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Hydrochloric Acid → Ethyl 4-amino-5-(4-amino-3-fluorophenyl)pyrrolo[2,1-f][1,2,4]triazine-6-carboxylate hydrochloride

HRID 73659
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HRID 73659 반응식
[NH2:1][C:2]1[C:7]2=[C:8]([C:16]3[CH:21]=[CH:20][C:19]([NH:22]C(OC(C)(C)C)=O)=[C:18]([F:30])[CH:17]=3)[C:9]([C:11]([O:13][CH2:14][CH3:15])=[O:12])=[CH:10][N:6]2[N:5]=[CH:4][N:3]=1.O1CCOCC1.[ClH:37]>CCOCC>[ClH:37].[NH2:1][C:2]1[C:7]2=[C:8]([C:16]3[CH:21]=[CH:20][C:19]([NH2:22])=[C:18]([F:30])[CH:17]=3)[C:9]([C:11]([O:13][CH2:14][CH3:15])=[O:12])=[CH:10][N:6]2[N:5]=[CH:4][N:3]=1
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5

반응물 3

HCID 313Hydrochloric AcidHCID 312751,4-DioxaneHCID 57955278Ethyl 4-amino-5-{4-[(tert-butoxycarbonyl)amino]-3-fluorophenyl}pyrrolo[2,1-f][1,2,4]triazine-6-carboxylate

생성물 1

HCID 66641083Ethyl 4-amino-5-(4-amino-3-fluorophenyl)pyrrolo[2,1-f][1,2,4]triazine-6-carboxylate hydrochloride수율 91.5%

시약·촉매·용매 1

HCID 3283Diethyl Ether
용매

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온도
60 °C

실험 절차

A suspension of ethyl 4-amino-5-{4-[(tert-butoxycarbonyl)amino]-3-fluorophenyl}pyrrolo[2,1-f][1,2,4]triazine-6-carboxylate (400 mg, 0.963 mmol) in 4 N HCl in dioxane (9.63 mL, 38.5 mmol) was heated to 60° C. for 5 min, then cooled to rt and diluted with 40 mL ether. Filtration through a teflon membrane filter gave the title compound as a yellow solid (310 mg, 91.5% yield). 1H-NMR (DMSO-d6) δ 8.33 (s, 1H), 8.14 (s, 1H), 7.16 (d, J=12 Hz, 1H), 6.96 to 7.03 (m, 2H), 4.13 (q, J=8 Hz, 2H), 1.15 (t, J=8 Hz, 3H); MS [M+H]+=316.1; LCMS RT=2.39.

후처리

  1. temperaturecooled to rt
  2. filtrationFiltration through a teflon membrane
  3. filtrationfilter

출처 및 근거

ORD 기록
ord-2c08e0bbab20465ba145c52ebb877ca1
출처 데이터셋
uspto-grants-2014_09
DOI
10.6084/m9.figshare.5104873.v1
특허 번호
US08829185B2

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