound 3;
(3) compound 3 is dissolved in methylene chloride, at 0 DEG C, BBr is added dropwise3, compound 3:BBr3Equivalent proportion be 1:3, room Temperature reaction 12h is quenched with ice water after reaction, is extracted with saturated sodium carbonate and ethyl acetate, is collected organic phase and drying, Silica gel chromatographic column chromatographs to obtain compound 4 to get 3- aryl isoquinolines derivative.
More preferably, the synthetic route and preparation step of the 4- aryl quinoline derivatives are as follows:
Wherein, preparing above-mentioned quinoline 6, specific step is as follows:
Under argon gas protection, quinoline raw material is dissolved in toluene, is added and is replaced phenyl boric acid, PdCl2(dppf), cesium carbonate, quinoline Raw material: replace phenyl boric acid: PdCl2(dppf): the equivalent proportion of cesium carbonate is 1.0:1.2:0.05:3,6h is reacted at 125 DEG C, instead After answering completely, is diluted, be washed with water with ethyl acetate, organic layer Na2SO4Dry, filter rear solvent evaporated, silica gel column chromatography Purifying obtains product 6 to get 4- aryl quinoline derivatives.
More preferably, the 3- aryl isoquinolines derivative is 3- octaverine, and the 4- aryl quinoline is derivative Object is 4- phenylchinoline derivative;
The general structure IV of general structure III, 4- phenylchinoline derivative of the 3- octaverine is as follows:
Wherein, R in general formula III1For 6,8- dimethoxy, 6,8- dihydroxy, 6- hydroxyl -8- methoxyl group, 6- methoxyl group -8- Hydroxyl, R2For alkyl, trifluoromethyl, methoxyl group, halogen, hydroxyl, nitro or cyano;R in general formula IV1For 6,7- dimethoxy, R2 For alkyl, trifluoromethyl, methoxyl group, halogen, hydroxyl, nitro or cyano.
More preferably, the synthetic route and preparation step of the 3- octaverine are as follows:
Using benzyl cyanide as raw material, corresponding derivative is then formed by the substituent group of Suzuki coupling reaction, so 3 demethylation of compound is obtained into serial hydroxy derivatives 4 to get 3- octaverine afterwards:
More preferably, the synthetic route and preparation step of the 4- phenylchinoline derivative are as follows:
Using substd quinolines as raw material, compound 6 is obtained to get 4- phenylchinoline derivative by Suzuki coupling reaction;
More preferably, the 3- aryl isoquinolines derivative is 3- substituted-phenyl Hydroisoquinoline derivatives;
The general structure V of the 3- substituted-phenyl Hydroisoquinoline derivatives is as follows:
Wherein, R1For 6,8- dimethoxy, 6,8- dihydroxy, 6- hydroxyl -8- methoxyl group, 6- methoxyl group -8- hydroxyl;R2For Alkyl, trifluoromethyl, methoxyl group, halogen, hydroxyl, nitro or cyano;R3For hydrogen.
More preferably, the synthetic route of the 3- substituted-phenyl Hydroisoquinoline derivatives and the preparation method is as follows: with chemical combination Object 3 is raw material, and catalytic hydrogen reduction obtains compound 7 to get 3- substituted-phenyl Hydroisoquinoline derivatives;
The above-mentioned isoquinilone derivatives with hypoglycemic activity can be applied in terms of inhibit alpha-glucosidase activity.
The above-mentioned isoquinilone derivatives with hypoglycemic activity can be applied in terms of prepare antidiabetic medicine.
More specifically:
A kind of isoquinilone derivatives with hypoglycemic activity, preparing for the derivative are as follows:
One, 3- aryl isoquinolines derivative 4 is synthesized by the following way route and obtains:
Wherein, above-mentioned isoquinilone derivatives 4 are prepared specifically include the following steps:
