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Tetrahydrofuran → 4-(4-But-2-ynyloxy-phenylsulfanylmethyl)-piperidine-1,4-dicarboxylic acid mono-tert-butyl ester

HRID 353552
ノート
印刷プレビュー

反応式

HRID 353552 の反応式
[CH2:1]([O:5][C:6]1[CH:11]=[CH:10][C:9]([S:12][CH2:13][C:14]2([C:27]([O:29]CC)=[O:28])[CH2:19][CH2:18][N:17]([C:20]([O:22][C:23]([CH3:26])([CH3:25])[CH3:24])=[O:21])[CH2:16][CH2:15]2)=[CH:8][CH:7]=1)[C:2]#[C:3][CH3:4].[OH-].[Na+].C1COCC1>CO>[C:23]([O:22][C:20]([N:17]1[CH2:18][CH2:19][C:14]([CH2:13][S:12][C:9]2[CH:10]=[CH:11][C:6]([O:5][CH2:1][C:2]#[C:3][CH3:4])=[CH:7][CH:8]=2)([C:27]([OH:29])=[O:28])[CH2:15][CH2:16]1)=[O:21])([CH3:26])([CH3:25])[CH3:24]
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 3

HCID 8028TetrahydrofuranHCID 14798Sodium HydroxideHCID 697267481-(Tert-butyl) 4-ethyl 4-({[4-(2-butynyloxy)phenyl]sulfanyl}methyl)-1,4-piperidinedicarboxylate

生成物 1

HCID 542579274-(4-But-2-ynyloxy-phenylsulfanylmethyl)-piperidine-1,4-dicarboxylic acid mono-tert-butyl ester収率 893.4%

試薬・触媒・溶媒 1

HCID 887Methanol
溶媒

実験手順

A mixture of 0.288 g (0.0643 mmol) of 1-(tert-butyl) 4-ethyl 4-({[4-(2-butynyloxy) phenyl]sulfanyl}methyl)-1,4-piperidinedicarboxylate, 3.25 mL of 1N NaOH 3.25 mL of THF and 3.25 mL of MeOH was heated to reflux for 3 h. The organics were removed and the residue was diluted with H2O, acidified and extracted with EtOAC. The organics were washed with H2O, brine, dried over mgSO4, filtered and concentrated in vacuo to provide 0.241 g (89%) of the desired product as an off white gum. Electrospray Mass Spec: 464.3 (M+FA−H)+.

後処理

  1. temperaturewas heated
  2. temperatureto reflux for 3 h
  3. customThe organics were removed
  4. additionthe residue was diluted with H2O
  5. extractionextracted with EtOAC
  6. washThe organics were washed with H2O, brine
  7. customdried over mgSO4
  8. filtrationfiltered
  9. concentrationconcentrated in vacuo

出典と根拠

ORDレコード
ord-5cab747bb19c4646b5d736881b7e6929
出典データセット
uspto-grants-2004_06
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US06753337B2

反応ノート

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