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

HRID 1607012
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HRID 1607012 반응식
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.[CH3:18][CH:19]([OH:22])[C:20]#[CH:21]>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>[OH:22][CH:19]([CH3:18])[C:20]#[C:21][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
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

7

반응물 2

HCID 162393-Butyn-2-olHCID 198306774,5-dihydro-3-iodo-5-methyl-6H-imidazo[1,5-a][1,4]benzodiazepin-6-one

생성물 1

HCID 198516014,5-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)촉매HCID 178418476
HCID 178418476, 화합물
촉매
HCID 111,2-Dichloroethane용매
HCID 8021Diethylamine용매

실험 절차

6.78 g (20 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 7 hours with 1.75 g (25 mmol) of 3-butyn-2-ol, 70 mg of bis-(triphenylphosphine)-palladium(II) dichloride and 15 mg of copper(I) iodide in 50 ml of diethylamine and 30 ml of ethylene chloride. The reaction mixture was evaporated and the residue was chromatographed on silica gel while eluting with ethyl acetate. After recrystallization from ethyl acetate and hexane there was obtained 4,5-dihydro-3-(3-hydroxy-1-butynyl)-5-methyl-6H-imidazo[1,5-a][1,4]benzodiazepin-6-one of melting point 161°-162°.

후처리

  1. customThe reaction mixture was evaporated
  2. customthe residue was chromatographed on silica gel
  3. washwhile eluting with ethyl acetate
  4. customAfter recrystallization from ethyl acetate

출처 및 근거

ORD 기록
ord-42dcc1251104485b85e9527b922b46f9
출처 데이터셋
uspto-grants-1989_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US04863920

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