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Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074

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BuyFindarrow_forward

Chemistry & Chemical Reactivity

10th Edition
John C. Kotz + 3 others
ISBN: 9781337399074
Textbook Problem

Vitamin B-5, pantothenic acid, has the structure shown below. Base hydrolysis of this compound followed by acidification gives two compounds. Draw their structures.

images

Interpretation Introduction

Interpretation: The structures of the two compounds obtained by hydrolysis followed by acedification of vitamin B-5 should be drawn.

Concept introduction:

Amide Hydrolysis: In presence of base or acid with continuous heating, amide reacts with water to form the corresponding amine and carboxylic acid.

  • Salt of carboxylic acid and amine are obtained when amide hydrolysis takes place in presence of base.

The salt of carboxylic acid is further treated with an aqueous solution of mineral acid (HCl) to get a carboxylic acid.

Explanation

The vitamin B-5 molecule contains an amide linkage.

Corresponding salt of carboxylic acid and amine are obtained when vitamin B-5 hydrolysis takes place in presence of base.

The salt of carboxylic acid is further treated with an aqueous solution of mineral acid (HCl) to get a carboxylic acid

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Chapter 23 Solutions

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Sect-23.5 P-1.3ACPSect-23.5 P-2.1ACPSect-23.5 P-2.2ACPSect-23.5 P-2.3ACPSect-23.5 P-3.1ACPSect-23.5 P-3.2ACPSect-23.5 P-3.3ACPSect-23.5 P-3.4ACPSect-23.5 P-3.5ACPCh-23 P-1PSCh-23 P-2PSCh-23 P-3PSCh-23 P-4PSCh-23 P-5PSCh-23 P-6PSCh-23 P-7PSCh-23 P-8PSCh-23 P-9PSCh-23 P-10PSCh-23 P-11PSCh-23 P-12PSCh-23 P-13PSCh-23 P-14PSCh-23 P-15PSCh-23 P-16PSCh-23 P-17PSCh-23 P-18PSCh-23 P-19PSCh-23 P-20PSCh-23 P-21PSCh-23 P-22PSCh-23 P-23PSCh-23 P-24PSCh-23 P-25PSCh-23 P-26PSCh-23 P-27PSCh-23 P-28PSCh-23 P-29PSCh-23 P-30PSCh-23 P-31PSCh-23 P-32PSCh-23 P-33PSCh-23 P-34PSCh-23 P-35PSCh-23 P-36PSCh-23 P-37PSCh-23 P-38PSCh-23 P-39PSCh-23 P-40PSCh-23 P-41PSCh-23 P-42PSCh-23 P-43PSCh-23 P-44PSCh-23 P-45PSCh-23 P-46PSCh-23 P-47PSCh-23 P-48PSCh-23 P-49PSCh-23 P-50PSCh-23 P-51PSCh-23 P-52PSCh-23 P-53PSCh-23 P-54PSCh-23 P-55PSCh-23 P-56PSCh-23 P-57PSCh-23 P-58PSCh-23 P-59PSCh-23 P-60PSCh-23 P-61PSCh-23 P-62PSCh-23 P-63PSCh-23 P-64PSCh-23 P-65PSCh-23 P-66PSCh-23 P-67PSCh-23 P-68PSCh-23 P-69PSCh-23 P-70PSCh-23 P-71PSCh-23 P-72PSCh-23 P-73PSCh-23 P-74PSCh-23 P-75GQCh-23 P-76GQCh-23 P-77GQCh-23 P-78GQCh-23 P-79GQCh-23 P-80GQCh-23 P-81GQCh-23 P-82GQCh-23 P-83GQCh-23 P-84GQCh-23 P-85GQCh-23 P-86GQCh-23 P-87GQCh-23 P-88GQCh-23 P-89GQCh-23 P-90GQCh-23 P-91GQCh-23 P-92GQCh-23 P-93GQCh-23 P-94GQCh-23 P-95GQCh-23 P-96GQCh-23 P-97GQCh-23 P-98GQCh-23 P-99GQCh-23 P-100GQCh-23 P-101GQCh-23 P-102GQCh-23 P-103ILCh-23 P-104ILCh-23 P-105ILCh-23 P-106ILCh-23 P-107ILCh-23 P-108ILCh-23 P-109ILCh-23 P-110ILCh-23 P-111ILCh-23 P-112ILCh-23 P-113ILCh-23 P-114ILCh-23 P-115SCQCh-23 P-116SCQCh-23 P-117SCQCh-23 P-118SCQCh-23 P-119SCQCh-23 P-120SCQCh-23 P-121SCQ

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