Sodium Bicarbonate → (4-Bromo-2-nitrophenyl)methanol

HRID 1360306ノート

反応式

HRID 1360306 の反応式
[Br:1][C:2]1[CH:10]=[CH:9][C:5]([C:6](O)=[O:7])=[C:4]([N+:11]([O-:13])=[O:12])[CH:3]=1.C(=O)([O-])O.[Na+]>O1CCCC1>[Br:1][C:2]1[CH:10]=[CH:9][C:5]([CH2:6][OH:7])=[C:4]([N+:11]([O-:13])=[O:12])[CH:3]=1

参加物

4

反応物 2

HCID 516892Sodium BicarbonateHCID 37744674-Bromo-2-nitrobenzoic acid

生成物 1

HCID 15906236(4-Bromo-2-nitrophenyl)methanol収率 98.1%

試薬・触媒・溶媒 1

HCID 8028Tetrahydrofuran溶媒

実験手順

Borane tetrahydrofuran complex solution (1 M in tetrahydrofuran, 13 mL, 13 mmol) was added over 5 min to a solution of 4-bromo-2-nitrobenzoic acid (2.00 g, 8.13 mmol) at room temperature, then after 72 h the reaction mixture was carefully poured upon sat. aq. sodium hydrogencarbonate solution and extracted with ethyl acetate. The organic layer was dried (MgSO4) and evaporated to produce (4-bromo-2-nitro-phenyl)-methanol (1.85 g, 96%). White solid, 1H-NMR (300 MHz, CDCl3): 8.25 (d, J=1.8, 1H), 7.80 (dd, J=8.1, 1.8, 1H), 7.67 (d, J=8.1, 1H), 4.96 (d, J=6.3, 2H), 2.37 (t, J=6.3, 1H).

後処理

  1. extractionextracted with ethyl acetate
  2. dry with materialThe organic layer was dried (MgSO4)
  3. customevaporated

出典と根拠

ORDレコード
ord-375899a290a24f028a3861ec435c9693
出典データセット
uspto-grants-2011_02
特許番号
US07879845B2

反応ノート

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