Abstract: A hetero-aromatic (Q) substituted phenyloxazolidinone antimicrobial of Formula (I) wherein Q is a 5-member hetero-aromatic having from one to four nitrogen atoms or alternatively a benzoannulated 5-member hetero-aromatic having from one to four nitrogen atoms where R.sup.1 is independently H, OCH.sub.3, F, or Cl; R.sup.2 is hydrogen, C.sub.1 -C.sub.8 alkyl (optionally substituted with one or more of F, Cl, hydroxy, C.sub.1 -C.sub.8 alkoxy, C.sub.1 -C.sub.8 acyloxy), C.sub.3 -C.sub.6 cycloalkyl, amino, C.sub.1 -C.sub.8 alkylamino, C.sub.1 -C.sub.8 dialkylamino, C.sub.1 -C.sub.8 alkoxy; and each Q is optionally substituted with one or more of H, F, Cl, Br, OR.sup.4, SR.sup.4, S(O).sub.n R.sup.4 (n=1 or 2), CN, O.sub.2 CR.sup.4, NHCOR.sup.4, NHCO.sub.2 R.sup.4, NHSO.sub.2 R.sup.4, CO.sub.2 R.sup.4, CON(R.sup.4).sub.2, COR.sup.4, C.sub.1 -C.sub.8 straight or branched chain alkyl or C.sub.3 -C.sub.

Abstract: The present invention relates to antimicrobial phenyloxazolidinone compounds having a pyrrolidinyl or azetidinyl moiety.

Abstract: A compound of the Formula I: ##STR1## or pharmaceutically acceptable salts thereof wherein X, R, R.sup.1, R.sup.2, R.sup.3 and n are as defined in the disclosure. The oxazine and thiazine oxazolidinone derivatives are useful antimicrobial agents effective against a number of human and veterinary pathogens, including gram-positive aerobic bacteria such as multiply-resistant staphylococci, streptococci, and enterococci as well as anaerobic organisms such as Bacteroides spp. and Clostridia spp. species, and acid-fast organisms such as Mycobacterium tuberculosis, Mycobacterium avium and Mycobacterium spp.

Abstract: The present invention provides for new 5-amidomethyl, .alpha.,.beta.-saturated and--unsaturated butyrolactone antibacterial agents of formula I ##STR1## characterized by 3-aryl substituents that include, for example, indolinyl and phenyl substituted with zero (0) to two(2) halogen atoms and substituted in the para position with, e.g., piperazinyl, thiomorpholinyl (and corresponding sulfoxide and sulfone), thiazolidinyl (and sulfoxide and sulfone), morpholinyl, azetidinyl, pyrrolidinyl, piperidinyl, pyrrolyl, azepinyl, troponyl, 3,7-diazabicyclo?3.3.0!octan-3-yl, bridged thiazinyl or bridged oxazinyl moieties. In those cases where a ring nitrogen is present, then this is substituted to form an amide, formamide, sulfonamide, urethane, or alkylated with a wide variety of moieties.

Abstract: A compound of structural Formula I: ##STR1## or pharmaceutically acceptable salts thereof wherein: each n is independently 1 to 3; Y is choosen from a-n as defined herein; wherein each occurrence of said C.sub.1-6 alkyl may be substituted with one or more F, Cl, Br, I, OR.sup.1, CO.sub.2 R.sup.1, CN, SR.sup.1, or R.sup.1 (where R.sup.1 is a hydrogen or C.sub.1-4 alkyl); X and Z are independently C.sub.1-6 alkyl, C.sub.3-12 cycloalkyl or hydrogen, or X and Z form a C.sub.0-3 bridging group, preferably X and Z are hydrogen; U, V and W are independently C.sub.1-6 alkyl, F, Cl, Br, hydrogen or a C.sub.1-6 alkyl substituted with one or more of F, Cl, Br or I, preferably U and V are F and W is hydrogen; R is hydrogen, C.sub.1-12 alkyl, C.sub.3-12 cycloalkyl, C.sub.1-6 alkoxy, C.sub.1-6 alkyl substituted with one or more F, Cl, Br, I or OH; and q is 0 to 4 inclusive.

