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Chemical Structure| 763114-26-7

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Product Details of [ 763114-26-7 ]

CAS No. :763114-26-7
Formula : C16H11FN2O3
M.W : 298.27
SMILES Code : OC(=O)C1=C(F)C=CC(CC2=NNC(=O)C3=CC=CC=C23)=C1
MDL No. :MFCD14636678
InChI Key :PAXLJNGPFJEKQX-UHFFFAOYSA-N
Pubchem ID :24811740

Safety of [ 763114-26-7 ]

GHS Pictogram:
Signal Word:Warning
Hazard Statements:H302-H315-H319-H335
Precautionary Statements:P261-P305+P351+P338

Application In Synthesis of [ 763114-26-7 ]

* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.

  • Downstream synthetic route of [ 763114-26-7 ]

[ 763114-26-7 ] Synthesis Path-Downstream   1~4

  • 1
  • [ 763114-26-7 ]
  • [ 59878-57-8 ]
  • olaparib [ No CAS ]
YieldReaction ConditionsOperation in experiment
95% To the reaction flask was added compound 6 (prepared in Example 3-2, 256.5g,0.86mol), CDI (139.45g, 0.86mol), 1.6LTHF, after stirring for 0.5h Compound 7 (138.8g,0.90mol) at room temperature The reaction 3h, after completion of the reaction, water was added to quench the reaction, of THF was distilled off under reduced pressure, theresidue was dissolved in ethyl acetate was added, the organic phase was separated,washed with water three times, the organic phase was dried over anhydrous Na 2SO 4Dried,filtered and concentrated to give Ola Trapani (356.3g, 0.82mol), yield 95%, HPLC purity 99.8%.
91.5% With pivaloyl chloride; triethylamine; In ethanol; dichloromethane; at 20℃; for 4h; (4) The product of the previous step (0.3 g, 1 mmol) was weighed, dissolved in 5 mL of dichloromethane, and trimethylacetyl chloride (121 yL, 1 mmol) and triethylamine (208 mL, 1.5 mmol) were stirred at room temperature. The reaction was clarified until the solution was clarified. 1 - (cyclopropylcarbonyl)-pyridazine (0.3 g, 2 mmol) was dissolved in 5 mL of ethanol, added dropwise to the above clear solution, reacted at room temperature for 4 h, and extracted with dichloromethane (15 mL). The organic phase was washed with water, and the organic layer was dried over anhydrous sodium sulfate, and then evaporated to dryness to afford ololani (0.4 g, 0.9 mmol), yield 91.5%, purity 99.8%.
81.9% With O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; N-ethyl-N,N-diisopropylamine; In N,N-dimethyl-formamide; at 30 - 50℃; In a 500 mL reaction flask, 2-fluoro-5-((4-oxo-3,4-dihydrophthalazin-1-yl)methyl)benzoic acid (Formula II, 15.0 g, 50.3 mmol) and DMF ( 100ml),After the addition, the system was stirred for 0.5 h to dissolve the system, and then 1-cyclopropyl-formylpiperazine (8.55 g, 55.4 mmol) and HBTU (21.0 g, 55.4 mmol) were added.DIPEA (8.5 g, 65.8 mmol) was then added dropwise to the system.The dropping process controls the reaction temperature not to be higher than 50 C, and the system is kept at 30 ± 5 C overnight after the addition.After the reaction was completed, the mixture was filtered, and the filter cake was washed with 1 L of purified water, and then the filter cake was transferred to a 1 L reaction flask.Purified water (500 mL) was added, kept at 30 ± 5 C, and stirred for 1 h.After suction filtration, the filter cake was washed with purified water (100 mL) and blast dried for about 24 h.The crude product (19.7 g) was obtained, and the crude material was recrystallized from DMF (75 ml)17.9g, 81.9%).
