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Sodium Hydroxide → 2-(2-isopropyl-2H-[1,2,4]triazol-3-yl)-4,5-dihydro-6-oxa-1,3a-diaza-benzo[e]azulen-8-ol

HRID 886490
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HRID 886490 반응식
CC1(C)COB([C:8]2[CH:29]=[CH:28][C:11]3[C:12]4[N:16]([CH2:17][CH2:18][O:19][C:10]=3[CH:9]=2)[CH:15]=[C:14]([C:20]2[N:21]([CH:25]([CH3:27])[CH3:26])[N:22]=[CH:23][N:24]=2)[N:13]=4)OC1.Cl.N[OH:33].[OH-].[Na+]>[Cl-].[NH4+]>[CH:25]([N:21]1[C:20]([C:14]2[N:13]=[C:12]3[C:11]4[CH:28]=[CH:29][C:8]([OH:33])=[CH:9][C:10]=4[O:19][CH2:18][CH2:17][N:16]3[CH:15]=2)=[N:24][CH:23]=[N:22]1)([CH3:27])[CH3:26]
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참가 물질

5

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HCID 14798Sodium Hydroxide2회HCID 443297Hydroxyamine hydrochloride2회HCID 582047108-(5,5-dimethyl-[1,3,2]dioxaborinan-2-yl)-2-(2-isopropyl-2H-[1,2,4]triazol-3-yl)-4,5-dihydro-6-oxa-1,3a-diaza-benzo[e]azulene

생성물 1

HCID 1360309202-(2-isopropyl-2H-[1,2,4]triazol-3-yl)-4,5-dihydro-6-oxa-1,3a-diaza-benzo[e]azulen-8-ol수율 127.7%

시약·촉매·용매 1

HCID 25517
Ammonium Chloride
용매

실험 절차

To a solution of 8-(5,5-dimethyl-[1,3,2]dioxaborinan-2-yl)-2-(2-isopropyl-2H-[1,2,4]triazol-3-yl)-4,5-dihydro-6-oxa-1,3a-diaza-benzo[e]azulene (473 mg, 1.16 mmol) in IMS (10 mL) was added hydroxylamine hydrochloride (242 mg, 0.39 mmol) and sodium hydroxide (186 mg, 4.65 mmol) and the reaction mixture stirred at RT for 18 h. Further quantities of hydroxylamine hydrochloride (242 mg, 0.39 mmol) and sodium hydroxide (186 mg, 4.65 mmol) were added and stirring continued for 3 h. The reaction mixture was diluted with ammonium chloride solution (20 mL, saturated) and extracted with ethyl acetate (3×10 mL). The combined organic extracts were dried (MgSO4), concentrated in vacuo and the resultant residue subjected to flash chromatography (SiO2, gradient 0-5% methanol in DCM) to yield 490 as a white solid (155 mg, 43%). 1H NMR (400 MHz, CDCl3) δ 8.29 (1H, d, J=8.4 Hz), 7.88 (1H, s), 7.59 (1H, s), 6.64 (1H, dd, J=8.4, 2.6 Hz), 6.48 (1H, d, J=2.6 Hz), 5.99 (1H, sept, J=6.7 Hz), 4.44-4.32 (4H, m), 1.58 (6H, d, J=6.7 Hz).

후처리

  1. stirringstirring
  2. waitcontinued for 3 h
  3. extractionextracted with ethyl acetate (3×10 mL)
  4. dry with materialThe combined organic extracts were dried (MgSO4)
  5. concentrationconcentrated in vacuo

출처 및 근거

ORD 기록
ord-0cfa83208a214d8c995ccc438ba82279
출처 데이터셋
uspto-grants-2012_08
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08242104B2

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