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US 5,302,722 AGranted
3-carboxy-pyrrole derivatives
AssigneeEli Lilly and Company
InventorsCharles J. Barnett, Thomas M. Wilson
Life of this patent
Estimating the term…
Abstract
This invention relates to intermediates and processes thereto, for the preparation of 5,6-dihydropyrro[2,3-d] pyrimidines which are useful for the treatment of susceptible neoplasms.
Claims14
A compound of formula II ##STR15## wherein R is C.sub.1 -C.sub.4 alkyl or phenyl which may be substituted;
- and
- R.sup.1 is H, C.sub.1 -C.sub.4 alkyl, phenyl which may be substituted or benzyl;
- or a salt thereof.
A compound of formula III ##STR16## wherein R is C.sub.1 -C.sub.4 alkyl or phenyl which may be substituted;
- and
- R.sup.1 is H, C.sub.1 -C.sub.4 alkyl, phenyl which may be substituted or benzyl;
- and
- R.sup.2 is C.sub.1 -C.sub.4 alkyl;
- or a salt thereof.
2 more elements
A compound of formula IV ##STR17## wherein R is C.sub.1 -C.sub.4 alkyl or phenyl which may be substituted;
- and
- R.sup.1 is H, C.sub.1 -C.sub.4 alkyl, phenyl which may be substituted or benzyl;
- or a salt thereof.
Dependencies are inferred from the claim text.