Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal
Patent
1977-06-24
1979-01-30
Niebling, John
Chemistry of carbon compounds
Miscellaneous organic carbon compounds
C-metal
C09F 700, C11C 300
Patent
active
041372468
ABSTRACT:
Compounds represented by the formula ##STR1## wherein R.sub.1, R.sub.2 and R.sub.3 are lower alkyl, R.sub.4 is lower alkoxy, R.sub.6 and R.sub.8 are methyl or trifluoro methyl, R.sub.9 is formyl, hydroxymethyl, alkoxymethyl, alkanoyloxymethyl, carboxyl, alkoxycarbonyl, lower alkenoxycarbonyl, lower alkynoxycarbonyl, carbamoyl, mono(lower alkyl)-carbamoyl, di(lower alkyl)carbamoyl or N-heterocyclylcarbonyl, R.sub.5, R.sub.7, R.sub.10, R.sub.11 R.sub.12 and R.sub.13 are hydrogen or fluorine with the proviso that at least one of R.sub.5, R.sub.7, R.sub.10, R.sub.11, R.sub.12 or R.sub.13 is fluorine or at least one of R.sub.6 or R.sub.8 is trifluoro methyl,
Or pharmaceutically acceptable salts thereof useful as antitumor agents are disclosed.
REFERENCES:
patent: 3862969 (1975-01-01), Henrick
Chan Ka-Kong
Pawson Beverly A.
Hoffmann-La Roche Inc.
Johnston George W.
Leon Bernard S.
Niebling John
Saxe Jon S.
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