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Uni Stuff => Universities - Victoria => University of Melbourne => Topic started by: Pup on May 26, 2013, 12:38:04 am

Title: Chemistry Exam Question Help
Post by: Pup on May 26, 2013, 12:38:04 am
Can someone help me on this question from the 2011 Chemistry for Biomedicine exam paper:

Question B2)

b) D-Psicose is a 2-ketohexose. Reduction of D-psicose using sodium borohydride affords two polyhydroxylated derivatives, one of which is term D-gulitol. By consulting the D-sugar family tree (Appendix C).:

 i) Draw a Fischer projection of the structure for D-gulitol and the other product (i.e not D-gulitol) formed upon the reduction of D-psicose. Suggest an appropriate name for this compound.

ii) Draw a Fischer projection of the structure of D-psicose.