Process for the preparation of 3-arly-benzofuranones
申请人:——
公开号:US20030018191A1
公开(公告)日:2003-01-23
Process for the preparation of compounds of formula I
1
wherein the general symbols are as defined in claim
1,
which process comprises reacting a compound of formula V
2
wherein the general symbols are as defined in claim
1,
with carbon monoxide in the presence of a catalyst.
Synthesis of 2‐Hydroxybenzophenones by Oxidation of 3‐Aryl‐3H‐benzofuran‐2‐ones
作者:Peter Nesvadba、Lucienne Bugnon、Marvin Scheffel
DOI:10.1081/scc-200026225
日期:2004.1
Oxidation of 5,7-di-tert-butyl-3-aryl-3H-benzofuran-2-ones 1 with alkaline potassium hexacyanoferrate (III) affords 3,5-di-tert-butyl-2-hydroxybenzophenones 2 in good to moderate yields.
PROCESS FOR THE PREPARATION OF 3-ARYL-BENZOFURANONES