Synthesis of pyrazole-3-carboxylates and pyrazole-1,5-dicarboxylates by one-pot cyclization of hydrazone dianions with diethyl oxalate
作者:Tung T. Dang、Tuan T. Dang、Christine Fischer、Helmar Görls、Peter Langer
DOI:10.1016/j.tet.2007.12.024
日期:2008.2
The one-pot cyclization of hydrazone dianions with diethyl oxalate allows a convenient synthesis of pyrazole-3-carboxylates and pyrazole-1,5-dicarboxylates.
与
草酸二乙酯的一锅法二价环化反应可以方便地合成
吡唑-3-
羧酸盐和
吡唑-1,5-二
羧酸盐。