Ammonium bisulfate catalyzed dehydration of beta-hydroxy acids

Hydroxycarboxylic acids, e.g., 3-hydroxypropionic acid, and/or their ammonium salts are dehydrated to their corresponding unsaturated carboxylic acids, e.g., acrylic acid, by a process that uses a catalyst comprising ammonium bisulfate. The use of ammonium bisulfate reduces or eliminates the problem...

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Hauptverfasser: Roach Raymond P, Decoster David C, Silvano Mark A, Biswas Sanjib, Lemonds Andrew M, Bogan, Jr. Leonard E, Sathiosatham Muhunthan, Hoyt Sarah M, Hruby Sarah L, Tengler Robert
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creator Roach Raymond P
Decoster David C
Silvano Mark A
Biswas Sanjib
Lemonds Andrew M
Bogan, Jr. Leonard E
Sathiosatham Muhunthan
Hoyt Sarah M
Hruby Sarah L
Tengler Robert
description Hydroxycarboxylic acids, e.g., 3-hydroxypropionic acid, and/or their ammonium salts are dehydrated to their corresponding unsaturated carboxylic acids, e.g., acrylic acid, by a process that uses a catalyst comprising ammonium bisulfate. The use of ammonium bisulfate reduces or eliminates the problems associated with processes that use sulfuric acid as a dehydrating catalyst, e.g, excess sulfuric acid consumption and/or recovery.
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subjects ACYCLIC OR CARBOCYCLIC COMPOUNDS
CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOIDCHEMISTRY
CHEMISTRY
METALLURGY
ORGANIC CHEMISTRY
PERFORMING OPERATIONS
PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
THEIR RELEVANT APPARATUS
TRANSPORTING
title Ammonium bisulfate catalyzed dehydration of beta-hydroxy acids
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