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

HRID 742349
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인쇄 미리보기

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HRID 742349 반응식
[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]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 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

생성물 1

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

시약·촉매·용매 1

HCID 887
Methanol
용매

실험 절차

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.

후처리

  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

출처 및 근거

ORD 기록
ord-21919ade202a452986e7464ecabbeb3b
출처 데이터셋
uspto-grants-1996_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US05554612

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