本研究采用一步法合成8个苯甲酸苯酯类化合物,总产率在31％和85％之间,并对其抗氧化、抗酪氨酸酶和抗胰脂肪酶活性进行了评估.化合物4c......

Cinnamomum osmophloeum belongs to the Lauraceae family of Taiwans endemic plants.According to previous studies,C.osmophl......

　　Tyrosinase (EC 1.14.18.1) is the key enzyme of the melanin biosynthesis.Tyrosinase is a factor due to browning in ce......

通过两步反应,合成了9个异戊烯基和香叶基取代的咕吨酮类化合物,总产率在11％到36％之间.所有的化合物均为首次报道.然后对化合物1-9的......

<strong>Introduction:</strong> Ultraviolet radiation can be harmful to the skin and can create serious problems when a p......