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trans-N,N'-dimethyl-1,2-cyclohexanediamine → Methyl 4-cyano-2-(2-(quinolin-5-yl)acetamido)thiophene-3-carboxylate

HRID 2098002
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HRID 2098002 반응식
Br[C:2]1[C:3]([C:21]([O:23][CH3:24])=[O:22])=[C:4]([NH:7][C:8](=[O:20])[CH2:9][C:10]2[CH:19]=[CH:18][CH:17]=[C:16]3[C:11]=2[CH:12]=[CH:13][CH:14]=[N:15]3)[S:5][CH:6]=1.[C:25]([Cu])#[N:26].CN[C@@H]1CCCC[C@H]1NC>CN(C=O)C>[C:25]([C:2]1[C:3]([C:21]([O:23][CH3:24])=[O:22])=[C:4]([NH:7][C:8](=[O:20])[CH2:9][C:10]2[CH:19]=[CH:18][CH:17]=[C:16]3[C:11]=2[CH:12]=[CH:13][CH:14]=[N:15]3)[S:5][CH:6]=1)#[N:26]
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참가 물질

5

반응물 3

HCID 2733821trans-N,N'-dimethyl-1,2-cyclohexanediamineHCID 68754644Methyl 4-bromo-2-(2-(quinolin-5-yl)acetamido)thiophene-3-carboxylateHCID 178418546HCID 178418546, 화합물

생성물 1

HCID 68754679Methyl 4-cyano-2-(2-(quinolin-5-yl)acetamido)thiophene-3-carboxylate

시약·촉매·용매 1

HCID 6228Dimethylformamide용매

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온도
150 °C

실험 절차

A 20 mL microwave vessel was charged with methyl 4-bromo-2-(2-(quinolin-5-yl)acetamido)thiophene-3-carboxylate (560 mg, 1.38 mmol), CuCN (540 mg, 6 mmol), DMF (8 mL), and (1R,2R)—N1,N2-dimethylcyclohexane-1,2-diamine (300 uL). The reaction mixture was flushed with nitrogen and sealed under a teflon cap before being heated to 150° C. using microwave radiation for 0.5 h. The reaction mixture was concentrated under reduced pressure to give an oil that was partitioned between an organic layer of 10% iPrOH/chloroform and an aqueous layer saturated with sodium bicarbonate. The heterogeneous organic layer was filtered and concentrated under reduced pressure to give a green oil. The crude product was purified by column chromatography with 60-70% ethyl acetate/hexanes. Yield: 40 mg (8%). Method [1]: rt=1.401 min; MH+ 352.0.

후처리

  1. customThe reaction mixture was flushed with nitrogen
  2. customsealed under a teflon
  3. customcap
  4. customfor 0.5 h
  5. concentrationThe reaction mixture was concentrated under reduced pressure
  6. customto give an oil that
  7. customwas partitioned between an organic layer of 10% iPrOH/chloroform
  8. filtrationThe heterogeneous organic layer was filtered
  9. concentrationconcentrated under reduced pressure
  10. customto give a green oil
  11. customThe crude product was purified by column chromatography with 60-70% ethyl acetate/hexanes
  12. customrt=1.401 min

출처 및 근거

ORD 기록
ord-c15a19c2ec6a4c78827143cbd06831f4
출처 데이터셋
uspto-grants-2013_05
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08450363B2

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