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Potassium Carbonate → (+/-)-[4-(2-Methylphenyl)-2,3-dihydro-1-benzofuran-2-yl]methyl 4-methylbenzenesulfonate

HRID 2115933
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반응식

HRID 2115933 반응식
[CH3:1][C:2]1[CH:7]=[CH:6][C:5]([S:8]([O:11][CH2:12][CH:13]2[CH2:17][C:16]3[C:18](Br)=[CH:19][CH:20]=[CH:21][C:15]=3[O:14]2)(=[O:10])=[O:9])=[CH:4][CH:3]=1.[CH3:23][C:24]1[CH:29]=[CH:28][CH:27]=[CH:26][C:25]=1B(O)O.C(=O)([O-])[O-].[K+].[K+]>CC1C=CC=CC=1[P](C1C=CC=CC=1C)([Pd](Cl)(Cl)[P](C1=C(C)C=CC=C1)(C1C=CC=CC=1C)C1C=CC=CC=1C)C1C=CC=CC=1C>[CH3:1][C:2]1[CH:7]=[CH:6][C:5]([S:8]([O:11][CH2:12][CH:13]2[CH2:17][C:16]3[C:18]([C:25]4[CH:26]=[CH:27][CH:28]=[CH:29][C:24]=4[CH3:23])=[CH:19][CH:20]=[CH:21][C:15]=3[O:14]2)(=[O:10])=[O:9])=[CH:4][CH:3]=1
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참가 물질

5

반응물 3

HCID 11430Potassium CarbonateHCID 27332672-Methylphenyl boronic acidHCID 86599073(+/-)-(4-Bromo-2,3-dihydro-1-benzofuran-2-yl)methyl 4-methylbenzenesulfonate

생성물 1

HCID 86599075(+/-)-[4-(2-Methylphenyl)-2,3-dihydro-1-benzofuran-2-yl]methyl 4-methylbenzenesulfonate수율 69%

시약·촉매·용매 1

HCID 178424406
HCID 178424406, 화합물
촉매

실험 절차

Treatment of (±)-(4-bromo-2,3-dihydro-1-benzofuran-2-yl)methyl 4-methylbenzenesulfonate (2.0 g, 5.21 mmol), 2-methylphenyl boronic acid (1.06 g, 7.82 mmol), dichlorobis(tri-o-tolylphosphine)-palladium(II) (0.205 g, 0.261 mmol), and potassium carbonate (1.80 g, 13.04 mmol) generally according to the procedure described for Intermediate 37 provided 1.41 g (69%) of (±)-[4-(2-methylphenyl)-2,3-dihydro-1-benzofuran-2-yl]methyl 4-methylbenzenesulfonate as a yellow oil. Rf=0.42 (silica, ethyl acetate:hexanes 1:4); Anal. calcd. for C23H22O4S: C, 70.03; H, 5.62. Found: C, 69.70; H, 5.45.

출처 및 근거

ORD 기록
ord-8edf4c5e5f4948acbb5dc06364936099
출처 데이터셋
uspto-grants-2008_10
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07435837B2

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