Purchase Solution

Chiral centres in glucose and fructose

Not what you're looking for?

Ask Custom Question

Does beta-D-fructose in its cyclic form have the same number of chiral carbons as beta-D-glucose? Show the structural formulas and chiral carbons.

Purchase this Solution
Solution Preview

I have attached the structures of glucose and fructose in MS word format.

Basically, you just need go through all of the carbon centres and see whether they are chiral. In other words, you need to check whether any of the constituents on the carbon atom are the same. So ...

Purchase this Solution
Free BrainMass Quizzes
Organic Chemistry Naming: Alkanes

This is a quiz which is designed to assist students with learning the nomenclature used to identify organic compounds. This quiz focuses on the organic compounds called Alkanes.

Periodic table

Thermochemistry

The quiz helps in revising basic concepts about thermochemistry.

Match Elements with their Symbols

Elements are provided: choose the matching one- or two-letter symbol for each element.

Functional groups in Organic Chemistry

You will be tested on the names of functional groups in Organic Chemistry. It is very important to know the functional groups to understand Organic reactions.

View More Free Quizzes
Related BrainMass Solutions

  • Multiple questions on monosaccharides, carbons, and sugars

    galactose and fructose 4. glucose and maltose Response: Sucrose is a disaccharide made up of the two monosacchides glucose and fructose. Question 2: All chiral D-sugars rotate plane-polarized light 1. clockwise 2.

  • Free Energy of Fructose-6-Phosphate and Glucose-6-Phosphate

    Free energy of Fructose-6-Phosphate and Glucose-6-Phosphate is examined.

  • D-glucose Isomers

    124349 D-glucose Isomers Open-Chain Models 1. Draw and construct the open-chain model of glucose a. How many chiral carbons are in the open-chain version of glucose? b.

  • Carbohydrates and fructose

    Fructose is a ketose a. Fructose is not a stereoisomer of glucose. In fact, it can't be since glucose is an aldose while fructose is a ketoses. b. Fructose has 6 carbons. Check. c. Fructose is a monosaccharide. d. Fructose is a ketose. Check.

  • Bond Multiple Choice Questions

    Sucrose (it's made of fructose and glucose) Which of the following molecules cannot undergo mutarotation? c. Fructose Which of the following is a characteristic of sugar alcohols? c.

  • Stereochemistry of the Addition of Bromine to Trans-Cinnamic Acid

    Either way we are making two chiral centres, and they will be enantiomers of each other. Please see attached file. Word document attached shows how to make these two chiral centres that are enantiomers of each other.

  • Low levels of metabolite

    Fructose 1,6-bisphosphate is a key intermediate in glycolysis (glucose -> energy!) and since no glucose is available due to the enzyme deficiency, this compound is in low levels relative to the normal patient. 3.

  • Fructose and Nausea During Exercise

    Most fruits are not made with an equal balance of fructose and glucose, so fructose doesn't get properly absorbed in the small intestine and makes its way into the large intestine.

  • Fermentation for Carbohydrate Solutions

    In fact, sucrose is made up of a glucose and a fructose bound together. Yeast have the enzyme, sucrase, which can split sucrose into its two monosaccharides. In addition, it can then utilize the released glucose and fructose. No problem there.

View More Related Solutions