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Triethylamine → (2S,4R)-4-hydroxy-2-{4-[2-(4-nitrobenzyloxycarbonyl)oxyethyl]-1-piperazinyl carbonyl}-1-(4-nitrobenzyloxycarbonyl)pyrrolidine

HRID 727683
ノート
印刷プレビュー

反応式

HRID 727683 の反応式
C(P(=O)(OCC)OCC)#N.C(N(CC)CC)C.[OH:18][C@H:19]1[CH2:23][N:22]([C:24]([O:26][CH2:27][C:28]2[CH:33]=[CH:32][C:31]([N+:34]([O-:36])=[O:35])=[CH:30][CH:29]=2)=[O:25])[C@H:21]([C:37]([OH:39])=O)[CH2:20]1.Cl.Cl.[N+:42]([C:45]1[CH:63]=[CH:62][C:48]([CH2:49][O:50][C:51]([O:53][CH2:54][CH2:55][N:56]2[CH2:61][CH2:60][NH:59][CH2:58][CH2:57]2)=[O:52])=[CH:47][CH:46]=1)([O-:44])=[O:43]>CN(C)C=O.C(OCC)(=O)C>[OH:18][C@H:19]1[CH2:23][N:22]([C:24]([O:26][CH2:27][C:28]2[CH:29]=[CH:30][C:31]([N+:34]([O-:36])=[O:35])=[CH:32][CH:33]=2)=[O:25])[C@H:21]([C:37]([N:59]2[CH2:60][CH2:61][N:56]([CH2:55][CH2:54][O:53][C:51]([O:50][CH2:49][C:48]3[CH:62]=[CH:63][C:45]([N+:42]([O-:44])=[O:43])=[CH:46][CH:47]=3)=[O:52])[CH2:57][CH2:58]2)=[O:39])[CH2:20]1
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 8471TriethylamineHCID 76257Diethyl cyanophosphonateHCID 10566895trans-4-Hydroxy-1-(4-nitrobenzyloxycarbonyl)-L-prolineHCID 675853301-[2-(4-Nitrobenzyloxycarbonyloxy)ethyl]piperazine dihydrochloride

生成物 1

HCID 22881632(2S,4R)-4-hydroxy-2-{4-[2-(4-nitrobenzyloxycarbonyl)oxyethyl]-1-piperazinyl carbonyl}-1-(4-nitrobenzyloxycarbonyl)pyrrolidine
収率 94.5%

試薬・触媒・溶媒 2

HCID 6228Dimethylformamide溶媒HCID 8857Ethyl Acetate溶媒

実験手順

25.7 ml of diethyl cyanophosphonate and 68.7 ml of triethylamine were added dropwise, whilst ice-cooling, to a suspension of 47.8 g of trans-4-hydroxy-1-(4-nitrobenzyloxycarbonyl)-L-proline and 64.8 g of 1-[2-(4-nitrobenzyloxycarbonyloxy)ethyl]piperazine dihydrochloride in 400 ml of dry dimethylformamide, and the resulting mixture was stirred at the same temperature for 30 minutes. At the end of this time, the reaction mixture was diluted with 1.5 liters of ethyl acetate, and the dilute solution was washed with water and dried over anhydrous magnesium sulfate. The solvent was removed by distillation under reduced pressure, to give 87.6 g of the title compound, as a powder.

後処理

  1. washthe dilute solution was washed with water
  2. dry with materialdried over anhydrous magnesium sulfate
  3. customThe solvent was removed by distillation under reduced pressure

出典と根拠

ORDレコード
ord-38f9856a613b4dd5960f1c0a62f1d5f4
出典データセット
uspto-grants-1998_01
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US05712267

反応ノート

読み込み中…

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