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Title: New, highly selective and stable catalytic system for transforming formamides to nitriles

Abstract

A new, highly selective and stable catalytic system for transforming formamides to nitriles, a bismuth phosphomolybdate having a 1:12:1 phosphorus-molybdenum-bismuth atomic ratio, gave a conversion of 100% of ethylformamide feed and an at least 91% molar yield of propionitrile at 450/sup 0/C with 3; 50% of water, a liquid hourly space velocity of 3, and an oxygen gas hourly space velocity of 4000 for a 4:1 oxygen-ethylformamide mole ratio. The oxygen was necessary to prevent catalyst deactivation and did not attack reactants or products. These operating variables and the catalyst composition were optimum for the ranges studied. The catalyst retained its activity during a 113 hr run. The reactivities of phenyl-, benzyl-, ethyl-, n-butyl-, and tert.-butyl-formamides were determined at temperatures, oxygen flows, and liquid hourly space velocities of 550/sup 0/C, 4000, and 3 (A) or 450/sup 0/C, 1600, and 0.4 (B); the phenylnitrile was obtained in the maximum yield of 97.5Vertical Bar3< under B conditions; other yields were lower.

Authors:
; ; ;
Publication Date:
Research Org.:
Univ. of Catholique, Louvain
OSTI Identifier:
6811068
Alternate Identifier(s):
OSTI ID: 6811068
Resource Type:
Journal Article
Journal Name:
Am. Chem. Soc., Div. Pet. Chem., Prepr.; (United States)
Additional Journal Information:
Journal Volume: 24:1
Country of Publication:
United States
Language:
English
Subject:
37 INORGANIC, ORGANIC, PHYSICAL AND ANALYTICAL CHEMISTRY; BISMUTH COMPOUNDS; CATALYTIC EFFECTS; FORMAMIDE; CHEMICAL REACTIONS; MOLYBDATES; NITRILES; CHEMICAL REACTION YIELD; ACTIVATION ENERGY; CATALYSTS; EXPERIMENTAL DATA; PERFORMANCE; AMIDES; DATA; ENERGY; INFORMATION; MOLYBDENUM COMPOUNDS; NUMERICAL DATA; ORGANIC COMPOUNDS; ORGANIC NITROGEN COMPOUNDS; OXYGEN COMPOUNDS; TRANSITION ELEMENT COMPOUNDS; YIELDS 400301* -- Organic Chemistry-- Chemical & Physicochemical Properties-- (-1987)

Citation Formats

Rodriguez, M., Delmon, B., Portenart, M., and Viehe, H.G. New, highly selective and stable catalytic system for transforming formamides to nitriles. United States: N. p., 1979. Web.
Rodriguez, M., Delmon, B., Portenart, M., & Viehe, H.G. New, highly selective and stable catalytic system for transforming formamides to nitriles. United States.
Rodriguez, M., Delmon, B., Portenart, M., and Viehe, H.G. Thu . "New, highly selective and stable catalytic system for transforming formamides to nitriles". United States.
@article{osti_6811068,
title = {New, highly selective and stable catalytic system for transforming formamides to nitriles},
author = {Rodriguez, M. and Delmon, B. and Portenart, M. and Viehe, H.G.},
abstractNote = {A new, highly selective and stable catalytic system for transforming formamides to nitriles, a bismuth phosphomolybdate having a 1:12:1 phosphorus-molybdenum-bismuth atomic ratio, gave a conversion of 100% of ethylformamide feed and an at least 91% molar yield of propionitrile at 450/sup 0/C with 3; 50% of water, a liquid hourly space velocity of 3, and an oxygen gas hourly space velocity of 4000 for a 4:1 oxygen-ethylformamide mole ratio. The oxygen was necessary to prevent catalyst deactivation and did not attack reactants or products. These operating variables and the catalyst composition were optimum for the ranges studied. The catalyst retained its activity during a 113 hr run. The reactivities of phenyl-, benzyl-, ethyl-, n-butyl-, and tert.-butyl-formamides were determined at temperatures, oxygen flows, and liquid hourly space velocities of 550/sup 0/C, 4000, and 3 (A) or 450/sup 0/C, 1600, and 0.4 (B); the phenylnitrile was obtained in the maximum yield of 97.5Vertical Bar3< under B conditions; other yields were lower.},
doi = {},
journal = {Am. Chem. Soc., Div. Pet. Chem., Prepr.; (United States)},
number = ,
volume = 24:1,
place = {United States},
year = {1979},
month = {2}
}