Triethylamine → HCID 58100104, compound

HRID 1696848Notes

Reaction equation

HRID 1696848 reaction equation
C(N(CC)CC)C.I[C:9]1[CH:14]=[CH:13][CH:12]=[CH:11][C:10]=1[I:15].[CH2:16]([N:20]1[C:28](=[O:29])[C:27]2[C:22](=[CH:23][CH:24]=[CH:25][CH:26]=2)[C:21]1=[O:30])[CH2:17][C:18]#[CH:19]>O1CCCC1.[Cu]I.[Pd](Cl)Cl.C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1>[I:15][C:10]1[CH:11]=[CH:12][C:13]([C:19]#[C:18][CH2:17][CH2:16][N:20]2[C:28](=[O:29])[C:27]3[C:22](=[CH:23][CH:24]=[CH:25][CH:26]=3)[C:21]2=[O:30])=[CH:14][CH:9]=1

Participants

7

Reactant 3

HCID 8471Triethylamine2×HCID 119941,2-DiiodobenzeneHCID 11171619N-(3-Butynyl)phthalimide

Product 1

HCID 58100104HCID 58100104, compoundYield 51.9%

Reagents, catalysts & solvents 3

HCID 24350Copper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI)CatalystHCID 6102075Dichlorobis(triphenylphosphine)palladiumCatalystHCID 8028TetrahydrofuranSolvent2×

Procedure

A solution containing triethylamine (250 mL), copper (I) iodide (1.72 g, 9.09 mmol) and diiodobenzene (56) (20.00 g, 60.60 mmol) dissolved in anhydrous tetrahydrofuran (250 mL) was stirred at room temperature. The reaction flask was evacuated and then purged with nitrogen three times. The solution was treated with bis(triphenylphosphine) palladium(II) dichloride (4.20 g, 6.06 mmol) and continued to stir at room temperature for 30 min. A solution containing triethylamine (250 mL) and 2-but-3-ynylisoindole-1,3-dione (12.06 g, 60.06 mmol) dissolved in anhydrous tetrahydrofuran (250 mL) was added dropwise through an addition funnel over 12 hours. The reaction was allowed to stir at room temperature for 48 h. The solution was filtered and the filtrate was concentrated in vacuo. The resulting residue was purified by column chromatography eluting with 0-100% ethyl acetate in hexanes to afford the desired product 57 (12.5 g, 51%) as a brown solid: 1H NMR (500 MHz, CD2Cl2) δ 7.85 (dd, 2H), 7.74 (dd, 2H), 7.60 (d, 2H), 7.04 (d, 2H), 3.92 (t, 2H), 2.79 (t, 2H); m/z (ESI) 402 [C18H12INO2+H]+.

Workup

  1. customThe reaction flask was evacuated
  2. custompurged with nitrogen three times
  3. stirringto stir at room temperature for 30 min
  4. additionwas added dropwise through an addition funnel over 12 hours
  5. stirringto stir at room temperature for 48 h
  6. filtrationThe solution was filtered
  7. concentrationthe filtrate was concentrated in vacuo
  8. customThe resulting residue was purified by column chromatography
  9. washeluting with 0-100% ethyl acetate in hexanes

Sources & evidence

ORD record
ord-b0c58ab292234cbf8dbd3cd41ac330ef
Source dataset
uspto-grants-2012_04
Patent number
US08163758B2

Reaction notes

Loading…