Tetrabutylammonium Fluoride → HCID 10455744, compound

HRID 505376Notes

Reaction equation

HRID 505376 reaction equation
CCCC[N+](CCCC)(CCCC)CCCC.[F-].[Si]([O:36][CH2:37][CH2:38][CH2:39][N:40]1[C:44]2=[N:45][CH:46]=[CH:47][CH:48]=[C:43]2[C:42]([C:49]2[C:50](=[O:68])[NH:51][C:52](=[O:67])[C:53]=2[C:54]2[C:59]3[O:60][C:61]4[CH:66]=[CH:65][CH:64]=[CH:63][C:62]=4[C:58]=3[CH:57]=[CH:56][CH:55]=2)=[CH:41]1)(C(C)(C)C)(C1C=CC=CC=1)C1C=CC=CC=1>C1COCC1>[CH:57]1[C:58]2[C:62]3[CH:63]=[CH:64][CH:65]=[CH:66][C:61]=3[O:60][C:59]=2[C:54]([C:53]2[C:52](=[O:67])[NH:51][C:50](=[O:68])[C:49]=2[C:42]2[C:43]3[C:44](=[N:45][CH:46]=[CH:47][CH:48]=3)[N:40]([CH2:39][CH2:38][CH2:37][OH:36])[CH:41]=2)=[CH:55][CH:56]=1

Participants

4

Reactant 2

HCID 2724141Tetrabutylammonium FluorideHCID 21911997HCID 21911997, compound

Product 1

HCID 10455744HCID 10455744, compoundYield 71%

Reagents, catalysts & solvents 1

HCID 8028TetrahydrofuranSolvent

Procedure

TBAF (0.7 mL, 0.06 mmol; 1 M solution in THF) was added dropwise to a solution of 3-{1-[3-(tert-butyldiphenylsilanyloxy)-propyl]-1H-pyrrolo[2,3-b]pyridin-3-yl}-4-dibenzofuran-4-yl-pyrrole-2,5-dione Compound 20a (0.03 g, 0.04 mmol) in THF (1 mL) under nitrogen. After 18 hours, the mixture was concentrated and purified by column chromatography (SiO2) to give Compound 29 (0.013 g, 71%) as a yellow solid. 1H NMR (300 MHz, Acetone-d6) δ 8.28 (s, 1H), 8.18 (dd, J=7.7, 1.3 Hz 1H), 8.02 (ddd, J=8.3, 4.5, 1.5 Hz, 2H), 7.74 (dd, J=7.5, 1.1 Hz, 1H), 7.51 (m, 1H), 7.32 (m, 2H), 7.17 (m, 1H), 6.64 (dd, J=7.9, 1.5 Hz, 1H), 6.53 (dd, J=8.1, 4.7 Hz, 1H), 4.50 (t, J=6.6 Hz, 2H), 3.49 (m, 2H), 2.04 (m, 2H); MS (ES) m/z: 438 (M+H+).

Workup

  1. concentrationthe mixture was concentrated
  2. custompurified by column chromatography (SiO2)

Sources & evidence

ORD record
ord-7f2eb16d71b9457b8d72c85c572cce46
Source dataset
uspto-grants-2010_08
Patent number
US07781450B2

Reaction notes

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