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1,2-Dimethoxyethane → 5-(4,4-Dimethyl-2-thioxo-1,4-dihydro-2H-3,1-benzoxazin-6-yl)-1H-pyrrole-2-carbonitrile

HRID 269401
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HRID 269401 반응식
[CH3:1][C:2]1([CH3:20])[C:7]2[CH:8]=[C:9]([C:12]3[NH:16][C:15]([C:17]#[N:18])=[CH:14][CH:13]=3)[CH:10]=[CH:11][C:6]=2[NH:5][C:4](=O)[O:3]1.COC1C=CC(P2(SP(C3C=CC(OC)=CC=3)(=S)S2)=[S:30])=CC=1.COCCOC>C(#N)C>[CH3:1][C:2]1([CH3:20])[C:7]2[CH:8]=[C:9]([C:12]3[NH:16][C:15]([C:17]#[N:18])=[CH:14][CH:13]=3)[CH:10]=[CH:11][C:6]=2[NH:5][C:4](=[S:30])[O:3]1
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참가 물질

5

반응물 3

HCID 80711,2-DimethoxyethaneHCID 87949Lawesson's reagentHCID 102209945-(4,4-Dimethyl-oxo-1,4-dihydro-2H-3,1-benzoxazine-6-yl)-1H-pyrrole-carbonitrile

생성물 1

HCID 103790915-(4,4-Dimethyl-2-thioxo-1,4-dihydro-2H-3,1-benzoxazin-6-yl)-1H-pyrrole-2-carbonitrile

시약·촉매·용매 1

HCID 6342Acetonitrile용매

실험 절차

5-(4,4-Dimethyl-2-oxo-1,4-dihydro-2H-3,1-benzoxazin-6-yl)-1H-pyrrole-2-carbonitrile (14.5 kg), Lawesson's Reagent (12.1 kg, 1.16 eq.), DME (215 kg), and acetonitrile (8.96 kg) were combined and heated to reflux for at least 4 hours at less than 16 hours to form unpurified 5-(4,4-dimethyl-2-thioxo-1,4-dihydro-2H-3,1-benzoxazin-6-yl)-1H-pyrrole-2-carbonitrile. The mixture was cooled to 18 to 28° C., quenched with water (276 kg), cooled to 10 to 20° C., stirred for at least 30 minutes, and the resulting slurry collected via filtration.

후처리

  1. temperatureheated
  2. temperatureto reflux for at least 4 hours at less than 16 hours

출처 및 근거

ORD 기록
ord-82512bcbe6eb4805960d52316222cd1b
출처 데이터셋
uspto-grants-2008_11
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07446211B2

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