At (1) 0 DEG C, by POCl3(1.5eq) is added drop-wise in DMF (1.5eq), is warmed to room temperature after solidification, and substituted benzene second is added Nitrile (1.0eq), 65 DEG C of reaction 1h to reaction solidification yellowly are monitored after reaction, with saturation NaHCO3Extract with ethyl acetate It takes, collects organic phase and drying, silica gel chromatographic column chromatograph to obtain light yellow compound 2;
(2) under argon gas protection, by step, (1) gained desciccate 2 (1.0eq.) is dissolved in toluene, is added and is replaced phenyl boric acid (1.2eq.)、PdCl2(dppf) (0.05eq.), cesium carbonate (3eq), about 6h is reacted at 125 DEG C, after fully reacting, uses acetic acid Ethyl ester dilution, is washed with water, organic layer Na2SO4Rear solvent evaporated is dried, filtered, silica gel chromatography obtains compound 3.
(3) product 3 (1eq) is dissolved in methylene chloride, at 0 DEG C, BBr is added dropwise3(3eq) reacts at room temperature 12h, reaction knot Shu Hou is quenched with ice water, is extracted with saturated sodium carbonate and ethyl acetate, collects organic phase and drying, silica gel chromatographic column chromatograph To compound 4.
Correlation preparation embodiment is as follows:
Embodiment 1
The synthesis of 4- (6,8- dimethylisoquinoline -3- base) benzonitrile (compound 3a).
At (1) 0 DEG C, by POCl3(1.5eq) is added drop-wise in DMF (1.5eq), is warmed to room temperature after solidification, and 3,5- diformazan is added Oxygroup benzene acetonitrile (1.0eq), 65 DEG C of reaction 1h to reaction solidification yellowly are monitored after reaction, with saturation NaHCO3And second Acetoacetic ester extraction, collects organic phase and drying, silica gel chromatographic column chromatograph to obtain light yellow product;
(2) under argon gas protection, by step, (1) gained desciccate (1.0eq.) is dissolved in toluene, and 4- cyanophenylboronic acid is added (1.2eq.)、PdCl2(dppf) (0.05eq.), cesium carbonate (3eq), about 6h is reacted at 125 DEG C, after fully reacting, uses acetic acid Ethyl ester dilution, is washed with water, organic layer Na2SO4Rear solvent evaporated is dried, filtered, silica gel chromatography obtains product 3.
Structural parameters:1H NMR(400MHz,CDCl3) δ 9.50 (s, 1H), 8.21 (d, J=8.4Hz, 2H), 7.92 (s, 1H), 7.77 (d, J=8.0Hz, 2H), 6.71 (s, 1H), 6.55 (d, J=1.2Hz, 1H), 4.01 (s, 3H), 3.95 (s, 3H), As shown in Figure 1.
Embodiment 2
The synthesis of 3- (4- fluorophenyl) -6,8- dimethoxy-isoquinoline (compound 3b).
Synthetic method of the synthetic method of embodiment 2 with above-described embodiment 1.
Yield: 35%;Structural parameters:1H NMR(400MHz,CDCl3)δ9.46(s,1H),8.06(dd,J1=5.6Hz, J2=8.8Hz, 2H), 7.81 (s, 1H), 7.16 (t, J=8.8Hz, 2H), 6.66 (d, J=2.0Hz, 1H), 6.48 (d, J= 2.0Hz, 1H), 3.99 (s, 3H), 3.93 (s, 3H), as shown in Figure 2.
Embodiment 3
The synthesis of 6,8- dimethoxy -3- (4- (trifluoromethyl) phenyl) isoquinolin (compound 3c).
Synthetic method of the synthetic method of embodiment 3 with above-described embodiment 1.
Yield: 35%;Structural parameters:1H NMR(400MHz,CDCl3) δ 9.50 (s, 1H), 8.20 (d, J=8.0Hz, 2H), 7.90 (s, 1H), 7.73 (d, J=8.4Hz, 2H), 6.69 (d, J=1.6Hz, 1H), 6.52 (d, J=1.6Hz, 1H), 4.00 (s, 3H), 3.94 (s, 3H), as shown in Figure 3.
Embodiment 4
The synthesis of 6,8- dimethoxy -3- (4- nitrobenzophenone) isoquinolin (compound 3d).
Synthetic method of the synthetic method of embodiment 4 with above-described embodiment 1.
Yield: 35%;Structural parameters:1HNMR(400MHz,CDCl3) δ 9.52 (s, 1H), 8.34 (d, J=8.8Hz, 2H), 8.28 (d, J=8.8Hz, 2H), 7.98 (s, 1H), 6.74 (d, J=2.0Hz, 1H), 6.57 (d, J=1.6Hz, 1H), 4.02 (s, 3H), 3.96 (s, 3H), as shown in Figure 4.
Embodiment 5
The synthesis of 6,8- dimethoxy -3- (3,4,5- trimethoxyphenyl) isoquinolin (compound 3e).
