Bulletin of the Chemical Society of Japan p. 2839 - 2842 (1986)
Update date:2022-08-17
Topics:
Isogai, Koji
Sakai, Jun-ichi
Yamauchi, Keiji
Watanabe, Katsuya
The title compounds were hydrogenolyzed over Pd-C.The ring-bond cleavage in the hydrogenolysis of the acid in water or methanol occurred at both the C1-C2 bond and the C2-C3 bond in nearly equal proportion, whereas the C1-C2 bond was cleaved mainly in the presence of ammonia and the C2-C3 bond was cleaved mainly in acetic acid.Selective hydrogenolysis of the C1-C2 bond of ester occurred in hexane or methanol, whereas the C2-C3 bond was hydrogenolyzed mainly in acetic acid.The role of the amino group is discussed.
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