Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1983-04-28
1984-09-04
Schwartz, Richard A.
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
546245, C07D41312
Patent
active
044698704
ABSTRACT:
Nitrobenzofurazan derivatives having the formula ##STR1## are provided wherein R.sub.1 and R.sub.2 each is hydrogen, lower alkyl or phenyl-lower alkyl; R.sub.3 is hydrogen, hydroxy or lower alkyl; R.sub.4 is hydrogen or lower alkyl; m is 2 or 3; and n is 0, 1 or 2; these compounds are useful analytical tools.
REFERENCES:
patent: 4179568 (1979-12-01), Cohen et al.
Egli Peter
Heald Anthony F.
Ita Callixtus E.
E. R. Squibb & Sons Inc.
Levinson Lawrence S.
Rodney Burton
Schwartz Richard A.
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