5-Hexyn-1-ol → (Z)-1,3-dihydro-4-(6-hydroxy-1-hexynyl)-3-[(3-methoxy-1H-pyrrol-2-yl)methylene]-2H-indol-2-one

HRID 366641Notes

Reaction equation

HRID 366641 reaction equation
[CH2:1]([OH:7])[CH2:2][CH2:3][CH2:4][C:5]#[CH:6].Br[C:9]1[CH:17]=[CH:16][CH:15]=[C:14]2[C:10]=1/[C:11](=[CH:19]/[C:20]1[NH:21][CH:22]=[CH:23][C:24]=1[O:25][CH3:26])/[C:12](=[O:18])[NH:13]2>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.CN(C=O)C.CCN(CC)CC>[OH:7][CH2:1][CH2:2][CH2:3][CH2:4][C:5]#[C:6][C:9]1[CH:17]=[CH:16][CH:15]=[C:14]2[C:10]=1/[C:11](=[CH:19]/[C:20]1[NH:21][CH:22]=[CH:23][C:24]=1[O:25][CH3:26])/[C:12](=[O:18])[NH:13]2

Participants

6

Reactant 2

HCID 702345-Hexyn-1-olHCID 18359254(Z)-4-bromo-1,3-dihydro-3-[(3-methoxy-1H-pyrrol-2-yl)methylene]-2H-indol-2-one2×

Product 1

HCID 59959877(Z)-1,3-dihydro-4-(6-hydroxy-1-hexynyl)-3-[(3-methoxy-1H-pyrrol-2-yl)methylene]-2H-indol-2-one

Reagents, catalysts & solvents 3

HCID 178418476HCID 178418476, compoundCatalystHCID 6228DimethylformamideSolventHCID 8471TriethylamineSolvent

Procedure

Using general Method D above, 5-hexyn-1-ol (56 mg, 0.57 mmol) (Aldrich) was coupled with (Z)-4-bromo-1,3-dihydro-3-[(3-methoxy-1H-pyrrol-2-yl)methylene]-2H-indol-2-one (110 mg, 0.38 mmol) (Starting Material 1 supra) using (Ph3P)2PdCl2 (13 mg) (Aldrich) and Cul (7 mg) (Aldrich) as catalyst in DMF (3 mL) and Et3N (3 mL) as solvent at 70° C. for 14 h to yield (Z)-1,3-dihydro-4-(6-hydroxy-1-hexynyl)-3-[(3-methoxy-1H-pyrrol-2-yl)methylene]-2H-indol-2-one.

Sources & evidence

ORD record
ord-4282e7b317564828b4ec9c663fbcb4ba
Source dataset
uspto-grants-2000_10
Patent number
US06130239

Reaction notes

Loading…