摘要:
This invention features a template for synthesizing combinatorial libraries, methods of synthesizing combiatorial libraries of chemical compounds utilizing the template, and combinatorial libraries of chemical compounds formed by the methods of this invention.
摘要:
The invention is directed to glycopeptide antibiotics and their aglycones that are engineered to overcome bacterial resistance by replacement of a single, specific peptide carboxamide group in the core peptide of the glycopeptide antibiotic with an amidine group. The amidine pseudopeptide analog of the glycopeptide is effective in killing vancomycin-resistant bacteria at therapeutically achievable concentrations in a patient. For example, a [ψ[C(═NH)NH]Tpg4]- vancomycin aglycon designed to exhabit the dual binding to D-Ala-D-Ala and D-Ala-D-Lac needed to reinstate activity against vancomycin-resistant bacteria has been shown to overcome a common mode of bacterial resistance to the “last resort” antibiotics of the glycopeptide class. The pseudopeptide amidine analogs can be prepared from corresponding pseudopeptide thioamide analogs, which can be prepared synthetically, semi-synthetically, or biosynthetically.
摘要翻译:本发明涉及糖肽抗生素及其糖苷配基,其被工程化以通过用脒基团替代糖肽抗生素的核心肽中的单个特异性肽羧酰胺基来克服细菌耐药性。 糖肽的脒假肽类似物在患者中以治疗可达到的浓度杀死万古霉素抗性细菌是有效的。 例如,设计用于排除与D-Ala-D-Ala和D-Ala-D-Lac的双重结合的[ψ[C(= N NH)NH] Tpg4]万古霉素苷元需要恢复对万古霉素抗性细菌的活性 已被证明可克服对糖肽类的“最后手段”抗生素的细菌耐药性的共同模式。 假肽脒类似物可以由相应的假肽硫代酰胺类似物制备,其可以合成,半合成或生物合成制备。
摘要:
A 10′-fluoro-vinca alkaloid compound or its pharmaceutically acceptable salt is disclosed, as are methods of its preparation and use. A disclosed 10′-fluoro-vinca alkaloid compound has better cytotoxic potency against leukemia and cancer cell lines, and is about 8-times more cytotoxic to a multiple drug resistant cancer cell line than is a parental 10′-unsubstituted vinca alkaloid.
摘要:
Angiogenesis, tumor growth, and metalloproteinase 2 (MMP2) interaction with integrin-αvβ3 are inhibited by an inhibitor compound of formula: wherein G1 and G2 are each independently —NH—C(O)—O—(CH2)v—(C6H4)—X3 ; Y1 and Y2 are each independently —OH or C1-C4 alkoxy; X1 and X2 are each independently halo or C1-C4 alkoxy; X3 is fluoro, nitro, C1-C4 alkyl, C1-C4 alkoxy, or C1-C4 perfluoroalkyl; Z is —C≡C—, —C6H4—, cis-CH═CH—, trans-CH═CH—, cis-CH2—CH═CH—CH2—, trans-CH2—CH═CH—CH2—, 1,4-naphthyl, cis-1,3-cyclohexyl, trans-1,3-cyclohexyl, cis-1,4-cyclohexyl, or trans-1,4-cyclohexyl; A is H or a covalent bond; m and n are each 1; t is an integer having a value of 0 or 1; p and r are each 2, and v is 1; with the proviso that when A is H, t is 0, and when A is a covalent bond, t is 1.
摘要:
Potent inhibitors of fatty acid amide hydrolase (FAAH) are constructed having Ki's below 200 pM and activities 102-103 times more potent than the corresponding trifluoromethyl ketones. The potent inhibitors combine several features, viz.: 1.) an &agr;-keto heterocylic head group; 2.) a hydrocarbon linkage unit employing an optimal C12-C8 chain length; and 3.) a phenyl or other &pgr;-unsaturation corresponding to the arachidonyl &Dgr;8.9/&Dgr;11.12 and/or oleyl &Dgr;9.10 positions. A preferred &agr;-keto heterocylic head group is &agr;-keto N4 oxazolopyridine, with incorporation of a second weakly basic nitrogen. Fatty acid amide hydrolase is an enzyme responsible for the degradation of oleamide (an endogenous sleep-inducing lipid) and anandamide (an endogenous ligand for cannabinoid receptors).
摘要:
Inhibitors of oleamide hydrolase, responsible for the hydrolysis of an endogenous sleep-inducing lipid (1, cis-9-octadecenamide) were designed and synthesized. The most potent inhibitors possess an electrophilic carbonyl group capable of reversibly forming a (thio) hemiacetal or (thio) hemiketal to mimic the transition state of a serine or cysteine protease catalyzed reaction. In particular, the tight binding .alpha.-keto ethyl ester 8 (1.4 nM) and the trifluoromethyl ketone inhibitor 12 (1.2 nM) were found to have exceptional inhibitory activity. In addition to the inhibitory activity, some of the inhibitors displayed agonist activity which resulted in the induction of sleep in laboratory animals.
摘要:
Certain tetracyclic compounds are described, which may be used in pharmaceutical compositions and methods for treating disease states, disorders, and conditions mediated by fatty acid amide hydrolase (FAAH) activity. Thus, the compounds may be administered to treat, e.g., anxiety, pain, inflammation, sleep disorders, eating disorders, or movement disorders (such as multiple sclerosis).
摘要:
The invention provides a series of C4-substituted oxazole compounds having an alpha keto side chain at the 2 position, for example, compounds of formula I. The compounds can inhibit fatty acid amide hydrolase and can be useful for treatment of malconditions modulated by fatty acid amide hydrolase. The invention further provides methods of making compounds of formula I, useful intermediates in the preparation of compounds of formula I, and methods of using compounds of formula 1 and compositions thereof.
摘要:
The invention provides a series of -αketoheterocyclic compounds, for example, compounds of formula (I). The compounds can inhibit fatty acid amide hydrolase and can be useful for treatment of malconditions modulated by fatty acid amide hydrolase. The invention further provides methods of making compounds of formula (I), useful intermediates for the preparation of compounds of formula (I), and methods of using compounds of formula (I) and compositions thereof.
摘要:
A series of substituted oxazole compounds having an alpha keto side chain at the 2 position and an aromatic, heteroaromatic or heterocycle substituent at the 5 position are disclosed. These compounds exhibit inhibition of fatty acid amid hydrolase and arc useful for treatment of malconditions involving that enzyme.