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Dimethyl Sulfoxide → 2-Acetyl-N-{1-[3-(4-methylbenzyl)-5-oxo-4,5-dihydro-1,2,4-triazin-6-yl]ethyl}-5-phenylpentanamide

HRID 1368300
ノート
印刷プレビュー

反応式

HRID 1368300 の反応式
C(Cl)(=O)C(Cl)=O.CS(C)=O.[OH:11][CH:12]([CH:14]([CH2:35][CH2:36][CH2:37][C:38]1[CH:43]=[CH:42][CH:41]=[CH:40][CH:39]=1)[C:15]([NH:17][CH:18]([C:20]1[C:21](=[O:34])[NH:22][C:23]([CH2:26][C:27]2[CH:32]=[CH:31][C:30]([CH3:33])=[CH:29][CH:28]=2)=[N:24][N:25]=1)[CH3:19])=[O:16])[CH3:13].C(N(CC)CC)C>ClCCl>[C:12]([CH:14]([CH2:35][CH2:36][CH2:37][C:38]1[CH:43]=[CH:42][CH:41]=[CH:40][CH:39]=1)[C:15]([NH:17][CH:18]([C:20]1[C:21](=[O:34])[NH:22][C:23]([CH2:26][C:27]2[CH:28]=[CH:29][C:30]([CH3:33])=[CH:31][CH:32]=2)=[N:24][N:25]=1)[CH3:19])=[O:16])(=[O:11])[CH3:13]
参加物反応条件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 679Dimethyl SulfoxideHCID 8471TriethylamineHCID 65578Oxalyl chlorideHCID 1358247302-(1-hydroxyethyl)-N-{1-[3-(4-methylbenzyl)-5-oxo-4,5-dihydro-1,2,4-triazin-6-yl]ethyl}-5-phenylpentanamide

生成物 1

HCID 1358247172-Acetyl-N-{1-[3-(4-methylbenzyl)-5-oxo-4,5-dihydro-1,2,4-triazin-6-yl]ethyl}-5-phenylpentanamide

試薬・触媒・溶媒 1

HCID 6344Dichloromethane溶媒

反応条件

温度
-70 °C

実験手順

270 mg (2.14 mmol) of oxalyl chloride in 10 ml of dichloromethane are treated dropwise at −70° C. with 360 mg (4.64 mmol) of dimethyl sulphoxide. The mixture is stirred at −70° C. for 30 min, then 800 mg (1.78 mmol) of 2-(1-hydroxyethyl)-N-{1-[3-(4-methylbenzyl)-5-oxo-4,5-dihydro-1,2,4-triazin-6-yl]ethyl}-5-phenylpentanamide are added. After a further 30 min, during which the temperature in the batch rises to about −60° C., 900 mg (8.92 mmol) of triethylamine are added and the cooling bath is then removed. If the batch temperature has warmed almost to room temperature, 10 ml of water are added and, after stirring briefly, the phases are separated. The dried organic phase is chromatographed in dichloromethane/methanol 50/1.

後処理

  1. waitAfter a further 30 min
  2. customrises to about −60° C.
  3. customthe cooling bath is then removed
  4. temperatureIf the batch temperature has warmed almost to room temperature
  5. addition10 ml of water are added
  6. stirringafter stirring briefly
  7. customthe phases are separated
  8. customThe dried organic phase is chromatographed in dichloromethane/methanol 50/1

出典と根拠

ORDレコード
ord-d5acf0eceffe42a29c487951eba8d915
出典データセット
uspto-grants-2003_06
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US06573263B2

反応ノート

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