摘要:
Preparation process for 2-coumaranone in which glyoxylic acid, in vapor phase, is reacted with cyclohexanone, in the presence of a dehydrogenation catalyst.
摘要:
Preparation process for glyoxylic acid in which glyoxal is subjected to a heterogeneous catalytic oxidation in an aqueous medium by oxygen in the presence of catalytic quantities of platinum.