reaction scheme of alkanes and cycloalkanes. • mechanism of S. R reactions. •
thermodynamics of halogenation reactions. • selectivity of radical halogenation.
isomers structure of alkanes and cycloalkanes conformation reaction scheme of alkanes and cycloalkanes mechanism of SR reactions thermodynamics of halogenation reactions selectivity of radical halogenation regioselectivity of SR reactions structure and stability of alkylradicals stereochemistry of SR reactions
2
The basic classification of isomers
3
Coordination isomers
4
Structure and spatial models of ethane
5
Spatial models of butane and 2-methylpropane
6
The free rotation around the C-C σ-bond in ethane
7
The Newman and perspective projection
8
The ap vs. sp conformation of ethane
9
The ∆Epot energy change at rotation around the C-C bond in ethane
10
Conformers of butane formed at rotation around the C2-C3 bond
11
The ∆Epot energy change accompanying rotation around the C2-C3 bond in butane
12
The structure and deformation of σ-bond orbitals in the molecule of cyclopropane
13
Heats of combustion vs. ring strain of cycloalkanes
14
The CHAIR and BOAT conformers of cyclohexane
15
The ∆Epot energy change accompanying inversion of the chair conformers of cyclohexane
16
Cis and trans isomers of dimethylcyclohexanes
17
The reaction scheme of alkanes and cycloalkanes
ER
SR
R CH CH2 H H AR
SR
18
SR
Thermodynamics of halogenation reactions of alkanes
19
SR
A mechanism for the radical chlorination of ethane
20
SR
The REGIOSELECTIVITY of radical chlorination and bromination
21
The sp2 hybridization of methyl radical
22
The order of thermodynamic stability of alkylradicals + I effect (HYPERKONJUGATION) of methyl groups
23
The comparison of thermodynamic stability of 1°, 2° and 3° radicals
24
The ΔEa energy change as a measure of selectivity of radical chlorination and bromination
25
The stereochemistry of chlorination of pentane at the C2 atom