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Phosphorus sulfide (P2S5) → 2-(4-Nitrophenyl)thiazolo[4,5-c]pyridine

HRID 1393751
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HRID 1393751 반응식
O[C:2]1[CH:7]=[CH:6][N:5]=[CH:4][C:3]=1[NH:8][C:9](=O)[C:10]1[CH:15]=[CH:14][C:13]([N+:16]([O-:18])=[O:17])=[CH:12][CH:11]=1.P12(SP3(SP(SP(S3)(S1)=S)(=S)S2)=S)=[S:21]>N1C=CC=CC=1.CC1C=CC(C)=CC=1>[N+:16]([C:13]1[CH:14]=[CH:15][C:10]([C:9]2[S:21][C:2]3[CH:7]=[CH:6][N:5]=[CH:4][C:3]=3[N:8]=2)=[CH:11][CH:12]=1)([O-:18])=[O:17]
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참가 물질

5

반응물 2

HCID 14817Phosphorus sulfide (P2S5)HCID 178522384HCID 178522384, 화합물

생성물 1

HCID 217706482-(4-Nitrophenyl)thiazolo[4,5-c]pyridine수율 59%

시약·촉매·용매 2

HCID 1049Pyridine용매HCID 7809P-Xylene용매

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온도
140 °C

실험 절차

A mixture of N-(4-hydroxypyridin-3-yl)-4-nitrobenzamide (5.18 g, 0.02 mol) and P2S5 (8.90 g, 0.04 mol) in pyridine (25 mL) and p-xylene (100 mL) was stirred at 140° C. for 18 h. The solvent was removed under vacuo while hot and the residue was purified by recrystallization from EtOH to afford 2-(4-nitrophenyl)thiazolo[4,5-c]pyridine as a yellow solid (3.00 g, yield: 59%). MS (ESI), calcd for C12H7N3O2S (m/z): 257, found: 258 [M+1]+.

후처리

  1. customThe solvent was removed under vacuo while hot and the residue
  2. customwas purified by recrystallization from EtOH

출처 및 근거

ORD 기록
ord-3cae465976b44cee80de9aea2f95552c
출처 데이터셋
uspto-grants-2008_03
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07345178B2

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