HuagongsheHuagongshe Chemistry Print Report · For research reference only
Cyclopropanecarbonyl chloride → 4''-[3-Butyl-5-oxo-1-(2-trifluoromethyl-phenyl)-1,5-dihydro-[1,2,4]triazol-4-ylmethyl]-biphenyl-2-sulfonic acid cyclopropanecarbonyl-amide
Participants
| Role | Name | HCID | Charge |
|---|---|---|---|
| Reactant | Cyclopropanecarbonyl chloride | HCID 77637 | — |
| Reactant | 5-n-Butyl-2,4-dihydro-4-[(2'-sulfamoylbiphenyl-4-yl)methyl]-2-[2-(trifluoromethyl)phenyl]-3H-1,2,4-triazol-3-one | HCID 10346902 | — |
| Product | 4''-[3-Butyl-5-oxo-1-(2-trifluoromethyl-phenyl)-1,5-dihydro-[1,2,4]triazol-4-ylmethyl]-biphenyl-2-sulfonic acid cyclopropanecarbonyl-amide | HCID 10438523 | 51% |
Reaction Steps
Following the procedure of Example 13, Step C, 5-n-butyl-2,4-dihydro-4-[(2'-sulfamoylbiphenyl-4-yl)methyl]-2-[2-(trifluoromethyl)phenyl]-3H-1,2,4-triazol-3-one (from Example 16, Step C) was reacted with cyclopropanecarbonyl chloride. Flash chromatography of the crude product on silica gel (gradient elution with 0.3-1% MeOH in CH2Cl2) gave a 51% yield of the title compound as white crystals, mp 187°-189° C.; satisfactory purity by TLC in 19:1 CH2Cl2 --MeOH; mass spectrum (FAB) m/e 599 (M+1)+.
Provenance & Evidence
| DOI | 10.6084/m9.figshare.5104873.v1 |
|---|---|
| Patent number | US05411980 |
| Source dataset | uspto-grants-1995_05 |
| ORD ID | ord-7e2697aae1244e8cbce479ad8092151d |
| Source note | uspto-grants-1995_05 |