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Sodium Carbonate → Methyl 2-(4-(tert-butoxycarbonyl)pyridin-3-yl)-3-cyclohexyl-1H-indole-6-carboxylate

HRID 1394869
ノート
印刷プレビュー

反応式

HRID 1394869 の反応式
[CH:1]1([C:7]2[C:15]3[C:10](=[CH:11][C:12]([C:16]([O:18][CH3:19])=[O:17])=[CH:13][CH:14]=3)[NH:9][C:8]=2B2OC(C)(C)C(C)(C)O2)[CH2:6][CH2:5][CH2:4][CH2:3][CH2:2]1.Br[C:30]1[CH:31]=[N:32][CH:33]=[CH:34][C:35]=1NC(=O)OC(C)(C)C.[Li+].[Cl-].[C:46]([O-:49])([O-])=[O:47].[Na+].[Na+]>C(O)C.C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1.C1(C)C=CC=CC=1>[C:1]([O:49][C:46]([C:35]1[CH:30]=[CH:31][N:32]=[CH:33][C:34]=1[C:8]1[NH:9][C:10]2[C:15]([C:7]=1[CH:1]1[CH2:6][CH2:5][CH2:4][CH2:3][CH2:2]1)=[CH:14][CH:13]=[C:12]([C:16]([O:18][CH3:19])=[O:17])[CH:11]=2)=[O:47])([CH3:7])([CH3:6])[CH3:2]
参加物反応条件実験手順後処理出典と根拠反応ノート

参加物

8

反応物 4

HCID 10340Sodium CarbonateHCID 433294Lithium ChlorideHCID 10707388tert-Butyl (3-bromopyridin-4-yl)carbamateHCID 23152432methyl 3-cyclohexyl-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indole-6-carboxylate

生成物 1

HCID 69207220Methyl 2-(4-(tert-butoxycarbonyl)pyridin-3-yl)-3-cyclohexyl-1H-indole-6-carboxylate収率 78.2%

試薬・触媒・溶媒 3

HCID 178418397HCID 178418397、化合物触媒HCID 702Ethanol溶媒HCID 1140Toluene溶媒

反応条件

温度
80 °C

実験手順

To a mixture of methyl 3-cyclohexyl-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-indole-6-carboxylate (383 mg, 1.0 mmol), tert-butyl 3-bromopyridin-4-ylcarbamate (328 mg, 1.2 mmol) and LiCl (84.8 mg, 2.0 mmol), in ethanol (3 mL) and toluene (3 mL) was added, 2M aqueous Na2CO3 (1.25 mL, 2.5 mmol) solution. The mixture was then degassed by the application of vacuum followed by flushing with N2. Pd(PPh3)4 (58 mg, 0.05 mmol) was then added and the reaction was heated at 80° C. overnight. The resultant mixture was then filtered and concentrated under vacuum, and the product residue was purified by Prep. reverse phase HPLC to afford the title compound as an off-white solid, (170 mg, 38% yield). MS m/z 450(MH+); 1H NMR (300 MHz, CDCl3) δ ppm 1.15-1.33 (m, 13 H) 1.63-1.98 (m, 6 H) 2.45 (m, 1 H) 3.92 (s, 3 H) 6.94 (s, 1 H) 7.75-7.89 (m, 2 H) 8.17 (s, 1H) 8.21 (d, J=5.86 Hz, 1 H) 8.37 (s, 1 H) 8.45 (d, J=5.86 Hz, 1 H) 9.45 (s, 1 H).

後処理

  1. customThe mixture was then degassed by the application of vacuum
  2. customby flushing with N2
  3. filtrationThe resultant mixture was then filtered
  4. concentrationconcentrated under vacuum
  5. customthe product residue was purified by Prep

出典と根拠

ORDレコード
ord-c550d18cc4f24563ac2f018e82888ebe
出典データセット
uspto-grants-2008_03
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07348425B2

反応ノート

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