Embodiment
Below in conjunction with embodiment, the structure of the compound shown in general formula I of the present invention and preparation method are further elaborated, but do not limit the present invention.
Preparation embodiment
Embodiment 1
The preparation of compound VI I
By compound VI II (159g, 0.924mol) join in there-necked flask, add pyridine (2.5L) again, ethyl chloride (141.9 is dripped under room temperature, 1.1mol), dropwise, continue stirring at room temperature 2 hours, TLC point plate (iodine colour developing) monitoring raw material spot disappears, add dilute hydrochloric acid and ethyl acetate, extraction, stratification, separate organic layer, add anhydrous sodium sulfate drying, filter, filtrate reduced in volume, obtain compound as white solid VII268.4g, yield 91%.
1HNMR(400MHz,DMSO-d6):δppm4.12(t,2H),3.61(t,2H),3.09(m,2H),2.98-2.86(m,4H),2.64(m,2H),1.68(m,2H),1.29(m,3H),1.27(m,3H);ESI/MS:m/z=265(M+H)+。
The preparation of compound VI
By compound VI I (260g, 0.98mol) join in anhydrous methanol 4L, slowly add sodium borohydride (93g, 2.45mol), stirring at room temperature 4 hours in batches, TLC point plate (iodine colour developing) monitoring raw material spot disappears, concentrating under reduced pressure removes most of methyl alcohol, is cooled to 0 DEG C, drips dilute hydrochloric acid, adularescent solid is separated out, add water and ethyl acetate again, extraction, layering, separate organic phase, with anhydrous sodium sulfate drying, filter, filtrate reduced in volume, obtain compound as white solid VI171.8g, yield 79%.
1HNMR(400MHz,DMSO-d6):δppm4.59(s,2H),3.60(t,2H),3.08(m,2H),2.99-2.87(m,4H),2.65(m,2H),1.96(s,1H),1.69(m,2H),1.28(m,3H);ESI/MS:m/z=223(M+H)+。
The preparation of compound V
By compound VI (170g, 0.766mol) join in acetic acid 2L, add Hydrogen bromide 1.5L again, heating reflux reaction 6 hours, TLC point plate (iodine colour developing) monitoring raw material spot disappears, concentrating under reduced pressure removes most of solvent, then is cooled to less than 5 DEG C, drips saturated sodium bicarbonate aqueous solution, regulate Ph=9, add dichloromethane extraction, layering, separate organic phase, with anhydrous sodium sulfate drying, concentrated, residuum re-crystallizing in ethyl acetate obtains off-white color solid 178g, yield 82%.
1HNMR(400MHz,DMSO-d6):δppm4.24(s,2H),3.59(t,2H),3.07(m,2H),2.98-2.84(m,4H),2.64(m,2H),1.70(m,2H),1.29(m,3H);ESI/MS:m/z=285(M+H)+。
The preparation of compound IV
Joined in 2.8L anhydrous tetrahydro furan by compound V (175g, 0.616mol), add magnesium chips, then add iodine, be heated to 45 DEG C, react 5 hours, be cooled to room temperature, reaction solution is directly used in next step reaction.
The preparation of compound III
Three chlorotriazines (109.8g, 0.6mol) are joined in 900ml tetrahydrofuran (THF), is cooled to 0 DEG C, be added dropwise to the reaction solution of previous step, continue room temperature reaction 2 hours, TLC point plate monitoring reaction product no longer increases, drip saturated ammonium chloride, add water and extraction into ethyl acetate, layering, separate organic phase, add anhydrous magnesium sulfate, filter, filtrate concentrates, upper silicagel column is separated and obtains light yellow compound III178g, yield 84%.
1HNMR(400MHz,DMSO-d6):δppm3.86(s,2H),3.61(t,2H),3.09(m,2H),2.99-2.86(m,4H),2.65(m,2H),1.71(m,2H),1.30(m,3H);ESI/MS:m/z=354(M+H)+。
The preparation of Compound II per
By compound III (152g, 0.43mol) with morpholine (37.5g, 0.43mol) join 1400mlN, in dinethylformamide, add salt of wormwood (59g, 0.43mol), react 8 hours at 110 DEG C, TLC point plate monitoring raw material spot disappears, and concentrated remove portion solvent, adds water and extraction into ethyl acetate, layering, separate organic layer, then wash three times with water, use anhydrous sodium sulfate drying organic layer, concentrated, residuum dehydrated alcohol: water=6:10 (V:V) recrystallization, obtains compound as white solid II125g, yield 72%.
