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Ethanol → Methyl 3-(4-{[4-(hydroxymethyl)phenoxy]methyl}-5-methyl-1,3-oxazol-2-yl)benzoate

HRID 2221585
ノート
印刷プレビュー

反応式

HRID 2221585 の反応式
[CH:1]([C:3]1[CH:26]=[CH:25][C:6]([O:7][CH2:8][C:9]2[N:10]=[C:11]([C:15]3[CH:16]=[C:17]([CH:22]=[CH:23][CH:24]=3)[C:18]([O:20][CH3:21])=[O:19])[O:12][C:13]=2[CH3:14])=[CH:5][CH:4]=1)=[O:2].C(O)C.[BH4-].[Na+].O>O1CCCC1>[OH:2][CH2:1][C:3]1[CH:4]=[CH:5][C:6]([O:7][CH2:8][C:9]2[N:10]=[C:11]([C:15]3[CH:16]=[C:17]([CH:22]=[CH:23][CH:24]=3)[C:18]([O:20][CH3:21])=[O:19])[O:12][C:13]=2[CH3:14])=[CH:25][CH:26]=1
参加物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 702EthanolHCID 962WaterHCID 4311764Sodium borohydrideHCID 86605721Methyl 3-{4-[(4-formylphenoxy)methyl]-5-methyl-1,3-oxazol-2-yl}benzoate

生成物 1

HCID 23076400Methyl 3-(4-{[4-(hydroxymethyl)phenoxy]methyl}-5-methyl-1,3-oxazol-2-yl)benzoate収率 91%

試薬・触媒・溶媒 1

HCID 8028
Tetrahydrofuran
溶媒

実験手順

To a solution of methyl 3-{4-[(4-formylphenoxy)methyl]-5-methyl-1,3-oxazol-2-yl}benzoate (2.12 g) in tetrahydrofuran (30 mL)-ethanol (5 mL) was gradually added sodium borohydride (0.23 g) at room temperature. After stirring the reaction mixture at room temperature for 1 hr, water was added, and the mixture was extracted with ethyl acetate. The organic layer was washed with saturated brine, dried over anhydrous magnesium sulfate and concentrated to give methyl 3-(4-{[4-(hydroxymethyl)phenoxy]methyl}-5-methyl-1,3-oxazol-2-yl)benzoate as colorless crystals (1.93 g, yield 91%). Recrystallization from ethyl acetate-hexane gave colorless prism crystals. melting point: 105-106° C.

後処理

  1. customat room temperature
  2. extractionthe mixture was extracted with ethyl acetate
  3. washThe organic layer was washed with saturated brine
  4. dry with materialdried over anhydrous magnesium sulfate
  5. concentrationconcentrated

出典と根拠

ORDレコード
ord-af806c8bea394b558340f8c193c6cd2e
出典データセット
uspto-grants-2008_05
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07368578B2

反応ノート

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