作者:Jesper L Kristensen、Per Vedsø、Mikael Begtrup
DOI:10.1016/s0040-4020(02)00034-0
日期:2002.3
The synthesis of a new class of azaxanthones is presented. The N-O functionality of 1-hydroxypyrazole and 1-hydroxy-1,2,3-triazole was used to direct metalation and subsequently incorporated in the new ring systems. (C) 2002 Published by Elsevier Science Ltd.