| abstract |
ABSTRACT A carbonic acid diester is stably and safely produced at a high selectivity and at a high yield by catalytically reacting carbon monoxide with a nitrous acid ester in a gas phase in the presence of a solid catalyst. comprising a catalytic solid material carried on a solid carrier and comprising: (a) a platinum group metal and/or a compound thereof, (b) a compound of Fe, Cu, Bi, Co, Mi and/or Sn, and (c) a vanadium compound, molybdenum compound, tungsten compound, sulfuric acid and/or phosphoric acid. |