
Archiv der Pharmazie p. 65 - 71 (1981)
Update date:2022-07-30
Topics:
Stachel, Hans-Dietrich
Papenberg, Gerhard
Starting from antipyroylketene acetal (1) and ethyl antipyroylacetate (8), the isomeric bipyrazolones 10b and 12b as well as their derivatives 10a, 11, 12a and 14 were prepared.The tautomerism of the bipyrazolones is discussed on the basis of their spectr
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(2018)Doi:10.1016/j.bioorg.2019.102975
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(1979)Doi:10.1021/acs.orglett.8b00873
(2018)