[2'-(N-t-Butylsulfamoyl)biphenyl-4-yl]methyl bromide → 2-(2-Bromo-5-nitrophenyl)-4-[[2'-(N-t-butylsulfamoyl)biphenyl-4-yl]methyl]-5-n-butyl-2,4-dihydro-3H-1,2,4-triazol-3-one

HRID 36277

Reaktionsgleichung

Reaktionsgleichung von HRID 36277
[Br:1][C:2]1[CH:7]=[CH:6][C:5]([N+:8]([O-:10])=[O:9])=[CH:4][C:3]=1[N:11]1[C:15](=[O:16])[NH:14][C:13]([CH2:17][CH2:18][CH2:19][CH3:20])=[N:12]1.[C:21]([NH:25][S:26]([C:29]1[CH:34]=[CH:33][CH:32]=[CH:31][C:30]=1[C:35]1[CH:40]=[CH:39][C:38]([CH2:41]Br)=[CH:37][CH:36]=1)(=[O:28])=[O:27])([CH3:24])([CH3:23])[CH3:22]>>[Br:1][C:2]1[CH:7]=[CH:6][C:5]([N+:8]([O-:10])=[O:9])=[CH:4][C:3]=1[N:11]1[C:15](=[O:16])[N:14]([CH2:41][C:38]2[CH:39]=[CH:40][C:35]([C:30]3[CH:31]=[CH:32][CH:33]=[CH:34][C:29]=3[S:26](=[O:28])(=[O:27])[NH:25][C:21]([CH3:22])([CH3:24])[CH3:23])=[CH:36][CH:37]=2)[C:13]([CH2:17][CH2:18][CH2:19][CH3:20])=[N:12]1

Komponenten

3

Versuchsvorschrift

The alkylation of 2-(2-bromo-5-nitrophenyl)-5-n-butyl-2,4-dihydro-3H-1,2,4-triazol-3-one (from Step A) with [2'-(N-t-butylsulfamoyl)-biphenyl-4-yl]methyl bromide (from Example 12, Step D) was carried out according to the procedure of Example 13, Step A, to give a 92% yield of the title compound as a yellow solid, mp 126°-128° C.; homogeneous by TLC in 98:2 CH2Cl2 --MeOH; mass spectrum (FAB) m/e 642, 644 (M+1)+.

Quellen und Nachweise

ORD-Eintrag
ord-efaccb8a782d42b8af7303a45639d2b3
Quelldatensatz
uspto-grants-1995_05
Patentnummer
US05411980

Verknüpfte Notizen

Wird geladen…