Aromatic nitro cpds. carbonylation catalyst - contg. molybdenum oxide, palladium oxide, and magnesium, calcium or zinc oxide
New catalyst for the carbonylation of aromatic nitro cpds. contains (a) 1.6-4.0 wt.% Mg oxide, Cal oxide or Zn oxide, (b) 48.8.-77 wt.% Pd oxide; and (c) Mo oxide to 100 wt.%. Used in carbonylation of aromatic nitro cpds. to give e.g. mono- and di-isocyanates useful in the prodn. of polymethane prod...
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| creator | BORIS KONSTANTINOVICH NEFEDOV, JURY IVANOVICH DERGUNOV, ANATOLY IVANOVICH RYSIKHIN, VLADIMIR ILICH MANOV-JUVENSKY, GEORGY PIMENOVICH BALABANOV ET KHAKBERDY ORAZOVICH KHOSHDURDYEV |
| description | New catalyst for the carbonylation of aromatic nitro cpds. contains (a) 1.6-4.0 wt.% Mg oxide, Cal oxide or Zn oxide, (b) 48.8.-77 wt.% Pd oxide; and (c) Mo oxide to 100 wt.%. Used in carbonylation of aromatic nitro cpds. to give e.g. mono- and di-isocyanates useful in the prodn. of polymethane prods. and pesticides. Inclusion of Mg, Cal or Zr oxide in the catalyst increases its activity and selectivity, so that conversion of starting materials is increased to 100% and the desired end prods. are obtd. in up to 98 or 99% yield.
LA PRESENTE INVENTION CONCERNE UN PROCEDE DE PREPARATION DE COMPOSES NITRES AROMATIQUES ET, PLUS PRECISEMENT, DES CATALYSEURS POUR LA CARBONYLATION DE COMPOSES NITRES AROMATIQUES.LE CATALYSEUR POUR LA CARBONYLATION DE COMPOSES NITRES AROMATIQUES CONTIENT DE 1,6 A 4,0 EN POIDS D'OXYDE DE MAGNESIUM, D'OXYDE DE CALCIUM OU D'OXYDE DE ZINC, DE 40,3 A 77,0 EN POIDS D'OXYDE DE PALLADIUM, LE RESTE ETANT DE L'OXYDE DE MOLYBDENE.CE CATALYSEUR TROUVE UNE LARGE APPLICATION DANS LA PRODUCTION DE MONO-ET DIISOCYANATES. |
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LA PRESENTE INVENTION CONCERNE UN PROCEDE DE PREPARATION DE COMPOSES NITRES AROMATIQUES ET, PLUS PRECISEMENT, DES CATALYSEURS POUR LA CARBONYLATION DE COMPOSES NITRES AROMATIQUES.LE CATALYSEUR POUR LA CARBONYLATION DE COMPOSES NITRES AROMATIQUES CONTIENT DE 1,6 A 4,0 EN POIDS D'OXYDE DE MAGNESIUM, D'OXYDE DE CALCIUM OU D'OXYDE DE ZINC, DE 40,3 A 77,0 EN POIDS D'OXYDE DE PALLADIUM, LE RESTE ETANT DE L'OXYDE DE MOLYBDENE.CE CATALYSEUR TROUVE UNE LARGE APPLICATION DANS LA PRODUCTION DE MONO-ET DIISOCYANATES.</abstract><oa>free_for_read</oa></addata></record> |
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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 | Aromatic nitro cpds. carbonylation catalyst - contg. molybdenum oxide, palladium oxide, and magnesium, calcium or zinc oxide |
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