تفاعل #64542

ord-e7e73abdfff54cb4bf9ef1ba43fbe68c

ظروف التفاعل

الظروف التفصيلية
See reaction.notes.procedure_details.

المعالجة

  1. 1
    أخرىchromatographed over silica gel

الإجراء التجريبي

This material was prepared from 2-(3-aminophenyl)-5-n-butyl-4-[[2'-[N-(2-chlorobenzoyl)sulfamoyl]biphenyl-4-yl]methyl]-2,4-dihydro-3H-1,2,4-triazol-3-one (from Example 66, Step E), sodium hydride, and valeryl chloride according to the procedure of Example 62. The crude product was flash chromatographed over silica gel to afford the title compound in 67% yield as a cream-colored solid, mp 102°-105° C., homogeneous by TLC (9:1 MeOH/CH2Cl2), mass spectrum (FAB) m/e 700 (M+1)+.

المصدر

DOI: 10.6084/m9.figshare.5104873.v1براءة الاختراع: US05411980uspto-grants-1995_05