Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1992-01-29
1993-02-09
Ivy, C. Warren
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
546111, 568309, 568326, C07D48704, C07D22116, C07C 4554, C07C 49447
Patent
active
051854473
ABSTRACT:
Ketones having formulas (1)-(3) are provided by improved methods which involve the treatment of compounds having formulas (9)-(11) with aqueous base. ##STR1## wherein R.sub.x is NO.sub.2.
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Du Pont Merck Pharmaceutical Company
Ferguson Blair Q.
Ivy C. Warren
Lucci Joe
Twardzik Barbara
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