Methyl (2-methylbut-3-yn-2-yl)carbamate → (Z)-[3-[2,3-dihydro-5-fluoro-3-[(4-methyl-1H-imidazol-5-yl)methylene]-2-oxo-1H-indol-4-yl]-1,1-dimethyl-2-propynyl]carbamic acid methyl ester

HRID 1069707Notes

Reaction equation

HRID 1069707 reaction equation
[CH3:1][O:2][C:3](=[O:10])[NH:4][C:5]([CH3:9])([CH3:8])[C:6]#[CH:7].[F:11][C:12]1[C:13](I)=[C:14]2[C:18](=[CH:19][CH:20]=1)[NH:17][C:16](=[O:21])/[C:15]/2=[CH:22]\[C:23]1[NH:27][CH:26]=[N:25][C:24]=1[CH3:28]>C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1.CN(C=O)C.CCN(CC)CC>[CH3:1][O:2][C:3](=[O:10])[NH:4][C:5]([CH3:9])([CH3:8])[C:6]#[C:7][C:13]1[C:12]([F:11])=[CH:20][CH:19]=[C:18]2[C:14]=1/[C:15](=[CH:22]/[C:23]1[NH:27][CH:26]=[N:25][C:24]=1[CH3:28])/[C:16](=[O:21])[NH:17]2

Participants

6

Reactant 2

HCID 13199248Methyl (2-methylbut-3-yn-2-yl)carbamateHCID 178433242HCID 178433242, compound2×

Product 1

HCID 178502092(Z)-[3-[2,3-dihydro-5-fluoro-3-[(4-methyl-1H-imidazol-5-yl)methylene]-2-oxo-1H-indol-4-yl]-1,1-dimethyl-2-propynyl]carbamic acid methyl ester

Reagents, catalysts & solvents 3

HCID 178418397HCID 178418397, compoundCatalystHCID 6228DimethylformamideSolventHCID 8471TriethylamineSolvent

Procedure

Using Method C above, (1,1-dimethyl-2-propynyl)-carbamic acid methyl ester (47.7 mg, 0.34 mmol) (see below) was coupled with (Z)-1,3-dihydro-5-fluoro-4-iodo-3-[(4-methyl-1H-imidazol-5-yl)methylene]-2H-indol-2-one (Starting Material 3 supra) (50 mg, 0.135 mmol) using (Ph3P)4Pd (16 mg) and Cul (3 mg) as catalyst in DMF (3 mL) and Et3N (3 mL) as solvent at 80° C. for 5 h to give

Sources & evidence

ORD record
ord-220536dce0ce468a836dfcbd89afcc5e
Source dataset
uspto-grants-2001_06
Patent number
US06252086B1

Reaction notes

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