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4-(Trimethylsilyl)phenylboronic Acid (contains varying amounts of Anhydride) → 1,3,6,8-Tetrakis-(4-trimethylsilyl-phenyl)-pyrene

HRID 1767299
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HRID 1767299 반응식
Cl[C:2]1[C:15]2[C:16]3=[C:17]4[C:12](=[CH:13][CH:14]=2)[C:11](Cl)=[CH:10][C:9](Cl)=[C:8]4[CH:7]=[CH:6][C:5]3=[C:4](Cl)[CH:3]=1.[CH3:21][Si:22]([CH3:33])([CH3:32])[C:23]1[CH:28]=[CH:27][C:26](B(O)O)=[CH:25][CH:24]=1.C(P(C(C)(C)C)[CH2:39][Si:40]([CH3:43])([CH3:42])[CH3:41])(C)(C)C.C(=O)([O-])[O-].[Cs+].[Cs+]>C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.C1C=CC(/C=C/C(/C=C/C2C=CC=CC=2)=O)=CC=1.[Pd].[Pd].O.O1CCOCC1>[CH3:21][Si:22]([CH3:33])([CH3:32])[C:23]1[CH:28]=[CH:27][C:26]([C:2]2[C:15]3[C:16]4=[C:17]5[C:12](=[CH:13][CH:14]=3)[C:11]([C:26]3[CH:27]=[CH:28][C:23]([Si:22]([CH3:33])([CH3:32])[CH3:21])=[CH:24][CH:25]=3)=[CH:10][C:9]([C:26]3[CH:27]=[CH:28][C:23]([Si:22]([CH3:33])([CH3:32])[CH3:21])=[CH:24][CH:25]=3)=[C:8]5[CH:7]=[CH:6][C:5]4=[C:4]([C:2]3[CH:15]=[CH:14][C:39]([Si:40]([CH3:42])([CH3:41])[CH3:43])=[CH:4][CH:3]=3)[CH:3]=2)=[CH:25][CH:24]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

8

반응물 4

HCID 17104-(Trimethylsilyl)phenylboronic Acid (contains varying amounts of Anhydride)HCID 10796Cesium carbonateHCID 66473Pyrene, 1,3,6,8-tetrachloro-HCID 12583313Di-tert-butyl-trimethylsilylmethyl-phosphane

생성물 1

HCID 211135601,3,6,8-Tetrakis-(4-trimethylsilyl-phenyl)-pyrene

시약·촉매·용매 3

HCID 9811564
Bis(dibenzylideneacetone)palladium
촉매
HCID 962Water용매
HCID 312751,4-Dioxane용매

실험 절차

1,3,6,8-Tetrachloro-pyrene (3.50 g, 0.0103 mol), 4-trimethylsilylphenylboronic acid (10.0 g, 0.0515 mol), tris(dibenzylideneacetone)dipalladium(0) (1.18 g, 0.00129 mol), di-tert-butyl-trimethylsilylmethyl-phosphane (0.72 g, 0.0031 mol), cesium carbonate (16.78 g, 0.0515 mol) and dioxane (100 ml) were stirred at room temperature for 24 hours. The resultant mixture was poured into 200 ml of water and extracted twice with 200 ml of methylene chloride. The organic phase was dried over magnesium sulfate overnight and filtered. The solvent was removed on a roto-evaporator and the residue was purified by chromatography on silica gel with petroleum ether/ethyl ether (10/0.5) as eluent. Yield of 1,3,6,8-tetrakis-(4-trimethylsilanyl-phenyl)-pyrene was 2.39 g (29.11%) as a yellow solid with no m.p. below 250° C. 1H NMR (CD2Cl2) 0.15 (s., 36H, Me), 7.40–7.60 (br., 22H, arom-H), 7.91 (s., 2H, arom.-H), 8.20 (s., 4H, arom.-H). LC/MS: exact mass calculated for C52H58Si4: 794.36. Found: 794.36. The structure was confirmed by X-ray analysis.

후처리

  1. extractionextracted twice with 200 ml of methylene chloride
  2. dry with materialThe organic phase was dried over magnesium sulfate overnight
  3. filtrationfiltered
  4. customThe solvent was removed on a roto-evaporator
  5. customthe residue was purified by chromatography on silica gel with petroleum ether/ethyl ether (10/0.5) as eluent

출처 및 근거

ORD 기록
ord-abc5c4ba36814a2eb15590e146133a7e
출처 데이터셋
uspto-grants-2007_06
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07233019B2

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