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Water → 3-(Benzyloxy)-10,10-dimethyl-4-oxo-6,7,8,10-tetrahydro-4H-pyrimido[2,1-c][1,4]oxazepine-2-carboxylic acid

HRID 1788117
ノート
印刷プレビュー

反応式

HRID 1788117 の反応式
Cl[CH2:2][CH2:3][CH2:4][O:5][C:6]([C:9]1[NH:10][C:11](=[O:21])[C:12]([OH:20])=[C:13]([C:15]([O:17]CC)=[O:16])[N:14]=1)([CH3:8])[CH3:7].C(=O)([O-])[O-].[K+].[K+].[CH2:28](Br)[C:29]1[CH:34]=[CH:33][CH:32]=[CH:31][CH:30]=1.O>CN(C)C=O>[CH2:28]([O:20][C:12]1[C:11](=[O:21])[N:10]2[C:9]([C:6]([CH3:7])([CH3:8])[O:5][CH2:4][CH2:3][CH2:2]2)=[N:14][C:13]=1[C:15]([OH:17])=[O:16])[C:29]1[CH:34]=[CH:33][CH:32]=[CH:31][CH:30]=1
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 962WaterHCID 7498Benzyl BromideHCID 11430Potassium CarbonateHCID 135848641Ethyl 2-(2-(3-chloropropoxy)propan-2-yl)-5-hydroxy-6-oxo-1,6-dihydropyrimidine-4-carboxylate

生成物 1

HCID 210698553-(Benzyloxy)-10,10-dimethyl-4-oxo-6,7,8,10-tetrahydro-4H-pyrimido[2,1-c][1,4]oxazepine-2-carboxylic acid収率 135.7%

試薬・触媒・溶媒 1

HCID 6228Dimethylformamide溶媒

反応条件

温度
60 °C

実験手順

A suspension of intermediate 33, ethyl 2-(2-(3-chloropropoxy)propan-2-yl)-5-hydroxy-6-oxo-1,6-dihydropyrimidine-4-carboxylate, (0.205 g, 0.64 mmol) and anhydrous potassium carbonate (0.361 g, 2.6 mmol) in anhydrous dimethylformamide (4 mL) was stirred at 60° C. for 5 hours. The reaction mixture was treated with benzyl bromide (0.122 g, 0.71 mmol) and stirred for 16 hours. Following this, 2 mL of H2O was added and the mixture stirred for an additional 24 hours. Solvent was removed by rotary evaporator and the resulting residue suspended in 0.5 N hydrochloric acid (16 mL). The crude product was extracted with ethyl acetate (2×15 mL), then dried (sodium sulfate), filtered, and concentrated to dryness by rotary evaporator to give 0.299 g (Yield >100%) of the title compound as a solid. LC/MS [M+H]+=345.21.

後処理

  1. stirringstirred for 16 hours
  2. additionwas added
  3. stirringthe mixture stirred for an additional 24 hours
  4. customSolvent was removed by rotary evaporator
  5. extractionThe crude product was extracted with ethyl acetate (2×15 mL)
  6. dry with materialdried (sodium sulfate)
  7. filtrationfiltered
  8. concentrationconcentrated to dryness by rotary evaporator

出典と根拠

ORDレコード
ord-ab0304298cbf48caa8874bbebe443ba8
出典データセット
uspto-grants-2009_03
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07511037B2

反応ノート

読み込み中…

このページの内容参加物反応条件実験手順後処理出典と根拠反応ノート