Process for producing urethane from nitro compounds, hydroxyl co

Details Process for producing urethane from nitro compounds, hydroxyl co Process for producing urethane from nitro compounds, hydroxyl co

1975-09-22

1977-10-04

Myers, Jane S.

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

260351, 560 22, 560 9, 560 13, 560115, 560158, 560114, 560133, 560134, 560 24, C07C12506

Patent

active

040524370

ABSTRACT:
In the process for preparing a urethane, particularly an aromatic urethane, by the reaction of an organic nitro compound, particularly an aromatic nitro compound, carbon monoxide, and an organic hydroxy compound in the presence of a catalyst, the improvement which comprises employing as said catalyst rhodium oxide, particularly substantially amorphous rhodium oxide, and optionally conducting the reaction in a nitrilic solvent.

REFERENCES:
patent: 3467694 (1969-09-01), Hardy et al.
patent: 3576836 (1971-04-01), Prichard
patent: 3728370 (1973-04-01), Ottmann et al.
patent: 3754014 (1973-08-01), Kober et al.

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