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4-Methylmorpholine → (S)-N-methyl-4-(4-((6-oxo-6,6a,7,8,9,10-hexahydro-5H-dipyrido[1,2-a:3',2'-e]pyrazin-3-yl)methyl)piperazin-1-yl)benzamide

HRID 1644936
Notes
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Reaction equation

HRID 1644936 reaction equation
[O:1]=[C:2]1[NH:7][C:6]2[CH:8]=[C:9]([CH2:12][N:13]3[CH2:18][CH2:17][N:16]([C:19]4[CH:27]=[CH:26][C:22]([C:23]([OH:25])=O)=[CH:21][CH:20]=4)[CH2:15][CH2:14]3)[CH:10]=[N:11][C:5]=2[N:4]2[CH2:28][CH2:29][CH2:30][CH2:31][C@@H:3]12.Cl.[CH2:33]([N:35]=C=NCCCN(C)C)C.O.N1(O)C2C=CC=CC=2N=N1.CN1CCOCC1.Cl.CN>CN(C=O)C.O>[CH3:33][NH:35][C:23](=[O:25])[C:22]1[CH:26]=[CH:27][C:19]([N:16]2[CH2:15][CH2:14][N:13]([CH2:12][C:9]3[CH:10]=[N:11][C:5]4[N:4]5[CH2:28][CH2:29][CH2:30][CH2:31][C@H:3]5[C:2](=[O:1])[NH:7][C:6]=4[CH:8]=3)[CH2:18][CH2:17]2)=[CH:20][CH:21]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

8

Reactant 5

HCID 79724-MethylmorpholineHCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 27960291-Hydroxybenzotriazole hydrateHCID 6364545Methylamine hydrochlorideHCID 58324508(S)-4-(4-((6-oxo-6,6a,7,8,9,10-hexahydro-5H-dipyrido [1,2-a:3',2'-e]pyrazin-3-yl)methyl)piperazin-1-yl)benzoic acid

Product 1

HCID 46864403
(S)-N-methyl-4-(4-((6-oxo-6,6a,7,8,9,10-hexahydro-5H-dipyrido[1,2-a:3',2'-e]pyrazin-3-yl)methyl)piperazin-1-yl)benzamide
Yield 46.2%

Reagents, catalysts & solvents 2

HCID 962WaterSolventHCID 6228DimethylformamideSolvent

Procedure

(S)-4-(4-((6-oxo-6,6a,7,8,9,10-hexahydro-5H-dipyrido[1,2-a:3′,2′-e]pyrazin-3-yl)methyl)piperazin-1-yl)benzoic acid (50 mg, 0.119 mmol) was taken up in DMF (0.5 mL). To the mixture was added N1-((ethylimino)methylene)-N3,N3-dimethylpropane-1,3-diamine hydrochloride (34.1 mg, 0.178 mmol), 1H-benzo[d][1,2,3]triazol-1-ol hydrate (27.2 mg, 0.178 mmol), 4-methylmorpholine (0.065 mL, 0.593 mmol) and methanamine hydrochloride (8.01 mg, 0.119 mmol). The reaction was stirred at room temperature overnight. To the stirred solution was added water (2 mL) and the precipitate was filtered, collected, and dried in vacuum to afford the title compound (23.8 mg, 46.2%) as a white solid. 1H NMR (DMSO-d6) δ (ppm): 10.49 (s, 1H), 8.14 (q, J=4.5 Hz, 1H), 7.58-7.80 (m, 3H), 6.82-7.04 (m, 3H), 4.51 (d, J=12.9 Hz, 1H), 3.84 (dd, J=11.2, 2.7 Hz, 1H), 3.30-3.51 (m, 3H), 3.23 (br. s., 4H), 2.74 (d, J=4.5 Hz, 3H), 2.61 (td, J=12.7, 2.7 Hz, 1H), 2.49 (br. s., 3H), 2.04 (d, J=12.6 Hz, 1H), 1.85 (d, J=12.1 Hz, 1H), 1.64 (d, J=12.6 Hz, 1H), 1.33-1.59 (m, 3H). [M+H] calc'd for C24H30N6O2, 435. found, 435.

Workup

  1. filtrationthe precipitate was filtered
  2. customcollected
  3. customdried in vacuum

Sources & evidence

ORD record
ord-3a6f709548ab4751aeae7c58681b90aa
Source dataset
uspto-grants-2012_02
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US08124606B2

Reaction notes

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