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4-{3-[3-[3-(1-Hydroxycyclohexyl)-2-propynyl]-4-oxo-2-thiazolidinyl]propyl}benzoic acid → 4-{3-[3-[3-(1-Hydroxycyclohexyl)-(Z)-2-propenyl]-4-oxo-2-thiazolidinyl]propyl}benzoic Acid

HRID 28218
ノート
印刷プレビュー

反応式

HRID 28218 の反応式
[OH:1][C:2]1([C:8]#[C:9][CH2:10][N:11]2[C:15](=[O:16])[CH2:14][S:13][CH:12]2[CH2:17][CH2:18][CH2:19][C:20]2[CH:28]=[CH:27][C:23]([C:24]([OH:26])=[O:25])=[CH:22][CH:21]=2)[CH2:7][CH2:6][CH2:5][CH2:4][CH2:3]1.[H][H]>C(OCC)(=O)C.[Pd]>[OH:1][C:2]1(/[CH:8]=[CH:9]\[CH2:10][N:11]2[C:15](=[O:16])[CH2:14][S:13][CH:12]2[CH2:17][CH2:18][CH2:19][C:20]2[CH:21]=[CH:22][C:23]([C:24]([OH:26])=[O:25])=[CH:27][CH:28]=2)[CH2:3][CH2:4][CH2:5][CH2:6][CH2:7]1
参加物実験手順後処理出典と根拠反応ノート

参加物

5

反応物 2

HCID 204459924-{3-[3-[3-(1-Hydroxycyclohexyl)-2-propynyl]-4-oxo-2-thiazolidinyl]propyl}benzoic acidHCID 178418361HCID 178418361、化合物

生成物 1

HCID 867372414-{3-[3-[3-(1-Hydroxycyclohexyl)-(Z)-2-propenyl]-4-oxo-2-thiazolidinyl]propyl}benzoic Acid

試薬・触媒・溶媒 2

HCID 23938Palladium触媒HCID 8857Ethyl Acetate溶媒

実験手順

4-{3-[3-[3-(1-Hydroxycyclohexyl)-2-propynyl]-4-oxo-2-thiazolidinyl]propyl}benzoic acid (4.0 g., 0.01 mole) is dissolved in ethyl acetate (50 ml.) and hydrogenated at 25° C. and one atmosphere pressure over 1.0 g. of a 5% palladium on charcoal catalyst. The theoretical amount (0.01 mole) of hydrogen is absorbed in 110 minutes. The catalyst is removed by filtration and the solvent evaporated. The residual oil is chromatographed on 60 g. of silica gel with elution by 2% methanol is chloroform. The chromatographed product crystallizes and is recrystallized from butyl chloride to yield 1.4 g. of the title product, m.p. 118°-120° C.; pmr (CDCl3) δ5.14 (1H, m, --CH2 --CH=), 5.60 (1H, d, ##STR46##

後処理

  1. customThe catalyst is removed by filtration
  2. customthe solvent evaporated
  3. customThe residual oil is chromatographed on 60 g
  4. washof silica gel with elution by 2% methanol
  5. customThe chromatographed product crystallizes
  6. customis recrystallized from butyl chloride
  7. customto yield 1.4 g

出典と根拠

ORDレコード
ord-41bb0dd0ecad4270963accd5a9391572
出典データセット
uspto-grants-1980_09
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US04225609

反応ノート

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