Question

Convert the Haworth projection of the carbohydrate below into its corresponding Fischer projection (in the standard format with the most oxidized carbon at the top) and chair conformation (correctly drawing equatorial and axial bonds) of the opposite anomer.

14 (3).pdf

Answer 1

carbon H Anomeric 42CH2OH 4 s to I VOH -OH 312 > . OH H Haworth HO/CHLON "*'/H MOHIYA Bl - Anomer). The L a t Quomeric -OH group eis to terminal CHzolt group - ß(beta) anome en anomer ... 'CHIO Ht2_04 BHINE, G + Almomerie carbon. HO/ 40- 1 H- s%CH204 Wd adhu Group which are down in Hawouth will be on right side in Fischer lorojection and vice versa mojega !!! I double exchange V at 05 Lot CH=0 Het oli HO- HO- Aus 뻐 CH2 9H Fischer projection

Answer 2

carbon H Anomeric 42CH2OH 4 s to I VOH -OH 312 > . OH H Haworth HO/CHLON "*'/H MOHIYA Bl - Anomer). The L a t Quomeric -OH group eis to terminal CHzolt group - ß(beta) anome en anomer ... 'CHIO Ht2_04 BHINE, G + Almomerie carbon. HO/ 40- 1 H- s%CH204 Wd adhu Group which are down in Hawouth will be on right side in Fischer lorojection and vice versa mojega !!! I double exchange V at 05 Lot CH=0 Het oli HO- HO- Aus 뻐 CH2 9H Fischer projection

HO / I MOH the OH da Anomer My nequatorial bovel SOH niematerial and CH2OH Yr axial boud - Ho Ho . H (Auro) 2 flip . note: 1) hydroxyl group on its auti(trans) to the terminal + CH2OH group d - Anomer 2) the group which are upward in Haworth will be eaua to nial in Fischer and Nice versa. HV OH * &- Anomer
Fischer projection : L- Sugar ( OH group is in the left side ) at C-5 carbon (bottom most chiral center )

In the Haworth projection given above in the qsn it is Beta anomer( -CH2OH & C-OH are in same side i.e. Cis to each other ). It is a L -sugar .

I omitted C2 -H bond (axial ) in the chair conformation of alpha anomer.