Toluene → (E)-ethyl 3-(5-hydroxy-[1,1'-biphenyl]-2-yl)acrylate

HRID 2069636

반응식

HRID 2069636 반응식
[OH:1][C:2]1[CH:7]=[C:6]([C:8]2[CH:13]=[CH:12][CH:11]=[CH:10][CH:9]=2)[C:5]([CH:14]=O)=[CH:4][CH:3]=1.[C:16]([CH:19]=P(C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1)([OH:18])=[O:17].[C:39]1(C)C=CC=C[CH:40]=1>>[OH:1][C:2]1[CH:3]=[CH:4][C:5](/[CH:14]=[CH:19]/[C:16]([O:18][CH2:39][CH3:40])=[O:17])=[C:6]([C:8]2[CH:9]=[CH:10][CH:11]=[CH:12][CH:13]=2)[CH:7]=1

참가 물질

4

반응물 3

HCID 1140TolueneHCID 10870911Carboxymethylene triphenylphosphoraneHCID 573034645-Hydroxy-[1,1'-biphenyl]-2-carbaldehyde

생성물 1

HCID 58566652(E)-ethyl 3-(5-hydroxy-[1,1'-biphenyl]-2-yl)acrylate

실험 절차

A solution of 5-hydroxy-[1,1′-biphenyl]-2-carbaldehyde (651) (292 mg, 1.47 mmol) and (carboxymethylene)-triphenylphosphorane (564.5 mg, 1.62 mmol) in toluene (15 mL) was refluxed for 24 hours. The reaction was concentrated in vacuo and was purified by flash column chromatography on silica gel with hexanes and EtOAc (30%) to give (E)-ethyl 3-(5-hydroxy-[1,1′-biphenyl]-2-yl)acrylate (652).

후처리

  1. concentrationThe reaction was concentrated in vacuo
  2. customwas purified by flash column chromatography on silica gel with hexanes and EtOAc (30%)

출처 및 근거

ORD 기록
ord-73a19d5aa75645cda34aa78636ac221c
출처 데이터셋
uspto-grants-2012_10
특허 번호
US08299117B2

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