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Tri-o-tolylphosphine → (E)-N-Methyl-N-(3-methylbenzofuran-2-ylmethyl)-3-(2-oxo-2,3,4,5-tetrahydro-1H-pyrido[2,3-e][1,4]diazepin-7-yl)acrylamide

HRID 2097079
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HRID 2097079 반응식
Cl.Br[C:3]1[CH:14]=[N:13][C:6]2[NH:7][C:8](=[O:12])[CH2:9][NH:10][CH2:11][C:5]=2[CH:4]=1.[CH3:15][N:16]([CH2:21][C:22]1[O:23][C:24]2[CH:31]=[CH:30][CH:29]=[CH:28][C:25]=2[C:26]=1[CH3:27])[C:17](=[O:20])[CH:18]=[CH2:19].C(N(C(C)C)C(C)C)C.CC1C=CC=CC=1P(C1C=CC=CC=1C)C1C=CC=CC=1C>C(#N)CC.CN(C=O)C.C(Cl)Cl.CO.CC([O-])=O.CC([O-])=O.[Pd+2]>[CH3:15][N:16]([CH2:21][C:22]1[O:23][C:24]2[CH:31]=[CH:30][CH:29]=[CH:28][C:25]=2[C:26]=1[CH3:27])[C:17](=[O:20])/[CH:18]=[CH:19]/[C:3]1[CH:14]=[N:13][C:6]2[NH:7][C:8](=[O:12])[CH2:9][NH:10][CH2:11][C:5]=2[CH:4]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

9

반응물 4

HCID 80271Tri-o-tolylphosphineHCID 81531DiisopropylethylamineHCID 57742103N-methyl-N-(3-methylbenzofuran-2-ylmethyl)acrylamideHCID 66780871HCID 66780871, 화합물

생성물 1

HCID 16659988(E)-N-Methyl-N-(3-methylbenzofuran-2-ylmethyl)-3-(2-oxo-2,3,4,5-tetrahydro-1H-pyrido[2,3-e][1,4]diazepin-7-yl)acrylamide수율 47%

시약·촉매·용매 4

HCID 167845palladium(II) acetate촉매HCID 6228Dimethylformamide용매HCID 7854Propionitrile용매HCID 21226129Dichloromethane methanol용매

실험 절차

A suspension of 7-bromo-1,3,4,5-tetrahydropyrido[2,3-e][1,4]diazepin-2-one hydrochloride (0.29 g, 1.0 mmol) and N-methyl-N-(3-methylbenzofuran-2-ylmethyl)acrylamide (0.29 g, 1.3 mmol) in propionitrile (5 mL) and DMF (1.3 mL) was de-oxygenated with Ar for 10 min. The mixture was treated with (i-Pr)2EtN (0.56 mL, 3.2 mmol) and was de-oxygenated with Ar for 5 min. Pd(OAc)2 (24 mg, 0.11 mmol) and P(o-tol)3 (64 mg, 0.21 mmol) were added simultaneously, and the mixture was de-oxygenated a third time for 5 min. The mixture was heated to reflux overnight, then allowed to cool. The resulting precipitate was isolated by filtration, dissolved in CH2Cl2/MeOH and the solvent was removed in vacuo. Purification by flash column chromatography (silica gel, CH2Cl2/MeOH, 98:2 to 96:4) gave the title compound (0.18 g, 47%) as a white solid: MS (ESI) m/e 391 (M+H)+.

후처리

  1. waitwas de-oxygenated with Ar for 5 min
  2. customfor 5 min
  3. temperatureThe mixture was heated
  4. temperatureto reflux overnight
  5. temperatureto cool
  6. customThe resulting precipitate was isolated by filtration
  7. customthe solvent was removed in vacuo
  8. customPurification by flash column chromatography (silica gel, CH2Cl2/MeOH, 98:2 to 96:4)

출처 및 근거

ORD 기록
ord-a8912fea7cac477190a00ee501bd8153
출처 데이터셋
uspto-grants-2013_05
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08450307B2

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