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Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1) → (-)-N-{1-[4-(1-cyano-1-methylethyl)-2-methylphenyl]ethyl}-2-(7-fluoro-1H-benzimidazol-1-yl)acetamide

HRID 420005
ノート
印刷プレビュー

反応式

HRID 420005 の反応式
[F:1][C:2]1[C:7]2[N:8]([CH2:11][C:12]([OH:14])=O)[CH:9]=[N:10][C:6]=2[CH:5]=[CH:4][CH:3]=1.[NH2:15][CH:16]([C:18]1[CH:23]=[CH:22][C:21]([C:24]([CH3:28])([CH3:27])[C:25]#[N:26])=[CH:20][C:19]=1[CH3:29])[CH3:17].CN(C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F>CN(C1C=CN=CC=1)C.CN(C=O)C.CO>[C:25]([C:24]([C:21]1[CH:22]=[CH:23][C:18]([CH:16]([NH:15][C:12](=[O:14])[CH2:11][N:8]2[C:7]3[C:2]([F:1])=[CH:3][CH:4]=[CH:5][C:6]=3[N:10]=[CH:9]2)[CH3:17])=[C:19]([CH3:29])[CH:20]=1)([CH3:27])[CH3:28])#[N:26]
参加物実験手順後処理出典と根拠反応ノート

参加物

7

反応物 3

HCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 112177812-(7-Fluoro-1H-1,3-benzodiazol-1-yl)acetic acidHCID 582984892-[4-(1-Aminoethyl)-3-methylphenyl]-2-methylpropanenitrile

生成物 1

HCID 24850221(-)-N-{1-[4-(1-cyano-1-methylethyl)-2-methylphenyl]ethyl}-2-(7-fluoro-1H-benzimidazol-1-yl)acetamide収率 63%

試薬・触媒・溶媒 3

HCID 142844-(Dimethylamino)pyridine触媒HCID 887Methanol溶媒HCID 6228Dimethylformamide溶媒

実験手順

To a solution of (7-fluoro-1H-benzimidazol-1-yl)acetic acid (250 mg, 1.29 mmol) prepared according to scheme 5, 2-[4-(1-aminoethyl)-3-methylphenyl]-2-methylpropanenitrile (260 mg 1.29 mmol) prepared according to scheme 15 and DMAP (156 mg, 1.29 mmol) stirred in anhydrous DMF (4.0 mL) is added HATU (490 mg, 1.29 mmol) after 18 hours of stirring, the mixture is diluted with Methanol (200 μL) the solution is purified directly on a preparative LCMS system equipped with a Synergi Polar (4u) 21.2×50 mm column, mobile phase: A=water (0.1% TFA), B=MeCN using a short 40 to 60% B 10 min. gradient method. The pure fractions are combined the TFA neutralized with a 4N NaOH solution and then extracted with ethyl acetate which is separated dried over anhydrous Na2SO4, filtered and concentrated under reduced pressure to provide the expected product (+) and (−)-N-{1-[4-(1-cyano-1-methylethyl)-2-methylphenyl]ethyl}-2-(7-fluoro-1H-benzimidazol-1-yl)acetamide (306 mg, 63%) as a white solid. 1H NMR (400 MHz, METHANOL-D4) δ ppm 1.44 (d, J=6.84 Hz, 3H) 1.66 (s, 6H) 2.35 (s, 3H) 5.02-5.14 (m, 2H) 5.19 (q, J=7.03 Hz, 1H) 6.99 (dd, J=11.52, 7.42 Hz, 1H) 7.19 (dt, J=8.15, 4.98 Hz, 1H) 7.26 (d, J=2.15 Hz, 1H) 7.32 (dd, J=8.01, 2.34 Hz, 3H) 7.39 (d, J=8.20 Hz, 1H) 7.45 (d, J=7.62 Hz, 1H) 8.09 (s, 1H), MS [M+H], calcd: 379.2. found: 379.2.

後処理

  1. customprepared
  2. customis purified directly on a preparative LCMS system
  3. customequipped with a Synergi Polar (4u) 21.2×50 mm column, mobile phase
  4. customa short 40 to 60% B 10 min. gradient method
  5. extractionextracted with ethyl acetate which
  6. customis separated
  7. dry with materialdried over anhydrous Na2SO4
  8. filtrationfiltered
  9. concentrationconcentrated under reduced pressure

出典と根拠

ORDレコード
ord-ea8bcd636f09482db2e3fde401bf8f82
出典データセット
uspto-grants-2012_01
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08093402B2

反応ノート

読み込み中…

このページの内容参加物実験手順後処理出典と根拠反応ノート