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1,2-Dichloroethane → 4-[2-(2,4-dihydroxy-5-isopropyl-benzoyl)-2,3-dihydro-1H-isoindole-5-carbonyl]-piperazine-1-carboxylic acid tert-butyl ester

HRID 424109
ノート
印刷プレビュー

反応式

HRID 424109 の反応式
C([O:8][C:9]1[CH:28]=[C:27]([O:29]CC2C=CC=CC=2)[C:26]([CH:37]([CH3:39])[CH3:38])=[CH:25][C:10]=1[C:11]([N:13]1[CH2:21][C:20]2[C:15](=[CH:16][CH:17]=[C:18]([C:22](O)=[O:23])[CH:19]=2)[CH2:14]1)=[O:12])C1C=CC=CC=1.C(Cl)CCl.C1C=CC2N(O)N=NC=2C=1.[C:54]([N:61]1[CH2:66][CH2:65][NH:64][CH2:63][CH2:62]1)([O:56][C:57]([CH3:60])([CH3:59])[CH3:58])=[O:55]>CN(C=O)C>[C:57]([O:56][C:54]([N:61]1[CH2:62][CH2:63][N:64]([C:22]([C:18]2[CH:19]=[C:20]3[C:15](=[CH:16][CH:17]=2)[CH2:14][N:13]([C:11](=[O:12])[C:10]2[CH:25]=[C:26]([CH:37]([CH3:39])[CH3:38])[C:27]([OH:29])=[CH:28][C:9]=2[OH:8])[CH2:21]3)=[O:23])[CH2:65][CH2:66]1)=[O:55])([CH3:60])([CH3:59])[CH3:58]
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 111,2-DichloroethaneHCID 757711-HydroxybenzotriazoleHCID 143452tert-Butyl piperazine-1-carboxylateHCID 590070032-(2,4-bis-benzyloxy-5-isopropyl-benzoyl)-2,3-dihydro-1H-isoindole-5-carboxylic acid

生成物 1

HCID 666726574-[2-(2,4-dihydroxy-5-isopropyl-benzoyl)-2,3-dihydro-1H-isoindole-5-carbonyl]-piperazine-1-carboxylic acid tert-butyl ester収率 102.2%

試薬・触媒・溶媒 1

HCID 6228Dimethylformamide溶媒

実験手順

A solution of 2-(2,4-bis-benzyloxy-5-isopropyl-benzoyl)-2,3-dihydro-1H-isoindole-5-carboxylic acid (Preparation D6) (0.5 g, 0.96 mmol), EDC (0.22 g, 1.15 mmol), HOBT (0.196 g, 1.15 mmol) and BOC piperazine (0.117 ml, 1.06 mmol) in DMF (10 ml) was stirred at room temperature for 48 hours, then evaporated under vacuum. The crude material was dissolved in ethyl acetate and extracted twice with saturated NaHCO3, organics washed with brine, dried (MgSO4), filtered then evaporated under vacuum and purified by flash column chromatography (80% EtOAc-P.E. as eluant) to give 0.5 g of 4-[2-(2,4-dihydroxy-5-isopropyl-benzoyl)-2,3-dihydro-1H-isoindole-5-carbonyl]-piperazine-1-carboxylic acid tert-butyl ester. MS: [M+H]+ 688.

後処理

  1. customevaporated under vacuum
  2. dissolutionThe crude material was dissolved in ethyl acetate
  3. extractionextracted twice with saturated NaHCO3
  4. washorganics washed with brine
  5. dry with materialdried (MgSO4)
  6. filtrationfiltered
  7. customthen evaporated under vacuum
  8. custompurified by flash column chromatography (80% EtOAc-P.E. as eluant)

出典と根拠

ORDレコード
ord-d5db56ecfc384bec8fe61c78650eaf48
出典データセット
uspto-grants-2012_01
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08101648B2

反応ノート

読み込み中…

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