Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Patent
1995-06-07
1998-06-02
Gupta, Yogendra N.
Organic compounds -- part of the class 532-570 series
Organic compounds
Heterocyclic carbon compounds containing a hetero ring...
549466, C07D30783
Patent
active
057602506
ABSTRACT:
Compounds of the formula ##STR1## wherein R.sup.1, R.sup.2, R.sup.3 and R.sup.4 are independently hydrogen, halogen, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, acetoxy or acyl, and processes for preparing the same.
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Cox Brian Geoffrey
DeBoos Gareth Andrew
Fielden Jan Michael
Jones John David
Wilkinson Paul
Gupta Yogendra N.
Thomson Marian T.
Zeneca Limited
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