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Acetic Acid → 9-(4-Fluorophenyl)-8-(4-((4-methylpiperazin-1-yl)methyl)phenyl)-8,9-dihydro-2H-pyrido[4,3,2-de]phthalazin-3(7H)-one

HRID 907943
ノート
印刷プレビュー

反応式

HRID 907943 の反応式
[F:1][C:2]1[CH:7]=[CH:6][C:5]([CH:8]2[C:13]3=[N:14][NH:15][C:16](=[O:21])[C:17]4[CH:18]=[CH:19][CH:20]=[C:11]([C:12]=43)[NH:10][CH:9]2[C:22]2[CH:29]=[CH:28][C:25]([CH:26]=O)=[CH:24][CH:23]=2)=[CH:4][CH:3]=1.[CH3:30][N:31]1[CH2:36][CH2:35][NH:34][CH2:33][CH2:32]1.C(O)(=O)C.C(O[BH-](OC(=O)C)OC(=O)C)(=O)C.[Na+]>ClCCl>[F:1][C:2]1[CH:3]=[CH:4][C:5]([CH:8]2[C:13]3=[N:14][NH:15][C:16](=[O:21])[C:17]4[CH:18]=[CH:19][CH:20]=[C:11]([C:12]=43)[NH:10][CH:9]2[C:22]2[CH:23]=[CH:24][C:25]([CH2:26][N:34]3[CH2:35][CH2:36][N:31]([CH3:30])[CH2:32][CH2:33]3)=[CH:28][CH:29]=2)=[CH:6][CH:7]=1
参加物実験手順後処理出典と根拠反応ノート

参加物

6

反応物 4

HCID 176Acetic AcidHCID 531671-MethylpiperazineHCID 5049666Sodium triacetoxyborohydrideHCID 1363447494-(9-(4-fluorophenyl)-3-oxo-3,7,8,9-tetrahydro-2H-pyrido[4,3,2-de]phthalazin-8-yl)benzaldehyde

生成物 1

HCID 1361863199-(4-Fluorophenyl)-8-(4-((4-methylpiperazin-1-yl)methyl)phenyl)-8,9-dihydro-2H-pyrido[4,3,2-de]phthalazin-3(7H)-one収率 26.2%

試薬・触媒・溶媒 1

HCID 6344Dichloromethane溶媒

実験手順

A mixture of 4-(9-(4-fluorophenyl)-3-oxo-3,7,8,9-tetrahydro-2H-pyrido[4,3,2-de]phthalazin-8-yl)benzaldehyde (150 mg, 0.39 mmol), N-methylpiperazine (117 mg, 1.17 mmol) and acetic acid (117 mg, 1.95 mmol) in dichloromethane (20 mL) was stirred at room temperature overnight. Then the mixture was cooled to 0° C. and sodium triacetoxyborohydride (124 mg, 0.58 mmol) was added. After the addition, the mixture was stirred at room temperature for 5 h. Dichloromethane was removed under reduced pressure. The crude product was purified by prep-HPLC to give the title compound (48 mg, yield 22%). 1H-NMR (400 MHz, CD3OD) δ (ppm): 3.02 (s, 3H), 3.60-3.81 (m, 8H), 4.36-4.38 (d, J=7.6 Hz, 1H), 4.47 (s, 2H), 4.80-4.82 (d, J=7.6 Hz, 1H), 6.93-6.97 (m, 2H), 7.12-7.15 (m, 2H), 7.22-7.24 (m, 1H), 7.43-7.45 (m, 2H), 7.52-7.57 (m, 3H), 7.64-7.68 (m, 1H). LC-MS (ESI) m/z: 470 (M+1)+.

後処理

  1. temperatureThen the mixture was cooled to 0° C.
  2. additionAfter the addition
  3. stirringthe mixture was stirred at room temperature for 5 h
  4. customDichloromethane was removed under reduced pressure
  5. customThe crude product was purified by prep-HPLC

出典と根拠

ORDレコード
ord-155d26e11fab472da140ab2bfbecb6a3
出典データセット
uspto-grants-2011_09
DOI
10.6084/m9.figshare.5104873.v1
特許番号
US08012976B2

反応ノート

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