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Triethylamine → [(E)-1-[3-[1-(7-fluoroquinolin-6-yl)ethyl]imidazo[1,2-b]pyridazin-6-yl]ethylideneamino]urea

HRID 456088
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HRID 456088 반응식
[F:1][C:2]1[CH:11]=[C:10]2[C:5]([CH:6]=[CH:7][CH:8]=[N:9]2)=[CH:4][C:3]=1[CH:12]([C:14]1[N:18]2[N:19]=[C:20]([C:23](=O)[CH3:24])[CH:21]=[CH:22][C:17]2=[N:16][CH:15]=1)[CH3:13].Cl.[NH2:27][NH:28][C:29]([NH2:31])=[O:30].C(N(CC)CC)C>CO>[F:1][C:2]1[CH:11]=[C:10]2[C:5]([CH:6]=[CH:7][CH:8]=[N:9]2)=[CH:4][C:3]=1[CH:12]([C:14]1[N:18]2[N:19]=[C:20](/[C:23](=[N:27]/[NH:28][C:29]([NH2:31])=[O:30])/[CH3:24])[CH:21]=[CH:22][C:17]2=[N:16][CH:15]=1)[CH3:13]
참가 물질실험 절차후처리출처 및 근거반응 노트

참가 물질

5

반응물 3

HCID 8471TriethylamineHCID 11236Semicarbazide hydrochlorideHCID 581905731-(3-(1-(7-Fluoroquinolin-6-yl)ethyl)imidazo[1,2-b]pyridazin-6-yl)ethanone

생성물 1

HCID 71699891[(E)-1-[3-[1-(7-fluoroquinolin-6-yl)ethyl]imidazo[1,2-b]pyridazin-6-yl]ethylideneamino]urea수율 54%

시약·촉매·용매 1

HCID 887Methanol용매

실험 절차

To a solution of 1-(3-(1-(7-fluoroquinolin-6-yl)ethyl)imidazo[1,2-b]pyridazin-6-yl)ethanone (60 mg, 0.18 mmol) in methanol (10 ml) was added semicarbazide hydrochloride (40 mg, 0.36 mmol). Triethyl amine was added dropwise to adjust the pH to 5-6. The reaction mixture was stirred at room temperature overnight. The precipitate was collected by filtration and dried over vacuum pump to afford 38 mg (yield: 54%) title compound as a white solid. 1H-NMR (400 MHz, DMSO-d6) δ ppm 9.62 (s, 1H), 8.84 (d, 1H), 8.26 (d, 1H), 8.15 (d, 1H), 7.96 (d, 1H), 7.77 (m, 3H), 7.44 (q, 1H), 6.69 (b, 2H), 5.03 (t, 1H), 2.07 (s, 3H), 1.83 (d, 3H). LCMS (method A): [MH]+=392, tR=4.88 min.

후처리

  1. filtrationThe precipitate was collected by filtration
  2. customdried over vacuum pump

출처 및 근거

ORD 기록
ord-f1c9cce7266d4b33a738d496dab8df7f
출처 데이터셋
uspto-grants-2013_07
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08497368B2

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