Chaoyong Mang

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Twenty-nine phenolic compounds were isolated from the root bark of fresh (Yunnan) ginger and their structures fully characterized. Selected compounds were divided into structural categories and twelve compounds subjected to in-vitro assays including DPPH radical scavenging, xanthine-oxidase inhibition, monoamine oxidase inhibition, rat-brain homogenate(More)
Stereo-chemistry and chiroptics of several alkynyl cyclophanes with multiple binaphthyls are investigated using density functional calculations. It is revealed that the lower-energy Cotton effects of tetragon-shape cyclophanes originate from electronic transitions on two long sides while the higher-energy Cotton effects have important origin in electronic(More)
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