摘要:
A hydroxyfattysulfonic acid analog represented by Formula (I): wherein X is an ethylene group, a vinylene group or an ethynylene group; Y is an ethylene group, a vinylene group, an ethynylene group, OCH 2 or S(O)pCH 2 wherein p is 0, 1 or 2; m is an integer of 1 to 5 inclusive; n is an integer of 0 to 4 inclusive;R 1 is a C 1-8 alkyl group, a C 3-8 cycloalkyl group, a C 1-4 alkyl group substituted with a C 3-8 cycloalkyl group, a C 1-4 alkyl group substituted with an aryl group or a C 1-4 alkyl group substituted with an aryloxy group; R 2 is a hydrogen atom or a methyl group; R 1 and R 2 together with the carbon atom to which they are attached may form a C 3-8 cycloalkyl group; R 3 is a hydrogen atom or a C 2-8 acyl group; R 4 is OR 5 or NHR 6 , wherein R 5 is a hydrogen atom, a C 1-4 alkyl group, an alkali metal, an alkaline earth metal or an ammonium group and R 6 is a hydrogen atom or a C 1-4 alkyl group; or a pharmaceutically acceptable salt or a hydrate thereof. The compounds of the present invention are useful as an elastase release inhibitor.
摘要翻译:由式(I)表示的羟基脂肪磺酸类似物:其中X是亚乙基,亚乙烯基或亚乙炔基; Y是亚乙基,亚乙烯基,亚乙炔基,OCH 2或S(O)pCH 2,其中p是0,1或2; m为1〜5的整数, n为0〜4的整数,R 1为C 1-8烷基,C 3-8环烷基,被C 3-8环烷基取代的C 1-4烷基,C 1-4烷基 被芳基或被芳氧基取代的C 1-4烷基取代; R 2是氢原子或甲基; R 1和R 2与它们所连接的碳原子一起可以形成C 3-8环烷基; R 3是氢原子或C 2-8酰基; R 4是OR 5或NHR 6,其中R 5是氢原子,C 1-4烷基,碱金属,碱土金属或铵基,R 6是 氢原子或C 1-4烷基; 或其药学上可接受的盐或其水合物。 本发明的化合物可用作弹性蛋白酶释放抑制剂。
摘要:
Disclosed are compounds as well as methods of using thereof in oil and gas operations. The compounds described herein can be used in Enhanced Oil Recovery (EOR) formulations to provide aqueous stability and ultra-low interfacial tension region. Accordingly, also provided are aqueous compositions for use in EOR that comprise the compounds described herein.
摘要:
Haloalkane sulfonic acids and salts thereof are provided. In embodiments, a haloalkane sulfonic acid or salt thereof comprises an alkyl group, at least one sulfonic acid group, and one or more halogens selected from Cl, Br, I, and F, the haloalkane sulfonic acid having a total number of carbon atoms of from 2 to 9, and wherein if at least one F atom is present, the haloalkane sulfonic acid comprises at least one other halogen selected from Cl, Br, and I. Methods of making and using the haloalkane sulfonic acids/salts are also provided.
摘要:
The present disclosure relates to spun ABPBI fibers and a process for the preparing spun ABPBI fibers using high molecular weight ABPBI dope solution suitable for spinning. The present disclosure further relates to the process for preparing high molecular weight ABPBI dope solution suitable for spinning. The spun ABPBI fibers of the present disclosure can be used in the preparation of high temperature thermally resistant articles.
摘要:
A photoacid compound comprising a light absorbing moiety attaching a payload moiety through a linker, in which the linker comprises a geminal dialkyl linked to a carbonyl group attaching the payload moiety, and the linker is configured to present the carbonyl oxygen for reaction with a hydroxyl group presented on the light absorbing moiety in ortho position to the linker.
摘要:
A polymer is provided in which a sulfonic group or a derivative thereof is introduced. The polymer includes a unit represented by the following chemical formula (1): wherein R represents -A 1 -SO 2 R 1 ; A 1 is selected from an alkylene group, a heterocyclic ring, an aromatic ring; and -SO 2 R 1 is a sulfonic group or of a derivative of a sulfonic acid.
摘要翻译:提供其中引入了磺酸基或其衍生物的聚合物。 聚合物包括由以下化学式(1)表示的单元:其中R表示-A 1 -SO 2 R 2 R 1。 A 1选自亚烷基,杂环,芳环; 和-SO 2 R 1是磺酸基或磺酸衍生物。
摘要:
The subject matter of the invention is a process for the production of metal salts of trifluoromethane sulphonic acid by reacting trifluoromethane sulphonic acid with a metal alcoholate and the use thereof as esterification catalyst and/or transesterification catalyst for the production of hydroxycarboxylic acid esters.
摘要:
Provided herein are solid forms of osanetant, including salts thereof, processes for making the solid forms, and their therapeutic methods of use. Also provided is a process for preparing osanetant, and intermediates for use in the same.