Organic compounds -- part of the class 532-570 series – Organic compounds – Nitrogen attached directly or indirectly to the purine ring...
Patent
1976-06-07
1978-06-06
Rizzo, Nicholas S.
Organic compounds -- part of the class 532-570 series
Organic compounds
Nitrogen attached directly or indirectly to the purine ring...
260 458N, 260 4585S, 260559R, C07D29518
Patent
active
040936180
ABSTRACT:
Ester and amides having the formula ##STR1## wherein R, R.sup.1 and R.sup.2 are independently lower alkyl or cycloalkyl groups, R.sup.3 is hydrogen, alkyl, cycloalkyl, alkylene, phenyl, phenyl substituted by alkyl groups, alkylthioethyl, thiobis-alkylene, alkyleneoxyalkylene, polyoxyalkylene or a polyvalent cyclic or acyclic hydrocarbon radical, R.sup.4 is hydrogen, lower alkyl, cycloalkyl, R.sup.5 is hydrogen, alkyl, phenyl, phenyl subsstituted by alkyl groups, alkylene, a polyvalent cyclic or acyclic hydrocarbon radical or alkyleneoxyalkylene, A is lower alkylene, m is 1 to 4 and n is 1 to 6.
REFERENCES:
patent: 3763176 (1973-10-01), Dexter et al.
patent: 3984460 (1976-10-01), Spivack
patent: 3988363 (1976-10-01), Spivack et al.
Dexter Martin
Spivack John D.
Ciba-Geigy Corporation
Hall Luther A. R.
Rizzo Nicholas S.
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