Among the transition metal catalyzed direct C-H bond arylation between aryl(pseudo)halides and heteroaromatic compounds,the direct C-H bond arylation of benzo[b]furans seems to be a great challenge,us
The use of β-lactam antibiotics is compromised by drug-resistant bacteria,which employ the β-lactamase to catalyze hydrolysis of β-lactam antibiotics [1].
Although the melanin production in human skin is a major defense mechanism against UV light,excessive accumulations of epidermal pigmentation can cause various hyperpigmentation disorders,such as frec