1HNMR(400MHz,DMSO-d6):δppm3.85(s,2H),3.60(t,2H),3.51(t,4H),3.12(m,2H),2.95-2.81(m,4H),2.89(t,4H),2.64(m,2H),1.69(m,2H),1.31(m,3H);ESI/MS:m/z=405(M+H)+。
The preparation of Compound I-1
By Compound II per (40.4g, 0.1mol) with 5-hydroxy benzo [d] thiazole-2-boric acid (19.5g, 0.1mol) join 700ml1, in 4-dioxane, add salt of wormwood (27.6g again, 0.2mol) with tetrakis triphenylphosphine palladium (2.8g, 0.0025mol), reaction system is filled with rare gas element, react 12 hours at 90 DEG C, TLC monitors the disappearance of raw material spot thirty, add water and ethyl acetate, extraction, layering, separate organic phase, use saturated common salt water washing again three times, organic phase anhydrous sodium sulfate drying, filter, concentrated, residuum re-crystallizing in ethyl acetate, filter, filter cake methylene dichloride is pulled an oar, obtain filter cake, reduced vacuum drying obtains white solid product 29.0g, yield 56%.
1HNMR(400MHz,DMSO-d6):δppm7.92(d,1H),7.61(s,1H),7.38(d,1H),3.86(s,2H),3.62(t,2H),3.52(t,4H),3.13(m,2H),2.96-2.80(m,4H),2.87(t,4H),2.66(m,2H),2.32(s,1H),1.71(m,2H),1.32(m,3H);ESI/MS:m/z=520(M+H)+。
Embodiment 2
The preparation of Compound I-2
By Compound II per (40.4g, 0.1mol) with 5-propyl group benzo [d] thiazole-2-boric acid (23.7g, 0.1mol) join 700ml1, in 4-dioxane, add salt of wormwood (27.6g again, 0.2mol) with tetrakis triphenylphosphine palladium (2.8g, 0.0025mol), reaction system is filled with rare gas element, react 12 hours at 90 DEG C, TLC monitors the disappearance of raw material spot thirty, add water and ethyl acetate, extraction, layering, separate organic phase, use saturated common salt water washing again three times, organic phase anhydrous sodium sulfate drying, filter, concentrated, residuum re-crystallizing in ethyl acetate, filter, filter cake methylene dichloride is pulled an oar, obtain filter cake, reduced vacuum drying obtains white solid product 29.3g, yield 55%.
1HNMR(400MHz,DMSO-d6):δppm7.93(d,1H),7.62(s,1H),7.41(d,1H),3.87(s,2H),3.63(t,2H),3.54(t,4H),3.47(s,3H),3.15(m,2H),2.97-2.80(m,4H),2.88(t,4H),2.67(m,2H),1.70(m,2H),1.31(m,3H);ESI/MS:m/z=534(M+H)+。
Embodiment 3
The preparation of Compound I-3
By Compound II per (40.4g, 0.1mol) with 5-oxyethyl group benzo [d] thiazole-2-boric acid (22.3g, 0.1mol) join 700ml1, in 4-dioxane, add salt of wormwood (27.6g again, 0.2mol) with tetrakis triphenylphosphine palladium (2.8g, 0.0025mol), reaction system is filled with rare gas element, react 12 hours at 90 DEG C, TLC monitors the disappearance of raw material spot thirty, add water and ethyl acetate, extraction, layering, separate organic phase, use saturated common salt water washing again three times, organic phase anhydrous sodium sulfate drying, filter, concentrated, residuum re-crystallizing in ethyl acetate, filter, filter cake methylene dichloride is pulled an oar, obtain filter cake, reduced vacuum drying obtains white solid product 26.3g, yield 48%.
