4-Chloro-1-fluoro-2-nitrobenzene → Tert-butyl 4-(4-chloro-2-nitrophenyl)piperazine-1-carboxylate

반응식

[Cl:1][C:2]1[CH:7]=[CH:6][C:5](F)=[C:4]([N+:9]([O-:11])=[O:10])[CH:3]=1.[C:12]([N:19]1[CH2:24][CH2:23][NH:22][CH2:21][CH2:20]1)([O:14][C:15]([CH3:18])([CH3:17])[CH3:16])=[O:13]>>[Cl:1][C:2]1[CH:7]=[CH:6][C:5]([N:22]2[CH2:21][CH2:20][N:19]([C:12]([O:14][C:15]([CH3:18])([CH3:17])[CH3:16])=[O:13])[CH2:24][CH2:23]2)=[C:4]([N+:9]([O-:11])=[O:10])[CH:3]=1

참가 물질

반응물 2

HCID 676604-Chloro-1-fluoro-2-nitrobenzene

HCID 143452tert-Butyl piperazine-1-carboxylate

생성물 1

HCID 69042278Tert-butyl 4-(4-chloro-2-nitrophenyl)piperazine-1-carboxylate수율 95%

실험 절차

Method 1 was followed using 1 eq each of 4-chloro-1-fluoro-2-nitrobenzene, 1-Boc-piperazine, and TEA yielding tert-butyl 4-(4-chloro-2-nitrophenyl)piperazine-1-carboxylate (95%). LCMS (m/z): 342.0 (MH+); LC Rt=3.50 min.

출처 및 근거

ORD 기록: ord-493f2fb4bdf94f1195a23c1bda9ad657
출처 데이터셋: uspto-grants-2014_09
DOI: 10.6084/m9.figshare.5104873.v1
특허 번호: US08822497B2

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