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HuagongsheHuagongshe Chemie-Druckbericht · Nur für Forschungszwecke
HRID 36262Erstellt: 23. Oktober 2026

2-Chlorobenzoic Acid → 4''-[3-Butyl-1-(3-nitro-phenyl)-5-oxo-1,5-dihydro-[1,2,4]triazol-4-ylmethyl]-biphenyl-2-sulfonic acid 2-chloro-benzoylamide

https://huagongshe.com/de/reaction/36262

Reaktionsgleichung

Beteiligte Stoffe

RolleNameHCIDEinwaage
Edukt2-Chlorobenzoic AcidHCID 8374—
Edukt1,1'-CarbonyldiimidazoleHCID 68263—
Edukt1,8-Diazabicyclo(5.4.0)undec-7-eneHCID 81184—
Edukt5-n-Butyl-2,4-dihydro-2-(3-nitrophenyl)-4-[(2'-sulfamoylbiphenyl-4-yl)methyl]-3H-1,2,4-triazol-3-oneHCID 19939383—
Produkt4''-[3-Butyl-1-(3-nitro-phenyl)-5-oxo-1,5-dihydro-[1,2,4]triazol-4-ylmethyl]-biphenyl-2-sulfonic acid 2-chloro-benzoylamideHCID 11764788—

Reaktionsschritte

The title compound was prepared from 5-n-butyl-2,4-dihydro-2-(3-nitrophenyl)-4-[(2'-sulfamoylbiphenyl-4-yl)methyl]-3H-1,2,4-triazol-3-one (from Step C) and 2-chlorobenzoic acid (2.5 equivalents), CDI (2.5 equiv), and DBU (2.5 equiv) according to the procedure of Example 51 to give a 95% yield of the desired material as a cream-colored solid after flash chromatography, mp 92°-95° C., homogeneous by TLC in 95:5 CH2Cl2 --MeOH; mass spectrum (FAB) m/e 645 (M+1)+.

Herkunft & Nachweise

DOI10.6084/m9.figshare.5104873.v1
PatentnummerUS05411980
Quelldatensatzuspto-grants-1995_05
ORD IDord-dc3fdc02d4904d359c07cc2b438e3f61
Quellennotizuspto-grants-1995_05