Synthetic method of the synthetic method of embodiment 5 with above-described embodiment 1.
Yield: 45%;Structural parameters:1H NMR(400MHz,CDCl3)δ9.47(s,1H),7.82(s,1H),7.263(s, 2H), 6.69 (s, 1H), 6.49 (s, 1H), 3.99-4.00 (m, 9H), 3.94 (s, 3H), 3.91 (s, 3H), as shown in Figure 5.
Embodiment 6
The synthesis of 3- (furans -2- base) -6,8- dimethoxy-isoquinoline (compound 3f).
Synthetic method of the synthetic method of embodiment 6 with above-described embodiment 1.
Yield: 25%;Structural parameters:1H NMR(400MHz,CDCl3)δ9.39(s,1H),7.85(s,1H),7.54(t,J =0.8Hz, 1H), 7.10 (d, J=3.2Hz, 1H), 6.66 (d, J=1.6Hz, 1H), 6.55 (t, J=1.6Hz, 1H), 6.47 (d, J=2.4Hz, 1H), 3.98 (s, 3H), 3.93 (s, 3H), as shown in Figure 6.
Embodiment 7
The synthesis of 3- (4- fluorophenyl) isoquinolin -6,8- glycol (compound 4a).
3- (4- fluorophenyl) -6,8- dimethoxy-isoquinoline (1eq) is dissolved in methylene chloride, at 0 DEG C, BBr is added dropwise3 (3eq), room temperature reaction 12h are quenched with ice water after reaction, are extracted with saturated sodium carbonate and ethyl acetate, collect organic phase And it is dry, silica gel chromatographic column chromatographs to obtain product 4.
Yield: 5%;Structural parameters:1H NMR(400MHz,CD3OD-d4)δ9.17(s,1H),7.87(dd,J1= 5.6Hz,J2=8.8Hz, 2H), 7.76 (s, 1H), 7.15 (t, J=8.8Hz, 2H), 6.60 (d, J=1.6Hz, 1H), 6.46 (d, J=1.6Hz, 1H), as shown in Figure 7.
Embodiment 8
The synthesis of 3- (4- fluorophenyl) -8- methoxyisoquinoliae -6- alcohol (compound 4b).
Synthetic method of the synthetic method of embodiment 8 with above-described embodiment 7.
Yield: 15%;Structural parameters:1H NMR(400MHz,CD3OD-d4)δ9.24(s,1H),7.87(m,2H),7.87 (s, 1H), 7.13 (t, J=8.8Hz, 2H), 6.73 (d, J=2.0Hz, 1H), 6.44 (d, J=2.4Hz, 1H), 3.82 (s, 3H), as shown in Figure 8.
Embodiment 9
The synthesis of 3- (4- fluorophenyl) -6- methoxy quinoline -8- alcohol (compound 4c).
Synthetic method of the synthetic method of embodiment 9 with above-described embodiment 7.
Yield: 30%;Structural parameters:1H NMR(400MHz,CD3OD-d4)δ9.19(s,1H),7.90(dd,J1= 5.2Hz,J2=8.4Hz, 2H), 7.75 (s, 1H), 7.12 (t, J=8.8Hz, 2H), 6.64 (d, J=1.2Hz, 1H), 6.51 (d, J=1.6Hz, 1H), 3.93 (s, 3H), as shown in Figure 9.
Two, 4- aryl quinoline derivatives IV's the preparation method is as follows:
Wherein prepare above-mentioned quinoline 6 specifically include the following steps:
Under argon gas protection, quinoline raw material (1.0eq.) is dissolved in toluene, is added and is replaced phenyl boric acid (1.2eq.), PdCl2 (dppf) (0.05eq.), cesium carbonate (3eq), about 6h is reacted at 125 DEG C, after fully reacting, is diluted with ethyl acetate, uses water Washing, organic layer Na2SO4Rear solvent evaporated is dried, filtered, silica gel chromatography obtains product 6.
Specific preparation embodiment is as follows:
Embodiment 10
The synthesis of 4- (4- fluorophenyl) -6,7- dimethyl quinoline (compound 6a).
Under argon gas protection, chloro- 6, the 7- dimethoxy-quinoline (1.0eq.) of 4- is dissolved in toluene, is added to fluorobenzoic boric acid (1.2eq.)、PdCl2(dppf) (0.05eq.), cesium carbonate (3eq), about 6h is reacted at 125 DEG C, after fully reacting, uses acetic acid Ethyl ester dilution, is washed with water, organic layer Na2SO4Rear solvent evaporated is dried, filtered, silica gel chromatography obtains compound 6a。
Yield: 56%;Structural parameters:1H NMR(400MHz,CDCl3) δ 8.74 (d, J=4.8Hz, 1H), 7.47-7.50 (m, 3H), 7.25 (t, J=8.0Hz, 2H), 7.16 (d, J=4.8Hz, 1H), 7.09 (s, 1H), 4.05 (s, 3H), 3.85 (s, 3H), as shown in Figure 10.
Embodiment 11
The synthesis of 4- (6,7- dimethoxy quinoline quinoline -4- base) benzonitrile (compound 6b).
Synthetic method of the synthetic method of embodiment 11 with above-described embodiment 10.
