Derivatives of indan-1,3-dione and indan-1,2,3-trione, methods of preparing them and therapeutic use thereof
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United States of America Patent
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Jul 15, 1997
Grant Date -
N/A
app pub date -
Mar 24, 1994
filing date -
Apr 3, 1992
priority date (Note) -
Expired
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Abstract
Compounds of use in therapy and having the formula: ##STR1## in which R.sub.2 and R.sub.3 independently denote H, C.sub.1 -C.sub.4 alkoxy or OH and (A, B)=(oxygen, oxygen) in which case one out of R and R.sub.1 denotes OH, halogen, secondary amino or tertiary amine and the other denotes NHCOR.sub.4, NHNHCOR.sub.5 or NHNHCOCONH.sub.2, or R and R.sub.1 together form .dbd.N--NH--CO--R'.sub.5, .dbd.N--NH--CO--CO--NH.sub.2, (.dbd.N--NH--R.sub.6, .dbd.N--R.sub.7, .dbd.N--O--CO--R.sub.8 or .dbd.C(CH.sub.3)--NH--NH--CO--R.sub.9 ; or (A, B) .dbd.(N--NH--CX--NHR.sub.10, oxygen) in which case R and R.sub.1 together form .dbd.N--OH.
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