3-Hydrazino-6,7-dihydro-5h-benzo[6,7]cyclohepta[1,2-c]pyridazine → 1-(6,7-dihydro-5H-benzo[6,7]cyclohepta[1,2-c]pyridazin-3-yl)-N3-(4-(2-(pyrrolidin-1-yl)ethoxy)phenyl)-1H-1,2,4-triazole-3,5-diamine

HRID 1919474노트

반응식

HRID 1919474 반응식
[NH:1]([C:3]1[N:8]=[N:7][C:6]2[C:9]3[CH:17]=[CH:16][CH:15]=[CH:14][C:10]=3[CH2:11][CH2:12][CH2:13][C:5]=2[CH:4]=1)[NH2:2].[C:18](/[N:20]=[C:21](\OC1C=CC=CC=1)/[NH:22][C:23]1[CH:28]=[CH:27][C:26]([O:29][CH2:30][CH2:31][N:32]2[CH2:36][CH2:35][CH2:34][CH2:33]2)=[CH:25][CH:24]=1)#[N:19]>C(O)(C)C>[N:7]1[C:6]2[C:9]3[CH:17]=[CH:16][CH:15]=[CH:14][C:10]=3[CH2:11][CH2:12][CH2:13][C:5]=2[CH:4]=[C:3]([N:1]2[C:18]([NH2:19])=[N:20][C:21]([NH:22][C:23]3[CH:24]=[CH:25][C:26]([O:29][CH2:30][CH2:31][N:32]4[CH2:33][CH2:34][CH2:35][CH2:36]4)=[CH:27][CH:28]=3)=[N:2]2)[N:8]=1

참가 물질

4

실험 절차

Diphenylcyanocarbonimidate (1.1 equiv) and 4-(2-(pyrrolidin-1-yl)ethoxy)aniline (1 equiv) were stirred in iso-propyl alcohol at ambient temperature overnight. The resulting white precipitate was filtered and washed with iso-propyl alcohol and dried to yield (Z)-phenyl N′-cyano-N-(4-(2-(pyrrolidin-1-yl)ethoxy)phenyl)carbamimidate. 3-Hydrazino-6,7-dihydro-5H-benzo[6,7]cyclohepta[1,2-c]pyridazine (82 mg, 0.36 mMol) and (Z)-phenyl N′-cyano-N-(4-(2-(pyrrolidin-1-yl)ethoxy)phenyl)carbamimidate (128 mg, 0.36 mMol) were suspended in isopropanol (3 mL) and subjected to microwave irradiation (150° C., 20 min). The precipitate which formed in the microwave vial was re-dissolved in hot isopropanol. The mixture was cooled to ambient temperature and then filtered to give 1-(6,7-dihydro-5H-benzo[6,7]cyclohepta[1,2-c]pyridazin-3-yl)-N3-(4-(2-(pyrrolidin-1-yl)ethoxy)phenyl)-1H-1,2,4-triazole-3,5-diamine, compound #1, as a yellow solid, 23 mg. 1H NMR (CDCl3, 300 MHz) 7.90 (s, 1H), 7.83 (t, 1H), 7.43 (m, 3H), 7.29 (t, 1H), 6.93 (d, 1H), 6.83 (br s, 2H), 6.39 (s, 1H), 4.17 (m, 2H), 2.98 (m, 2H), 2.60-2.80 (m, 8H), 2.32 (m, 2H), 1.87 (m, 4H) ppm; MS (ES) 483.16 (M+H).

후처리

  1. customsubjected to microwave irradiation (150° C., 20 min)
  2. customThe precipitate which formed in the microwave vial
  3. filtrationfiltered

출처 및 근거

ORD 기록
ord-13132ca822ae4db3864d5a5f1660826c
출처 데이터셋
uspto-grants-2012_05
특허 번호
US08168636B2

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