Yield: 62%;Structural parameters:1H NMR(400MHz,CDCl3) δ 8.78 (d, J=4.4Hz, 1H), 7.84 (d, J= 8.4Hz, 2H), 7.64 (d, J=8.4Hz, 2H), 7.51 (s, 1H), 7.16 (d, J=4.4Hz, 1H), 6.97 (s, 1H), 4.06 (s, 3H), 3.85 (s, 3H), as shown in figure 11.
Three, 3- substituted-phenyl Hydroisoquinoline derivatives V's the preparation method is as follows:
Isoquinilone derivatives V are synthesized by the following way route and obtain:
Compound III (1eq) is dissolved in dehydrated alcohol, PtO is added2(0.3eq) is passed through hydrogen catalytic hydrogenation, reaction After, filtering reacting liquid is evaporated, the compound 7 of column chromatogram chromatography.
Embodiment 12
The synthesis of 6,8- dimethoxy -3- (3,4,5- trimethoxyphenyl) -1,2,3,4- tetrahydroisoquinoline (compound 7)
6,8- dimethoxy -3- (3,4,5- trimethoxyphenyl) isoquinolin (compound 3e) (1eq) is dissolved in anhydrous second In alcohol, PtO is added2(0.3eq) is passed through hydrogen catalytic hydrogenation, and after reaction, filtering reacting liquid is evaporated, and column chromatogram chromatography obtains Compound 7.
Yield: 26%;Structural parameters:1H NMR(400MHz,CDCl3) δ 6.68 (s, 1H), 6.31 (d, J=1.6Hz, 1H), 6.24 (s, 1H), 4.22 (d, J=15.6Hz, 1H), 3.78-3.87 (m, 15H), 2.87-2.98 (m, 2H), such as Figure 12 institute Show.
The compounds of this invention inhibits alpha-glucosidase activity evaluation:
Using screening micropore plate model, using p-nitrophenyl-α-D- glucopyranose as substrate, test compound difference is dense The inhibitory activity of alpha-glucosidase under degree.Experiment is divided into blank group, the control group of without inhibitor and sample to be tested group.Face The alpha-glucosidase restrainer acarbose that bed uses is as positive control medicine.Inhibitor and acarbose are dissolved in DMSO, DMSO solution mass content in enzyme test system is 5%;Buffer is phosphate buffer (pH=6.8,0.05M), to nitre Base phenyl-α-D- glucopyranose is dissolved in phosphate buffer.
(1) buffer, 200 μ L of total volume blank group: is added.
(2) sample to be tested (10 μ L) of buffer (190 μ L) and various concentration, without inhibitor control group: is added.
(3) buffer (150 μ L), alpha-glucosidase (0.04U, 20 μ L) and substrate p-nitrophenyl-control group: is added The aqueous solution of α-D- glucopyranose (0.5M, 30 μ L).
(4) sample to be tested group: being added buffer (140 μ L), alpha-glucosidase (0.04U, 20 μ L), sample to be tested DMSO solution (10 μ L) and substrate p-nitrophenyl-α-D- glucopyranose (0.5M, 30 μ L).
In 96 orifice plates, according to different experiments group, it is separately added into buffer, the sample to be tested of various concentration, phlorose The DMSO solution of glycosides enzyme and sample to be tested applies 5min in 37 DEG C of temperature, adds substrate p-nitrophenyl-α-D- glucopyranose, The deposited 30min of temperature, absorbance is measured at microplate reader 405nm wavelength, calculates the inhibitor to alpha-glucosaccharase according to following equation The inhibiting rate of enzyme.
OD value is the absorbance value under microplate reader test.
The alpha-glucosaccharase enzyme inhibition activity of 1 compound of table and positive control acarbose
aThe inhibiting rate when inhibiting rate of acarbose is 250 μM.
By 1 result of table it is known that such compound has certain inhibitory activity to alpha-glucosidase.
Although disclosing the embodiment of the present invention for the purpose of illustration, it will be appreciated by those skilled in the art that: not Be detached from the present invention and spirit and scope of the appended claims in, various substitutions, changes and modifications be all it is possible, therefore, this The range of invention is not limited to the embodiment and attached drawing disclosure of that.

