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(1AR,7bS)-methyl 5-amino-1,1a,2,7b-tetrahydrocyclopropa[c]chromene-4-carboxylate → methyl (1aR,7bS)-5-[2-(1-ethylpiperidin-3-ylmethyl)-4-fluoro-benzenesulfonylamino]-1,1a,2,7b-tetrahydrocyclopropa[c]chromene-4-carboxylate

HRID 928075
ノート
印刷プレビュー

反応式

HRID 928075 の反応式
[CH2:1]([N:3]1[CH2:8][CH2:7][CH2:6][CH:5]([CH2:9][C:10]2[CH:15]=[C:14]([F:16])[CH:13]=[CH:12][C:11]=2[S:17](Cl)(=[O:19])=[O:18])[CH2:4]1)[CH3:2].[NH2:21][C:22]1[C:31]([C:32]([O:34][CH3:35])=[O:33])=[C:30]2[C:25]([C@H:26]3[CH2:36][C@H:27]3[CH2:28][O:29]2)=[CH:24][CH:23]=1>C(Cl)Cl.N1C=CC=CC=1>[CH2:1]([N:3]1[CH2:8][CH2:7][CH2:6][CH:5]([CH2:9][C:10]2[CH:15]=[C:14]([F:16])[CH:13]=[CH:12][C:11]=2[S:17]([NH:21][C:22]2[C:31]([C:32]([O:34][CH3:35])=[O:33])=[C:30]3[C:25]([C@H:26]4[CH2:36][C@H:27]4[CH2:28][O:29]3)=[CH:24][CH:23]=2)(=[O:19])=[O:18])[CH2:4]1)[CH3:2]
参加物実験手順後処理出典と根拠反応ノート

参加物

5

反応物 2

HCID 86713369(1AR,7bS)-methyl 5-amino-1,1a,2,7b-tetrahydrocyclopropa[c]chromene-4-carboxylate2 回HCID 867133742-(1-Ethylpiperidin-3-ylmethyl)-4-fluorobenzenesulfonyl chloride2 回

生成物 1

HCID 71006889methyl (1aR,7bS)-5-[2-(1-ethylpiperidin-3-ylmethyl)-4-fluoro-benzenesulfonylamino]-1,1a,2,7b-tetrahydrocyclopropa[c]chromene-4-carboxylate収率 21.5%

試薬・触媒・溶媒 2

HCID 1049Pyridine
溶媒
HCID 6344Dichloromethane溶媒

実験手順

2-(1-Ethylpiperidin-3-ylmethyl)-4-fluorobenzenesulfonyl chloride (Intermediate 222, 0.21 g) was added to a solution of methyl (1aR,7bS)-5-amino-1,1a,2,7b-tetrahydrocyclopropa[c]chromene-4-carboxylate (Intermediate 42A 0.290 g) in DCM (10 mL) and pyridine (2 mL) and the resultant mixture was stirred at room temperature for 4 hours. The mixture was evaporated to dryness and the residue was partitioned between DCM and water. The organic layer was dried (Na2SO4), filtered and the filtrate was concentrated in vacuo. The residue was purified by chromatography on silica eluting with a mixture of 2M ammonia in methanol and DCM with a gradient of 0-15% to give methyl (1aR,7bS)-5-[2-(1-ethylpiperidin-3-ylmethyl)-4-fluoro-benzenesulfonylamino]-1,1a,2,7b-tetrahydrocyclopropa[c]chromene-4-carboxylate (0.071 g).

後処理

  1. customThe mixture was evaporated to dryness
  2. customthe residue was partitioned between DCM and water
  3. dry with materialThe organic layer was dried (Na2SO4)
  4. filtrationfiltered
  5. concentrationthe filtrate was concentrated in vacuo
  6. customThe residue was purified by chromatography on silica eluting with a mixture of 2M ammonia in methanol and DCM with a gradient of 0-15%

出典と根拠

ORDレコード
ord-aaa23cb557c54a48b1d380b6c33530a6
出典データセット
uspto-grants-2016_03
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09290472B2

反応ノート

読み込み中…

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