Sodium Carbonate → N-(4-{4-amino-7-[(1E)-3-oxoprop-1-enyl]furo[3,2-c]pyridin-3-yl}-2-methoxyphenyl)-1-methyl-1H-indole-2-carboxamide

HRID 1270921

反応式

HRID 1270921 の反応式
[NH2:1][C:2]1[C:7]2[C:8]([C:11]3[CH:16]=[CH:15][C:14]([NH:17][C:18]([C:20]4[N:21]([CH3:29])[C:22]5[C:27]([CH:28]=4)=[CH:26][CH:25]=[CH:24][CH:23]=5)=[O:19])=[C:13]([O:30][CH3:31])[CH:12]=3)=[CH:9][O:10][C:6]=2[C:5](I)=[CH:4][N:3]=1.C([O:35][CH:36](OCC)/[CH:37]=[CH:38]/B1OC(C)(C)C(C)(C)O1)C.C(=O)([O-])[O-].[Na+].[Na+].O.C1(C)C=CC(S(O)(=O)=O)=CC=1>COCCOC.O.CC(C)=O>[NH2:1][C:2]1[C:7]2[C:8]([C:11]3[CH:16]=[CH:15][C:14]([NH:17][C:18]([C:20]4[N:21]([CH3:29])[C:22]5[C:27]([CH:28]=4)=[CH:26][CH:25]=[CH:24][CH:23]=5)=[O:19])=[C:13]([O:30][CH3:31])[CH:12]=3)=[CH:9][O:10][C:6]=2[C:5](/[CH:38]=[CH:37]/[CH:36]=[O:35])=[CH:4][N:3]=1

参加物

8

反応物 4

HCID 10340Sodium CarbonateHCID 521998p-Toluenesulfonic acid monohydrateHCID 11065022(E)-2-(3,3-Diethoxyprop-1-en-1-yl)-4,4,5,5-tetramethyl-1,3,2-dioxaborolaneHCID 18451296N-[4-(4-amino-7-iodofuro[3,2-c]pyridin-3-yl)-2-methoxyphenyl]-1-methyl-1H-indole-2-carboxamide

生成物 1

HCID 18451056N-(4-{4-amino-7-[(1E)-3-oxoprop-1-enyl]furo[3,2-c]pyridin-3-yl}-2-methoxyphenyl)-1-methyl-1H-indole-2-carboxamide収率 62%

試薬・触媒・溶媒 3

HCID 180Acetone溶媒HCID 962Water溶媒2 回HCID 80711,2-Dimethoxyethane溶媒

実験手順

A mixture of N-[4-(4-amino-7-iodofuro[3,2-c]pyridin-3-yl)-2-methoxyphenyl]-1-methyl-1H-indole-2-carboxamide (3.16 g, 5.86 mmol) in 1,2-dimethoxyethane (40 mL) and water (20 mL) was reacted 2-[(E)-3,3-diethoxy-1-propenyl]-4,4,5,5-tetramethyl-1,3,2-dioxaborolane (2.87 g, 7.03 mmol,), sodium carbonate (1.55 g, 14.66 mmol) and tetrakis triphenylphosphine palladium (0) (0.68 g, 0.59 mmol) at 80° C. for eighteen hours. The solvent was removed in vacuo and the residue was partitioned between ethyl acetate (15 mL) and water (30 mL). The layers were separated and the aqueous layer was extracted with ethyl acetate (2×15 mL). The combined organic layers were dried over anhydrous magnesium sulfate and the solvent was removed in vacuo. The residue was purified by flash column chromatography on silica gel using 10% methanol in dichloromethane as an eluent to give a mixture of diethyl acetal, methyl ethyl acetal, and aldehyde. This mixture was reacted with p-toluenesulfonic acid monohydrate (0.10 g, 0.53 mmol) in acetone (100 mL) and water (10 mL) at ambient temperature for eighteen hours. The acetone was removed in vacuo and the precipitate was filtered, washing with water. The precipitate was triturated with 2-propanol (30 mL) for 1 hour. The solid was filtered and dried in vacuo to give the title compound (1.690 g, 62%) as a yellow solid. 1H NMR (DMSO-d6, 400 MHz) 9.64 (d, 1H), 9.49 (s, 1H), 8.26 (s, 1H), 8.22 (s, 1H), 8.06 (t, 1H), 7.79 (d, 1H), 7.71 (d, 1H), 7.59 (d, 1H), 7.30–7.38 (m, 2H), 7.27 (d, 1H), 7.12–7.20 (m, 2H), 6.94 (dd, 1H), 6.33–6.59 (b, 2H), 4.04 (s, 3H), 3.94 (s, 3H); RP-HPLC (Conditions d) Rt 7.36 min.; MS: MH+ 467.

後処理

  1. customThe solvent was removed in vacuo
  2. customthe residue was partitioned between ethyl acetate (15 mL) and water (30 mL)
  3. customThe layers were separated
  4. extractionthe aqueous layer was extracted with ethyl acetate (2×15 mL)
  5. dry with materialThe combined organic layers were dried over anhydrous magnesium sulfate
  6. customthe solvent was removed in vacuo
  7. customThe residue was purified by flash column chromatography on silica gel using 10% methanol in dichloromethane as an eluent
  8. customto give
  9. customThe acetone was removed in vacuo
  10. filtrationthe precipitate was filtered
  11. washwashing with water
  12. customThe precipitate was triturated with 2-propanol (30 mL) for 1 hour
  13. filtrationThe solid was filtered
  14. customdried in vacuo

出典と根拠

ORDレコード
ord-4db068ff1cf942aca657e3e08a3f278d
出典データセット
uspto-grants-2007_04
特許番号
US07202363B2

関連ノート

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