Water → 2,3-Bis(1-phenyl-1-hydroxymethyl)naphthalene

HRID 461444

반응식

HRID 461444 반응식
[CH:1]1[C:10]2[C:5](=[CH:6][CH:7]=[CH:8][CH:9]=2)[CH:4]=[C:3]([CH:11]=[O:12])[C:2]=1[CH:13]=[O:14].[C:15]1([Mg]Br)[CH:20]=[CH:19][CH:18]=[CH:17][CH:16]=1.O>O1CCCC1>[C:15]1([CH:13]([C:2]2[C:3]([CH:11]([OH:12])[C:1]3[CH:10]=[CH:5][CH:4]=[CH:3][CH:2]=3)=[CH:4][C:5]3[C:10](=[CH:9][CH:8]=[CH:7][CH:6]=3)[CH:1]=2)[OH:14])[CH:20]=[CH:19][CH:18]=[CH:17][CH:16]=1

참가 물질

5

반응물 3

HCID 962WaterHCID 964002,3-NaphthalenedicarboxaldehydeHCID 178418255HCID 178418255, 화합물

생성물 1

HCID 213937502,3-Bis(1-phenyl-1-hydroxymethyl)naphthalene수율 86.6%

시약·촉매·용매 1

HCID 8028Tetrahydrofuran용매2회

실험 절차

2,3-Naphthalenedicarboxaldehyde (10.0 g) in dry tetrahydrofuran (100ml) was added to phenylmagnesium bromide [derived from bromobenzene (53 g) and magnesium (8 g)] in dry tetrahydrofuran (500 ml) over 1 hr. and the solution was refluxed for a further 3 hr. On cooling, water (500 ml) was added and the ethereal layer was decanted. The aqueous slurry was washed with ether (4 × 500 ml) and the combined ethereal extracts were dried (magnesium sulphate) and evaporated to dryness. The residue was purified by chromatography on silica gel and recrystallised from dichloromethane/petroleum ether (b.p. 40°-60°) to yield two isomers of 2,3-bis(1-phenyl-1-hydroxymethyl)naphthalene (III) (8.0 g. m.p. 145° and 3.0 g, m.p. 164°).

후처리

  1. temperatureand the solution was refluxed for a further 3 hr
  2. temperatureOn cooling
  3. customthe ethereal layer was decanted
  4. washThe aqueous slurry was washed with ether (4 × 500 ml)
  5. dry with materialthe combined ethereal extracts were dried (magnesium sulphate)
  6. customevaporated to dryness
  7. customThe residue was purified by chromatography on silica gel
  8. customrecrystallised from dichloromethane/petroleum ether (b.p. 40°-60°)

출처 및 근거

ORD 기록
ord-ec42555b67f34b5e82c0293fffbf1762
출처 데이터셋
uspto-grants-1977_12
특허 번호
US04062955

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