Claims (10)

1. a kind of isoquinilone derivatives with hypoglycemic activity, it is characterised in that: the isoquinolin is derivative for 3- aryl isoquinolines Object and/or 4- aryl quinoline derivatives;
Wherein, the general structure II of general structure I, 4- aryl quinoline derivatives of the 3- aryl isoquinolines derivative is as follows:
Wherein, R in general formula I1For 6,8- dimethoxy, 6,8- dihydroxy, 6- hydroxyl -8- methoxyl group, 6- methoxyl group -8- hydroxyl, R2 For substituted or non-substituted furans, pyrroles, pyrimidine, phenyl;R in general formula II1For 6,7- dimethoxy, R2It is substituted or non-substituted Furans, pyrroles, pyrimidine, phenyl.
2. the isoquinilone derivatives according to claim 1 with hypoglycemic activity, it is characterised in that: the 3- aryl isoquinoline The synthetic route and preparation step of quinoline derivant are as follows:
Wherein, preparing above-mentioned isoquinilone derivatives 4, specific step is as follows:
(1) at 0 DEG C, by POCl3It is added drop-wise in DMF, is warmed to room temperature after solidification, benzyl cyanide, POCl is added3: DMF: substituted benzene The equivalent proportion of acetonitrile is 1.5:1.5:1.0, and 65 DEG C of reaction 1h are monitored to reaction solidification yellowly after reaction, with saturation NaHCO3It is extracted with ethyl acetate, collects organic phase and drying, silica gel chromatographic column chromatograph to obtain light yellow compound 2;
(2) under argon gas protection, by step, (1) gained desciccate 2 is dissolved in toluene, is added and is replaced phenyl boric acid, PdCl2(dppf), carbon Desciccate 2: sour caesium replaces phenyl boric acid: PdCl2(dppf): the equivalent proportion of cesium carbonate is 1.0:1.2:0.05:3, at 125 DEG C Lower reaction 6h, after fully reacting, is diluted with ethyl acetate, is washed with water, organic layer Na2SO4Rear solvent evaporated is dried, filtered, Silica gel chromatography obtains compound 3;
(3) compound 3 is dissolved in methylene chloride, at 0 DEG C, BBr is added dropwise3, compound 3:BBr3Equivalent proportion be 1:3, room temperature is anti- It answers 12h, after reaction, be quenched with ice water, is extracted with saturated sodium carbonate and ethyl acetate, collect organic phase and drying, silica gel Column chromatography obtains compound 4 to get 3- aryl isoquinolines derivative.
3. the isoquinilone derivatives according to claim 1 with hypoglycemic activity, it is characterised in that: the 4- aryl quinoline The synthetic route and preparation step of derivative are as follows:
Wherein, preparing above-mentioned quinoline 6, specific step is as follows:
Under argon gas protection, quinoline raw material is dissolved in toluene, is added and is replaced phenyl boric acid, PdCl2(dppf), cesium carbonate, quinoline raw material: Replace phenyl boric acid: PdCl2(dppf): the equivalent proportion of cesium carbonate is 1.0:1.2:0.05:3, reacts 6h at 125 DEG C, has reacted Quan Hou is diluted with ethyl acetate, is washed with water, organic layer Na2SO4Dry, filter rear solvent evaporated, silica gel chromatography Product 6 is obtained to get 4- aryl quinoline derivatives.
