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Hydrochloric Acid → Ethyl 2-({2-[(1R,2S,5S)-2-(acetyloxy)-5-formylcyclopentyl]ethyl}thio)-1,3-thiazole-4-carboxylate

HRID 1960056
ノート
印刷プレビュー

反応式

HRID 1960056 の反応式
C(N(CC)CC)C.[S].[C:9]([O:12][C@H:13]1[CH2:17][CH2:16][C@H:15]([CH2:18][OH:19])[C@H:14]1[CH2:20][CH2:21][S:22][C:23]1[S:24][CH:25]=[C:26]([C:28]([O:30][CH2:31][CH3:32])=[O:29])[N:27]=1)(=[O:11])[CH3:10].Cl>C(OCC)(=O)C.CS(C)=O>[C:9]([O:12][C@H:13]1[CH2:17][CH2:16][C@H:15]([CH:18]=[O:19])[C@H:14]1[CH2:20][CH2:21][S:22][C:23]1[S:24][CH:25]=[C:26]([C:28]([O:30][CH2:31][CH3:32])=[O:29])[N:27]=1)(=[O:11])[CH3:10]
参加物実験手順後処理出典と根拠反応ノート

参加物

7

反応物 4

HCID 313Hydrochloric AcidHCID 8471TriethylamineHCID 5362487SulfurHCID 15979344Ethyl 2-({2-[(1R,2S,5S)-2-(acetyloxy)-5-(hydroxymethyl)cyclopentyl]ethyl}thio)-1,3-thiazole-4-carboxylate

生成物 1

HCID 86634273Ethyl 2-({2-[(1R,2S,5S)-2-(acetyloxy)-5-formylcyclopentyl]ethyl}thio)-1,3-thiazole-4-carboxylate収率 99.9%

試薬・触媒・溶媒 2

HCID 679Dimethyl Sulfoxide溶媒HCID 8857Ethyl Acetate溶媒

実験手順

Triethylamine (3.7 mL) and sulfur trioxidepyridine complex (1.7 g) were added to a dimethyl sulfoxide (4.0 mL)/ethyl acetate (8.0 mL) solution of ethyl 2-({2-[(1R,2S,5S)-2-(acetyloxy)-5-(hydroxymethyl)cyclopentyl]ethyl}thio)-1,3-thiazole-4-carboxylate (500 mg) (see compound 7 described in the pamphlet of International Publication No. WO 2006/129788) at 10° C., followed by stirring at room temperature for 30 min. To the reaction solution, 1 N hydrochloric acid was added, followed by extraction with ethyl acetate. The organic layer was washed with water and saturated brine; dried with anhydrous sodium sulfate; and concentrated to obtain the title compound (497 mg) having the following physical properties:

後処理

  1. customat 10° C.
  2. extractionfollowed by extraction with ethyl acetate
  3. washThe organic layer was washed with water and saturated brine
  4. dry with materialdried with anhydrous sodium sulfate
  5. concentrationand concentrated

出典と根拠

ORDレコード
ord-4f42aaeb6e73450299016bb719c1eb41
出典データセット
uspto-grants-2013_04
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08410281B2

反応ノート

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