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Diisopropylethylamine → 4-amino-5-chloro-2-fluoro-N-[(3R)-1-methylpyrrolidin-3-yl]benzamide

HRID 2234474
ノート
印刷プレビュー

反応式

HRID 2234474 の反応式
[NH2:1][C:2]1[C:10]([Cl:11])=[CH:9][C:5]([C:6]([OH:8])=O)=[C:4]([F:12])[CH:3]=1.CN(C(ON1N=[N:28][C:23]2[CH:24]=[CH:25][CH:26]=[N:27][C:22]1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.Cl.Cl.CN1CC[C@@H](N)C1.C(N(C(C)C)CC)(C)C>CN(C=O)C>[NH2:1][C:2]1[C:10]([Cl:11])=[CH:9][C:5]([C:6]([NH:28][C@@H:23]2[CH2:24][CH2:25][N:27]([CH3:26])[CH2:22]2)=[O:8])=[C:4]([F:12])[CH:3]=1
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 4

HCID 81531DiisopropylethylamineHCID 9886157Methanaminium, N-((dimethylamino)(3H-1,2,3-triazolo(4,5-b)pyridin-3-yloxy)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 53256048(3R)-1-Methyl-3-PyrrolidinaMine hydrochloride2 回HCID 686839334-Amino-5-chloro-2-fluorobenzoic acid2 回

生成物 1

HCID 686875884-amino-5-chloro-2-fluoro-N-[(3R)-1-methylpyrrolidin-3-yl]benzamide
収率 77.6%

試薬・触媒・溶媒 1

HCID 6228Dimethylformamide溶媒

実験手順

4-amino-5-chloro-2-fluorobenzoic acid (Intermediate 176; 300 mg, 1.58 mmol), HATU (903 mg, 2.37 mmol) and (3R)-1-methylpyrrolidin-3-amine di Hydrochloride (Intermediate 184; 325 mg, 2.37 mmol) were stirred in DMF (5 mL) and diisopropylethylamine (1.2 mL, 7.12 mmol) added. The mixture was stirred for 2 hours at room temperature and then absorbed on to an SCX column, washed with methanol and eluted with ammonia in methanol. Product containing fractions were concentrated and purified by column chromatography (5% ammonia in methanol/DCM) to yield the title compound as a pale orange solid (333 mg, 77%).

後処理

  1. customabsorbed on to an SCX column
  2. washwashed with methanol
  3. washeluted with ammonia in methanol
  4. additionProduct containing fractions
  5. concentrationwere concentrated
  6. custompurified by column chromatography (5% ammonia in methanol/DCM)

出典と根拠

ORDレコード
ord-2c7c543f60624e65a1fe74fe3bd894b3
出典データセット
uspto-grants-2010_05
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07709471B2

反応ノート

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