Hydrochloric Acid → HCID 67028844、化合物

HRID 626641ノート

反応式

HRID 626641 の反応式
[CH2:1]([C:4]1[CH:9]=[CH:8][C:7]([CH2:10][C@@H:11]([NH:16][C:17]([O:19][C:20]([CH3:23])([CH3:22])[CH3:21])=[O:18])[C:12]([O:14]C)=[O:13])=[CH:6][CH:5]=1)[CH:2]=[CH2:3].[OH-].[Li+].Cl>O1CCOCC1.O>[CH2:1]([C:4]1[CH:5]=[CH:6][C:7]([CH2:10][C@@H:11]([NH:16][C:17]([O:19][C:20]([CH3:23])([CH3:22])[CH3:21])=[O:18])[C:12]([OH:14])=[O:13])=[CH:8][CH:9]=1)[CH:2]=[CH2:3]

参加物

5

反応物 3

HCID 313Hydrochloric AcidHCID 3939Lithium HydroxideHCID 67028712HCID 67028712、化合物

生成物 1

HCID 67028844HCID 67028844、化合物収率 97.8%

試薬・触媒・溶媒 1

HCID 218864351,4-Dioxane--water (1/1)溶媒

実験手順

A solution of 2.03 g (6.36 mmol) of methyl(R)-3-(4-allylphenyl)-2-tert-butoxycarbonylaminopropionate (prepared as in Synlett, 2005, 12, 1877-1880) in 20 ml of dioxane/water (1:1, v/v) and 0.30 g (12.71 mmol) of lithium hydroxide was stirred at RT for 2 h and then neutralized with 1N hydrochloric acid. The reaction mixture was extracted with ethyl acetate, and the organic phase was dried over Na2SO4, filtered and concentrated. 1.90 g of the title compound were obtained.

後処理

  1. extractionThe reaction mixture was extracted with ethyl acetate
  2. dry with materialthe organic phase was dried over Na2SO4
  3. filtrationfiltered
  4. concentrationconcentrated

出典と根拠

ORDレコード
ord-42258be523cb459e84caa0ffca8d4a43
出典データセット
uspto-grants-2016_04
特許番号
US09309207B2

反応ノート

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