1HNMR(400MHz,DMSO-d6):δppm7.93(d,1H),7.62(s,1H),7.41(d,1H),3.87(s,2H),3.63(t,2H),3.54(t,4H),3.47(s,3H),3.15(m,2H),2.97-2.80(m,4H),2.88(t,4H),2.67(m,2H),1.70(m,2H),1.31(m,3H);ESI/MS:m/z=548(M+H)+。
Embodiment 4
The preparation of Compound I-4
By Compound II per (40.4g, 0.1mol) with 5-propoxy-benzo [d] thiazole-2-boric acid (23.7g, 0.1mol) join 760ml1, in 4-dioxane, add salt of wormwood (27.6g again, 0.2mol) with tetrakis triphenylphosphine palladium (2.8g, 0.0025mol), reaction system is filled with rare gas element, react 14 hours at 90 DEG C, TLC monitors the disappearance of raw material spot thirty, add water and ethyl acetate, extraction, layering, separate organic phase, use saturated common salt water washing again three times, organic phase anhydrous sodium sulfate drying, filter, concentrated, residuum re-crystallizing in ethyl acetate, filter, filter cake methylene dichloride is pulled an oar, obtain filter cake, reduced vacuum drying obtains white solid product 30.8g, yield 55%.
1HNMR(400MHz,DMSO-d6):δppm7.94(d,1H),7.61(s,1H),7.40(d,1H),3.81(t,2H),3.63(t,2H),3.55(t,4H),3.47(s,3H),3.15(m,2H),2.98-2.81(m,4H),2.88(t,4H),2.67(m,2H),1.70(m,2H),1.63(m,2H),1.45(t,3H),1.30(m,3H);ESI/MS:m/z=562(M+H)+。
Embodiment 5
The preparation of Compound I-5
By Compound II per (40.4g, 0.1mol) with 5-propoxy-benzo [d] thiazole-2-boric acid (23.7g, 0.1mol) join 780ml1, in 4-dioxane, add salt of wormwood (27.6g again, 0.2mol) with tetrakis triphenylphosphine palladium (2.8g, 0.0025mol), reaction system is filled with rare gas element, react 14 hours at 90 DEG C, TLC monitors the disappearance of raw material spot thirty, add water and ethyl acetate, extraction, layering, separate organic phase, use saturated common salt water washing again three times, organic phase anhydrous sodium sulfate drying, filter, concentrated, residuum re-crystallizing in ethyl acetate, filter, filter cake methylene dichloride is pulled an oar, obtain filter cake, reduced vacuum drying obtains white solid product 27.6g, yield 49.3%.
1HNMR(400MHz,DMSO-d6):δppm7.94(d,1H),7.61(s,1H),7.40(d,1H),3.65(m,1H),3.55(t,4H),3.27(t,2H),3.15(m,2H),2.98-2.81(m,4H),2.88(t,4H),2.67(m,2H),1.63(m,2H),1.45(t,6H),1.30(m,3H);ESI/MS:m/z=562(M+H)+。
Embodiment 6
The preparation of Compound I-6
By Compound II per (40.4g, 0.1mol) with 5-propoxy-benzo [d] thiazole-2-boric acid (25.1g, 0.1mol) join 780ml1, in 4-dioxane, add salt of wormwood (27.6g again, 0.2mol) with tetrakis triphenylphosphine palladium (2.8g, 0.0025mol), reaction system is filled with rare gas element, react 14 hours at 90 DEG C, TLC monitors the disappearance of raw material spot thirty, add water and ethyl acetate, extraction, layering, separate organic phase, use saturated common salt water washing again three times, organic phase anhydrous sodium sulfate drying, filter, concentrated, residuum re-crystallizing in ethyl acetate, filter, filter cake methylene dichloride is pulled an oar, obtain filter cake, reduced vacuum drying obtains white solid product 27.1g, yield 48.4%.
