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Hydrochloric Acid → 7-[3-(4-carboxy-phenyl)-1-pentyl-prop-2-ynyl]-4,4-dimethyl-3,4-dihydro-2H-quinoline-1-carboxylic acid tert-butyl ester

HRID 2415215
ノート
印刷プレビュー

反応式

HRID 2415215 の反応式
[C:1]([O:5][C:6]([N:8]1[C:17]2[C:12](=[CH:13][CH:14]=[C:15]([CH:18]([CH2:31][CH2:32][CH2:33][CH2:34][CH3:35])[C:19]#[C:20][C:21]3[CH:26]=[CH:25][C:24]([C:27]([O:29]C)=[O:28])=[CH:23][CH:22]=3)[CH:16]=2)[C:11]([CH3:37])([CH3:36])[CH2:10][CH2:9]1)=[O:7])([CH3:4])([CH3:3])[CH3:2].O.[OH-].[Li+].Cl>C1COCC1.CO.O>[C:1]([O:5][C:6]([N:8]1[C:17]2[C:12](=[CH:13][CH:14]=[C:15]([CH:18]([CH2:31][CH2:32][CH2:33][CH2:34][CH3:35])[C:19]#[C:20][C:21]3[CH:26]=[CH:25][C:24]([C:27]([OH:29])=[O:28])=[CH:23][CH:22]=3)[CH:16]=2)[C:11]([CH3:36])([CH3:37])[CH2:10][CH2:9]1)=[O:7])([CH3:4])([CH3:3])[CH3:2]
参加物反応条件実験手順後処理出典と根拠反応ノート

参加物

6

反応物 3

HCID 313Hydrochloric AcidHCID 168937Lithium hydroxide, monohydrateHCID 692158867-[3-(4-methoxycarbonyl-phenyl)-1-pentyl-prop-2-ynyl]-4,4-dimethyl-3,4-dihydro-2H-quinoline-1-carboxylic acid tert-butyl ester

生成物 1

HCID 692139537-[3-(4-carboxy-phenyl)-1-pentyl-prop-2-ynyl]-4,4-dimethyl-3,4-dihydro-2H-quinoline-1-carboxylic acid tert-butyl ester収率 87.5%

試薬・触媒・溶媒 2

HCID 962
Water
溶媒
2 回
HCID 21899815MeOH tetrahydrofuran溶媒

反応条件

温度
40 °C

実験手順

A solution of 7-[3-(4-methoxycarbonyl-phenyl)-1-pentyl-prop-2-ynyl]-4,4-dimethyl-3,4-dihydro-2H-quinoline-1-carboxylic acid tert-butyl ester (0.035 g, 0.07 mmole) in 5 mL of a 4:1 THF/methanol mixture was treated with a solution of 0.1 g of lithium hydroxide monohydrate in 2 mL of water and stirred at 40° C. for 2 hours. The mixture was diluted with 5 mL of water and the pH adjusted to 2 with 2N HCl solution. The mixture was extracted with three 10 mL portions of ethyl acetate. The combined organic extracts were dried over MgSO4, filtered and concentrated in vacuo to give 0.03 g of 7-[3-(4-carboxy-phenyl)-1-pentyl-prop-2-ynyl]-4,4-dimethyl-3,4-dihydro-2H-quinoline-1-carboxylic acid tert-butyl ester as a yellow oil

後処理

  1. extractionThe mixture was extracted with three 10 mL portions of ethyl acetate
  2. dry with materialThe combined organic extracts were dried over MgSO4
  3. filtrationfiltered
  4. concentrationconcentrated in vacuo

出典と根拠

ORDレコード
ord-97602948e6244fb1a67f646b8c05a903
出典データセット
uspto-grants-2004_11
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US06818652B2

反応ノート

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