Organic Chemistry
Organic Chemistry
8th Edition
ISBN: 9781305580350
Author: William H. Brown, Brent L. Iverson, Eric Anslyn, Christopher S. Foote
Publisher: Cengage Learning
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Chapter 27, Problem 27.11P

(a)

Interpretation Introduction

Interpretation:

The Fischer projection of the stereoisomer of Threonine which has two chiral centers with the configuration 2S,3R has to be drawn.

Concept Introduction:

The two dimensional representation of the molecules is known as Fischer projection.  In Fischer projection, the atoms present on the horizontal plane are facing towards the front and the atoms present on the vertical plane are away from the plane.

When the atom is bonded to four different groups, based on the order of priority of the groups present, if it gets clock wise rotation then it is said to be in R-configuration, if the order of priority of the functional groups give anti-clock wise rotation, then it is said to be S-configuration.

(b)

Interpretation Introduction

Interpretation:

The three dimensional representation of the stereoisomer of Threonine which has two chiral centers with the configuration 2S,3R has to be drawn.

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Chapter 27 Solutions

Organic Chemistry

Ch. 27 - Prob. 27.11PCh. 27 - Prob. 27.12PCh. 27 - Draw zwitterion forms of these amino acids. (a)...Ch. 27 - Prob. 27.14PCh. 27 - Why is Arg often referred to as a basic amino...Ch. 27 - Prob. 27.16PCh. 27 - Prob. 27.17PCh. 27 - Prob. 27.18PCh. 27 - Prob. 27.19PCh. 27 - Prob. 27.20PCh. 27 - Both norepinephrine and epinephrine are...Ch. 27 - Prob. 27.22PCh. 27 - Draw a structural formula for the form of each...Ch. 27 - Prob. 27.24PCh. 27 - Write the zwitterion form of alanine and show its...Ch. 27 - Prob. 27.26PCh. 27 - Write the form of aspartic acid most prevalent at...Ch. 27 - Prob. 27.28PCh. 27 - Prob. 27.29PCh. 27 - For lysine and arginine, the isoelectric point,...Ch. 27 - Prob. 27.31PCh. 27 - Account for the fact that the isoelectric point of...Ch. 27 - Prob. 27.33PCh. 27 - Prob. 27.34PCh. 27 - At pH 7.4, the pH of blood plasma, do the majority...Ch. 27 - Prob. 27.36PCh. 27 - Prob. 27.37PCh. 27 - Prob. 27.38PCh. 27 - A chemically modified guanidino group is present...Ch. 27 - Draw a structural formula for the product formed...Ch. 27 - Prob. 27.41PCh. 27 - Prob. 27.42PCh. 27 - A decapeptide has the following amino acid...Ch. 27 - Following is the primary structure of glucagon, a...Ch. 27 - Prob. 27.45PCh. 27 - Draw a structural formula of these tripeptides....Ch. 27 - Estimate the pI of each tripeptide in Problem...Ch. 27 - Glutathione (G-SH), one of the most common...Ch. 27 - Following are a structural formula and a...Ch. 27 - Prob. 27.50PCh. 27 - Prob. 27.51PCh. 27 - Prob. 27.52PCh. 27 - Prob. 27.53PCh. 27 - Prob. 27.54PCh. 27 - Distinguish between intermolecular and...Ch. 27 - Prob. 27.56PCh. 27 - Prob. 27.57P
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