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Hot nitric acid (HNQ)
Hot nitric acid (HNQ)
8:26 AM
2
Q: Complete mechanism of benzotriazole synthesis from o-phenylenediamine

JacobDoes my suggested mechanism for benzotriazole synthesis look correct? Are the arrows for the cyclization in the right place? Chemdoodle (which I drew this with) makes the curly arrows look a bit weird.

organic-chemistry reaction-mechanism aromatic-compounds amines heterocyclic-compounds
 
 
15 hours later…
Hot nitric acid (HNQ)
Hot nitric acid (HNQ)
11:33 PM
2
Q: Why are 2D block matrices considered irreducible?

VinalVI am currently reading Applications of Group Theory by M.S. Dresselhaus On page 18 irreducible representations are defined and an example is given as follows: The author claims that these representations are irreducible. However for E and A the $\Gamma_2$ 2D representation is in block form and i...

group-theory
 

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