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Sodium Carbonate → 3-Biphenylmethanol

HRID 440960
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HRID 440960 반응식
Br[C:2]1[CH:3]=[C:4]([CH2:8][OH:9])[CH:5]=[CH:6][CH:7]=1.[C:10]1(B(O)O)[CH:15]=[CH:14][CH:13]=[CH:12][CH:11]=1.C(=O)([O-])[O-].[Na+].[Na+]>C1(C)C=CC=CC=1.C1C=CC([P]([Pd]([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)([P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)[P](C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)(C2C=CC=CC=2)C2C=CC=CC=2)=CC=1>[C:10]1([C:2]2[CH:3]=[C:4]([CH2:8][OH:9])[CH:5]=[CH:6][CH:7]=2)[CH:15]=[CH:14][CH:13]=[CH:12][CH:11]=1
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참가 물질

6

반응물 3

HCID 10340Sodium CarbonateHCID 66827Phenylboronic AcidHCID 851413-Bromobenzyl alcohol2회

생성물 1

HCID 6035563-Biphenylmethanol수율 129.7%

시약·촉매·용매 2

HCID 178418397HCID 178418397, 화합물촉매HCID 1140
Toluene
용매

실험 절차

This compound was prepared in a manner analogous to that of Example 4, Step B, using 10.0 grams (0.054 mole) of 3-bromophenyl-methanol, 7.2 grams (0.059 mole) of phenylboronic acid, 0.25 gram (catalyst) of tetrakis(triphenylphosphine)palladium(0), and 66 mL (0.135 mole) of aqueous 2M sodium carbonate in 50 mL of toluene. The crude product from this reaction was combined with a previous smaller run conducted on 4.6 grams (0.020 mole) of 3-bromophenylmethanol. The combination was subjected to column chromatography on silica gel. Elution was accomplished using 20:1 methylene chloride and ethyl acetate. The appropriate fractions were combined and concentrated under reduced pressure, yielding 12.9 grams of 3-phenylphenylmethanol. The NMR spectrum was consistent with the proposed structure.

후처리

  1. customThis compound was prepared in a manner analogous to that of Example 4, Step B
  2. washElution
  3. concentrationconcentrated under reduced pressure

출처 및 근거

ORD 기록
ord-b012974f31cf4627bfc0e05e0e25d673
출처 데이터셋
uspto-grants-1996_05
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US05521192

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