Jin-Gui Wu

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Questions related from Jin-Gui Wu

What's the by-product of Lawesson's reagent?

I'm working up a Lawesson reaction. I tried the chromatography on silical gel, but there was always a spot at the starting point on TLC (UV 254 nm). The H-MNR and ESI-MS only showed signals of the...

06 June 2019 6,095 6 View

What can be used as internal standard for quantitative determination of HCOONa by HPLC?

Dear all, I'm going to determine the quantity of the sodium formate in my reaction system. I'm using HPLC with aq. NaH2PO4/MeOH as eluent and UV 215 nm as detector. What internal standard can be...

06 June 2019 1,596 3 View

The challenges behind Ni-catalyzed asymmetric radical reactions

Hi, everybody, I'm reading literature concerning photoredox/nickel dual catalysis. And I found that despite various cross-coupling reactions have been developed, almost all of them were racemic....

01 January 1970 5,970 1 View