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Hydrochloric Acid → 1,2,3,4-Tetrahydro-6-methyl-4-(3-nitrophenyl)-2-oxo-3-[[(phenylmethyl)amino]carbonyl]-5-pyrimidinecarboxylic acid, 1-methylethyl ester

HRID 1722402
ノート
印刷プレビュー

反応式

HRID 1722402 の反応式
C[O:2][C:3]1[N:4]([C:25]([NH:27][CH2:28][C:29]2[CH:34]=[CH:33][CH:32]=[CH:31][CH:30]=2)=[O:26])[CH:5]([C:16]2[CH:21]=[CH:20][CH:19]=[C:18]([N+:22]([O-:24])=[O:23])[CH:17]=2)[C:6]([C:10]([O:12][CH:13]([CH3:15])[CH3:14])=[O:11])=[C:7]([CH3:9])[N:8]=1.CO.Cl>O1CCCC1>[CH3:9][C:7]1[NH:8][C:3](=[O:2])[N:4]([C:25]([NH:27][CH2:28][C:29]2[CH:30]=[CH:31][CH:32]=[CH:33][CH:34]=2)=[O:26])[CH:5]([C:16]2[CH:21]=[CH:20][CH:19]=[C:18]([N+:22]([O-:24])=[O:23])[CH:17]=2)[C:6]=1[C:10]([O:12][CH:13]([CH3:15])[CH3:14])=[O:11]
参加物実験手順後処理出典と根拠反応ノート

参加物

5

反応物 3

HCID 313Hydrochloric AcidHCID 887MethanolHCID 148551061,6-Dihydro-2-methoxy-4-methyl-6-(3-nitrophenyl)-1-[[(phenylmethyl)amino]carbonyl]-5-pyrimidinecarboxylic acid, 1-methylethyl ester

生成物 1

HCID 148017361,2,3,4-Tetrahydro-6-methyl-4-(3-nitrophenyl)-2-oxo-3-[[(phenylmethyl)amino]carbonyl]-5-pyrimidinecarboxylic acid, 1-methylethyl ester収率 63%

試薬・触媒・溶媒 1

HCID 8028
Tetrahydrofuran
溶媒

実験手順

A solution of 1,6-dihydro-2-methoxy-4-methyl-6-(3-nitrophenyl)-1-[[(phenylmethyl)amino]carbonyl]-5-pyrimidinecarboxylic acid, 1-methylethyl ester (3.00 g, 6.45 mmol) in tetrahydrofuran (50 ml)/methanol (25 ml) was treated with 1 N hydrochloric acid (6.0 ml, pH 1) and stirred at room temperature for 1 hour. The reaction was quenched with saturated sodium bicarbonate and partially evaporated. The residue was partitioned between chloroform and water. The organic phase was washed with saturated sodium chloride, dried (magnesium sulfate) and evaporated. The residue was crystallized from dichloromethane/isopropyl ether. The solids which precipitated were recrystallized to give the title compound as a colorless electrostatic solid (1.84 g), melting point 184°-185° C. TLC (5% ethyl acetate/dichloromethane) single spot, Rf =0.39.

後処理

  1. customThe reaction was quenched with saturated sodium bicarbonate
  2. custompartially evaporated
  3. customThe residue was partitioned between chloroform and water
  4. washThe organic phase was washed with saturated sodium chloride
  5. dry with materialdried (magnesium sulfate)
  6. customevaporated
  7. customThe residue was crystallized from dichloromethane/isopropyl ether
  8. customThe solids which precipitated
  9. customwere recrystallized

出典と根拠

ORDレコード
ord-9e4f5aab06cb41e89e2f2709beac330e
出典データセット
uspto-grants-1989_08
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US04855301

反応ノート

読み込み中…

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