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Diisopropylethylamine → (R)-2-{2-Fluoro-4-[(2-trifluoromethyl-pyridine-4-carbonyl)-amino]-phenyl}-morpholine-4-carboxylic acid tert-butyl ester

HRID 571848
ノート
印刷プレビュー

反応式

HRID 571848 の反応式
[F:1][C:2]([F:13])([F:12])[C:3]1[CH:8]=[C:7]([C:9]([OH:11])=O)[CH:6]=[CH:5][N:4]=1.[C:14]([O:18][C:19]([N:21]1[CH2:26][CH2:25][O:24][C@H:23]([C:27]2[CH:32]=[CH:31][C:30]([NH2:33])=[CH:29][C:28]=2[F:34])[CH2:22]1)=[O:20])([CH3:17])([CH3:16])[CH3:15].C(N(C(C)C)C(C)C)C>C(Cl)Cl.CN(C=O)C>[C:14]([O:18][C:19]([N:21]1[CH2:26][CH2:25][O:24][C@H:23]([C:27]2[CH:32]=[CH:31][C:30]([NH:33][C:9]([C:7]3[CH:6]=[CH:5][N:4]=[C:3]([C:2]([F:1])([F:13])[F:12])[CH:8]=3)=[O:11])=[CH:29][C:28]=2[F:34])[CH2:22]1)=[O:20])([CH3:17])([CH3:15])[CH3:16]
参加物実験手順後処理出典と根拠反応ノート

参加物

6

反応物 3

HCID 81531DiisopropylethylamineHCID 147614472-(Trifluoromethyl)pyridine-4-carboxylic acidHCID 68325616(R)-tert-butyl 2-(4-amino-2-fluorophenyl)morpholine-4-carboxylate

生成物 1

HCID 71086866(R)-2-{2-Fluoro-4-[(2-trifluoromethyl-pyridine-4-carbonyl)-amino]-phenyl}-morpholine-4-carboxylic acid tert-butyl ester

試薬・触媒・溶媒 2

HCID 6228
Dimethylformamide
溶媒
HCID 6344Dichloromethane溶媒

実験手順

Under N2, 2-(trifluoromethyl)-4-pyridinecarboxylic acid (CAS 131747-41-6) (64.4 mg, 337 μmol, Eq: 1.00) was dissolved in CH2Cl2 (1 ml). 1-chloro-N,N2-trimethypropenylamine (51.8 mg, 51.3 μl, 388 μmol, Eq: 1.15) was added dropwise. After 30 minutes at RT, a solution contained (R)-2-(4-Amino-2-fluoro-phenyl)-morpholine-4-carboxylic acid tert-butyl ester (100 mg, 337 μmol, Eq: 1.00) and ethyldiisopropylamine (109 mg, 140 μl, 842 μmol, Eq: 2.5) in DMF (1.00 ml) was added. The RM was stirred at RT over 1 hour. Control with TLC: the reaction was finished. The RM was extracted with EtOAc and 1M citric acid solution; the organic phase was dried over MgSO4; filtered; concentrated in vacuo. The crude material was purified by flash chromatography (silica gel, 10 g, 10% to 50% EtOAc in heptane) leading to 149 mg (82%) of a white foam. MS (EIC): 468.1 ([M−H]−)

後処理

  1. additionwas added
  2. extractionThe RM was extracted with EtOAc and 1M citric acid solution
  3. dry with materialthe organic phase was dried over MgSO4
  4. filtrationfiltered
  5. concentrationconcentrated in vacuo
  6. customThe crude material was purified by flash chromatography (silica gel, 10 g, 10% to 50% EtOAc in heptane)

出典と根拠

ORDレコード
ord-6cf179b61a7c43eaad51f11f8be1577c
出典データセット
uspto-grants-2015_05
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09029370B2

反応ノート

読み込み中…

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