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Formaldehyde → 6-tert-butyl-8-fluoro-2-(2-hydroxymethyl-3-{1-methyl-5-[5-(6-methyl-2,6-diaza-spiro[3.3]hept-2-yl)-pyridin-2-ylamino]-6-oxo-1,6-dihydro-pyridazin-3-yl}-phenyl)-2H-phthalazin-1-one

HRID 1431092
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HRID 1431092 반응식
[CH2:1]1[C:4]2([CH2:7][NH:6][CH2:5]2)[CH2:3][N:2]1[C:8]1[CH:9]=[CH:10][C:11]([NH:14][C:15]2[C:20](=[O:21])[N:19]([CH3:22])[N:18]=[C:17]([C:23]3[C:24]([CH2:45][OH:46])=[C:25]([N:29]4[N:38]=[CH:37][C:36]5[C:31](=[C:32]([F:43])[CH:33]=[C:34]([C:39]([CH3:42])([CH3:41])[CH3:40])[CH:35]=5)[C:30]4=[O:44])[CH:26]=[CH:27][CH:28]=3)[CH:16]=2)=[N:12][CH:13]=1.C=O.[C:49]([BH3-])#N.[Na+]>CO>[C:39]([C:34]1[CH:35]=[C:36]2[C:31](=[C:32]([F:43])[CH:33]=1)[C:30](=[O:44])[N:29]([C:25]1[CH:26]=[CH:27][CH:28]=[C:23]([C:17]3[CH:16]=[C:15]([NH:14][C:11]4[CH:10]=[CH:9][C:8]([N:2]5[CH2:3][C:4]6([CH2:7][N:6]([CH3:49])[CH2:5]6)[CH2:1]5)=[CH:13][N:12]=4)[C:20](=[O:21])[N:19]([CH3:22])[N:18]=3)[C:24]=1[CH2:45][OH:46])[N:38]=[CH:37]2)([CH3:40])([CH3:41])[CH3:42]
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참가 물질

5

반응물 3

HCID 712FormaldehydeHCID 5003444Sodium cyanoborohydrideHCID 667419712-(3-(5-(5-(2,6-diazaspiro[3.3]heptan-2-yl)pyridin-2-ylamino)-1-methyl-6-oxo-1,6-dihydropyridazin-3-yl)-2-(hydroxymethyl)phenyl)-6-tert-butyl-8-fluorophthalazin-1(2H)-one

생성물 1

HCID 566556676-tert-butyl-8-fluoro-2-(2-hydroxymethyl-3-{1-methyl-5-[5-(6-methyl-2,6-diaza-spiro[3.3]hept-2-yl)-pyridin-2-ylamino]-6-oxo-1,6-dihydro-pyridazin-3-yl}-phenyl)-2H-phthalazin-1-one
수율 221.5%

시약·촉매·용매 1

HCID 887Methanol용매

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온도
25 °C

실험 절차

In a 25 mL round-bottomed flask, 2-(3-(5-(5-(2,6-diazaspiro[3.3]heptan-2-yl)pyridin-2-ylamino)-1-methyl-6-oxo-1,6-dihydropyridazin-3-yl)-2-(hydroxymethyl)phenyl)-6-tert-butyl-8-fluorophthalazin-1(2H)-one (146 mg, 234 μmol), 30% formaldehyde (42.2 mg, 38.8 μl, 1.41 mmol) and sodium cyanoborohydride (177 mg, 2.81 mmol) were combined with methanol (9 ml) to give an orange solution. The reaction mixture was stirred at 25° C. for 4 h. The crude reaction mixture was concentrated in vacuo, diluted with 10 mL 0.1 M NaOH and extracted with DCM (3×15 mL). The organic layers were dried over Na2SO4 and concentrated in vacuo. The crude material was purified by flash chromatography (silica gel, 40 g, 0% to 10% MeOH in DCM). The light yellow powder was dried under vacuum at 25° C. for 3 hrs to give 0.33 g (22%) of the title compound. (M+H)+=637 m/e. 1H NMR (300 MHz, CHLOROFORM-d) δ: 8.37 (s, 1H), 8.28 (d, J=2.3 Hz, 1H), 8.13 (s, 1H), 7.38-7.71 (m, 6H), 6.75-6.93 (m, 2H), 4.40 (s, 2H), 3.96 (s, 4H), 3.88 (s, 3H), 3.47 (s, 4H), 2.37 (s, 3H), 1.42 (s, 9H).

후처리

  1. customto give an orange solution
  2. customThe crude reaction mixture
  3. concentrationwas concentrated in vacuo
  4. additiondiluted with 10 mL 0.1 M NaOH
  5. extractionextracted with DCM (3×15 mL)
  6. dry with materialThe organic layers were dried over Na2SO4
  7. concentrationconcentrated in vacuo
  8. customThe crude material was purified by flash chromatography (silica gel, 40 g, 0% to 10% MeOH in DCM)
  9. customThe light yellow powder was dried under vacuum at 25° C. for 3 hrs

출처 및 근거

ORD 기록
ord-7f4534a1e89f417eb74ad62a37277d91
출처 데이터셋
uspto-grants-2015_01
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08940741B2

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