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Dimethylformamide → 1-ethyl-3,3,5-trimethyl-2,4-dioxo-2,3,4,5-tetrahydro-1H-benzo[b][1,4]diazepine-7-carbonitrile

HRID 1504114
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HRID 1504114 반응식
[CH2:1]([N:3]1[C:9](=[O:10])[C:8]([CH3:12])([CH3:11])[C:7](=[O:13])[N:6]([CH3:14])[C:5]2[CH:15]=[C:16](OS(C(F)(F)F)(=O)=O)[CH:17]=[CH:18][C:4]1=2)[CH3:2].[CH3:27][N:28](C=O)C>[C-]#N.[Zn+2].[C-]#N.[Pd].[Pd].C(=CC(C=CC1C=CC=CC=1)=O)C1C=CC=CC=1.C(=CC(C=CC1C=CC=CC=1)=O)C1C=CC=CC=1.C(=CC(C=CC1C=CC=CC=1)=O)C1C=CC=CC=1.C1(P(C2C=CC=CC=2)[C-]2C=CC=C2)C=CC=CC=1.[C-]1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=C1.[Fe+2].[Zn]>[CH2:1]([N:3]1[C:9](=[O:10])[C:8]([CH3:12])([CH3:11])[C:7](=[O:13])[N:6]([CH3:14])[C:5]2[CH:15]=[C:16]([C:27]#[N:28])[CH:17]=[CH:18][C:4]1=2)[CH3:2]
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참가 물질

7

반응물 2

HCID 6228DimethylformamideHCID 86670475Trifluoromethanesulfonic acid 1-ethyl-3,3,5-trimethyl-2,4-dioxo-2,3,4,5-tetrahydro-1H-benzo[b][1,4]diazepine-7-yl ester

생성물 1

HCID 669604771-ethyl-3,3,5-trimethyl-2,4-dioxo-2,3,4,5-tetrahydro-1H-benzo[b][1,4]diazepine-7-carbonitrile

시약·촉매·용매 4

HCID 11186Zinc cyanide (Zn(CN)2)촉매HCID 23994Zinc
촉매
HCID 635956Ferrocene-1,1'-bis-(diphenylphosphine)촉매
HCID 9832798Tris(dibenzylideneacetone) dipalladium촉매

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온도
170 °C

실험 절차

Trifluoromethanesulfonic acid 1-ethyl-3,3,5-trimethyl-2,4-dioxo-2,3,4,5-tetrahydro-1H-benzo[b][1,4]diazepine-7-yl ester(0.12 g), zinc cyanide(70 mg), tris(dibenzylideneacetone) dipalladium 7 mg), 1,1′-bis(diphenylphosphino) ferrocene(8 mg), and zinc powder(2 mg) were added to DMF (1 ml), and the mixture was heated for 20 minutes at 170° C. (microwave reactor). The reaction liquid was cooled to room temperature, and subjected to celite filtration. The filtrate was condensed under reduced pressure, and the residue was purified by silica gel column chromatography (hexane: ethyl acetate=50:50→0:100). The purified product was condensed under reduced pressure to give the title compound(77 mg) as a white solid.

후처리

  1. customThe reaction liquid
  2. temperaturewas cooled to room temperature
  3. filtrationsubjected to celite filtration
  4. customcondensed under reduced pressure
  5. customthe residue was purified by silica gel column chromatography (hexane: ethyl acetate=50:50→0:100)
  6. customcondensed under reduced pressure

출처 및 근거

ORD 기록
ord-a0dd4503c302459c83027fdc64e11a03
출처 데이터셋
uspto-grants-2015_12
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09212187B2

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