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Triethylamine → (2,4-Bis-benzyloxy-5-isopropyl-phenyl)-(5-nitro-1,3-dihydro-isoindol-2-yl)methanone

HRID 334923
ノート
印刷プレビュー

反応式

HRID 334923 の反応式
[CH2:1]([O:8][C:9]1[CH:17]=[C:16]([O:18][CH2:19][C:20]2[CH:25]=[CH:24][CH:23]=[CH:22][CH:21]=2)[C:15]([CH:26]([CH3:28])[CH3:27])=[CH:14][C:10]=1[C:11](O)=[O:12])[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.[N+:29]([C:32]1[CH:33]=[C:34]2[C:38](=[CH:39][CH:40]=1)[CH2:37][NH:36][CH2:35]2)([O-:31])=[O:30].FC(F)(F)C([O-])=O.CCN=C=NCCCN(C)C.C1C=CC2N(O)N=NC=2C=1.CCN(CC)CC>CN(C=O)C>[CH2:1]([O:8][C:9]1[CH:17]=[C:16]([O:18][CH2:19][C:20]2[CH:21]=[CH:22][CH:23]=[CH:24][CH:25]=2)[C:15]([CH:26]([CH3:28])[CH3:27])=[CH:14][C:10]=1[C:11]([N:36]1[CH2:35][C:34]2[C:38](=[CH:39][CH:40]=[C:32]([N+:29]([O-:31])=[O:30])[CH:33]=2)[CH2:37]1)=[O:12])[C:2]1[CH:3]=[CH:4][CH:5]=[CH:6][CH:7]=1
参加物実験手順後処理出典と根拠反応ノート

参加物

8

反応物 6

HCID 8471TriethylamineHCID 159081-Ethyl-3-(3'-dimethylaminopropyl)carbodiimideHCID 757711-HydroxybenzotriazoleHCID 84468TrifluoroacetateHCID 64244695-NitroisoindolineHCID 591678792,4-Dibenzyloxy-5-isopropyl-benzoic acid

生成物 1

HCID 66672501
(2,4-Bis-benzyloxy-5-isopropyl-phenyl)-(5-nitro-1,3-dihydro-isoindol-2-yl)methanone

試薬・触媒・溶媒 1

HCID 6228Dimethylformamide溶媒

実験手順

A solution of 2,4-bis-benzyloxy-5-isopropyl-benzoic acid (505 mg; 1.3 mmol) (Preparation B5), 5-nitroisoindoline, trifluoroacetate (360 mg; 1 equiv.), EDAC (300 mg; 1.2 equiv.), HOBt (210 mg; 1.2 equiv.) and NEt3 (270 μl; 1.5 equiv.) in DMF (10 ml) was stirred at room temperature overnight then evaporated in vacuo. The residue was partitioned between EtOAc and 2M HCl, the EtOAc layer was separated, washed with saturated NaHCO3, dried (MgSO4) and evaporated. Purification by flash column chromatography (1:4 then 1:2 then 1:1 EtOAc/P.E. as eluant) gave 460 mg of (2,4-bis-benzyloxy-5-isopropyl-phenyl)-(5-nitro-1,3-dihydro-isoindol-2-yl)methanone. MS: [M+H]+ 523.

後処理

  1. customthen evaporated in vacuo
  2. customThe residue was partitioned between EtOAc and 2M HCl
  3. customthe EtOAc layer was separated
  4. washwashed with saturated NaHCO3
  5. dry with materialdried (MgSO4)
  6. customevaporated
  7. customPurification by flash column chromatography (1:4

出典と根拠

ORDレコード
ord-8c16d91264e9466b83a89cae5d02df6b
出典データセット
uspto-grants-2014_11
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08883790B2

反応ノート

読み込み中…

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