Hydrofluoric Acid → (R,E)-Methyl 7-[4-(4-fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl]-3-hydroxy-5-oxohept-6-enoate

HRID 257271ノート

反応式

HRID 257271 の反応式
[F:1][C:2]1[CH:7]=[CH:6][C:5]([C:8]2[C:13](/[CH:14]=[CH:15]/[C:16](=[O:32])[CH2:17][C@@H:18]([O:24][Si](C(C)(C)C)(C)C)[CH2:19][C:20]([O:22][CH3:23])=[O:21])=[C:12]([CH:33]([CH3:35])[CH3:34])[N:11]=[C:10]([N:36]([CH3:41])[S:37]([CH3:40])(=[O:39])=[O:38])[N:9]=2)=[CH:4][CH:3]=1.F.C(=O)(O)[O-].[Na+]>C(#N)C>[F:1][C:2]1[CH:7]=[CH:6][C:5]([C:8]2[C:13](/[CH:14]=[CH:15]/[C:16](=[O:32])[CH2:17][C@@H:18]([OH:24])[CH2:19][C:20]([O:22][CH3:23])=[O:21])=[C:12]([CH:33]([CH3:35])[CH3:34])[N:11]=[C:10]([N:36]([CH3:41])[S:37]([CH3:40])(=[O:39])=[O:38])[N:9]=2)=[CH:4][CH:3]=1

参加物

5

反応物 3

HCID 14917Hydrofluoric AcidHCID 516892Sodium BicarbonateHCID 22848604(R,E)-Methyl 3-[(tert-butyldimethylsilyl)oxy]-7-[4-(4-fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl]-5-oxohept-6-enoate

生成物 1

HCID 22848603(R,E)-Methyl 7-[4-(4-fluorophenyl)-6-isopropyl-2-(N-methylmethylsulfonamido)pyrimidin-5-yl]-3-hydroxy-5-oxohept-6-enoate収率 100.1%

試薬・触媒・溶媒 1

HCID 6342Acetonitrile溶媒2 回

実験手順

To a solution of 16 g of the compound 6 in 100 ml of acetonitrile is added dropwise a solution of 48% hydrogen flouride in 400 ml of acetonitrile (1:19) under ice-cooling, and the mixture is warmed to room temperature and stirred for 1.5 hours. The reaction mixture is neutralized with sodium bicarbonate and extracted with ether. The organic layer is washed with sodium chloride, dried and evaporated under reduced pressure to distil ether to give 13 g (Yield: 100%) of methyl 7-[4-(4-fluorophenyl)-6-isopropyl-2-(N-methyl-N-methylsulfonylamino)pyrimidin-5-yl]-(3R)-3-hydroxy-5-oxo-(E)-6-heptenate 7 as syrup. ##STR12##

後処理

  1. temperaturecooling
  2. extractionextracted with ether
  3. washThe organic layer is washed with sodium chloride
  4. customdried
  5. customevaporated under reduced pressure
  6. customto distil ether

出典と根拠

ORDレコード
ord-44c48a9dbde84ab08b94583d9356dd08
出典データセット
uspto-grants-1993_11
特許番号
US05260440

反応ノート

読み込み中…