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Propargyl alcohol → 4,5-dihydro-3-(3-hydroxy-1-propynyl)-5-methyl-6H-imidazo[1,5-a][1,4]benzodiazepin-6-one

HRID 1606982
ノート
印刷プレビュー

反応式

HRID 1606982 の反応式
I[C:2]1[N:3]=[CH:4][N:5]2[C:11]3[CH:12]=[CH:13][CH:14]=[CH:15][C:10]=3[C:9](=[O:16])[N:8]([CH3:17])[CH2:7][C:6]=12.[CH2:18]([OH:21])[C:19]#[CH:20]>C(NCC)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.[Cu]I>[OH:21][CH2:18][C:19]#[C:20][C:2]1[N:3]=[CH:4][N:5]2[C:11]3[CH:12]=[CH:13][CH:14]=[CH:15][C:10]=3[C:9](=[O:16])[N:8]([CH3:17])[CH2:7][C:6]=12
参加物実験手順後処理出典と根拠反応ノート

参加物

6

反応物 2

HCID 7859Propargyl alcoholHCID 198306774,5-dihydro-3-iodo-5-methyl-6H-imidazo[1,5-a][1,4]benzodiazepin-6-one

生成物 1

HCID 198515454,5-dihydro-3-(3-hydroxy-1-propynyl)-5-methyl-6H-imidazo[1,5-a][1,4]benzodiazepin-6-one

試薬・触媒・溶媒 3

HCID 24350Copper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI)触媒HCID 178418476
HCID 178418476、化合物
触媒
HCID 8021Diethylamine溶媒

実験手順

3.90 g (11.5 mmol) of 4,5-dihydro-3-iodo-5-methyl-6H-imidazo[1,5-a][1,4]benzodiazepin-6-one was heated to boiling under reflux for 5 hours with 0.67 g (12 mmol) of propargyl alcohol, 70 mg of bis-(triphenylphosphine)-palladium(II) dichloride and 10 mg of copper(I) iodide in 30 ml of diethylamine. The solvent was then evaporated, the residue was taken up in methylene chloride, the solid was filtered off and rinsed with ethyl acetate. After drying there was obtained 4,5-dihydro-3-(3-hydroxy-1-propynyl)-5-methyl-6H-imidazo[1,5-a][1,4]benzodiazepin-6-one of melting point 240°-241°.

後処理

  1. customThe solvent was then evaporated
  2. filtrationthe solid was filtered off
  3. washrinsed with ethyl acetate
  4. customAfter drying there

出典と根拠

ORDレコード
ord-37dbb2caaae14ebdb7d8e24230c299a9
出典データセット
uspto-grants-1989_09
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US04863920

反応ノート

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