34% To a solution of 2-Fluoro-5-((4-oxo3,4-dihydrophthalazin-l-yl)methyl)benzoic acid (50 mg, 0.168 mmol) in DMA (1 mL) was added DIPEA (56 L, 0.336 mmol) and HBTU (64 mg, 0.170 mmol). The reaction mixture was stirred for 1 hour before addition of cyclopropylpiperazine-l-ylmethanone (0.170 mmol) was carried out. The reaction mixture was stirred at room temperature for 48 h. The reaction mixture was then extracted with DCM (3 x 5 mL) and washed with water (3 x 20 mL). The organic layers were collected, dried with MgS04 and the excess solvent removed in vacuo. Purification via reverse phase HLPC was carried out affording 4-(3-(4 (cyclopropanecarbonyl) piperazine- l-carbonyl)-4- fluorobenzy phthalazin- 1 (2//)-one (olaparib) (25 mg, 34%) as a white solid. *H NMR (400 MHz, CDCh) d = 10.65 (s, 1H), 8.44 - 8.37 (m, 1H), 7.75 - 7.61 (m, 3H), 7.34 - 7.22 (m, 2H), 6.97 (t, J = 8.9 Hz, 1H), 4.22 (s, 2H), 3.90 - 3.09 (m, 8H), 1.79 - 1.52 (s, 3H), 0.99 - 0.88 (m, 2H), 0.81 - 0.63 (s, 2H); {}1^ NMR (376 MHz, CDCb) d = - 117.6; Mp: 69 - 7lC. Data is in accordance with known literature (Menear, K.A., et al., ibid.).
With O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; N-ethyl-N,N-diisopropylamine; In acetonitrile; at 3 - 20℃; for 3.5h;Product distribution / selectivity; Example 2: Alternative synthesis of Compound A using i-fcyclopropylcarbonyl) piperazineMethods (also for Examples 3 & 4)NMR1H NMR spectra were recorded using Bruker DPX 400 spectrometer at 400 MHz. Chemical shifts were reported in parts per million (ppm) on the delta scale relative to tetramethylsilane internal standard. Unless stated otherwise all samples were dissolved in DMSOd6.Mass SpectraMass spectra were recorded on an Agilent XCT ion trap mass spectrometer using tandem mass spectrometry (MS/MS) for structural confirmation. The instrument was operated in a positive ion elctrospray mode.(a) 4-[3-(4-Cyclopropanecarbonyl-piperazine-1-carbonyl)-4-fluoro-benzyl]-2H-phthalazin-1-one (Compound A)2-Fluoro-5-[(4-oxo-3,4-dihydrophthalazin-1-yl)methyl]benzoic acid (D)(15.23g, 51.07 mmol) was suspended with stirring under nitrogen in acetonitrile (96 ml). Diisopropylethylamine (19.6 ml, 112.3 mmol) was added followed by 1-cyclopropylcarbonylpiperazine (l)(9.45g, 61.28 mmol) and acetonitrile (1 ml). The reaction mixture was cooled to 18C. O-Benzotriazol-1-yl- tetramethyluronium hexafluorophosphate (25.18g, 66.39 mmol) was added over 30 minutes and the reaction mixture was stirred for 2 hours at room temperature. The reaction mixture was cooled to 3C and maintained at this temperature for 1 hour, before being filtered. The filter cake was washed with cold (3C) acetonitrile (20 ml) before being dried in vacuo at up to 4O0C to give the title compound as a pale yellow solid (20.21 g).Mass Spectrum: MH+ 4351H NMR (400MHz. DMSO-d6) delta: 0.70 (m, 4H), 1.88 (br s, 1 H), 3.20 (br s, 2H), 3.56 (m, 6H), 4.31 (s, 2H), 7.17 (t, 1 H), 7.34 (dd, 1 H), 7.41 (m, 1 H), 7.77 (dt, 1 H), 7.83 (dt, 1 H), 7.92 (d, 1 H), 8.25 (dd, 1 H), 12.53 (s, 1 H).
With O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; N-ethyl-N,N-diisopropylamine; In acetonitrile; at 3 - 20℃; for 3.5h; (a) 4-[3-(4-Cyclopropanecarbonyl-piperazine-1-carbonyl)-4-fluoro-benzyl]-2H-phthalazin-1-one (Compound A)2-Fluoro-5-[(4-oxo-3,4-dihydrophthalazin-1-yl)methyl]benzoic acid (D)(15.23g, 51.07 mmol) was suspended with stirring under nitrogen in acetonitrile (96 ml). Diisopropylethylamine (19.6 ml, 112.3 mmol) was added followed by 1-cyclopropylcarbonylpiperazine (l)(9.45g, 61.28 mmol) and acetonitrile (1ml). The reaction mixture was cooled to 18C. O-Benzotriazol-1-yl- tetramethyluronium hexafluorophosphate (25.18g, 66.39 mmol) was added over 30 minutes and the reaction mixture was stirred for 2 hours at room temperature. The reaction mixture was cooled to 3C and maintained at this temperature for 1 hour, before being filtered. The filter cake was washed with cold (3C) acetonitrile (20 ml) before being dried in vacuo at up to 400C to give the title compound as a pale yellow solid (20.21 g).Mass Spectrum: MH+ 4351H NMR (400MHz, DMSO-d6) delta: 0.70 (m, 4H), 1.88 (br s, 1H), 3.20 (br s, 2H), 3.56 (m, 6H), 4.31 (s, 2H), 7.17 (t, 1H), 7.34 (dd, 1 H), 7.41 (m, 1H), 7.77 (dt, 1H), 7.83 (dt, 1H), 7.92 (d, 1H), 8.25 (dd, 1 H)1 12.53 (S1 1H).