4. the isoquinilone derivatives according to claim 1 with hypoglycemic activity, it is characterised in that: the 3- aryl isoquinoline Quinoline derivant is 3- octaverine, and the 4- aryl quinoline derivatives are 4- phenylchinoline derivative;
The general structure IV of general structure III, 4- phenylchinoline derivative of the 3- octaverine is as follows:
Wherein, R in general formula III1For 6,8- dimethoxy, 6,8- dihydroxy, 6- hydroxyl -8- methoxyl group, 6- methoxyl group -8- hydroxyl, R2For alkyl, trifluoromethyl, methoxyl group, halogen, hydroxyl, nitro or cyano;R in general formula IV1For 6,7- dimethoxy, R2For alkane Base, trifluoromethyl, methoxyl group, halogen, hydroxyl, nitro or cyano.
5. the isoquinilone derivatives according to claim 4 with hypoglycemic activity, it is characterised in that: the 3- phenyl isoquinolin The synthetic route and preparation step of quinoline derivant are as follows:
Using benzyl cyanide as raw material, corresponding derivative is then formed by the substituent group of Suzuki coupling reaction, then will 3 demethylation of compound obtains serial hydroxy derivatives 4 to get 3- octaverine:
6. the isoquinilone derivatives according to claim 4 with hypoglycemic activity, it is characterised in that: the 4- phenylchinoline The synthetic route and preparation step of derivative are as follows:
Using substd quinolines as raw material, compound 6 is obtained to get 4- phenylchinoline derivative by Suzuki coupling reaction;
7. the isoquinilone derivatives according to claim 1 with hypoglycemic activity, it is characterised in that: the 3- aryl isoquinoline Quinoline derivant is 3- substituted-phenyl Hydroisoquinoline derivatives;
The general structure V of the 3- substituted-phenyl Hydroisoquinoline derivatives is as follows:
Wherein, R1For 6,8- dimethoxy, 6,8- dihydroxy, 6- hydroxyl -8- methoxyl group, 6- methoxyl group -8- hydroxyl;R2For alkyl, Trifluoromethyl, methoxyl group, halogen, hydroxyl, nitro or cyano;R3For hydrogen.
8. the isoquinilone derivatives according to claim 7 with hypoglycemic activity, it is characterised in that: the 3- substituted-phenyl The synthetic route of Hydroisoquinoline derivatives and the preparation method is as follows: be raw material with compound 3, catalytic hydrogen reduction obtains chemical combination Object 7 is to get 3- substituted-phenyl Hydroisoquinoline derivatives;
9. the isoquinilone derivatives as claimed in any one of claims 1 to 8 with hypoglycemic activity are inhibiting alpha-glucosidase Application in active aspect.
10. the isoquinilone derivatives as claimed in any one of claims 1 to 8 with hypoglycemic activity are preparing antidiabetic medicine Application in aspect.
CN201910085622.1A 2019-01-29 2019-01-29 A kind of isoquinilone derivatives and application with hypoglycemic activity Pending CN109776413A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201910085622.1A CN109776413A (en) 2019-01-29 2019-01-29 A kind of isoquinilone derivatives and application with hypoglycemic activity

