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Benzylamine → (1S,2S,5R)-2-(benzylamino-methyl)-7-methyl-3-aza-bicyclo[3.3.0]-octane-3-carboxylic acid tert.-butyl ester

HRID 425797
ノート
印刷プレビュー

反応式

HRID 425797 の反応式
[CH2:1]([NH2:8])[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.[C:9]([O:13][C:14]([N:16]1[CH2:23][C@H:22]2[C@H:18]([CH2:19][CH:20]([CH3:24])[CH2:21]2)[C@H:17]1[CH:25]=O)=[O:15])([CH3:12])([CH3:11])[CH3:10].[BH-](OC(C)=O)(OC(C)=O)OC(C)=O.[Na+].C([O-])(O)=O.[Na+]>C(Cl)(Cl)Cl.CC(=O)OCC.CCCCCCC>[C:9]([O:13][C:14]([N:16]1[CH2:23][C@H:22]2[C@H:18]([CH2:19][CH:20]([CH3:24])[CH2:21]2)[C@H:17]1[CH2:25][NH:8][CH2:1][C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1)=[O:15])([CH3:12])([CH3:10])[CH3:11]
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 4

HCID 7504BenzylamineHCID 516892Sodium BicarbonateHCID 5049666Sodium triacetoxyborohydrideHCID 86643542(1S,2S,5R)-2-formyl-7-methyl-3-aza-bicyclo[3.3.0]-octane-3-carboxylic acid tert.-butyl ester

生成物 1

HCID 66703797(1S,2S,5R)-2-(benzylamino-methyl)-7-methyl-3-aza-bicyclo[3.3.0]-octane-3-carboxylic acid tert.-butyl ester

試薬・触媒・溶媒 2

HCID 6212Chloroform溶媒HCID 21899848Ethylacetate heptane溶媒

実験手順

Benzylamine (0.155 mL, 1.75 eq) was added to a solution of (1S,2S,5R)-2-formyl-7-methyl-3-aza-bicyclo[3.3.0]-octane-3-carboxylic acid tert.-butyl ester (206 mg, 1 eq) in chloroform (6 mL). After 15 min the mixture was treated with NaBH(OAc)3 (173 mg, 1 eq), and stirred for 16 h. The reaction mixture was poured into a sat. aq. NaHCO3 solution. The layers were separated and the aq. layer was extracted twice with chloroform. The combined org. extracts were washed with sat. NaHCO3 solution, dried over anh. MgSO4, filtered and concentrated in vacuo to give a crude yellow oil. FC (EA/n-heptane: 3/7 to 7/3) gave the title compound as a colourless oil

後処理

  1. customThe layers were separated
  2. extractionthe aq. layer was extracted twice with chloroform
  3. washextracts were washed with sat. NaHCO3 solution
  4. dry with materialdried over anh. MgSO4
  5. filtrationfiltered
  6. concentrationconcentrated in vacuo
  7. customto give a crude yellow oil

出典と根拠

ORDレコード
ord-10fdae76badd4ad8b5b8ceab6eb296a7
出典データセット
uspto-grants-2012_01
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08106215B2

反応ノート

読み込み中…

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