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Sodium Carbonate → 2-Chloro-4-(5-chloro-2-methoxyphenyl)benzoic acid

HRID 16090
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HRID 16090 반응식
Br[C:2]1[CH:10]=[CH:9][C:5]([C:6]([OH:8])=[O:7])=[C:4]([Cl:11])[CH:3]=1.[Cl:12][C:13]1[CH:14]=[CH:15][C:16]([O:22][CH3:23])=[C:17]([CH:21]=1)C(O)=O.C(=O)([O-])[O-].[Na+].[Na+].O1CCOCC1>C1C=CC(P(C2C=CC=CC=2)[C-]2C=CC=C2)=CC=1.C1C=CC(P(C2C=CC=CC=2)[C-]2C=CC=C2)=CC=1.Cl[Pd]Cl.[Fe+2].CO>[Cl:11][C:4]1[CH:3]=[C:2]([C:15]2[CH:14]=[C:13]([Cl:12])[CH:21]=[CH:17][C:16]=2[O:22][CH3:23])[CH:10]=[CH:9][C:5]=1[C:6]([OH:8])=[O:7]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

7

반응물 4

HCID 10340Sodium CarbonateHCID 312751,4-DioxaneHCID 769705-Chloro-o-anisic acidHCID 1088294-Bromo-2-chlorobenzoic acid

생성물 1

HCID 532275772-Chloro-4-(5-chloro-2-methoxyphenyl)benzoic acid수율 79.2%

시약·촉매·용매 2

HCID 44119782
Bis(cyclopenta-1,4-dien-1-yl(diphenyl)phosphane);dichloropalladium;iron(2+)
촉매
HCID 887Methanol용매

실험 절차

4-bromo-2-chlorobenzoic acid (0.4 g), 5-chloro-2-methoxybenzoic acid (0.4 g), Pd(dppf)Cl2 (0.12 g), sodium carbonate (0.9 g), dioxan (15 ml) and methanol (5 ml) were charged to a flask and heated at reflux for 16 h. Cooled to room temp and filtered (hyflo). The filtrate was concentrated in vacuo, then dissolved in ethyl acetate. The suspension was made basic by addition of dilute NaOH. The aqueous layer was separated and acidified using 2M HCl, extracted with EtOAc, dried (MgSO4) and evaporated in vacuo to give the sub-title compound Yield 0.4 g

후처리

  1. temperatureheated
  2. temperatureat reflux for 16 h
  3. filtrationfiltered (hyflo)
  4. concentrationThe filtrate was concentrated in vacuo
  5. dissolutiondissolved in ethyl acetate
  6. additionThe suspension was made basic by addition of dilute NaOH
  7. customThe aqueous layer was separated
  8. extractionextracted with EtOAc
  9. dry with materialdried (MgSO4)
  10. customevaporated in vacuo

출처 및 근거

ORD 기록
ord-ab2b160fe763407f91689f6ef0679c8c
출처 데이터셋
uspto-grants-2010_06
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07737135B2

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