Synthesis of certain 3,5,7-disubstituted pyrazolo[3,4-<i>e</i>][1,3]oxazines. Derivatives of a new heterocyclic ring system
作者:Vladimir G. Beylin、Leroy B. Townsend
DOI:10.1002/jhet.5570250114
日期:1988.1
The synthesis of several 3,5,7-trisubstituted pyrazolo[3,4-e][1,3]oxazines by ring annulation of the appropriately substituted pyrazoles is described.
描述了通过适当取代的吡唑的环环化合成几种3,5,7-三取代的吡唑并[3,4- e ] [1,3]恶嗪。