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3-Butyn-2-ol → 7-chloro-4,5-dihydro-3-(3-hydroxy-1-butynyl)-5-methyl-6H-imidazo[1,5-a][1,4]benzodiazepin-6-one

HRID 1493124
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HRID 1493124 반응식
[Cl:1][C:2]1[C:7]2[C:8](=[O:18])[N:9]([CH3:17])[CH2:10][C:11]3[N:12]([CH:13]=[N:14][C:15]=3I)[C:6]=2[CH:5]=[CH:4][CH:3]=1.[CH3:19][CH:20]([OH:23])[C:21]#[CH:22]>C(NCC)C.C(Cl)CCl.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>[Cl:1][C:2]1[C:7]2[C:8](=[O:18])[N:9]([CH3:17])[CH2:10][C:11]3[N:12]([CH:13]=[N:14][C:15]=3[C:22]#[C:21][CH:20]([OH:23])[CH3:19])[C:6]=2[CH:5]=[CH:4][CH:3]=1
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

7

반응물 2

HCID 162393-Butyn-2-olHCID 198306597-chloro-4,5-dihydro-3-iodo-5-methyl-6H-imidazo[1,5-a][1,4]benzodiazepin-6-one

생성물 1

HCID 198306467-chloro-4,5-dihydro-3-(3-hydroxy-1-butynyl)-5-methyl-6H-imidazo[1,5-a][1,4]benzodiazepin-6-one

시약·촉매·용매 4

HCID 24350Copper(1+) iodide; Copper(I) iodide; Cuprous iodide; Cuprous iodide (CuI)촉매
HCID 178418476
HCID 178418476, 화합물
촉매
HCID 111,2-Dichloroethane용매
HCID 8021Diethylamine용매

실험 절차

7.47 g (20 mmol) of 7-chloro-4,5-dihydro-3-iodo-5-methyl-6H-imidazo[1,5-a][1,4]benzodiazepine-6-one were heated to boiling under reflux for 4 hours with 1.75 g (25 mmol) of 3-butyn-2-ol, 70 mg of bis-(triphenyl -phosphine)-palladium(II) dichloride and 10 mg of copper(I) iodide in 50 ml of diethylamine and 20 ml of ethylene chloride. After evaporation of the solvent the residue was taken up in methylene chloride and the resulting suspension was suction filtered. The material obtained was washed with methylene chloride and, after recrystallization from ethyl acetate, there was obtained 7-chloro -4,5-dihydro-3-(3-hydroxy-1-butynyl)-5-methyl-6H-imidazo -[1,5-a][1,4]benzodiazepin-6-one of melting point 251-252° C.

후처리

  1. customAfter evaporation of the solvent the residue
  2. filtrationsuction filtered
  3. customThe material obtained
  4. washwas washed with methylene chloride
  5. customafter recrystallization from ethyl acetate

출처 및 근거

ORD 기록
ord-3c310501b7a5410fa0d8c38210d1187f
출처 데이터셋
uspto-grants-1991_06
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US05021411

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