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N-methyl-2-pyrrolidone → 6-[10-Chloro-7-(1-ethylpropyl)-2,3,4,5-tetrahydro-1H-[1,3]diazepino[1,2-a]benzimidazol-1-yl]-5-methylpyridine-3-carbonitrile

HRID 1628873
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HRID 1628873 반응식
Br[C:2]1[CH:3]=[C:4]([CH3:28])[C:5]([N:8]2[C:14]3=[N:15][C:16]4[C:21]([Cl:22])=[CH:20][CH:19]=[C:18]([CH:23]([CH2:26][CH3:27])[CH2:24][CH3:25])[C:17]=4[N:13]3[CH2:12][CH2:11][CH2:10][CH2:9]2)=[N:6][CH:7]=1.[CH3:29][N:30]1CCCC1=O>C(OCC)(=O)C.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.[C-]#N.[Zn+2].[C-]#N>[Cl:22][C:21]1[C:16]2[N:15]=[C:14]3[N:8]([C:5]4[N:6]=[CH:7][C:2]([C:29]#[N:30])=[CH:3][C:4]=4[CH3:28])[CH2:9][CH2:10][CH2:11][CH2:12][N:13]3[C:17]=2[C:18]([CH:23]([CH2:26][CH3:27])[CH2:24][CH3:25])=[CH:19][CH:20]=1
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참가 물질

6

반응물 2

HCID 13387N-methyl-2-pyrrolidoneHCID 577864001-(5-bromo-3-methylpyridin-2-yl)-10-chloro-7-(1-ethylpropyl)-2,3,4,5-tetrahydro-1H-[1,3]diazepino[1,2-a]benzimidazole

생성물 1

HCID 577859886-[10-Chloro-7-(1-ethylpropyl)-2,3,4,5-tetrahydro-1H-[1,3]diazepino[1,2-a]benzimidazol-1-yl]-5-methylpyridine-3-carbonitrile수율 48%

시약·촉매·용매 3

HCID 11186Zinc cyanide (Zn(CN)2)촉매
HCID 178418397
HCID 178418397, 화합물
촉매
HCID 8857Ethyl Acetate용매

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온도
100 °C

실험 절차

A mixture of 1-(5-bromo-3-methylpyridin-2-yl)-10-chloro-7-(1-ethylpropyl)-2,3,4,5-tetrahydro-1H-[1,3]diazepino[1,2-a]benzimidazole (463 mg, 1.0 mmol), tetrakis(triphenylphosphine)palladium (116 mg, 0.10 mmol) and zinc cyanide (176 mg, 1.5 mmol) in 1-methyl-2-pyrrolidinone (2.0 mL) was stirred at 100° C. for 14 hr. The mixture was diluted with ethyl acetate, filtered through a pad of celite, washed with water and brine, dried over anhydrous sodium sulfate and concentrated in vacuo. The residue was purified by flash chromatography on silica gel eluting with a 10-30% ethyl acetate/n-hexane gradient mixture followed by recrystallization from ethyl acetate/isopropyl ether to afford the title compound (195 mg, 48%) as a colorless solid.

후처리

  1. filtrationfiltered through a pad of celite
  2. washwashed with water and brine
  3. dry with materialdried over anhydrous sodium sulfate
  4. concentrationconcentrated in vacuo
  5. customThe residue was purified by flash chromatography on silica gel eluting with a 10-30% ethyl acetate/n-hexane gradient mixture
  6. customfollowed by recrystallization from ethyl acetate/isopropyl ether

출처 및 근거

ORD 기록
ord-7bf577e0fa7e41419239e36469531b46
출처 데이터셋
uspto-grants-2014_07
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08785460B2

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