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201910085622.1A CN109776413A (en) 2019-01-29 2019-01-29 A kind of isoquinilone derivatives and application with hypoglycemic activity

Publications (1)

Publication Number Publication Date
CN109776413A true CN109776413A (en) 2019-05-21

Family

ID=66503489

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201910085622.1A Pending CN109776413A (en) 2019-01-29 2019-01-29 A kind of isoquinilone derivatives and application with hypoglycemic activity

Country Status (1)

Country Link
CN (1) CN109776413A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112047882A (en) * 2020-10-15 2020-12-08 天津科技大学 New application of isoquinoline and quinoline derivatives in preparation of blood fat reducing drugs
CN115286572A (en) * 2022-07-15 2022-11-04 绍兴文理学院 4-acyl-isoquinoline derivative and preparation method and application thereof
CN115417817A (en) * 2022-09-23 2022-12-02 徐州医科大学 Preparation method of 4-amino-4-phenylisoquinoline-1,3-diketone derivative

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992020642A1 (en) * 1991-05-10 1992-11-26 Rhone-Poulenc Rorer International (Holdings) Inc. Bis mono-and bicyclic aryl and heteroaryl compounds which inhibit egf and/or pdgf receptor tyrosine kinase
CN101641339A (en) * 2007-02-01 2010-02-03 雷斯韦洛吉克斯公司 Be used to prevent and treat the compound of cardiovascular disorder
WO2012136910A1 (en) * 2011-04-08 2012-10-11 Université De Marseille Derivatives of 4-arylcoumarin and 4-arylquinoline, therapeutic uses thereof and method for synthesising same
CN104447550A (en) * 2014-12-01 2015-03-25 张晓凤 Compound used as allergy preventing agent
CN111315723A (en) * 2017-08-31 2020-06-19 艾伯维公司 Extramembranous nucleotide pyrophosphatase-phosphodiesterase 1(ENPP-1) inhibitor and application thereof

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992020642A1 (en) * 1991-05-10 1992-11-26 Rhone-Poulenc Rorer International (Holdings) Inc. Bis mono-and bicyclic aryl and heteroaryl compounds which inhibit egf and/or pdgf receptor tyrosine kinase
EP0584222A1 (en) * 1991-05-10 1994-03-02 Rhone Poulenc Rorer Int Bis mono-and bicyclic aryl and heteroaryl compounds which inhibit egf and/or pdgf receptor tyrosine kinase.
CN101641339A (en) * 2007-02-01 2010-02-03 雷斯韦洛吉克斯公司 Be used to prevent and treat the compound of cardiovascular disorder
WO2012136910A1 (en) * 2011-04-08 2012-10-11 Université De Marseille Derivatives of 4-arylcoumarin and 4-arylquinoline, therapeutic uses thereof and method for synthesising same
CN104447550A (en) * 2014-12-01 2015-03-25 张晓凤 Compound used as allergy preventing agent
CN111315723A (en) * 2017-08-31 2020-06-19 艾伯维公司 Extramembranous nucleotide pyrophosphatase-phosphodiesterase 1(ENPP-1) inhibitor and application thereof