  • 2
  • [ 763114-26-7 ]
  • [ 37663-44-8 ]
  • [ 1174043-41-4 ]
YieldReaction ConditionsOperation in experiment
52.1% With O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; triethylamine; In N,N-dimethyl acetamide; at 20℃; for 5h; Example 6 4-(4-fluoro-3-(3H-spiro[isobenzofuran-1,4'-piperidine]-1'-ylcarbonyl)benzyl)phthalazin-1(2H)-one (9) A solution of 2-fluoro-5-((4-oxo-3,4-dihydrophthalazin-1-yl)methyl)benzoic acid (1) (144 mg, 0.48 mmol) and <strong>[37663-44-8]3H-spiro[isobenzofuran-1,4'-piperidine]hydrochloride</strong> (109 mg, 0.48 mmol) in N,N-dimethylacetamide (2 mL) was treated with triethylamine (0.168 mL, 1.21 mmol) and O-Benzotriazol-1-yl-N,N,N',N'-tetra-methyluronium hexafluorophosphate (256 mg, 0.68 mmol). The resulting mixture was stirred at ambient temperature for 5 hours, before being filtered and purified by preparative HPLC (Waters XBridge Prep C18 OBD column, 5mu silica, 19 mm diameter, 100 mm length), using decreasingly polar mixtures of water (containing 0.1percent NH3) and MeCN as eluents. Fractions containing the desired compound were evaporated to dryness and lyophilised to afford the desired compound as a white solid (118 mg, 52.1percent yield); 1H NMR (400.132 MHz, DMSO) delta 1.53-1.62 (2H, m), 1.73-1.83 (3H, m), 1.91-1.99 (1H, m), 3.10-3.18 (1H, m), 4.40 (2H, s), 4.54-4.60 (1H, m), 5.03-5.11 (2H, m), 7.26-7.37 (5H, m), 7.45-7.50 (2H, m), 7.83-7.93 (2H, m), 8.02 (1H, d), 8.30 (1H, d), 12.13-12.59 (1H, br s); m/z (LC-MS, ESI+), RT=2.14 (M+H 470.9).
  • 3
  • [ 763114-26-7 ]
  • [ 4045-25-4 ]
  • [ 1174043-16-3 ]
YieldReaction ConditionsOperation in experiment
72.9% With dmap; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; In dichloromethane; at 20 - 23℃;Product distribution / selectivity; Example 1; 1-(3-Dimethylaminopropyl)-3-ethylcarbodiimide hydrochloride (231 g, 1206.97 mmol) was added to <strong>[4045-25-4]4-methoxypiperidine hydrochloride</strong> (183 g, 1206.97 mmol), 2-fluoro-5-((4-oxo-3,4-dihydrophthalazin-1-yl)methyl)benzoic acid (300 g, 1005.80 mmol) and 4-dimethylaminopyridine (30.7 g, 251.45 mmol) in DCM (4 L) at 23 C. The resulting suspension was stirred at room temperature over night. The reaction mixture was washed with 2M HCl (5 L) and 50% saturated sodium carbonate (3 L) before being dried over MgSO4, filtered and reduced in-vacuo to give the crude product. This was then slurried in 750 ml of ethyl acetate for 5 days, and then filtered and dried at 45 C. for 5 hours to afford 4-(4-fluoro-3-(4-methoxypiperidine-1-carbonyl)benzyl)phthalazin-1(2H)-one (compound 1)(290 g, 72.9%).1H NMR (400.132 MHz, DMSO) delta 1.26-1.35 (1H, m), 1.40-1.49 (1H, m), 1.69-1.73 (1H, m), 1.84-1.89 (1H, m), 2.99-3.07 (1H, m), 3.25 (3H, s), 3.27-3.34 (2H, m), 3.39-3.44 (1H, m), 3.86-3.95 (1H, m), 4.33 (2H, s), 7.19-7.24 (1H, m), 7.33-7.35 (1H, m), 7.39-7.43 (1H, m), 7.81-7.91 (2H, m), 7.97 (1H, d), 8.27 (1H, d), 12.57 (1H, s); m/z (ES+) (M+H)+=396.31; HPLC tR=1.90 min.FIG. 1 shows the powder XRD pattern of the material produced, which is in Form C.FIG. 2 shows the DSC analysis of the material produced.
  • 4
  • [ 763114-26-7 ]
  • [ 912369-50-7 ]
  • 4-(4-fluoro-3-(4-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)piperazine-1-carbonyl)benzyl)phthalazin-1(2H)-one [ No CAS ]
YieldReaction ConditionsOperation in experiment
With benzotriazol-1-ol; 1-ethyl-(3-(3-dimethylamino)propyl)-carbodiimide hydrochloride; triethylamine; In tetrahydrofuran; at 60℃; for 12h; General procedure: Boronic ester compounds 35, 41-42, 51-52, 59-60, 67-68, 75-76, 83-84, 91-92, and 99-100 can be developed from the following procedure outlined in Scheme 5. Reagents and conditions: (i) a, CBr4, Ph3P, CH2CI2, 0-23 C, 4 h; (ii) as described in Fu, J. Am. Chem. Soc. 2006, 128, 5360; (iii) as described in Mach, Tetrahedron Lett. 2017, 58, 466; (iv) 1 : d, bis(pinacolato)diboron (ILpim), Pd2(dba)3 (2 mol %), RuPhos (4 mol %), KOAc (3.0 equiv), dioxane, 110 C, 1 h; 2: CF OOH, CH2CI2, rt, 2 h; (v) g, 9, HOBt hydrate, EDC HC1, TEA, THF, 60 C, 12 h
 

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