1HNMR(400MHz,DMSO-d6):δppm7.91(d,1H),7.60(s,1H),7.41(d,1H),3.58(t,2H),3.54(t,4H),3.28(t,2H),3.16(m,2H),2.99-2.82(m,4H),2.89(t,4H),2.67(m,2H),1.64(m,2H),1.57~1.45(m,4H),1.32(m,3H),1.17(t,3H);ESI/MS:m/z=576(M+H)+。
Embodiment 7
The preparation of Compound I-7
By Compound II per (40.4g, 0.1mol) with 5-isopropoxy benzo [d] thiazole-2-boric acid (25.1g, 0.1mol) join 750ml1, in 4-dioxane, add salt of wormwood (27.6g again, 0.2mol) with tetrakis triphenylphosphine palladium (2.8g, 0.0025mol), reaction system is filled with rare gas element, react 15 hours at 90 DEG C, TLC monitors the disappearance of raw material spot thirty, add water and ethyl acetate, extraction, layering, separate organic phase, use saturated common salt water washing again three times, organic phase anhydrous sodium sulfate drying, filter, concentrated, residuum re-crystallizing in ethyl acetate, filter, filter cake methylene dichloride is pulled an oar, obtain filter cake, reduced vacuum drying obtains white solid product 25.8g, yield 46.2%.
1HNMR(400MHz,DMSO-d6):δppm7.92(d,1H),7.61(s,1H),7.38(d,1H),3.59(m,1H),3.56(t,4H),3.28(t,2H),3.16(m,2H),2.99-2.82(m,4H),2.89(t,4H),2.67(m,2H),1.64(m,2H),1.56(m,2H),1.32(m,3H),1.26(d,3H),1.16(t,3H);ESI/MS:m/z=576(M+H)+。
Embodiment 8
The preparation of Compound I-8
By Compound II per (40.4g, 0.1mol) with 5-isopropoxy benzo [d] thiazole-2-boric acid (25.1g, 0.1mol) join 750ml1, in 4-dioxane, add salt of wormwood (27.6g again, 0.2mol) with tetrakis triphenylphosphine palladium (2.8g, 0.0025mol), reaction system is filled with rare gas element, react 18 hours at 90 DEG C, TLC monitors the disappearance of raw material spot thirty, add water and ethyl acetate, extraction, layering, separate organic phase, use saturated common salt water washing again three times, organic phase anhydrous sodium sulfate drying, filter, concentrated, residuum re-crystallizing in ethyl acetate, filter, filter cake methylene dichloride is pulled an oar, obtain filter cake, reduced vacuum drying obtains white solid product 22.6g, yield 42.7%.
1HNMR(400MHz,DMSO-d6):δppm7.93(d,1H),7.60(s,1H),7.38(d,1H),3.57(t,4H),3.29(t,2H),3.18(m,2H),2.95-2.80(m,4H),2.81(t,4H),2.64(m,2H),1.62(m,2H),1.33(m,3H),1.29(s,9H);ESI/MS:m/z=576(M+H)+。
Compound activity is tested:
Mtt assay is adopted to evaluate the compounds of this invention to the growth-inhibiting effect of many strains human tumor cells.Method: (human lung cancer cell A549, human liver cancer cell HepG2 and Human Prostate Cancer Cells LNCap are with 1.5 × 10 to be in the cell growing logarithmic phase
4concentration kind is in 96 orifice plates.Original substratum is sucked after cell cultures 24h is adherent.Test is divided into blank group, drug treating group.Blank group changes 1640 substratum containing 10% foetal calf serum; It is 100 μMs that drug treating group is changed containing concentration, 50 μMs, 10 μMs, 1 μM, 0.1 μM, 0.01 μM, 0.001 μM, the substratum of 0.0001 μM and 0.00001 μM testing compound.After cultivating 96h, add the MTT of concentration 5mg/mL, continue to be put in CO
24h cultivated by incubator, then sucks 100 μ L supernatants along nutrient solution top, adds 100 μ LDMSO, 10min is placed in dark place, utilize microplate reader to measure light absorption value (wavelength 570nm), and calculate cell survival according to light absorption value, 6 repeating holes are established in each process.Cell survival rate (%)=Δ 0D
drug treating/ Δ 0D
blank× 100.
Sigmaplot10.0 software is adopted to calculate the IC of 8 kinds of compounds suppression various human tumor cell line Growth of Cells respectively
50value is in table 1.
Table 1 the compounds of this invention is to the IC50 value of various human tumor cell line
Above-mentioned experimental result shows, compound of the present invention has significant antiproliferative activity to human lung cancer cell A549, human liver cancer cell HepG2 and Human Prostate Cancer Cells LNCap, these experimental results show that the compounds of this invention can be used for Therapeutic cancer, particularly treat noumenal tumour, as lung cancer, liver cancer and prostate cancer.