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

HRID 1161388
Notes
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Reaction equation

HRID 1161388 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, 10 g 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-ab20581bbf18494ba0fd9ebcc8dac458
Source dataset
uspto-grants-2010_10
DOI
10.6084/m9.figshare.5104873.v1
Patent number
US07816522B2

Reaction notes

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On this pageParticipantsProcedureWorkupSources & evidenceReaction notes