What colour does your Pd(PPh3)4 catalyst have during and after C-C coupling. Especially in Stille-reaction?

Hello, I am working on a C-C coupling of a strong electron accepting aryl-cl and Bu3Sn-Benzonitrile. I was able to synthesize my product but the yield is very low. I always have a big residue/...

11 August 2020 6,942 8 View