Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1994-10-25
1996-03-26
Ivy, C. Warren
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
549326, C07D30733
Patent
active
055022170
ABSTRACT:
A lactone is prepared by catalytically hydrogenating a dicarboxylic acid having 3 to 10 carbon atoms or a functional derivative thereof in the presence of a catalyst comprising a metal selected from the elements of group VIII of the periodic table or a combination of said metal with an element selected from the elements of groups IVa, VIb and VIIb of the peridic table, and further in the co-presence of an alkali metal salt or an alkali metal hydroxide.
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Fuchikami Takamasa
Fujimura Atsushi
He De-Hua
Kanou Yoshiaki
Miyake Takanori
Ivy C. Warren
Sagami Chemical Research Center
Tosoh Corporation
Trinh Ba K.
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