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llms.txt · MCP 가이드개인정보처리방침 · 이용약관 · 지원v1.8.0
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methyl (E) 6-(1,3-dihydro-7-methyl-3-oxo-4-p-toluenesulfonyloxy-6-vinylisobenzofuran-5-yl)-4-methyl-4-hexenoate → methyl (E) 6-(1,3-dihydro-6-ethyl-7-methyl-3-oxo-4-p-toluenesulfonyloxyisobenzofuran-5-yl)-4-methyl-4-hexenoate

HRID 1757205
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HRID 1757205 반응식
[CH3:1][C:2]1[C:3]([CH:33]=[CH2:34])=[C:4]([CH2:23]/[CH:24]=[C:25](\[CH3:32])/[CH2:26][CH2:27][C:28]([O:30][CH3:31])=[O:29])[C:5]([O:12][S:13]([C:16]2[CH:21]=[CH:20][C:19]([CH3:22])=[CH:18][CH:17]=2)(=[O:15])=[O:14])=[C:6]2[C:10]=1[CH2:9][O:8][C:7]2=[O:11]>C1C=CC=CC=1.C(O)C.C1C=CC(P(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1.C1C=CC(P(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1.C1C=CC(P(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1.[Cl-].[Rh]>[CH2:33]([C:3]1[C:2]([CH3:1])=[C:10]2[C:6]([C:7](=[O:11])[O:8][CH2:9]2)=[C:5]([O:12][S:13]([C:16]2[CH:21]=[CH:20][C:19]([CH3:22])=[CH:18][CH:17]=2)(=[O:15])=[O:14])[C:4]=1[CH2:23]/[CH:24]=[C:25](\[CH3:32])/[CH2:26][CH2:27][C:28]([O:30][CH3:31])=[O:29])[CH3:34]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 1

HCID 10672508methyl (E) 6-(1,3-dihydro-7-methyl-3-oxo-4-p-toluenesulfonyloxy-6-vinylisobenzofuran-5-yl)-4-methyl-4-hexenoate

생성물 1

HCID 10696303methyl (E) 6-(1,3-dihydro-6-ethyl-7-methyl-3-oxo-4-p-toluenesulfonyloxyisobenzofuran-5-yl)-4-methyl-4-hexenoate

시약·촉매·용매 3

HCID 84599Chlorotris(triphenylphosphine)rhodium(I)촉매HCID 241Benzene용매
HCID 702
Ethanol
용매

실험 절차

A solution of methyl (E) 6-(1,3-dihydro-7-methyl-3-oxo-4-p-toluenesulfonyloxy-6-vinylisobenzofuran-5-yl)-4-methyl-4-hexenoate (17.7 g) and tris(triphenylphosphine)rhodium chloride (1.2 g) in benzene (180 ml) and ethanol (180 ml) was hydrogenated for 11 hours. The solvents were removed under vacuum and the residue was crystallized from ethyl acetate/tert-butyl methyl ether to afford methyl (E) 6-(1,3-dihydro-6-ethyl-7-methyl-3-oxo-4-p-toluenesulfonyloxyisobenzofuran-5-yl)-4-methyl-4-hexenoate, m.p. 101.3°-102.8° C.

후처리

  1. customThe solvents were removed under vacuum
  2. customthe residue was crystallized from ethyl acetate/tert-butyl methyl ether

출처 및 근거

ORD 기록
ord-d39007d6fd53425389c376e19ed14a3c
출처 데이터셋
uspto-grants-1995_08
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US05444072

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