The synthesis of a new N,19-seco norditerpenoid alkaloid 7 bearing nitro group from yunaconitine 1 as the starting mater......

滇乌碱是云南乌头属植物中分布最广，含量最高的一种二萜生物碱成分，但其毒性高。为了充分利用这一丰富的资源，我们用滇乌碱为起始物合......

[Objectives]To establish an acute yunaconitine poisoning rat model with a single oral administration and to determine th......