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Diisopropylethylamine → 4-Cyano-1-(2-trimethylsilanyl-ethoxymethyl)-1H-imidazole-2-carboxylic acid [2-cyclohex-1-enyl-4-(1-methyl-2,6-dioxo-piperidin-4-yl)-phenyl]-amide

HRID 408936
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HRID 408936 반응식
[NH2:1][C:2]1[CH:7]=[CH:6][C:5]([CH:8]2[CH2:13][C:12](=[O:14])[N:11]([CH3:15])[C:10](=[O:16])[CH2:9]2)=[CH:4][C:3]=1[C:17]1[CH2:22][CH2:21][CH2:20][CH2:19][CH:18]=1.C1CN([P+](Br)(N2CCCC2)N2CCCC2)CC1.F[P-](F)(F)(F)(F)F.[K+].[C:48]([C:50]1[N:51]=[C:52]([C:63]([O-])=[O:64])[N:53]([CH2:55][O:56][CH2:57][CH2:58][Si:59]([CH3:62])([CH3:61])[CH3:60])[CH:54]=1)#[N:49].CCN(C(C)C)C(C)C>C(Cl)Cl>[C:17]1([C:3]2[CH:4]=[C:5]([CH:8]3[CH2:9][C:10](=[O:16])[N:11]([CH3:15])[C:12](=[O:14])[CH2:13]3)[CH:6]=[CH:7][C:2]=2[NH:1][C:63]([C:52]2[N:53]([CH2:55][O:56][CH2:57][CH2:58][Si:59]([CH3:62])([CH3:61])[CH3:60])[CH:54]=[C:50]([C:48]#[N:49])[N:51]=2)=[O:64])[CH2:22][CH2:21][CH2:20][CH2:19][CH:18]=1
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참가 물질

6

반응물 4

HCID 81531DiisopropylethylamineHCID 2733179PyBroPHCID 597712664-(4-Amino-3-cyclohex-1-enyl-phenyl)-1-methyl-piperidine-2,6-dioneHCID 67188357potassium 4-cyano-1-((2-(trimethylsilyl)ethoxy)methyl)-1H-imidazole-2-carboxylate

생성물 1

HCID 597712494-Cyano-1-(2-trimethylsilanyl-ethoxymethyl)-1H-imidazole-2-carboxylic acid [2-cyclohex-1-enyl-4-(1-methyl-2,6-dioxo-piperidin-4-yl)-phenyl]-amide
수율 27%

시약·촉매·용매 1

HCID 6344Dichloromethane용매2회

실험 절차

A solution of 266 mg (0.891 mmol) of 4-(4-amino-3-cyclohex-1-enyl-phenyl)-1-methyl-piperidine-2,6-dione (as prepared in the previous step) in CH2Cl2 (10 mL) was treated with 623 mg (1.34 mmol) of PyBroP, 300 mg (0.981 mmol) of 4-cyano-1-(2-trimethylsilanyl-ethoxymethyl)-1H-imidazole-2-carboxylate potassium salt (as prepared in Example 1, step (d)), and 466 μL (2.67 mmol) of DIEA at RT for 16 h. The mixture was diluted with CH2Cl2 (30 mL) and washed with saturated aqueous NaHCO3 (1×30 mL). The organic layer was dried (MgSO4) and concentrated in vacuo. Silica gel chromatography of the residue on a 50-g Varian MegaBond Elut SPE column with 25% EtOAc-hexane afforded 130 mg (27%) of the title compound as an off-white solid: Mass spectrum (ESI, m/z): Calcd. for C29H37N5O4Si, 548.3 (M+H). found 547.9.

후처리

  1. washwashed with saturated aqueous NaHCO3 (1×30 mL)
  2. dry with materialThe organic layer was dried (MgSO4)
  3. concentrationconcentrated in vacuo

출처 및 근거

ORD 기록
ord-4469b61b4afd475fa6eca8bb72e119f3
출처 데이터셋
uspto-grants-2014_06
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08759347B2

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