Mathias Christian Franch Andersen

4 Questions 3 Answers 0 Followers

Questions related from Mathias Christian Franch Andersen

Why does my Miyaura borylation not start?

I have performed a Miyaura borylation 5 times without problems using an aryl bromide, Pd(dppf)Cl2, B2(pin)2, KOAc in dioxane. Now the reaction suddenly will not start. After 2 hours I have 0%...

01 May 2018 2,964 1 View

How can I avoid degradation of compound by water during RP-HPLC analysis?

I observe partial degradation of polar compound by water during RP-HPLC analysis. Does anyone have suggestions for RP-HPLC methods were this can be avoided. HILIC and NP have been examined. The...

01 July 2015 9,777 5 View

Does anyone know an alternative to OsO4 or ozonolysis for converting alkenes to aldehydes?

I need to cleave an alkene on a complex molecule. The reagent should be less toxic than OsO4.

12 March 2014 8,808 7 View

Does anyone know a commercial supplier of Meprin (cas. no. 148938-24-3)?

Meprin is needed for activity studies.

23 January 2014 7,090 1 View