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Sodium Hydroxide → 2-[N-(5-Bromo-2-hydroxybenzyl)-N-ethylamino]pyridine-5-carboxylic Acid

HRID 427743
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HRID 427743 반응식
[Br:1][C:2]1[CH:3]=[CH:4][C:5]([OH:22])=[C:6]([CH:21]=1)[CH2:7][N:8]([C:11]1[CH:16]=[CH:15][C:14]([C:17]([O:19]C)=[O:18])=[CH:13][N:12]=1)[CH2:9][CH3:10].[OH-].[Na+]>C1COCC1.CO>[Br:1][C:2]1[CH:3]=[CH:4][C:5]([OH:22])=[C:6]([CH:21]=1)[CH2:7][N:8]([C:11]1[CH:16]=[CH:15][C:14]([C:17]([OH:19])=[O:18])=[CH:13][N:12]=1)[CH2:9][CH3:10]
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참가 물질

5

반응물 2

HCID 14798Sodium HydroxideHCID 11728230methyl 2-[N-(2-hydroxy-5-bromobenzyl)-N-ethylamino]pyridine-5-carboxylate

생성물 1

HCID 226225362-[N-(5-Bromo-2-hydroxybenzyl)-N-ethylamino]pyridine-5-carboxylic Acid수율 92%

시약·촉매·용매 2

HCID 887Methanol용매HCID 8028Tetrahydrofuran용매

반응 조건

온도
40 °C

실험 절차

A solution of methyl 2-[N-(5-bromo-2-hydroxybenzyl)-N-ethylamino]pyridine-5-carboxylate (see reference example 6) (10.2 g, 0.55 mmol) in THF (3 ml) and methanol (5 ml) was treated with 1N aqueous sodium hydroxide solution (2.7 ml) and was heated to 40° C. for 24 hours. The solvents were evaporated at reduced pressure, the residue treated with 1N acetic acid (2.7 ml) and the precipitate filtered, washed with water and air dried to give the title compound (0.17 g, 92%).

후처리

  1. customThe solvents were evaporated at reduced pressure
  2. additionthe residue treated with 1N acetic acid (2.7 ml)
  3. filtrationthe precipitate filtered
  4. washwashed with water and air
  5. customdried

출처 및 근거

ORD 기록
ord-d1b03431f5ca4525bfe5da543312b6bf
출처 데이터셋
uspto-grants-2001_11
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US06313148B1

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