1-Octyn-3-ol, (3S)- → (s)-(z)-1,3-Dihydro-4-(3-hydroxy-1-octynyl)-3-[(3-methoxy-1h-pyrrol-2-yl)methylene]-2h-indol-2-one
Reaction equation
[CH:1]#[C:2][C@@H:3]([OH:9])[CH2:4][CH2:5][CH2:6][CH2:7][CH3:8].I[C:11]1[CH:19]=[CH:18][CH:17]=[C:16]2[C:12]=1/[C:13](=[CH:21]/[C:22]1[NH:23][CH:24]=[CH:25][C:26]=1[O:27][CH3:28])/[C:14](=[O:20])[NH:15]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:9][C@@H:3]([CH2:4][CH2:5][CH2:6][CH2:7][CH3:8])[C:2]#[C:1][C:11]1[CH:19]=[CH:18][CH:17]=[C:16]2[C:12]=1/[C:13](=[CH:21]/[C:22]1[NH:23][CH:24]=[CH:25][C:26]=1[O:27][CH3:28])/[C:14](=[O:20])[NH:15]2Participants
6
Reactant 2
Product 1
Reagents, catalysts & solvents 3
Procedure
Using Method C above, (S)-(−)-1-octyn-3-ol (61 mg, 0.53 mmol) (Aldrich) was coupled with (Z)-1,3-dihydro-4-iodo-3-[(3-methoxy-1H-pyrrol-2-yl)methylene]-2H-indol-2-one (150 mg, 0.41 mmol) (Starting Material 2 supra) using (Ph3P)2PdCl2 (20 mg) and Cul (10 mg) as catalyst in DMF (2 mL) and Et3N (2 mL) as solvent at 70° C. for 18 h to yield (S)-(Z)-1,3-dihydro-4-(3-hydroxy-1-octynyl)-3-[(3-methoxy-1H-pyrrol-2-yl)methylene]-2H-indol-2-one. (Yield 101 mg, 68%).
Sources & evidence
- ORD record
- ord-e42c60fee36f439a9cb460e3ca33a545
- Source dataset
- uspto-grants-2001_06
- Patent number
- US06252086B1
Reaction notes
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