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Water → Methyl 6'-Desmethyl-4'-tosylmycophenolate

HRID 742349
ノート
印刷プレビュー

反応式

HRID 742349 の反応式
[OH:1][C:2]1[C:10]([CH3:11])=[C:9]2[C:5]([C:6](=[O:12])[O:7][CH2:8]2)=[C:4]([O:13][S:14]([C:17]2[CH:22]=[CH:21][C:20]([CH3:23])=[CH:19][CH:18]=2)(=[O:16])=[O:15])[C:3]=1[CH2:24][CH:25]=[C:26]([CH3:32])[CH2:27][CH2:28][C:29]([OH:31])=[O:30].[C:33]1(C)C=CC(S(O)(=O)=O)=CC=1.O.C(OCC)(=O)C>CO>[OH:1][C:2]1[C:10]([CH3:11])=[C:9]2[C:5]([C:6](=[O:12])[O:7][CH2:8]2)=[C:4]([O:13][S:14]([C:17]2[CH:18]=[CH:19][C:20]([CH3:23])=[CH:21][CH:22]=2)(=[O:16])=[O:15])[C:3]=1[CH2:24]/[CH:25]=[C:26](\[CH3:32])/[CH2:27][CH2:28][C:29]([O:31][CH3:33])=[O:30]
参加物実験手順後処理出典と根拠反応ノート

参加物

6

反応物 4

HCID 962WaterHCID 6101p-Toluenesulfonic acidHCID 8857Ethyl AcetateHCID 536610776-(1,3-Dihydro-6-hydroxy-7-methyl-3-oxo-4-p-toluenesulfonyloxyisobenzofuran-5-yl)-4-methyl-4-hexenoic acid

生成物 1

HCID 10672181Methyl 6'-Desmethyl-4'-tosylmycophenolate

試薬・触媒・溶媒 1

HCID 887
Methanol
溶媒

実験手順

A solution of (E) 6-(1,3-dihydro-6-hydroxy-7-methyl-3-oxo-4-p-toluenesulfonyloxyisobenzofuran-5-yl)-4-methyl-4-hexenoic acid (23 g) and p-toluenesulfonic acid (0.8 g) in methanol (150 ml) was stirred for 18 hours then added to water and ethyl acetate. The organic layer was dried and evaporated and the residue was chromatographed on silica gel, eluting with hexane:ethyl acetate: methanol 40:58:2, to afford methyl (E) 6-(1,3-dihydro-6-hydroxy-7-methyl-3-oxo-4-p-toluenesulfonyloxyisobenzofuran-5-yl)-4-methyl-4-hexenoate.

後処理

  1. customThe organic layer was dried
  2. customevaporated
  3. customthe residue was chromatographed on silica gel
  4. washeluting with hexane:ethyl acetate: methanol 40:58:2

出典と根拠

ORDレコード
ord-21919ade202a452986e7464ecabbeb3b
出典データセット
uspto-grants-1996_09
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US05554612

反応ノート

読み込み中…

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