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Triethylamine → (E)-3-(1-ethyl 3,3,5-trimethyl 2,4-dioxo-2,3,4,5-tetrahydro-1H-benzo[b][1,4]diazepin-7-yl) acrylic acid ethyl ester

HRID 68945
ノート
印刷プレビュー

反応式

HRID 68945 の反応式
[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].[C:27]([O:31][CH2:32][CH3:33])(=[O:30])[CH:28]=[CH2:29].[Cl-].[Li+].C(N(CC)CC)C>Cl[Pd](Cl)([P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1)[P](C1C=CC=CC=1)(C1C=CC=CC=1)C1C=CC=CC=1.CN(C=O)C>[CH2:32]([O:31][C:27](=[O:30])/[CH:28]=[CH:29]/[C:16]1[CH:17]=[CH:18][C:4]2[N:3]([CH2:1][CH3:2])[C:9](=[O:10])[C:8]([CH3:11])([CH3:12])[C:7](=[O:13])[N:6]([CH3:14])[C:5]=2[CH:15]=1)[CH3:33]
参加物反応条件実験手順後処理出典と根拠反応ノート

参加物

7

反応物 4

HCID 8471TriethylamineHCID 8821Ethyl AcrylateHCID 433294Lithium ChlorideHCID 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

生成物 1

HCID 66960494(E)-3-(1-ethyl 3,3,5-trimethyl 2,4-dioxo-2,3,4,5-tetrahydro-1H-benzo[b][1,4]diazepin-7-yl) acrylic acid ethyl ester収率 103.1%

試薬・触媒・溶媒 2

HCID 178418476HCID 178418476、化合物触媒HCID 6228Dimethylformamide溶媒

反応条件

温度
180 °C

実験手順

Trifluoromethane sulfonic acid 1-ethyl-3,3,5-trimethyl-2,4-dioxo-2,3,4,5-tetrahydro-1H-benzo[b][1,4]diazepin-7-yl ester (0.40 g), ethyl acrylate (0.13 g), dichlorobis(triphenylphosphine)palladium (II) (35 mg), lithium chloride (64 mg), and triethylamine (0.19 ml) were added to DMF (4 ml). The mixture was heated at 180° C. (microwave reactor) for 20 minutes. 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=70:30→30:70). The purified product was condensed under reduced pressure to give the title compound (0.36 g) as a pale yellow solid.

後処理

  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=70:30→30:70)
  6. customcondensed under reduced pressure

出典と根拠

ORDレコード
ord-3f1cc1ac4ce94ccd88111b5c7eccc670
出典データセット
uspto-grants-2014_09
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08822453B2

反応ノート

読み込み中…

このページの内容参加物反応条件実験手順後処理出典と根拠反応ノート