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

HRID 1735424
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인쇄 미리보기

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HRID 1735424 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>[CH3:33][O:30][C:29](=[O:31])[CH2:28][CH2:27]/[C:26](/[CH3:32])=[CH:25]/[CH2:24][C:3]1[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:5]2[C:9](=[C:10]([CH3:11])[C:2]=1[OH:1])[CH2:8][O:7][C:6]2=[O:12]
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-toluene sulfonyloxyisobenzofuran-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-8ecbe9b2e6384fe7b3a5a718f61069ef
출처 데이터셋
uspto-grants-1996_07
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US05536747

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