Organic Chemistry Answers

Comparison of the mechanism for addition and substitution reactions of benzene

how are the energies of excited molecules from the triplet state dissipated?draw a jablonki diagram to depict energy change during these processes

Predict the coordination number of Mg2+ in MgO crystal and the crystal structure of MgO , if the ionic radius for Mg2+ is 65pm and that for O2- is 140 pm

In Glycopyrrolate (Glycopyrronium bromide) and Fluvastatin

1. Encircle and give the names of all functional groups and indicate for each group whether it is basic, acidic or neutral in aqueous solutions Please consider only functional groups listed on slide 2 in lecture 5. As for amino groups, distinguish between primary, secondary, and tertiary ones.

2. Indicate by an arrow all stereogenic centers and assign to each center the absolute configuration (R or S)

What do you understand by Meta-directing deactivator? Explain with the help of 

a suitable example

a) using fmo model explain why in thermal condition disrotatory motion would necessary for cyclization of 1,3,5- hexatriene and conrotatory of 2,4- hexadiene

b) discuss the visibility of [1,3] and [1,5] hydrogen shifts on the basis of orbital symmetry and geometry consideration

The synthesis of the exhaust gases when the C/H ratio of carbon /Hydrogen numbers is given and the excess air (%) is given. How do we solve it give me an example, please?

Cycloaddition reaction of carbene generated by the photolysis of diazo methane in inert gas with cis-2-butene is not stereospecific. Explain with the help of steps involved in the reaction

1. Compare activity of pyridine, pyrimidine, pyrrole and benzene in electrophilic substitution reactions. Explain your opinion. Write schemes of their bromination reactions.

Questions :

1- Calculer le rendement de votre synthèse.

2- Pourquot obtient-on principalement le composé de configuration E.

3- Donner en nomenclature systématique le nom de la benzaldoxime.

4- Paurquol rence-t-on avec un peu d'eau glacée.

5- Pourquol faut-l ajouter tout doucement le benzaldéhyde.

6- Donner le mécanisme détalllé de la réactlon mise en jeu