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Trifluoroacetic acid → 9-(4-chlorothiazol-2-yl)-5-(3-fluorophenyl)-7-(hydroxymethyl)-1,3-dimethyl-8,9-dihydro-1H-pyrimido[4,5-a]pyrrolizine-2,4(3H,7H)-dione

HRID 2201262
ノート
印刷プレビュー

反応式

HRID 2201262 の反応式
FC(F)(F)C(O)=O.[Si]([O:15][CH2:16][CH:17]1[CH2:24][CH:23]([C:25]2[S:26][CH:27]=[C:28]([Cl:30])[N:29]=2)[C:22]2[N:18]1[C:19]([C:39]1[CH:44]=[CH:43][CH:42]=[C:41]([F:45])[CH:40]=1)=[C:20]1[C:34](=[O:35])[N:33]([CH3:36])[C:32](=[O:37])[N:31]([CH3:38])[C:21]1=2)(C(C)(C)C)(C)C>CO.O>[Cl:30][C:28]1[N:29]=[C:25]([CH:23]2[C:22]3[N:18]([C:19]([C:39]4[CH:44]=[CH:43][CH:42]=[C:41]([F:45])[CH:40]=4)=[C:20]4[C:34](=[O:35])[N:33]([CH3:36])[C:32](=[O:37])[N:31]([CH3:38])[C:21]4=3)[CH:17]([CH2:16][OH:15])[CH2:24]2)[S:26][CH:27]=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 6422Trifluoroacetic acid2 回HCID 867235027-(((tert-Butyldimethylsilyl)oxy)methyl)-9-(4-chlorothiazol-2-yl)-5-(3-fluorophenyl)-1,3-dimethyl-8,9-dihydro-1H-pyrimido[4,5-a]pyrrolizine-2,4(3H,7H)-dione

生成物 1

HCID 771076329-(4-chlorothiazol-2-yl)-5-(3-fluorophenyl)-7-(hydroxymethyl)-1,3-dimethyl-8,9-dihydro-1H-pyrimido[4,5-a]pyrrolizine-2,4(3H,7H)-dione

試薬・触媒・溶媒 2

HCID 887Methanol溶媒
HCID 962
Water
溶媒
2 回

実験手順

Trifluoroacetic acid (2 mL, 26.0 mmol) was added to a solution of 7-(((tert-butyldimethylsilyl)oxy)methyl)-9-(4-chlorothiazol-2-yl)-5-(3-fluorophenyl)-1,3-dimethyl-8,9-dihydro-1H-pyrimido[4,5-a]pyrrolizine-2,4(3H,7H)-dione (570 mg, 0.991 mmol) in methanol (20 mL) and water (3 mL). The mixture stirred at room temperature 20 mins. Further portions of water (1 mL) and trifluoroacetic acid (1 mL) were added and the mixture stirred for a further 3 hours. The reaction was quenched with saturated NaHCO3(aq) and extracted with chloroform (3×). The combined organic extracts were passed through a hydrophobic frit and evaporated under vacuum. Purification by chromatography on silica, eluting with 0-100% EtOAc/hexane afforded the title compounds as a mixture of diastereomers.

後処理

  1. stirringthe mixture stirred for a further 3 hours
  2. customThe reaction was quenched with saturated NaHCO3(aq)
  3. extractionextracted with chloroform (3×)
  4. customevaporated under vacuum
  5. customPurification by chromatography on silica
  6. washeluting with 0-100% EtOAc/hexane

出典と根拠

ORDレコード
ord-2be1fd51d0eb446d9e04afea55e85d65
出典データセット
uspto-grants-2016_06
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US09359381B2

反応ノート

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