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Butyl isocyanate → 7-n-butylaminocarbonyloxy-6-(7-chloro-1,8-naphthyridin-2-yl)-5-oxo-6,7-dihydro-5H-pyrrolo[3,4-b]pyridine

HRID 66348
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인쇄 미리보기

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HRID 66348 반응식
[Cl:1][C:2]1[N:11]=[C:10]2[C:5]([CH:6]=[CH:7][C:8]([N:12]3[C:20](=[O:21])[C:19]4[C:14](=[N:15][CH:16]=[CH:17][CH:18]=4)[CH:13]3[OH:22])=[N:9]2)=[CH:4][CH:3]=1.[CH2:23]([N:27]=[C:28]=[O:29])[CH2:24][CH2:25][CH3:26].C(N(CC)CC)C>C(#N)C>[CH2:23]([NH:27][C:28]([O:22][CH:13]1[C:14]2=[N:15][CH:16]=[CH:17][CH:18]=[C:19]2[C:20](=[O:21])[N:12]1[C:8]1[CH:7]=[CH:6][C:5]2[C:10](=[N:11][C:2]([Cl:1])=[CH:3][CH:4]=2)[N:9]=1)=[O:29])[CH2:24][CH2:25][CH3:26]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 8110Butyl isocyanate2회HCID 8471Triethylamine2회HCID 227547356-(7-chloro-1,8-naphthyridin-2-yl)-7-hydroxy-5-oxo-6,7-dihydro-5H-pyrrolo[3,4-b]pyridine

생성물 1

HCID 227547617-n-butylaminocarbonyloxy-6-(7-chloro-1,8-naphthyridin-2-yl)-5-oxo-6,7-dihydro-5H-pyrrolo[3,4-b]pyridine

시약·촉매·용매 1

HCID 6342Acetonitrile
용매

실험 절차

A suspension of 6-(7-chloro-1,8-naphthyridin-2-yl)-7-hydroxy-5-oxo-6,7-dihydro-5H-pyrrolo[3,4-b]pyridine (1 g.) in acetonitrile (100 cc.) containing n-butyl isocyanate (7.25 cc.) and triethylamine (0.5 cc.) is heated at the reflux temperature for 1 hour 30 minutes. n-Butyl isocyanate (7.25 cc.) and triethylamine (0.5 cc.) are then added and heating at the reflux temperature is continued for a further 3 hours. The solution is filtered and the filtrate is concentrated under reduced pressure (40 mm.Hg). The residue obtained is triturated with diisopropyl ether (20 cc.). The solid is filtered off and is recrystallised from acetonitrile (35 cc.) to give 7-n-butylaminocarbonyloxy-6-(7-chloro-1,8-naphthyridin-2-yl)-5-oxo-6,7-dihydro-5H-pyrrolo[3,4-b]pyridine (0.96 g.) melting at 215° C.

후처리

  1. temperatureis heated at the reflux temperature for 1 hour 30 minutes
  2. temperatureheating at the reflux temperature
  3. filtrationThe solution is filtered
  4. concentrationthe filtrate is concentrated under reduced pressure (40 mm.Hg)
  5. customThe residue obtained
  6. customis triturated with diisopropyl ether (20 cc.)
  7. filtrationThe solid is filtered off
  8. customis recrystallised from acetonitrile (35 cc.)

출처 및 근거

ORD 기록
ord-db1d680b3d424e99837d61fc7980ceee
출처 데이터셋
uspto-grants-1978_12
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US04131674

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