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Toluene → 2,4-Dichloro-6-phenylpyrimidine

HRID 75434
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HRID 75434 반응식
[Cl:1][C:2]1[N:7]=[C:6]([Cl:8])[CH:5]=[C:4](Cl)[N:3]=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>CCOC(C)=O.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.CCO>[Cl:1][C:2]1[N:7]=[C:6]([Cl:8])[CH:5]=[C:4]([C:10]2[CH:15]=[CH:14][CH:13]=[CH:12][CH:11]=2)[N:3]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

8

반응물 4

HCID 1140TolueneHCID 10340Sodium CarbonateHCID 66827Phenylboronic AcidHCID 773782,4,6-Trichloropyrimidine

생성물 1

HCID 2415542,4-Dichloro-6-phenylpyrimidine수율 110.1%

시약·촉매·용매 3

HCID 178418397
HCID 178418397, 화합물
촉매
HCID 702Ethanol용매
HCID 8857Ethyl Acetate용매

실험 절차

A mixture of 2,4,6-trichloropyrimidine 8 (1 g, 5.45 mmol), phenylboronic acid (665 mg, 5.45 mmol), Pd(PPh3)4 (100 mg) and 2N aqueous Na2CO3 (4.1 mL) in 1:1 toluene:EtOH (15 mL) was heated in a microwave at 120° C. for 20 min. The reaction mixture was diluted with EtOAc and washed with H2O and brine. The organic layer was dried over MgSO4 and concentrated in vacuo to give 2,4-dichloro-6-phenylpyrimidine as a solid (1.35 g), which was used without further purification in the next step.

후처리

  1. washwashed with H2O and brine
  2. dry with materialThe organic layer was dried over MgSO4
  3. concentrationconcentrated in vacuo

출처 및 근거

ORD 기록
ord-6e48fb1f51dd4bb1998a08adfb7be856
출처 데이터셋
uspto-grants-2014_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08835429B2

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