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Hydrochloric Acid → [1-methyl-3-[6-(5-methyl-2-phenyl-4-thiazolylmethoxy)-3-pyridylmethoxy]-1H-pyrazol-4-yl]acetic acid

HRID 1295310
ノート
印刷プレビュー

反応式

HRID 1295310 の反応式
[CH3:1][N:2]1[CH:6]=[C:5]([CH2:7][C:8]([O:10]C)=[O:9])[C:4]([O:12][CH2:13][C:14]2[CH:15]=[N:16][C:17]([O:20][CH2:21][C:22]3[N:23]=[C:24]([C:28]4[CH:33]=[CH:32][CH:31]=[CH:30][CH:29]=4)[S:25][C:26]=3[CH3:27])=[CH:18][CH:19]=2)=[N:3]1.[OH-].[Na+].O1CCCC1.Cl>C(O)C>[CH3:1][N:2]1[CH:6]=[C:5]([CH2:7][C:8]([OH:10])=[O:9])[C:4]([O:12][CH2:13][C:14]2[CH:15]=[N:16][C:17]([O:20][CH2:21][C:22]3[N:23]=[C:24]([C:28]4[CH:29]=[CH:30][CH:31]=[CH:32][CH:33]=4)[S:25][C:26]=3[CH3:27])=[CH:18][CH:19]=2)=[N:3]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 313Hydrochloric AcidHCID 8028TetrahydrofuranHCID 14798Sodium HydroxideHCID 86591679methyl [1-methyl-3-[6-(5-methyl-2-phenyl-4-thiazolylmethoxy)-3-pyridylmethoxy]-1H-pyrazol-4-yl]acetate

生成物 1

HCID 69426975[1-methyl-3-[6-(5-methyl-2-phenyl-4-thiazolylmethoxy)-3-pyridylmethoxy]-1H-pyrazol-4-yl]acetic acid収率 85.3%

試薬・触媒・溶媒 1

HCID 702Ethanol溶媒

実験手順

A mixture of methyl [1-methyl-3-[6-(5-methyl-2-phenyl-4-thiazolylmethoxy)-3-pyridylmethoxy]-1H-pyrazol-4-yl]acetate (497 mg), 1N aqueous sodium hydroxide solution (2 ml), tetrahydrofuran (4 ml) and ethanol (4 ml) was stirred at room temperature for 2 hrs. 1N Hydrochloric acid (2 ml) was added to the reaction mixture and the mixture was extracted with ethyl acetate. The ethyl acetate layer was washed with saturated brine, dried (MgSO4) and concentrated. The obtained colorless crystals were collected by filtration to give [1-methyl-3-[6-(5-methyl-2-phenyl-4-thiazolylmethoxy)-3-pyridylmethoxy]-1H-pyrazol-4-yl]acetic acid (411 mg, yield 85%), which was then recrystallized from ethanol-hexane. melting point: 140–141° C.

後処理

  1. extractionthe mixture was extracted with ethyl acetate
  2. washThe ethyl acetate layer was washed with saturated brine
  3. dry with materialdried (MgSO4)
  4. concentrationconcentrated
  5. filtrationThe obtained colorless crystals were collected by filtration

出典と根拠

ORDレコード
ord-0dc56348182e490fa1492fa42bed17cc
出典データセット
uspto-grants-2007_07
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US07241785B2

反応ノート

読み込み中…

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