Interpretation:
Chair conformations of glucose should be drawn and most stable conformer is needed to be predicted between them.
Concept introduction:
Chair conformer: chair conformer is a stable conformer for cyclohexane compound. In this chair conformer two positions are important for substitutions one is equatorial and other one axial position. Axial positions are parallel to the axis of ring while equatorial positions are perpendicular to the axis of the ring.
Example:
After ring flip of the conformer, axial position becomes equatorial and equatorial position becomes axial.
Stereochemistry conversions in chair conformation are shown below.
Substituent position | cis | trans |
1,2 position | (a,e) or (e,a) | (a,a) or (e,e) |
1,3 position | (a,a) or (e,e) | (a,e) or (e,a) |
1,4 position | (a,e) or (e,a) | (a,a) or (e,e) |
To find: chair conformers of glucose molecule and stable one between conformers.
Given compound is glucose.
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Chapter 4 Solutions
ORGANIC CHEMISTRY 2-SEMESTER-ACCESS
- 2' P17E.6 The oxidation of NO to NO 2 2 NO(g) + O2(g) → 2NO2(g), proceeds by the following mechanism: NO + NO → N₂O₂ k₁ N2O2 NO NO K = N2O2 + O2 → NO2 + NO₂ Ко Verify that application of the steady-state approximation to the intermediate N2O2 results in the rate law d[NO₂] _ 2kk₁[NO][O₂] = dt k+k₁₂[O₂]arrow_forwardPLEASE ANSWER BOTH i) and ii) !!!!arrow_forwardE17E.2(a) The following mechanism has been proposed for the decomposition of ozone in the atmosphere: 03 → 0₂+0 k₁ O₁₂+0 → 03 K →> 2 k₁ Show that if the third step is rate limiting, then the rate law for the decomposition of O3 is second-order in O3 and of order −1 in O̟.arrow_forward
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