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Dichloromethane → 4-(((5'-chloro-2'-fluoro-[2,4'-bipyridin]-6-yl)amino)methyl)tetrahydro-2H-pyran-4-carbonitrile

HRID 1963840
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HRID 1963840 반응식
Br[C:2]1[N:7]=[C:6]([NH:8][CH2:9][C:10]2([C:16]#[N:17])[CH2:15][CH2:14][O:13][CH2:12][CH2:11]2)[CH:5]=[CH:4][CH:3]=1.[Cl:18][C:19]1[C:20](B(O)O)=[CH:21][C:22]([F:25])=[N:23][CH:24]=1.C(Cl)Cl>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].COCCOC>[Cl:18][C:19]1[C:20]([C:2]2[CH:3]=[CH:4][CH:5]=[C:6]([NH:8][CH2:9][C:10]3([C:16]#[N:17])[CH2:15][CH2:14][O:13][CH2:12][CH2:11]3)[N:7]=2)=[CH:21][C:22]([F:25])=[N:23][CH:24]=1
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참가 물질

6

반응물 3

HCID 6344DichloromethaneHCID 44754822(5-Chloro-2-fluoropyridin-4-yl)boronic acidHCID 581272764-((6-bromopyridin-2-yl-amino)methyl)tetrahydro-2H-pyran-4-carbonitrile2회

생성물 1

HCID 581271824-(((5'-chloro-2'-fluoro-[2,4'-bipyridin]-6-yl)amino)methyl)tetrahydro-2H-pyran-4-carbonitrile수율 75%

시약·촉매·용매 2

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

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온도
110 °C

실험 절차

A mixture of 4-((6-bromopyridin-2-yl-amino)methyl)tetrahydro-2H-pyran-4-carbonitrile (Intermediate S, 410 mg, 1.384 mmol), 5-chloro-2-fluoropyridin-4-ylboronic acid (362.2 mg, 2.07 mmol), PdCl2(dppf).CH2Cl2 adduct (113 mg, 0.14 mmol), DME (5 Ml) and 2 M aqueous Na2CO2 (1.75 Ml, 3.5 mmol) was sealed and stirred at 110° C. for 20 min using microwave reactor. After cooling to room temperature the mixture was extracted with EtOAc (35 Ml), filtered and concentrated in vacuo. The crude material was purified by column chromatography [silica gel, 24 g, EtOAc/hexane=5/100 to 50/50] to provide 4-((5′-chloro-2′-fluoro-2,4′-bipyridin-6-ylamino)methyl)tetrahydro-2H-pyran-4-carbonitrile (360 mg, 75% yield). LCMS (m/z): 347 [M+H]+; retention time=0.814 min.

후처리

  1. temperatureAfter cooling to room temperature the mixture
  2. extractionwas extracted with EtOAc (35 Ml)
  3. filtrationfiltered
  4. concentrationconcentrated in vacuo
  5. customThe crude material was purified by column chromatography [silica gel, 24 g, EtOAc/hexane=5/100 to 50/50]

출처 및 근거

ORD 기록
ord-dbbd64427c9b4d87a58c8c4d48b3fec0
출처 데이터셋
uspto-grants-2013_04
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08415381B2

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