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
EDWARD A. FEHNEL,等: "Quinoline Analogs of Podophyllotoxin. I. Preliminary Experiments. Syntheses of Some 4-Phenylquinoline Derivatives", 《JOURNAL OF ORGANIC CHEMISTRY》 *
S. AHMAD, W. 6. WHALLEY,等: "The Chemistry of Fungi. Part LXVP A New Synthesis of lsoquinolines", 《JOURNAL OF THE CHEMICAL SOCIETY [SECTION] C: ORGANIC》 *

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112047882A (en) * 2020-10-15 2020-12-08 天津科技大学 New application of isoquinoline and quinoline derivatives in preparation of blood fat reducing drugs
CN115286572A (en) * 2022-07-15 2022-11-04 绍兴文理学院 4-acyl-isoquinoline derivative and preparation method and application thereof
CN115286572B (en) * 2022-07-15 2023-10-13 绍兴文理学院 4-acyl-isoquinoline derivative and preparation method and application thereof
CN115417817A (en) * 2022-09-23 2022-12-02 徐州医科大学 Preparation method of 4-amino-4-phenylisoquinoline-1,3-diketone derivative
CN115417817B (en) * 2022-09-23 2023-06-20 徐州医科大学 Process for preparing 4-amino-4-phenylisoquinoline-1, 3-dione derivatives

Similar Documents

Publication Publication Date Title
CN113164409B (en) Compounds having estrogen receptor alpha degrading activity and uses thereof
CA2617213C (en) Pharmaceutical compositions for the prevention and treatment of complex diseases and their delivery by insertable medical devices
CN109776413A (en) A kind of isoquinilone derivatives and application with hypoglycemic activity
Chang et al. Synthesis and antiproliferative evaluations of certain 2-phenylvinylquinoline (2-styrylquinoline) and 2-furanylvinylquinoline derivatives
Iwasaki et al. Novel selective PDE IV inhibitors as antiasthmatic agents. Synthesis and biological activities of a series of 1-aryl-2, 3-bis (hydroxymethyl) naphthalene lignans
US20090259048A1 (en) Flavanoids and isoflavanoids for the prevention and treatment of cardiovascular diseases
Zubkov et al. A new approach to construction of isoindolo [1, 2-a] isoquinoline alkaloids Nuevamine, Jamtine, and Hirsutine via IMDAF reaction
Rajguru et al. Solvent-free, green and efficient synthesis of pyrano [4, 3-b] pyrans by grinding and their biological evaluation as antitumor and antioxidant agents
CN103320118A (en) Schiff base cooper ion fluorescence probe and preparation method thereof
CN102924421B (en) Preparation method and application of compound having tyrosinase inhibitory activity
CN100586937C (en) Ligustrazine stilbenoids derivatives, preparation method thereof, medicament composition and use
Meyer et al. Benzylisoquinoline alkaloids from the Papaveraceae: The heritage of Johannes Gadamer (1867–1928)
Krishnakumar et al. Quinoline-3-carboxylates as potential antibacterial agents
Zhou et al. Synthesis and antitumor activity of scopoletin derivatives
CN103159755A (en) Alpha-glycosidase inhibitor preparation method and purpose
CN111303026A (en) Propenone derivative of enrofloxacin and preparation method and application thereof
Shirokova et al. 1, 5-Hydride-Shift-Triggered Cyclization for the Synthesis of Unsymmetric Julolidines
Goodwin et al. Alkaloids of Lunasia amara Blanco. Structure of lunacrine
CN102584773B (en) Method for preparing mangiferin aglycone
CA1159068A (en) Carbostyril derivatives
CN111646937B (en) Propenone derivative of N-acetyl ciprofloxacin and preparation method and application thereof
CN100348591C (en) Substituted methylene pyrones derivatives and their preparing process and use
CN108864089A (en) A kind of new indole and pyridone drug molecule and its preparation method and application
CN113072481B (en) Indolo-cyclobutane skeleton compound, synthesis method and application
CN111646975B (en) N-methyl lomefloxacin allyl ketone derivative and preparation method and application thereof

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20190521