Write the structure for the quinoxaline derivative obtained

Assignment Help Chemistry
Reference no: EM13175103

1,2-Dicarbonyl compounds, such as benzil, can be characterized by reaction with o-phenylenediamine to form a substituted quinoxaline.

Write the structure for the quinoxaline derivative obtained when benzil is the reactant. Do you think this compound would be coloured? If so, why?

Suggest a plausible mechanism for the formation of the quinoxaline compounds based on the reaction scheme shown above.

Reference no: EM13175103

Questions Cloud

Explain the debye-huckel limiting law : Find the pH of a 0.2 m solution of acetic acid. Ka for acetic acid at 25 degrees C is 1.75 x 10^-5. a.) assume ideal behavior
What are the burdens of the public debt : Many people advocate taxing "the rich" to alleviate the debt problem but the truth is that taxes will have to be increased on all income earners. What macroeconomic impacts would you expect to see if taxes are raised "across the board"?
Explain what is the frequency of the photon emitted : What is the frequency of the photon emitted when a molecule of NaH drops from the second to first level?
Calculate the molecular mass of the nonionic sloutes : calculate the molecular mass of the nonionic sloutes. 6403 grams of solute in 3.90 x 10^2 grams of water raises the boiling point to 100.680 c.
Write the structure for the quinoxaline derivative obtained : Write the structure for the quinoxaline derivative obtained when benzil is the reactant. Do you think this compound would be coloured? If so, why?
Identify the original liquid and write a structure : Identify the original liquid and write a structure for the solid derivative. After identifying the unknown liquid, can you indicate what the structure of the precipitate obtained on reaction with bromine might be?
Calculate the saving function : Suppose the second equation is changed to I = 500. What is the new equilibrium level of income? How much does the $100 increase in investment change equilibrium GDP?
Identify the limiting and excess reactions : Identify the limiting and excess reactions and how many grams of the excess will be unused.
Identify conjugate base of ch3cooh in the following reaction : Identify the conjugate base of CH3COOH in the following reaction

Reviews

Write a Review

Chemistry Questions & Answers

  Steps in the mechanism for the following reaction

Show all the steps in the mechanism for the following reaction, When benzene is mixed with deuterated sulfuric acid, deuterium is slowly incorporated onto the ring. Show the mechanism for this reaction and explain how this relates the sulfonation of ..

  Prior to placing piece of metal into the graduated cylinder

This assignment inhibits chemistry Laboratory Questions.

  Write the structures of the saytzeff elimination

Write the structures of the saytzeff elimination

  Calculate ph - chemistry questions

Chemistry Questions on Calculate P H

  How many mols of hydrogen can produce

how many mols of H 2 can produce

  Analysis of corrosion mechanisms

Analysis of corrosion mechanisms and preventative measures

  Chemical and pharmaceutical science

Write an equation for the formation of an acetal from reaction of excess methanol with benzaldehyde in the presence of an acid catalyst.

  Calculate the approximate sulphur

Calculate the approximate SO 2 mass emission in lb/day.

  What is the structure - stereochemistry

What is the structure (including functional groups)? Stereochemistry (racemic or single enantiomer)?

  Design a qualitative analysis scheme

Design a qualitative analysis scheme

  What will be the resultant pressure

What will be the resultant pressure when the stopcock is opened?

  The 1h nmr spectrum

Integrals for some of the resonances in the 1H NMR spectrum are higher than they should be due to the shear number of hydrogens in this compound

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd