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Lithium hydroxide, monohydrate → (3-{[6-(5-Methyl-3-phenyl-isoxazol-4-ylmethoxy)-pyridine-3-carbonyl]-amino}-piperidin-1-yl)-acetic acid

HRID 83148
ノート
印刷プレビュー

反応式

HRID 83148 の反応式
C([O:3][C:4](=[O:35])[CH2:5][N:6]1[CH2:11][CH2:10][CH2:9][CH:8]([NH:12][C:13]([C:15]2[CH:16]=[N:17][C:18]([O:21][CH2:22][C:23]3[C:24]([C:29]4[CH:34]=[CH:33][CH:32]=[CH:31][CH:30]=4)=[N:25][O:26][C:27]=3[CH3:28])=[CH:19][CH:20]=2)=[O:14])[CH2:7]1)C.O.[OH-].[Li+]>C1COCC1.O.CO.Cl>[CH3:28][C:27]1[O:26][N:25]=[C:24]([C:29]2[CH:34]=[CH:33][CH:32]=[CH:31][CH:30]=2)[C:23]=1[CH2:22][O:21][C:18]1[N:17]=[CH:16][C:15]([C:13]([NH:12][CH:8]2[CH2:9][CH2:10][CH2:11][N:6]([CH2:5][C:4]([OH:35])=[O:3])[CH2:7]2)=[O:14])=[CH:20][CH:19]=1
参加物実験手順後処理出典と根拠反応ノート

参加物

8

反応物 2

HCID 168937Lithium hydroxide, monohydrateHCID 68445346(3-{[6-(5-Methyl-3-phenyl-isoxazol-4-ylmethoxy)-pyridine-3-carbonyl]-amino}-piperidin-1-yl)-acetic acid ethyl ester

生成物 1

HCID 57520097(3-{[6-(5-Methyl-3-phenyl-isoxazol-4-ylmethoxy)-pyridine-3-carbonyl]-amino}-piperidin-1-yl)-acetic acid収率 84.8%

試薬・触媒・溶媒 5

HCID 313Hydrochloric Acid触媒
HCID 887
Methanol
触媒
HCID 887Methanol溶媒
HCID 962Water溶媒
HCID 8028Tetrahydrofuran溶媒

実験手順

To a solution of (3-{[6-(5-methyl-3-phenyl-isoxazol-4-ylmethoxy)-pyridine-3-carbonyl]-amino}-piperidin-1-yl)-acetic acid ethyl ester (538 mg, 1.1 mmol) in THF (5 mL) was added a solution of lithium hydroxide monohydrate (94 mg, 2.2 mmol) in water (5 mL) and methanol (1 mL) added and the resulting mixture stirred at room temperature overnight. The mixture was acidified to pH 4 with HCl (25%, 3 drops) and methanol (2 drops) added. A gum began to form and the mixture was cooled at 0° C. for 1.5 h and then the aqueous layer decanted off. Trituration with diethylether and hexane afforded the title compound (420 mg, 83%) which was obtained as an off white solid. MS: m/e=449.0 [M−H].

後処理

  1. additionadded
  2. additionadded
  3. customto form
  4. temperaturethe mixture was cooled at 0° C. for 1.5 h
  5. customthe aqueous layer decanted off

出典と根拠

ORDレコード
ord-bf94ae6552c74d1c82924aaa06d172c4
出典データセット
uspto-grants-2014_09
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08846719B2

反応ノート

読み込み中…

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