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Dimethylformamide → 9-(3-(isopropylamino)propyl)-8-(6-(thiophen-2-yl)benzo[d][1,3]dioxol-5-ylthio)-9H-purin-6-amine

HRID 521584
Notes
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Reaction equation

HRID 521584 reaction equation
[S:1]1[CH:5]=[CH:4][CH:3]=[C:2]1B(O)O.[CH3:9][CH:10]([NH:12][CH2:13][CH2:14][CH2:15][N:16]1[C:25]([S:26][C:27]2[CH:32]=[C:31]3[O:33][CH2:34][O:35][C:30]3=[CH:29][C:28]=2I)=[N:24][C:18]2[C:19]([NH2:23])=[N:20][CH:21]=[N:22][C:17]1=2)[CH3:11].C([O-])(O)=O.[Na+].CN(C=O)C>Cl[Pd](Cl)([P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1)[P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1.O>[CH:10]([NH:12][CH2:13][CH2:14][CH2:15][N:16]1[C:25]([S:26][C:27]2[C:28]([C:2]3[S:1][CH:5]=[CH:4][CH:3]=3)=[CH:29][C:30]3[O:35][CH2:34][O:33][C:31]=3[CH:32]=2)=[N:24][C:18]2[C:17]1=[N:22][CH:21]=[N:20][C:19]=2[NH2:23])([CH3:11])[CH3:9]
ParticipantsConditionsProcedureWorkupSources & evidenceReaction notes

Participants

7

Reactant 4

HCID 6228DimethylformamideHCID 516892Sodium BicarbonateHCID 27339602-Thiopheneboronic acidHCID 9549213Zelavespib

Product 1

HCID 671171149-(3-(isopropylamino)propyl)-8-(6-(thiophen-2-yl)benzo[d][1,3]dioxol-5-ylthio)-9H-purin-6-amineYield 45.2%

Reagents, catalysts & solvents 2

HCID 178418476
HCID 178418476, compound
Catalyst
HCID 962WaterSolvent

Conditions

Temperature
90 °C

Procedure

2-Thienylboronic acid (11.2 mg, 0.0877 mmol) was added to PU-H71 (30 mg, 0.0585 mmol) and NaHCO3 (14.7 mg, 0.1755 mmol). DMF (1 mL) was added and the reaction mixture was evacuated and back filled with nitrogen. This was repeated four times then nitrogen was bubbled through the reaction mixture for 10 minutes. Then H2O (0.1 mL) and Pd(PPh3)2Cl2 (4 mg, 0.00584 mmol) were added and the reaction mixture was heated under nitrogen at 90° C. for 5 h. Solvent was removed under reduced pressure and the resulting residue was purified by preparatory TLC (CH2Cl2:MeOH—NH3 (7N), 12.5:1) to give 12.4 mg (45%) of DZ2-395. 1H NMR (500 MHz, CDCl3/MeOH-d4) δ 8.17 (s, 1H), 7.33 (dd, J=1.4, 4.9 Hz, 1H), 7.07 (s, 1H), 7.04 (s, 1H), 7.00-7.02 (m, 2H), 6.09 (s, 2H), 4.12 (t, J=6.6 Hz, 2H), 2.95 (septet, J=6.6 Hz, 1H), 2.62 (t, J=6.8 Hz, 2H), 2.00 (m, 2H), 1.19 (d, J=6.6 Hz, 6H); 13C NMR (125 MHz, CDCl3/MeOH-d4) δ 154.2, 152.0, 151.1, 149.4, 148.8, 148.4, 140.5, 132.9, 127.8, 126.9, 126.3, 119.2, 119.0, 114.6, 111.8, 102.3, 49.6, 42.5, 40.6, 27.8, 20.7; HRMS (ESI) m/z [M+H]+ calcd. for C22H25N6O2S2, 469.1480; found. 469.1461; HPLC: method A Rt=6.38, method B Rt=7.18.

Workup

  1. customthe reaction mixture was evacuated
  2. additionback filled with nitrogen
  3. customnitrogen was bubbled through the reaction mixture for 10 minutes
  4. customSolvent was removed under reduced pressure
  5. customthe resulting residue was purified by preparatory TLC (CH2Cl2:MeOH—NH3 (7N), 12.5:1)

Sources & evidence

ORD record
ord-4ad86d7935b34b68be08ba0e30cb4da4
Source dataset
uspto-grants-2016_05
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US09328114B2

Reaction notes

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On this pageParticipantsConditionsProcedureWorkupSources & evidenceReaction notes