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Sodium Carbonate → 4-(7-Methoxy-6-phenylpyrazolo[1,5-a]pyrimidin-5-yl)benzaldehyde

HRID 1851201
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HRID 1851201 반응식
Cl[C:2]1[C:7]([C:8]2[CH:13]=[CH:12][CH:11]=[CH:10][CH:9]=2)=[C:6]([O:14][CH3:15])[N:5]2[N:16]=[CH:17][CH:18]=[C:4]2[N:3]=1.[CH:19]([C:21]1[CH:26]=[CH:25][C:24](B(O)O)=[CH:23][CH:22]=1)=[O:20].C(=O)([O-])[O-].[Na+].[Na+]>COCCOC.O.ClCCl.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]>[CH3:15][O:14][C:6]1[N:5]2[N:16]=[CH:17][CH:18]=[C:4]2[N:3]=[C:2]([C:24]2[CH:25]=[CH:26][C:21]([CH:19]=[O:20])=[CH:22][CH:23]=2)[C:7]=1[C:8]1[CH:13]=[CH:12][CH:11]=[CH:10][CH:9]=1
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참가 물질

8

반응물 3

HCID 10340Sodium CarbonateHCID 5910734-Formylphenylboronic AcidHCID 866306725-Chloro-7-methoxy-6-phenylpyrazolo[1,5-a]pyrimidine

생성물 1

HCID 866306734-(7-Methoxy-6-phenylpyrazolo[1,5-a]pyrimidin-5-yl)benzaldehyde

시약·촉매·용매 4

HCID 44119782Bis(cyclopenta-1,4-dien-1-yl(diphenyl)phosphane);dichloropalladium;iron(2+)
촉매
HCID 962Water용매
HCID 6344Dichloromethane용매
HCID 80711,2-Dimethoxyethane용매

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온도
120 °C

실험 절차

To a solution of 1.00 g 5-chloro-7-methoxy-6-phenylpyrazolo[1,5-a]pyrimidine and 0.69 g 4-formylphenylboronic acid in 20 mL 1,2-dimethoxyethane were added 7.3 mL of a 10% w/w sodium carbonate solution and 0.14 g dichloro[1,1′-bis(diphenylphosphino)ferrocene]palladium (II). The mixture was heated for 45 min under microwave irradiation to 120° C. This mixture was worked up by diluting with water and extraction with dichloromethane. The organic layers were dried over Na2SO4 and concentrated to yield the crude product, which was purified by chromatography on silica gel (methanol/dichloromethane).

후처리

  1. dry with materialThe organic layers were dried over Na2SO4
  2. concentrationconcentrated

출처 및 근거

ORD 기록
ord-0490ca0a883c464b8c407c0bcdcf6561
출처 데이터셋
uspto-grants-2015_02
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08957064B2

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