Diisopropylethylamine → 6-(4-Methoxycarbonyl-1H-benzoimidazol-2-ylcarbamoyl)-3,4-dihydro-1H-isoquinoline-2-carboxylic acid tert-butyl ester

HRID 1910151Notes

Reaction equation

HRID 1910151 reaction equation
[C:1]([O:5][C:6]([N:8]1[CH2:17][CH2:16][C:15]2[C:10](=[CH:11][CH:12]=[C:13]([C:18](O)=[O:19])[CH:14]=2)[CH2:9]1)=[O:7])([CH3:4])([CH3:3])[CH3:2].[CH3:21][O:22][C:23]([C:25]1[C:33]2[N:32]=[C:31]([NH2:34])[NH:30][C:29]=2[CH:28]=[CH:27][CH:26]=1)=[O:24].CN(C(ON1N=NC2C=CC=CC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.CCN(C(C)C)C(C)C>CN(C=O)C>[C:1]([O:5][C:6]([N:8]1[CH2:17][CH2:16][C:15]2[C:10](=[CH:11][CH:12]=[C:13]([C:18](=[O:19])[NH:34][C:31]3[NH:30][C:29]4[CH:28]=[CH:27][CH:26]=[C:25]([C:23]([O:22][CH3:21])=[O:24])[C:33]=4[N:32]=3)[CH:14]=2)[CH2:9]1)=[O:7])([CH3:4])([CH3:2])[CH3:3]

Participants

6

Reactant 4

HCID 81531DiisopropylethylamineHCID 2733084Methanaminium, N-((1H-benzotriazol-1-yloxy)(dimethylamino)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 113578872-(tert-Butoxycarbonyl)-1,2,3,4-tetrahydroisoquinoline-6-carboxylic acidHCID 24730367methyl 2-amino-1H-benzo[d]imidazole-4-carboxylate

Product 1

HCID 587244616-(4-Methoxycarbonyl-1H-benzoimidazol-2-ylcarbamoyl)-3,4-dihydro-1H-isoquinoline-2-carboxylic acid tert-butyl esterYield 90%

Reagents, catalysts & solvents 1

HCID 6228DimethylformamideSolvent

Procedure

6-(4-Methoxycarbonyl-1H-benzoimidazol-2-ylcarbamoyl)-3,4-dihydro-1H-isoquinoline-2-carboxylic acid tert-butyl ester (114 mg, 90%) was synthesized according to General Procedure A using 798 mg (2.82 mmol) of 3,4-dihydro-1H-isoquinoline-2,6-dicarboxylic acid 2-tert-butyl ester, 540 mg (2.82 mmol) of intermediate A (2-amino-1H-benzoimidazole-4-carboxylic acid methyl ester), 1.28 g (3.38 mmol) of HBTU, 0.992 mL (5.64 mmol) of DIEA and 15 mL of DMF stirring at room temperature overnight. LCMS: 451 (M+1)+.

Sources & evidence

ORD record
ord-f1f659cb1fe9427c9aa63b81357074d0
Source dataset
uspto-grants-2013_12
Patent number
US08598353B2

Reaction notes

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