Basics of Carbohydrate chemistry Dr. Smily Pruthi MD- Biochemistry See video in mobile app - tulip academy of medical sciences
Carbohydrates • Definition – Polyhydroxy aldehydes and ketones • Polyhydroxy means they have many hydroxy (-OH) groups
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Asymmetric Carbon (or Chiral Carbon)
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Aldehyde & Keto • functional groups
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If C=O is present at C1, it is aldehyde group If C=O is present at C2, it is keto group
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• Functional carbon is symmetric, but only in linear configuration (In cyclic configuration, functional carbon becomes assymetric
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• Molecular formula = C(H2O)n • Where n = number of total carbons
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• Number of total isomers possible for a compound is given by the formula • 2^n • Where n = number of asymmetric carbons
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Molecular formula for carbohydrates C(H2O)n
Where n = Number of Total Carbons Number of total isomers possible for a compound is given by the formula =2^n Where n = Number of Asymmetric Carbons NOTE : Both formulas contain ‘n’ But this n is different.
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