来源 :Chinese Chemical Letters | 被引量 : [!--cite_num--]次 | 上传用户:[!--user--]
【摘 要】
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Preost-Woodward hydroxylation of 2 gave the 22S,23S-glycol(3),contrary to expectation.It is suggested that the formation of the two possibleiodonium ions(4a and
A new highly sensitive spectrophotometric method has been developed for the determination of micro amounts of bismuth (Ⅲ), based on the formation of Bi (Ⅲ)—meso
(CH<sub>3</sub>C<sub>5</sub>H<sub>4</sub>)Zr(S<sub>2</sub>CNBz<sub>2</sub>)<sub>3</sub>, Mr=987.55, space group P1, a=13.002(4), b=13.659(3), c=29.685(8); α=100.72(2)<sup>
Using heavy-atom-containing xanthene dyes,benzoins can be quanti-tatively prepared by photosensitized reduction from benzils with triethyla-mine.It is an import