تفاعل #83840

معادلة التفاعل

chloro-oxo-acetic acid 2-oxo-3-phenyl-2,3-dihydro-benzofuran-5-yl ester

p-nitrophenol

→

oxalic acid (4-nitro-phenyl) ester (2-oxo-3-phenyl-2,3-dihydro-benzofuran-5-yl) ester

المردود 33.0%

المذيبات

toluene

ظروف التفاعل

المعالجة

1. 1
   أخرىgave

الإجراء التجريبي

Reaction of chloro-oxo-acetic acid 2-oxo-3-phenyl-2,3-dihydro-benzofuran-5-yl ester prepared as Example 11 reacted in toluene at the reflux with p-nitrophenol gave after purification oxalic acid (4-nitro-phenyl) ester (2-oxo-3-phenyl-2,3-dihydro-benzofuran-5-yl) ester (33% yield). Analysis C,63.5; H,3.3; N,3.5; C22H13NO8 requires C,63.0; H,3.1; N,3.3%. Mass Spectrometry shows a molecular ion at 419.

المصدر