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Dimethylamine → 2-(5-((tert-butyldiphenylsilyloxy)methyl)-4-((2R,6S)-2,6-dimethylmorpholino)-2,3-difluorophenyl)-N,N-dimethyl-2-oxoacetamide

HRID 245416
ノート
印刷プレビュー

反応式

HRID 245416 の反応式
[Si:1]([O:18][CH2:19][C:20]1[C:21]([N:33]2[CH2:38][C@H:37]([CH3:39])[O:36][C@H:35]([CH3:40])[CH2:34]2)=[C:22]([F:32])[C:23]([F:31])=[C:24]([C:26](=[O:30])[C:27]([OH:29])=O)[CH:25]=1)([C:14]([CH3:17])([CH3:16])[CH3:15])([C:8]1[CH:13]=[CH:12][CH:11]=[CH:10][CH:9]=1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.[CH3:41][N:42](C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)[CH3:43].F[P-](F)(F)(F)(F)F.C(N(CC)CC)C.CNC>C1COCC1.CN(C=O)C.O>[Si:1]([O:18][CH2:19][C:20]1[C:21]([N:33]2[CH2:38][C@H:37]([CH3:39])[O:36][C@H:35]([CH3:40])[CH2:34]2)=[C:22]([F:32])[C:23]([F:31])=[C:24]([C:26](=[O:30])[C:27]([N:42]([CH3:43])[CH3:41])=[O:29])[CH:25]=1)([C:14]([CH3:17])([CH3:16])[CH3:15])([C:2]1[CH:3]=[CH:4][CH:5]=[CH:6][CH:7]=1)[C:8]1[CH:9]=[CH:10][CH:11]=[CH:12][CH:13]=1
参加物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 674DimethylamineHCID 8471TriethylamineHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 866580682-(5-((tert-butyldiphenylsilyloxy)methyl)-4-((2R,6S)-2,6-dimethylmorpholino)-2,3-difluorophenyl)-2-oxoacetic acid2 回

生成物 1

HCID 86658070
2-(5-((tert-butyldiphenylsilyloxy)methyl)-4-((2R,6S)-2,6-dimethylmorpholino)-2,3-difluorophenyl)-N,N-dimethyl-2-oxoacetamide
収率 74.5%

試薬・触媒・溶媒 3

HCID 962Water溶媒HCID 6228Dimethylformamide溶媒HCID 8028Tetrahydrofuran溶媒

実験手順

2-(5-((tert-butyldiphenylsilyloxy)methyl)-4-((2R,6S)-2,6-dimethylmorpholino)-2,3-difluorophenyl)-2-oxoacetic acid (Intermediate 118, 250 mg, 0.44 mmol), HATU (335 mg, 0.88 mmol), triethylamine (0.184 ml, 1.32 mmol) and 2.0M dimethylamine (0.440 ml, 0.88 mmol) in THF were stirred in DMF (5 ml) in a closed vial for 16 hours. The reaction was diluted with water and extracted 3× with ethyl acetate. The organic layers were washed 3× with brine, dried over MgSO4 and concentrated to give an oil. The oil was purified by silica gel column chromatography using a gradient of hexanes to ethyl acetate. Fractions were combined and concentrated to give the title compound (195 mg, 0.328 mmol, 74.5%)

後処理

  1. extractionextracted 3× with ethyl acetate
  2. washThe organic layers were washed 3× with brine
  3. dry with materialdried over MgSO4
  4. concentrationconcentrated
  5. customto give an oil
  6. customThe oil was purified by silica gel column chromatography
  7. concentrationconcentrated

出典と根拠

ORDレコード
ord-78f41e7ef952407fb849ea102715be46
出典データセット
uspto-grants-2014_02
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08658641B2

反応ノート

読み込み中…

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