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Diisopropylethylamine → N,N'-bis(tert-butoxycarbonyl)-N''-(1-(4-methylpyridin-2-yl)pyrrolidin-3-yl)guanidine

HRID 1059895
ノート
印刷プレビュー

反応式

HRID 1059895 の反応式
[NH2:1][CH:2]1[CH2:6][CH2:5][N:4]([C:7]2[CH:12]=[C:11]([CH3:13])[CH:10]=[CH:9][N:8]=2)[CH2:3]1.[C:14]([O:18][C:19]([NH:21][C:22]([NH:24][C:25]([O:27][C:28]([CH3:31])([CH3:30])[CH3:29])=[O:26])=S)=[O:20])([CH3:17])([CH3:16])[CH3:15].C(N(C(C)C)CC)(C)C.[I-].C[N+]1C=CC=CC=1Cl>ClCCl.C(OCC)(=O)C>[C:28]([O:27][C:25]([NH:24][C:22]([NH:21][C:19]([O:18][C:14]([CH3:17])([CH3:16])[CH3:15])=[O:20])=[N:1][CH:2]1[CH2:6][CH2:5][N:4]([C:7]2[CH:12]=[C:11]([CH3:13])[CH:10]=[CH:9][N:8]=2)[CH2:3]1)=[O:26])([CH3:31])([CH3:30])[CH3:29]
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 81531DiisopropylethylamineHCID 1670692-Chloro-1-methylpyridinium iodideHCID 5193990N,N'-Di-Boc-thioureaHCID 186675373-Amino-1-(4-methylpyridin-2-yl)pyrrolidine

生成物 1

HCID 18667639N,N'-bis(tert-butoxycarbonyl)-N''-(1-(4-methylpyridin-2-yl)pyrrolidin-3-yl)guanidine収率 69.2%

試薬・触媒・溶媒 2

HCID 6344
Dichloromethane
溶媒
HCID 8857Ethyl Acetate溶媒

実験手順

To a suspension of 3-amino-1-(4-methylpyridin-2-yl)pyrrolidine (177 mg) and N,N′-bis(tert-butoxycarbonyl)thiourea (331 mg) and diisopropylethylamine (0.4 ml) in dichloromethane (10 ml) was added 1-methyl-2-chloropyridinium iodide (332 mg), and the mixture was stirred for 16 hours. The mixture was diluted with ethyl acetate, washed with water and brine, dried over magnesium sulfate and evaporated under reduced pressure. The residue was purified by column chromatography (silica gel 25 g, n-hexane:ethyl acetate=4:1) and crystallized from diisopropyl ether to give N,N′-bis(tert-butoxycarbonyl)-N″-(1-(4-methylpyridin-2-yl)pyrrolidin-3-yl)guanidine (290 mg).

後処理

  1. washwashed with water and brine
  2. dry with materialdried over magnesium sulfate
  3. customevaporated under reduced pressure
  4. customThe residue was purified by column chromatography (silica gel 25 g, n-hexane:ethyl acetate=4:1)
  5. customcrystallized from diisopropyl ether

出典と根拠

ORDレコード
ord-5d757d61752840fa84bf33554e578726
出典データセット
uspto-grants-2003_02
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US06521643B1

反応ノート

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