Question

Carry out the following conversions as indicated.

a) Fischer form to: i) Staggered and Eclipsed Sawhorse forms and

ii) Staggered and Eclipsed Newman forms

Image ignouassignments-ignouacademy-com--p-fischer-78481

b) Flying wedge form to Fischer forms

Image ignouassignments-ignouacademy-com--p-following-21889

22 Jan 2025
Answer :
Word Count : 352

a) Fischer form to:

i) Staggered and Eclipsed Sawhorse forms: To convert a Fischer projection into the staggered and eclipsed sawhorse forms, follow these steps:

  • First, consider the molecule's connectivity and configuration in the Fischer form.
  • For the staggered form, the substituents (groups) on the two adjacent carbon atoms should be as far apart as possible, usually 60° apart.
  • For the eclipsed form, the substituents on adjacent carbons should be aligned in such a way that they overlap (0°).
  • Rotate the Fischer projection by 90° to adopt ___ ___ _______ __________ _________ ____ ___ __________ ________ ______.
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