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Diisopropylethylamine → N2-(tert-butoxycarbonyl)-N,N2-dimethyl-N-[3-(triphenylphosphonio)propyl]glycinamide bromide

HRID 58330
ノート
印刷プレビュー

反応式

HRID 58330 の反応式
[C:1]([O:5][C:6]([N:8]([CH3:13])[CH2:9][C:10]([OH:12])=O)=[O:7])([CH3:4])([CH3:3])[CH3:2].C(N(CC)C(C)C)(C)C.O.ON1C2C=CC=CC=2N=N1.[BrH:34].[Br-].[CH3:36][NH:37][CH2:38][CH2:39][CH2:40][P+:41]([C:54]1[CH:59]=[CH:58][CH:57]=[CH:56][CH:55]=1)([C:48]1[CH:53]=[CH:52][CH:51]=[CH:50][CH:49]=1)[C:42]1[CH:47]=[CH:46][CH:45]=[CH:44][CH:43]=1.Cl.C(N=C=NCCCN(C)C)C>C(Cl)Cl.CN(C)C1C=CN=CC=1>[C:1]([O:5][C:6]([N:8]([CH3:13])[CH2:9][C:10]([N:37]([CH3:36])[CH2:38][CH2:39][CH2:40][P+:41]([C:54]1[CH:59]=[CH:58][CH:57]=[CH:56][CH:55]=1)([C:42]1[CH:43]=[CH:44][CH:45]=[CH:46][CH:47]=1)[C:48]1[CH:53]=[CH:52][CH:51]=[CH:50][CH:49]=1)=[O:12])=[O:7])([CH3:2])([CH3:3])[CH3:4].[Br-:34]
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 5

HCID 81531DiisopropylethylamineHCID 83692Glycine, N-[(1,1-dimethylethoxy)carbonyl]-N-methyl-HCID 27239391,3-Propanediamine, N'-(ethylcarbonimidoyl)-N,N-dimethyl-, monohydrochlorideHCID 27960291-Hydroxybenzotriazole hydrateHCID 19897074[3-(Methylamino)propyl]triphenylphosphonium Bromide Hydrobromide

生成物 1

HCID 131736995
N2-(tert-butoxycarbonyl)-N,N2-dimethyl-N-[3-(triphenylphosphonio)propyl]glycinamide bromide
収率 77.4%

試薬・触媒・溶媒 2

HCID 142844-(Dimethylamino)pyridine触媒HCID 6344Dichloromethane溶媒

実験手順

N-(tert-butoxycarbonyl)-N-methylglycine (309 mg, 1.63 mmol) was taken up in methylene chloride (7.8 mL) and treated with N,N-diisopropylethylamine (1.0 mL, 5.7 mmol), and 1-hydroxybenzotriazole hydrate (233 mg, 1.52 mmol). After 10 minutes at room temperature, [3-(methylamino)propyl](triphenyl)phosphonium bromide hydrobromide (933 mg, 1.88 mmol) was added, followed by 1-ethyl-(3-dimethylaminopropyl)carbodiimide hydrochloride (353 mg, 1.84 mmol) and 4-dimethylaminopyridine (145 mg, 0.11 mmol). The mixture was stirred overnight at room temperature. The reaction was isolated by washing with aqueous NaHCO3 and water to give crude product that was purified on a silica gel column eluting with 5-10% 1 M NH3 in methanol and methylene chloride to give the title compound (739 mg) in a 76% yield.

後処理

  1. customThe reaction was isolated
  2. washby washing with aqueous NaHCO3 and water
  3. customto give crude product that
  4. customwas purified on a silica gel column
  5. washeluting with 5-10% 1 M NH3 in methanol and methylene chloride

出典と根拠

ORDレコード
ord-5840f81b84034dd7b1d6e7d1e9abddf0
出典データセット
uspto-grants-2016_09
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09434753B2

反応ノート

読み込み中…

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