Patent number: 6048877
Abstract: Tetralone derivatives of the formula ##STR1## where R.sup.1 is halo, alkyl, alkenyl, alkynyl, cycloalkyl, aryl, (aryl)alkenyl, (aryl)alkynyl, alkoxy, O-alkenyl, O-aryl, O-alkyl(heterocyclo), COO-alkyl,alkanoyl, CO-amino, CO-substituted amino, alkyl-CO-amino, alkyl-CO-substituted amino, NHCO-alkyl, NHCO-aryl, NHCO-alkyl(heterocyclo), N(alkyl)CO-alkyl, N(alkyl)CO-aryl, N(alkyl)CO-heterocyclo, N(alkyl)CO-alkyl(heterocyclo);R.sup.2 is hydrogen, alkyl, halo, aryl, alkoxy, amino, substituted amino;R.sup.3 is oxo, hydroxy, alkoxy, O--COalkyl, --O--COaryl, --O--COheterocyclo, NOH, NO-alkyl, N-amino, N-substituted amino, N-NHCONHalkyl, N-NHSO.sub.2 alkyl, N-NHSO.sub.2 aryl, amino, substituted amino, NHCO-alkyl, NHCO-aryl, NHCO-heterocyclo, spiroheterocyclo;R.sup.4 is hydrogen, alkyl, alkyl(COalkyl), alkyl(COOalkyl); orR.sup.3 and R.sup.4 taken together with the atoms to which they are attached form a five- to seven-membered ring which can contain up to three heteroatoms selected from oxygen, nitrogen and sulfur;R.sup.
Type:
Grant
Filed:
January 20, 1998
Date of Patent:
April 11, 2000
Assignee:
Bristol-Myers Squibb Company
Inventors:
Saleem Ahmad, Philip D. Stein, Francis N. Ferrara, Karnail S. Atwal
Patent number: 6034136
Abstract: Disclosed are compound of formula I whereinR represents hydrogen, lower alkyl, cycloalkyl, bicycloalkyl, adamantyl, aryl, biaryl, or mono- or di-(cycloalkyl, aryl or biaryl)-lower alkyl, di-(lower alkyl or aryl-lower alkyl)amino-lower alkyl, or (piperidino, morpholino, pyrrolidino)-lower alkyl;R.sub.1 represents hydrogen, lower alkyl, cycloalkyl, aryl, biaryl, or (cycloalkyl, aryl or biaryl)-lower alkyl;R.sub.2 represents hydrogen, lower alkyl, lower alkoxy, aryl-lower alkyl, aryl-lower alkoxy, amino, mono- or di-(lower alkyl or aryl-lower alkyl)-amino, acylamino, or (lower alkyl or aryl-lower alkyl)-(thio, sulfinyl or sulfonyl);R.sub.3 represents hydrogen, lower alkyl, cycloalkyl, aryl-lower alkyl, cycloalkyl-lower alkyl, or C.sub.2 -C.sub.7 -alkyl interrupted by S, SO, SO.sub.2, O or N--R.sub.5 ;R.sub.4 represents hydrogen or acyl;R.sub.
Type:
Grant
Filed:
March 17, 1998
Date of Patent:
March 7, 2000
Assignee:
Novartis AG
Inventor:
Cynthia A. Fink
Patent number: 5856517
Abstract: Compounds of the formula ##STR1## wherein R.sup.1 and R.sup.1' are independently alkyl, aryl, alkenyl or alkynyl;R.sup.2 and R.sup.2' are independently hydrogen or alkyl;R.sup.4, R.sup.5, R.sup.6 and R.sup.7 each independently are ##STR2## CH.sub.2 OR.sup.10, CHO, CH.sub.2 NR.sup.11 R.sup.12, hydrogen, halogen, cyano, alkyl, hydroxy, alkoxy, aryloxy, haloalkyl, nitro, amino, acylamino, aralkyloxy, monoalkylamino, dialkylamino, alkylthio, alkylsulphinyl or alkylsulphonyl, provided that at least one of R.sup.4, R.sup.5, R.sup.6 or R.sup.7 is cyano, ##STR3## CH.sub.2 OR.sup.10, CH.sub.2 NR.sup.11 R.sup.12, or CHO ; R.sup.8 is alkyl, aralkyl or aryl;R.sup.10 is hydrogen, alkyl, aralkyl or aryl;R.sup.11 and R.sup.
Type:
Grant
Filed:
July 24, 1997
Date of Patent:
January 5, 1999
Assignee:
Hoffmann-La Roche Inc.
Inventors:
Donna Mary Huryn, Dennis Dalton Keith