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Aniline → 2-Anilino-1-methylethyl cyanide

HRID 1934878
Notes
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Reaction equation

HRID 1934878 reaction equation
C(P(CC1C=CC=C(CP(C(C)(C)C)C(C)(C)C)N=1)C(C)(C)C)(C)(C)C.[C:27](#[N:31])[C:28]([CH3:30])=[CH2:29].[NH2:32][C:33]1[CH:38]=[CH:37][CH:36]=[CH:35][CH:34]=1>C1(C)C=CC=CC=1.C(O)(C(F)(F)F)=O.C(O)(C(F)(F)F)=O.[Pd]>[NH:32]([CH2:29][CH:28]([C:27]#[N:31])[CH3:30])[C:33]1[CH:38]=[CH:37][CH:36]=[CH:35][CH:34]=1
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 3

HCID 6115AnilineHCID 31368MethacrylonitrileHCID 111572602,6-Bis[(di-tert-butylphosphanyl)methyl]pyridine

Product 1

HCID 224683022-Anilino-1-methylethyl cyanideYield 89%

Reagents, catalysts & solvents 2

HCID 4378622PD(Tfa)2Catalyst
HCID 1140
Toluene
Solvent

Procedure

Pd(TFA)2 (33.0 mg, 0.10 mmol) and 2,6-Bis[(di-tert-butylphosphino)methyl]pyridine (40.0 mg, 0.10 mmol) were suspended in 0.5 mL of toluene in a screw-capped vial. The vial was sealed with a cap containing a PTFE septum and removed from the dry box. Methacrylonitrile (270 mg, 4.00 mmol) and aniline (93.1 mg, 1.00 mmol) were added to the reaction mixture by syringe. The reaction mixture was stirred at room temperature for 24 h, after which time it was adsorbed onto silica gel. The product was isolated by eluting with 15% ethyl acetate/hexanes to give 142 mg (89%) of 2-anilino-1-methylethyl cyanide. 1H NMR: (CDCl3) δ 7.22 (t, J=7.6 Hz, 2H), 6.78 (t, J=7.6 Hz, 1H), 6.63 (d, J=7.6 Hz, 2H), 3.71 (brs, 1H) 3.43 (dd, J=13.8, 8.0 Hz, 1H), 3.37 (dd, J=13.8, 6.0 Hz, 1H), 2.99 (m, 1H), 1.38 (d, J=7.1 Hz, 3H). 13C{1H} NMR: (CDCl3) δ 146.52, 129.50, 121.81, 118.50, 113.04, 47.04, 25.98, 15.39. Anal. Calcd. for C10H12N2: C, 74.97; H, 7.55; N, 17.48. Found: C, 74.75; H, 7.35; N, 17.57.

Workup

  1. customThe vial was sealed with a cap
  2. customremoved from the dry box
  3. customThe product was isolated
  4. washby eluting with 15% ethyl acetate/hexanes

Sources & evidence

ORD record
ord-ad0ed4cc7208440fabf5ac2e02fdd6c9
Source dataset
uspto-grants-2002_05
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US06384282B2

Reaction notes

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