1-Hydroxybenzotriazole → (E)-N-(1H-indol-5-ylmethyl)-N-methyl-3-(4-methyl-2-oxo-2,3,4,5-tetrahydro-1H-pyrido[2,3-e][1,4]diazepin-7-yl)acrylamide

HRID 1362246Notes

Reaction equation

HRID 1362246 reaction equation
[NH:1]1[C:9]2[C:4](=[CH:5][C:6]([CH2:10][NH:11][CH3:12])=[CH:7][CH:8]=2)[CH:3]=[CH:2]1.Cl.Cl.[CH3:15][N:16]1[CH2:22][C:21]2[CH:23]=[C:24](/[CH:27]=[CH:28]/[C:29]([OH:31])=O)[CH:25]=[N:26][C:20]=2[NH:19][C:18](=[O:32])[CH2:17]1.C1C=CC2N(O)N=NC=2C=1.C(N(C(C)C)CC)(C)C.CCN=C=NCCCN(C)C.Cl>CN(C=O)C.O>[NH:1]1[C:9]2[C:4](=[CH:5][C:6]([CH2:10][N:11]([CH3:12])[C:29](=[O:31])/[CH:28]=[CH:27]/[C:24]3[CH:25]=[N:26][C:20]4[NH:19][C:18](=[O:32])[CH2:17][N:16]([CH3:15])[CH2:22][C:21]=4[CH:23]=3)=[CH:7][CH:8]=2)[CH:3]=[CH:2]1

Participants

8

Reactant 5

HCID 757711-HydroxybenzotriazoleHCID 81531DiisopropylethylamineHCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 172217941-(1H-indol-5-yl)-N-methylmethanamineHCID 66967454(E)-3-(4-methyl-2-oxo-2,3,4,5-tetrahydro-1H-pyrido[2,3-e][1,4]diazepin-7-yl)acrylic acid dihydrochloride

Product 1

HCID 66967477(E)-N-(1H-indol-5-ylmethyl)-N-methyl-3-(4-methyl-2-oxo-2,3,4,5-tetrahydro-1H-pyrido[2,3-e][1,4]diazepin-7-yl)acrylamideYield 63%

Reagents, catalysts & solvents 2

HCID 962WaterSolventHCID 6228DimethylformamideSolvent

Procedure

To a solution of (1H-indol-5-ylmethyl)methylamine (143 mg, 0.9 mmol), (E)-3-(4-methyl-2-oxo-2,3,4,5-tetrahydro-1H-pyrido[2,3-e][1,4]diazepin-7-yl)acrylic acid dihydrochloride (250 mg, 0.8 mmol), HOBt (121 mg, 0.9 mmol) and diisopropylethylamine (0.61 mL, 3.6 mmol) in DMF (25 mL) was added EDC hydrochloride (172 mg, 0.9 mmol). The mixture was stirred overnight at room temperature. Water (100 mL) was added and the solution was stirred for 1 hr. The precipitate was collected by filtration. The yellow solid was preabsorded onto silica gel and purified by column chromatography (95:5 CH2Cl2/MeOH) to afford (E)-N-(1H-indol-5-ylmethyl)-N-methyl-3-(4-methyl-2-oxo-2,3,4,5-tetrahydro-1H-pyrido[2,3-e][1,4]diazepin-7-yl)acrylamide (195 mg, 63%) as a white solid and as a mixture of amide rotomers. 1H NMR (300 MHz, DMSO-d6) δ 11.07 (d, J=7.6 Hz, 1H), 10.37 (m, 1H), 8.52 (dd, J=7.0, 1.9 Hz, 1H), 8.15 (d, J=2.0 Hz, 1H), 7.59-7.26 (m, 5H), 7.07-6.92 (m, 1H), 6.38 (d, J=1.9 Hz, 1H), 4.66-4.85 (2×s, 2H), 3.74-3.77 (m, 2H), 3.42-3.38 (m, 2H), 3.08-2.90 (2×s, 3H), 2.37-2.32 (2×s, 3H); ESI MS m/z 390 [C22H23N5O2+H]+.

Workup

  1. stirringthe solution was stirred for 1 hr
  2. filtrationThe precipitate was collected by filtration
  3. custompurified by column chromatography (95:5 CH2Cl2/MeOH)

Sources & evidence

ORD record
ord-8d7aa165123246919be7beff165c7367
Source dataset
uspto-grants-2011_02
Patent number
US07879872B2

Reaction notes

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