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4-{4-[2-(2-Hydroxy-phenyl)-7-methyl-quinazolin-4-yl]-piperazin-1-yl}-4-oxo-but-2-enoic acid ethyl ester → 4-Hydroxy-1-{4-[2-(2-hydroxy-phenyl)-7-methyl-quinazolin-4-yl]-piperazin-1-yl}-4-methyl-pent-2-en-1-one

HRID 2079276
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인쇄 미리보기

반응식

HRID 2079276 반응식
C(OC(=O)[CH:5]=[CH:6][C:7]([N:9]1[CH2:14][CH2:13][N:12]([C:15]2[C:24]3[C:19](=[CH:20][C:21]([CH3:25])=[CH:22][CH:23]=3)[N:18]=[C:17]([C:26]3[CH:31]=[CH:30][CH:29]=[CH:28][C:27]=3[OH:32])[N:16]=2)[CH2:11][CH2:10]1)=[O:8])C.C[Mg]Br>C(OCC)C.O.C(Cl)Cl>[OH:32][C:27]([CH3:28])([CH3:26])[CH:5]=[CH:6][C:7]([N:9]1[CH2:10][CH2:11][N:12]([C:15]2[C:24]3[C:19](=[CH:20][C:21]([CH3:25])=[CH:22][CH:23]=3)[N:18]=[C:17]([C:26]3[CH:31]=[CH:30][CH:29]=[CH:28][C:27]=3[OH:32])[N:16]=2)[CH2:13][CH2:14]1)=[O:8]
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참가 물질

6

반응물 2

HCID 1364122494-{4-[2-(2-Hydroxy-phenyl)-7-methyl-quinazolin-4-yl]-piperazin-1-yl}-4-oxo-but-2-enoic acid ethyl esterHCID 178418573HCID 178418573, 화합물

생성물 1

HCID 1364122504-Hydroxy-1-{4-[2-(2-hydroxy-phenyl)-7-methyl-quinazolin-4-yl]-piperazin-1-yl}-4-methyl-pent-2-en-1-one

시약·촉매·용매 3

HCID 962Water용매HCID 3283Diethyl Ether용매
HCID 6344Dichloromethane용매

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온도
0 °C

실험 절차

To 4-{4-[2-(2-hydroxy-phenyl)-7-methyl-quinazolin-4-yl]-piperazin-1-yl}-4-oxo-but-2-enoic acid ethyl ester (655 mg, 1.47 mmol) in 2 mL of diethyl ether at −20° C. was added methyl magnesium bromide (8.4 mL, 11.7 mmol, 1.4 M THF/Toluene), and the reaction mixture was allowed to warm to 0° C. over 15 minutes The mixture was diluted with 10 mL of water and 15 mL of CH2Cl2. The resulting emulsion was filtered, and the organic layer was separated and dried over Na2SO4. The solvent was removed under reduced pressure to give the alcohol. LC/MS: m/z 433.5 (M+H)+ at 2.56 min (10%-99% CH3CN (0.035% TFA)/H2O (0.05% TFA)).

후처리

  1. filtrationThe resulting emulsion was filtered
  2. customthe organic layer was separated
  3. dry with materialdried over Na2SO4
  4. customThe solvent was removed under reduced pressure

출처 및 근거

ORD 기록
ord-5bd6ed1a63ee436eba11101d09a01950
출처 데이터셋
uspto-grants-2011_04
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US07928107B2

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