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Cyclopropanecarbonyl chloride → N-{[2-(2,6-dioxo(3-piperidyl))-1-oxoisoindolin-4-yl]methyl}cyclopropylcarboxamide

HRID 10065
Notes
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Reaction equation

HRID 10065 reaction equation
N12CCCN=C1CCCCC2.Cl.[NH2:13][CH2:14][C:15]1[CH:23]=[CH:22][CH:21]=[C:20]2[C:16]=1[CH2:17][N:18]([CH:25]1[CH2:30][CH2:29][C:28](=[O:31])[NH:27][C:26]1=[O:32])[C:19]2=[O:24].[CH:33]1([C:36](Cl)=[O:37])[CH2:35][CH2:34]1>C(#N)C>[O:32]=[C:26]1[CH:25]([N:18]2[CH2:17][C:16]3[C:20](=[CH:21][CH:22]=[CH:23][C:15]=3[CH2:14][NH:13][C:36]([CH:33]3[CH2:35][CH2:34]3)=[O:37])[C:19]2=[O:24])[CH2:30][CH2:29][C:28](=[O:31])[NH:27]1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

5

Reactant 3

HCID 77637Cyclopropanecarbonyl chlorideHCID 811841,8-Diazabicyclo(5.4.0)undec-7-eneHCID 219885683-(4-(Aminomethyl)-1-oxoisoindolin-2-yl)piperidine-2,6-dione hydrochloride

Product 1

HCID 21988521N-{[2-(2,6-dioxo(3-piperidyl))-1-oxoisoindolin-4-yl]methyl}cyclopropylcarboxamideYield 50.2%

Reagents, catalysts & solvents 1

HCID 6342
Acetonitrile
Solvent

Procedure

1,8-Diazabicyclo[5,4,0]undec-7-ene (0.7 g, 4.62 mmol) was added to a stirred suspension of 3-[4-(aminomethyl)-1-oxoisoindolin-2-yl]piperidine-2,6-dione hydrochloride (0.65 g, 2.10 mmol) in acetonitrile (50 mL). After stirring for 30 min, cyclopropanecarbonyl chloride (0.24 g, 2.31 mmol) was added. The mixture was stirred at room temperature for 17 hours. The mixture was filtered and the solid was recrystallized from methanol (100 mL) to afford N-{[2-(2,6-dioxo(3-piperidyl))-1-oxoisoindolin-4-yl]methyl}cyclopropylcarboxamide (0.36 g, 50%) as a white solid: mp 262–264° C.; 1H NMR (DMSO-d6) δ 11.02 (s, 1H), 8.63 (t, J=5.7 Hz, 1H), 7.65–7.47 (m, 3H), 5.18–5.11 (dd, J=5.0 and 13.2 Hz, 1H), 4.46 (d=17.3 Hz, 1H), 4.38–4.31 (m, 3H), 3.00–2.85 (m, 1H), 2.65–2.30 (m, 2H), 2.04–1.99 (m, 1H), 1.64–1.54 (m, 1H), 0.69–0.65 (m, 4H); 13C NMR (DMSO-d6) δ 172.82, 172.69, 170.96, 168.03, 140.08, 134.76, 131.66, 130.70, 128.30, 121.64, 51.54, 46.15, 31.16, 22.59, 13.47, 6.27; Anal. Calcd. For C18H19N3O4: C, 63.33; H, 5.61; N, 12.31. Found: C, 62.97; H, 5.55; N, 12.33.

Workup

  1. stirringThe mixture was stirred at room temperature for 17 hours
  2. filtrationThe mixture was filtered
  3. customthe solid was recrystallized from methanol (100 mL)

Sources & evidence

ORD record
ord-2e0049b47acb409b9843b0b579786509
Source dataset
uspto-grants-2006_08
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07091353B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes