Lucas Fonseca Bezerra

5 Questions 2 Answers 0 Followers

Questions related from Lucas Fonseca Bezerra

Why aromatic imines are weakly fluorescent?

Most of aromatic conjugated imines I know are far less fluorescent than its aromatic precursor. What happens to the excited state when the imine is formed?

12 June 2019 8,291 2 View

What is the relationship between the pi-sextets and the absorption spectrum of a polyciclic aromatic hydrocarbon?

Could anyone suggest me some papers to get a better understanding of Clars model and UV-Vis spectroscopy ?

18 January 2019 8,805 2 View

Can I dry methanol using Phosphorus pentoxide?

I want to dry methanol to perform a syntheses and I want to use a dessicant different from Molecular Sieves. Is P2O5 a good one or it's too drastic?

16 February 2018 4,499 3 View

How can I perform a controlled oxidation of methyl aromatic groups using SeO2?

My substrate has two different methyl groups atached on pyridinc rings. I want to know how to oxidate one of them, what's the soichiometry ?

24 January 2018 2,262 2 View

How to study the intercalation between organic molecules and DNA if the molecule is not soluble in th buffer?

I did my experiments (UV vis for determination of Kb) adding a solution of my compound in acetonitrile into the aquous media where DNA stands. I don't know if this is correct, cause the organic...

14 December 2017 1,245 1 View