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Diisopropylethylamine → Ethyl 2-((8-(benzyloxy)-5-(5-(tert-butoxycarbonylamino)-N-methylpentylsulfonamido)-1,6-naphthyridine-7-carboxamido)methyl)-5-fluorobenzoate

HRID 455311
ノート
印刷プレビュー

反応式

HRID 455311 の反応式
[CH2:1]([O:8][C:9]1[C:10]([C:37](O)=[O:38])=[N:11][C:12]([N:19]([CH3:36])[S:20]([CH2:23][CH2:24][CH2:25][CH2:26][CH2:27][NH:28][C:29]([O:31][C:32]([CH3:35])([CH3:34])[CH3:33])=[O:30])(=[O:22])=[O:21])=[C:13]2[C:18]=1[N:17]=[CH:16][CH:15]=[CH:14]2)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.CN(C(ON1N=NC2C=CC=CC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F.CCN(C(C)C)C(C)C.Cl.[NH2:74][CH2:75][C:76]1[CH:86]=[CH:85][C:84]([F:87])=[CH:83][C:77]=1[C:78]([O:80][CH2:81][CH3:82])=[O:79]>ClCCl>[CH2:1]([O:8][C:9]1[C:10]([C:37]([NH:74][CH2:75][C:76]2[CH:86]=[CH:85][C:84]([F:87])=[CH:83][C:77]=2[C:78]([O:80][CH2:81][CH3:82])=[O:79])=[O:38])=[N:11][C:12]([N:19]([CH3:36])[S:20]([CH2:23][CH2:24][CH2:25][CH2:26][CH2:27][NH:28][C:29]([O:31][C:32]([CH3:33])([CH3:34])[CH3:35])=[O:30])(=[O:21])=[O:22])=[C:13]2[C:18]=1[N:17]=[CH:16][CH:15]=[CH:14]2)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][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 2733084Methanaminium, N-((1H-benzotriazol-1-yloxy)(dimethylamino)methylene)-N-methyl-, hexafluorophosphate(1-) (1:1)HCID 67109674Ethyl 2-(aminomethyl)-5-fluorobenzoate hydrochlorideHCID 671099298-(benzyloxy)-5-(5-(tert-butoxycarbonylamino)-N-methylpentylsulfonamido)-1,6-naphthyridine-7-carboxylic acid

生成物 1

HCID 68009395
Ethyl 2-((8-(benzyloxy)-5-(5-(tert-butoxycarbonylamino)-N-methylpentylsulfonamido)-1,6-naphthyridine-7-carboxamido)methyl)-5-fluorobenzoate
収率 71%

試薬・触媒・溶媒 1

HCID 6344Dichloromethane溶媒

実験手順

To a solution of 8-(benzyloxy)-5-(5-(tert-butoxycarbonylamino)-N-methylpentylsulfonamido)-1,6-naphthyridine-7-carboxylic acid (Example 2.4; 3.82 mmol) in dichloro methane (38 ml) were added HBTU (4.58 mmol) and DIPEA (15.8 mmol). The mixture was stirred for 5 min at rt. Ethyl 2-(aminomethyl)-5-fluorobenzoate hydrochloride (Example 4; 4.58 mmol) was added portionwise at rt. The mixture was stirred overnight at rt. The product was extracted with CH2Cl2, dried over MgSO4 and concentrated. The crude product was purified by SiO2 column chromatography (AcOEt:Hex, 1:1) to afford the target compound in 71% yield.

後処理

  1. stirringThe mixture was stirred overnight at rt
  2. extractionThe product was extracted with CH2Cl2
  3. dry with materialdried over MgSO4
  4. concentrationconcentrated
  5. customThe crude product was purified by SiO2 column chromatography (AcOEt:Hex, 1:1)
  6. customto afford the target compound in 71% yield

出典と根拠

ORDレコード
ord-4a66b0a27a144141b0e4cd7aae425fcc
出典データセット
uspto-grants-2013_07
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08497270B2

反応ノート

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