Question

Questions (Answer in complete, full sentences Limit yourself to the available space ) 1. How would you best describe the relationship between them? relationship between the following compounds? Is there a CHO HO OH CH2OH D-allose CH2OH D-altrose CH2OH D-talose 2. Predict the optical activity and number of unique "C NMR signals expected from each of the acetylated alditols shown below CH2OAc OAc CH2OAc CH2OAc optically active? (y/n) 1"C NMR signals 69 ID of Aldoses Report Form

Answer 1

1. they are all monosaccharide sugars.

2.since moleculer formula of all compunds are same and each carbon also contains same 4 groups so they are not structurel isomers. here they are diastereomers because at one time only one grp at any one carbon is altered in orientation.