Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acid esters
Patent
1990-06-29
1991-11-26
Dees, Jose G.
Organic compounds -- part of the class 532-570 series
Organic compounds
Carboxylic acid esters
560 27, C07C125073
Patent
active
050683918
ABSTRACT:
The bis-(N-carboalkoxyanilino)methanes, optionally in the presence of at least one alkyl N-phenylcarbamate, are selectively rearranged into methylenedi(phenylurethane), MDU, in the presence of an effective amount of hydrofluoric acid.
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Allandrieu Christian
Gubelmann Michel
Rochin Christophe
Dees Jos,e G.
Nazario Porfirio
Rhone-Poulenc Chimie
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