Abstract: A compound of structural Formula I: ##STR1## or pharmaceutically acceptable salts thereof wherein: X is O, S, SO, SO.sub.2, SNR.sup.10 or S(O)NR.sup.10 ;R is (a) hydrogen,(b) C.sub.1 -C.sub.8 alkyl optionally substituted with one or more of the following: F, Cl, hydroxy, C.sub.1 -C.sub.8 alkoxy, C.sub.1 -C.sub.8 acyloxy or --O--CH.sub.2 --Ph,(c) C.sub.3 -C.sub.6 cycloalkyl,(d) amino,(e) C.sub.1 -C.sub.8 alkylamino,(f) C.sub.1 -C.sub.8 dialkylamino or(g) C.sub.1 -C.sub.8 alkoxy;R.sup.1 is H, except when X is O then R.sup.1 can be H, CH.sub.3, CN, CO.sub.2 H, CO.sub.2 R or (CH.sub.2).sub.m R.sup.11 (m is 1 or 2);R.sup.2 is independently H, F or Cl;R.sup.3 is H except when X is O and R.sup.1 is CH.sub.3 then R.sup.3 can be H or CH.sub.3 ;R.sup.10 is independently H, C.sub.1 -C.sub.4 alkyl (optionally substituted with chloro, fluoro, hydroxy, C.sub.1 -C.sub.8 alkoxy, amino, C.sub.1 -C.sub.8 alkylamino, or C.sub.1 -C.sub.8 dialkylamino) or p-toluenesulfonyl;R.sup.11 is hydrogen, OH, OR, OCOR, NH.sub.

Abstract: A compound of structural Formula (I) or pharmaceutically acceptable salts thereof wherein: R is --C(O)--R.sup.1, --PO.sub.3 .dbd. or --P(O)(OH).sub.2 ; R.sup.1 is C.sub.1-6 alkyl, --N(R.sup.4).sub.2, C.sub.1-6 alkyl-N(R.sup.4).sub.2, --phenyl--N(R.sup.4).sub.2, --phenyl-NHC(O)CH.sub.2 NH.sub.2, --C.sub.2 H.sub.4 -morpholinyl, pyridinyl, C.sub.1-6 alkyl-OH, C.sub.1-6 alkyl-OCH.sub.3, C.sub.1-6 alkyl C(O)CH.sub.3, --O--C.sub.1-6 alkyl-OCH.sub.3, C.sub.0-3 alkyl-piperazinyl (optionally substituted with C.sub.1-3 alkyl), imidazolyl, C.sub.1-6 alkyl-COOH, --C(CH.sub.2 OH).sub.2 CH.sub.3 ; R.sup.2 and R.sup.3 are independently selected from hydrogen or F except at least one of R.sup.2 or R.sup.3 is F; R.sup.4 are independently selected from hydrogen or C.sub.1-6 alkyl.

Abstract: A compound of structural Formula I: ##STR1## or pharmaceutically acceptable salts thereof wherein: each n is independently 1 to 3; Y is chosen from a-n as defined herein; wherein each occurrence of said C.sub.1-6 alkyl may be substituted with one or more F, Cl, Br, I, OR.sup.1, CO.sub.2 R.sup.1, CN, SR.sup.1, or R.sup.1 (where R.sup.1 is a hydrogen or C.sub.1-4 alkyl); X and Z are independently C.sub.1-6 alkyl, C.sub.3-12 cycloalkyl or hydrogen, or X and Z form a C.sub.0-3 bridging group, preferably X and Z are hydrogen; U, V and W are independently C.sub.1-6 alkyl, F, Cl, Br, hydrogen or a C.sub.1-6 alkyl substituted with one or more of F, Cl, Br or I, preferably U and V are F and W is hydrogen; R is hydrogen, C.sub.1-12 alkyl, C.sub.3-12 cycloalkyl, C.sub.1-6 alkoxy, C.sub.1-6 alkyl substituted with one or more F, Cl, Br, I or OH; and q is 0 to 4 inclusive.