摘要:
This invention provides caspase inhibitors of formula I: wherein Z is oxygen or sulfur; R1 is hydrogen, —CHN2, R, CH2OR, CH2SR, or —CH2Y; Y is an electronegative leaving group; R2 is CO2H, CH2CO2H, or esters, amides or isosteres thereof; R3 is a group capable of fitting into the S2 subsite of a caspase enzyme; R4 and R5 are taken together with the intervening nitrogen to form heterocyclic ring and R is as described in the specification. The compounds are effective inhibitors of apoptosis and IL-1&bgr; secretion.
摘要翻译:本发明提供了式I的半胱天冬酶抑制剂:其中Z是氧或硫; R 1是氢,-CHN 2,R 1,CH 2 OR,CH 2 SR或-CH 2 Y; Y是电负离子团; R 2是CO 2 H,CH 2 CO 2 H或其酯,酰胺或等体积体; R 3是能够适应半胱天冬酶的S2亚位点的基团; R 4和R 5与中间的氮一起形成杂环,R如说明书中所述。 这些化合物是凋亡和IL-1β分泌的有效抑制剂。
摘要:
This invention describes novel pyrazole compounds of formula I′: wherein Q′ is —O—, —C(R6′)2—, 1,2-cyclopropanediyl, 1,2-cyclobutanediyl, or 1,3-cyclopropanediyl, and R1 is T-Ring D, wherein Ring D is a 5-7 membered monocyclic ring or 8-10 membered bicyclic ring selected from aryl, heteroaryl, heterocyclyl or carbocyclyl; Rx and Ry are independently selected from T—R3 or L—Z—R3, or Rx and Ry are taken together with their intervening atoms to form a fused, unsaturated or partially unsaturated, 5-7 membered ring having 0-3 heteroatoms; and R2 and R2′ are as described in the specification. The compounds are useful as protein kinase inhibitors, especially as inhibitors of Aurora-2 and GSK-3, for treating diseases such as cancer, diabetes and Alzheimer's disease.
摘要:
A diffractive/refractive hybrid lens for use in an optical data storage system as an objective is provided by a convex-plano singlet having a refractive element defined by plano-convex surfaces and a diffractive element defined by a Fresnel zone-like pattern on the plano surface which together provide the total power of the lens. The refractive lens is made of a high index, high dispersion glass so that the curvature and thickness of the refractive lens is minimized while providing a large numerical aperture (at least 0.45) at the expense of increased longitudinal chromatic aberration, which are compensated by the diffractive element and without the need for one or more additional curved surfaces as in low index biaspheric glass objective lenses for chromatic and mono-chromatic aberration reduction, which increases the thickness and curvatures of the lens. The invention enables longitudinal chromatic aberration to be corrected for at least a 10 nm band width around a center wavelength over a 20 nm range, as results when different lasers are used and as laser power varies during optical data storage on an optical data storage device (an optical disk). The thin, light weight low curvature achromat has maximum tolerance for various possible manufacturing errors such as decentering, variations in thickness of the lens, tilt and focal length especially for on-axis field of view less than 2.degree. while providing a very high quality spot (Strehl ratio of at least 0.9.).
摘要:
The present invention relates to pyrazine compounds useful as inhibitors of ATR protein kinase. The invention also relates to pharmaceutically acceptable compositions comprising the compounds of this invention; methods of treating of various diseases, disorders, and conditions using the compounds of this invention; processes for preparing the compounds of this invention; intermediates for the preparation of the compounds of this invention; and methods of using the compounds in in vitro applications, such as the study of kinases in biological and pathological phenomena; the study of intracellular signal transduction pathways mediated by such kinases; and the comparative evaluation of new kinase inhibitors.The compounds of this invention have formula I: wherein the variables are as defined herein.
摘要:
A method of preparing a compound represented by Structural Formula (I): or a pharmaceutically acceptable salt thereof, wherein the variables of Structural Formula (I) are as described in the specification and claims, comprises the step of: a) cyclizing a compound represented by Structural Formula A: under suitable reductive cyclization conditions to form a compound represented by Structural Formula B: wherein R10 is LG1 or —X1R1, and -LG1 is a suitable leaving group; and b) optionally, when R10 of Structural Formula (B) is LG1, further comprising the step of replacing the -LG1 of Structural Formula (B) with —X1R1 to form the compound represented by Structural Formula (I).
摘要:
The present invention relates to compounds useful as inhibitors of protein kinase. The invention also provides pharmaceutically acceptable compositions comprising said compounds and methods of using the compositions in the treatment of various disease, conditions, or disorders. The invention also provides processes for preparing compounds of the inventions.
摘要:
A gate valve comprises a valve body having an internal working fluid passage and an internal gate chamber extending transverse to the working fluid passage. In addition, the gate valve comprises a gate disposed in the internal gate chamber and movable within the gate chamber between a closed position obstructing fluid flow through the working fluid passage and an open position allowing fluid flow through the working fluid passage. Further, the gate valve comprises an internal sealing arrangement coaxially disposed in the working fluid passage and extending between the valve body and the gate to form a barrier between the internal working fluid passage and the gate chamber. The internal sealing arrangement includes a frustoconical metal sealing surface adapted to sealingly engage an opposed mating frustoconical metal sealing surface on the valve body to form a first tapered metal-to-metal seal between the sealing arrangement and the valve body.
摘要:
The present invention relates to compounds useful as inhibitors of protein kinase. The invention also provides pharmaceutically acceptable compositions comprising said compounds and methods of using the compositions in the treatment of various disease, conditions, or disorders. The invention also provides processes for preparing compounds of the inventions.
摘要:
The present invention relates to compounds useful as inhibitors of protein kinase, represented by Structural Formula (I): wherein the variables in Structural Formula (I) are as described herein. The invention also provides pharmaceutically acceptable compositions comprising said compounds and methods of using the compositions in the treatment of various disease, conditions, or disorders. The invention also provides processes for preparing compounds of the inventions.
摘要:
The present invention relates to compounds useful as inhibitors of protein kinase. The invention also provides pharmaceutically acceptable compositions comprising said compounds and methods of using the compositions in the treatment of various disease, conditions, or disorders. The invention also provides processes for preparing compounds of the inventions.