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Hydrochloric Acid → 2-(4-(3-Ethoxy-4-hydroxy-5-nitrophenyl)-2-oxo-6-phenyl-1,2,3,4-tetrahydropyrimidin-5-yl)benzonitrile

HRID 2177925
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HRID 2177925 반응식
Br[C:2]1[CH:7]=[CH:6][C:5]([C:8]2[NH:13][C:12](=[O:14])[NH:11][CH:10]([C:15]3[CH:20]=[C:19]([N+:21]([O-:23])=[O:22])[C:18]([OH:24])=[C:17]([O:25][CH2:26][CH3:27])[CH:16]=3)[C:9]=2[C:28]2[CH:33]=[CH:32][CH:31]=[CH:30][CH:29]=2)=[CH:4][CH:3]=1.C(OC1C=C(C=[C:43]([N+:46]([O-])=O)C=1O)C=O)C.NC(N)=O.Cl>CCO>[CH2:26]([O:25][C:17]1[CH:16]=[C:15]([CH:10]2[C:9]([C:28]3[CH:33]=[CH:32][CH:31]=[CH:30][C:29]=3[C:43]#[N:46])=[C:8]([C:5]3[CH:6]=[CH:7][CH:2]=[CH:3][CH:4]=3)[NH:13][C:12](=[O:14])[NH:11]2)[CH:20]=[C:19]([N+:21]([O-:23])=[O:22])[C:18]=1[OH:24])[CH3:27]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

6

반응물 4

HCID 313Hydrochloric AcidHCID 1176UreaHCID 5848783-Ethoxy-4-hydroxy-5-nitrobenzaldehydeHCID 513479326-(4-bromophenyl)-4-(3-ethoxy-4-hydroxy-5-nitrophenyl)-5-phenyl-3,4-dihydropyrimidin-2(1H)-one2회

생성물 1

HCID 513485182-(4-(3-Ethoxy-4-hydroxy-5-nitrophenyl)-2-oxo-6-phenyl-1,2,3,4-tetrahydropyrimidin-5-yl)benzonitrile수율 29%

시약·촉매·용매 1

HCID 702Ethanol용매

실험 절차

A mixture of 2-(2-oxo-2-phenylethyl)benzonitrile (Intermediate 33) (100 mg, 0.45 mmol), 3-ethoxy-4-hydroxy-5-nitrobenzaldehyde (87 mg, 0.41 mmol), urea (81 mg, 1.36 mmol), and concentrated HCl solution (0.03 mL, 0.41 mmol) in EtOH (5 mL) was refluxed overnight. The mixture was concentrated, and purified by preparative HPLC to give Compound 70 (54.26 mg, yield 29%) as a yellow solid. 1H NMR (DMSO-d6 300 MHz): δ 10.24 (s, 1H), 8.91 (s, 1H), 7.61 (s, 1H), 7.51-7.44 (m, 2H), 7.31 (s, 1H), 7.24-7.16 (m, 4H), 7.13-7.08 (m, 3H), 5.37 (s, 1H), 3.99-3.93 (m, 2H), 1.31 (t, J=6.8 Hz, 3H); MS (ESI): m/z 456.8 [M+1]+.

후처리

  1. temperaturewas refluxed overnight
  2. concentrationThe mixture was concentrated
  3. custompurified by preparative HPLC

출처 및 근거

ORD 기록
ord-28e3e82b9a41403eb4e87a69b6bba8df
출처 데이터셋
uspto-grants-2015_06
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US09067893B2

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