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3-[4-(2,6-Dioxo-1,3-dipropyl-2,3,6,7-tetrahydro-1H-purin-8-yl)-bicyclo[2.2.2]oct-1-yl]-acrylonitrile → 3-[4-(2,6-Dioxo-1,3-dipropyl-2,3,6,7-tetrahydro-1H-purin-8-yl)-bicyclo[2.2.2]oct-1-yl]-propionitrile

HRID 2105669
Notes
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Reaction equation

HRID 2105669 reaction equation
[O:1]=[C:2]1[N:10]([CH2:11][CH2:12][CH3:13])[C:9]2[N:8]=[C:7]([C:14]34[CH2:21][CH2:20][C:17]([CH:22]=[CH:23][C:24]#[N:25])([CH2:18][CH2:19]3)[CH2:16][CH2:15]4)[NH:6][C:5]=2[C:4](=[O:26])[N:3]1[CH2:27][CH2:28][CH3:29].[H][H]>CO.C(Cl)Cl.[Pd]>[O:1]=[C:2]1[N:10]([CH2:11][CH2:12][CH3:13])[C:9]2[N:8]=[C:7]([C:14]34[CH2:19][CH2:18][C:17]([CH2:22][CH2:23][C:24]#[N:25])([CH2:20][CH2:21]3)[CH2:16][CH2:15]4)[NH:6][C:5]=2[C:4](=[O:26])[N:3]1[CH2:27][CH2:28][CH3:29]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 2

HCID 670783823-[4-(2,6-Dioxo-1,3-dipropyl-2,3,6,7-tetrahydro-1H-purin-8-yl)-bicyclo[2.2.2]oct-1-yl]-acrylonitrileHCID 178418361HCID 178418361, compound

Product 1

HCID 187677383-[4-(2,6-Dioxo-1,3-dipropyl-2,3,6,7-tetrahydro-1H-purin-8-yl)-bicyclo[2.2.2]oct-1-yl]-propionitrileYield 90.5%

Reagents, catalysts & solvents 3

HCID 23938PalladiumCatalyst
HCID 887
Methanol
Solvent
HCID 6344DichloromethaneSolvent

Procedure

A solution of 3-[4-(2,6-dioxo-1,3-dipropyl-2,3,6,7-tetrahydro-1H-purin-8-yl)-bicyclo[2.2.2]oct-1-yl]-acrylonitrile(110 mg, 0.278 mmol) in MeOH (20 ml) and CH2Cl2(5 ml) was hydrogenated using Pd on carbon (10 mol %) and a ballon of hydrogen affixed to a 3-way stopcock/ground glass adapter. After stirring overnight, the mixture was degassed, filtered through Celite and concentrated in vacuo to give a brittle foam (100 mg, 90%). 1H NMR (400 MHz, CDCl3); δ 0.93 (coincident triplets, 6H), 1.53 (m, 6H), 1.57 (t, 2H), 1.67 (m, 2H), 1.77 (m, 2H), 2.00 (m, 6H), 2.24 (t, 2H), 3.99 (t, 2H), 4.05 (t, 2H), 12.17 (s, 1H).

Workup

  1. customthe mixture was degassed
  2. filtrationfiltered through Celite
  3. concentrationconcentrated in vacuo

Sources & evidence

ORD record
ord-e6470b7b3a904952b9b7f201a5a3c07a
Source dataset
uspto-grants-2009_08
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07579354B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes