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Potassium Carbonate → (E)-2-(2,6-dichlorobenzamido)-5-[4-(4-methoxytetrahydropyran-4-yl)-phenyl]pent-4-enoic acid methyl ester

HRID 230333
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HRID 230333 반응식
[CH3:1][O:2][C:3](=[O:19])[CH:4]([NH:8][C:9](=[O:18])[C:10]1[C:15]([Cl:16])=[CH:14][CH:13]=[CH:12][C:11]=1[Cl:17])[CH2:5][CH:6]=[CH2:7].I[C:21]1[CH:26]=[CH:25][C:24]([C:27]2([O:33][CH3:34])[CH2:32][CH2:31][O:30][CH2:29][CH2:28]2)=[CH:23][CH:22]=1.C(=O)([O-])[O-].[K+].[K+]>C([O-])(=O)C.[Pd+2].C([O-])(=O)C.CC1C=CC=CC=1P(C1C=CC=CC=1C)C1C=CC=CC=1C>[CH3:1][O:2][C:3](=[O:19])[CH:4]([NH:8][C:9](=[O:18])[C:10]1[C:11]([Cl:17])=[CH:12][CH:13]=[CH:14][C:15]=1[Cl:16])[CH2:5]/[CH:6]=[CH:7]/[C:21]1[CH:22]=[CH:23][C:24]([C:27]2([O:33][CH3:34])[CH2:32][CH2:31][O:30][CH2:29][CH2:28]2)=[CH:25][CH:26]=1
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참가 물질

6

반응물 3

HCID 11430Potassium CarbonateHCID 577625182-(2,6-Dichlorobenzamido)pent-4-enoic acid methyl esterHCID 57762532tetrahydro-4-(4-iodophenyl)-4-methoxy-2H-pyran

생성물 1

HCID 57762496(E)-2-(2,6-dichlorobenzamido)-5-[4-(4-methoxytetrahydropyran-4-yl)-phenyl]pent-4-enoic acid methyl ester수율 79.7%

시약·촉매·용매 2

HCID 80271
Tri-o-tolylphosphine
촉매
HCID 167845palladium(II) acetate촉매

실험 절차

In the same manner as in Example 1, 2-(2,6-dichlorobenzamido)pent-4-enoic acid methyl ester (2.11 g) was reacted with tetrahydro-4-(4-iodophenyl)-4-methoxy-2H-pyran (2.22 g) in the presence of potassium carbonate (1.45 g), palladium acetate (81.7 mg) and tris(2-methylphenyl)phosphine (106.2 mg) to obtain (E)-2-(2,6-dichlorobenzamido)-5-[4-(4-methoxytetrahydropyran-4-yl)-phenyl]pent-4-enoic acid methyl ester (2.74 g). Column chromatography (silica gel, eluent: cyclohexane/chloroform=2/1→cyclohexane/ethyl acetate=10/1→cyclohexane/ethyl acetate=4/1) was used for purification.

출처 및 근거

ORD 기록
ord-cea0ba520a114a54be781dc64dfb9fb4
출처 데이터셋
uspto-grants-2009_07
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07566724B2

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