EPIMERS definition,examples

 

EPIMERS :

Epimers Definition:

Sugars that differ only by the stereo chemistry at a single carbon are called epimers, and the carbon atom where they differ is generally stated. 

NOTE: If the number of a carbon atom is not specified, it is assumed to be C-2

Epimers Examples:

For example: 

(1) glucose and mannose differ only at C-2, the first asymmetric carbon atom.

Also,

For More Short Notes,DPP, Solutions of CARBOHYDRATES,AMINO ACIDS,PROTEINS

CLICK HERE

Fructose on reduction with NaBH4 gives?

TO KNOW ANSWER........   CLICK HERE

Therefore, glucose and mannose are 'C-2 epimers' or simply 'epimers'. 

(2) The C-4 epimer of glucose is galactose 

(3) The C-2 epimer of erythrose is threose.

Also For NEET 2022 Solved paper by various TOP institutions

CLICK HERE

28 Very IMPORTANT NAMING REACTIONS

To Download PDF:

CLICK HERE

Also For JEE Mains 2022 Solved paper by various TOP institutions

CLICK HERE

For ALL Updates Join telegram group:

NEET_JEE@vijchem 

CLICK OPEN with TELEGRAM APP