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含有过氧和内酯基团的青蒿素1是一个结构独特的倍半萜。它的圆二色谱也较特殊,在258nm 和228nm 处分别显示一极大值和一极小值。对此梁晓天提出258nm 处的极大值是一因转折而引起的假象。最近我们以光化学氧化反应高产率地制备了脱羰青蒿素2,
Artemisinin 1, which contains peroxygen and lactone groups, is a uniquely structured sesquiterpene. Its circular dichroism is also special, showing a maximum and a minimum at 258 nm and 228 nm, respectively. Liang Xiaotian this 258nm at the maximum value is caused by the illusion of a turning point. Recently, we prepared the decarboxylated artemisinin 2 with high yield by photochemical oxidation reaction,