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Trimethylsilyl cyanide → (4-Methoxy-3-triisopropylsilanyloxyphenyl)-[4-(5-methyl-[1,2,4]oxadiazol-3-yl)phenylamino]acetonitrile

HRID 2079117
Notes
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Reaction equation

HRID 2079117 reaction equation
[CH3:1][C:2]1[O:6][N:5]=[C:4]([C:7]2[CH:12]=[CH:11][C:10]([NH2:13])=[CH:9][CH:8]=2)[N:3]=1.C(S([O-])(=O)=O)(F)(F)F.C(S([O-])(=O)=O)(F)(F)F.C(S([O-])(=O)=O)(F)(F)F.[Yb+3].C[Si]([C:43]#[N:44])(C)C.[CH3:45][O:46][C:47]1[CH:54]=[CH:53][C:50]([CH:51]=O)=[CH:49][C:48]=1[O:55][Si:56]([CH:63]([CH3:65])[CH3:64])([CH:60]([CH3:62])[CH3:61])[CH:57]([CH3:59])[CH3:58]>ClCCl>[CH3:45][O:46][C:47]1[CH:54]=[CH:53][C:50]([CH:51]([NH:13][C:10]2[CH:11]=[CH:12][C:7]([C:4]3[N:3]=[C:2]([CH3:1])[O:6][N:5]=3)=[CH:8][CH:9]=2)[C:43]#[N:44])=[CH:49][C:48]=1[O:55][Si:56]([CH:57]([CH3:58])[CH3:59])([CH:63]([CH3:64])[CH3:65])[CH:60]([CH3:61])[CH3:62]
ParticipantsProcedureWorkupSources & evidenceReaction notes

Participants

6

Reactant 4

HCID 82115Trimethylsilyl cyanideHCID 2733225Ytterbium triflateHCID 181881764-(5-Methyl-1,2,4-oxadiazol-3-yl)anilineHCID 86617914HCID 86617914, compound

Product 1

HCID 59516995(4-Methoxy-3-triisopropylsilanyloxyphenyl)-[4-(5-methyl-[1,2,4]oxadiazol-3-yl)phenylamino]acetonitrile

Reagents, catalysts & solvents

1
HCID 6344DichloromethaneSolvent

Procedure

After adding 3.19 g of 4-(5-methyl-[1,2,4]oxadiazol-3-yl)phenylamine, 10g of MS3A, 1.56 g of Yb(OTf)3 and 4.84 ml of trimethylsilyl cyanide to a solution of 5.6 g of 4-methoxy-3-triisopropylsilanyloxybenzaldehyde [CAS No. 179260-96-6] in 98 ml of dichloromethane under a nitrogen atmosphere, the mixture was stirred at room temperature for 12 hours. The reaction mixture was filtered, and the filtrate was concentrated under reduced pressure. The residue was purified by silica gel column chromatography (ethyl acetate-heptane) to give a white solid (5.59 g).

Workup

  1. filtrationThe reaction mixture was filtered
  2. concentrationthe filtrate was concentrated under reduced pressure
  3. customThe residue was purified by silica gel column chromatography (ethyl acetate-heptane)

Sources & evidence

ORD record
ord-16f86bb6c4e34d27b98178ee37b22051
Source dataset
uspto-grants-2011_04
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07928228B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes