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    • 1. 发明授权
    • Alkyl and aryl-thiotrifluoroacetates and process
    • 烷基和芳基 - 三油酰氯酸盐和方法
    • US07470810B2
    • 2008-12-30
    • US11032734
    • 2005-01-11
    • Padam N. SharmaEdward J. GubloSusan D. BoettgerSaibaba RachaJohn Usher
    • Padam N. SharmaEdward J. GubloSusan D. BoettgerSaibaba RachaJohn Usher
    • C07C321/04
    • C07C327/22C07C231/02C07C2603/74Y02P20/55C07C233/48
    • Novel C3-C19 alkyl- and aryl-thiotrifluoroacetates are provided which have the structure wherein Q is C9-C19 alkyl or aryl, and are useful protecting agents for the amino or hydroxy functional groups of amines, amino acids or primary or secondary alcohols or amino alcohols to enable formation of amide bonds in peptides or proteins which are useful as screening agents, pharmaceuticals and cosmetics. A process for preparing C3-C19 alkyl- and aryl-thiotrifluoroacetates is also provided wherein a C3-C19 alkylthiol or arylthiol is treated with trifluoroacetic anhydride (TFAA) in the presence of organic base such as pyridine, a solvent such as dichloromethane (DCM) and dimethylaminopyridine (DMAP) as a catalyst to form the desired C3-C19 alkyl- or aryl-thiotrifluoroacetate.In addition, a process for protecting a primary or secondary amino group or a primary or secondary hydroxyl group or an amino alcohol with a trifluoroacetyl protecting group is provided wherein a primary or secondary amine, amino acid, a primary or secondary alcohol or an amino alcohol is treated with a C3 to C19 alkyl- or aryl-thiotrifluoroacetate in basic aqueous solution.
    • 提供新的C3-C19烷基 - 和芳基 - 三油酸乙酯,其具有其中Q是C9-C19烷基或芳基的结构,并且是胺,氨基酸或伯或仲醇或氨基的氨基或羟基官能团的有用的保护剂 醇,以在肽或蛋白质中形成酰胺键,其可用作筛选剂,药物和化妆品。 还提供了制备C 3 -C 19烷基 - 和芳基 - 三硫代三氟乙酸盐的方法,其中在有机碱如吡啶,溶剂如二氯甲烷(DCM))存在下,用三氟乙酸酐(TFAA)处理C 3 -C 19烷基硫醇或芳基硫醇, 和二甲基氨基吡啶(DMAP)作为催化剂形成所需的C 3 -C 19烷基 - 或芳基 - 三硫代三氟乙酸盐。 另外,提供了用三氟乙酰基保护基保护伯或仲氨基或伯或仲羟基或氨基醇的方法,其中伯胺或仲胺,氨基酸,伯或仲醇或氨基醇 在碱性水溶液中用C3至C19烷基 - 或芳基 - 三硫代三氟乙酸盐处理。
    • 2. 发明申请
    • Novel alkyl- and aryl-thiotrifluoroacetates and process
    • 新型烷基 - 和芳基 - 三硫代三氟乙酸盐和方法
    • US20050159612A1
    • 2005-07-21
    • US11032734
    • 2005-01-11
    • Padam SharmaEdward GubloSusan BoettgerSaibaba RachaJohn Usher
    • Padam SharmaEdward GubloSusan BoettgerSaibaba RachaJohn Usher
    • C07C231/02C07C233/48C07C323/22C07C327/22C07C333/02C07C233/58
    • C07C327/22C07C231/02C07C2603/74Y02P20/55C07C233/48
    • Novel C3-C19 alkyl- and aryl-thiotrifluoroacetates are provided which have the structure wherein Q is C9-C19 alkyl or aryl, and are useful protecting agents for the amino or hydroxy functional groups of amines, amino acids or primary or secondary alcohols or amino alcohols to enable formation of amide bonds in peptides or proteins which are useful as screening agents, pharmaceuticals and cosmetics. A process for preparing C3-C19 alkyl- and aryl-thiotrifluoroacetates is also provided wherein a C3-C19 alkylthiol or arylthiol is treated with trifluoroacetic anhydride (TFAA) in the presence of organic base such as pyridine, a solvent such as dichloromethane (DCM) and dimethylaminopyridine (DMAP) as a catalyst to form the desired C3-C19 alkyl- or aryl-thiotrifluoroacetate. In addition, a process for protecting a primary or secondary amino group or a primary or secondary hydroxyl group or an amino alcohol with a trifluoroacetyl protecting group is provided wherein a primary or secondary amine, amino acid, a primary or secondary alcohol or an amino alcohol is treated with a C3 to C19 alkyl- or aryl-thiotrifluoroacetate in basic aqueous solution.
    • 提供新的C 3 -C 20烷基 - 和芳基 - 三油酸乙酯,其具有其中Q为C 9 -C 19的结构 并且是用于胺,氨基酸或伯或仲醇或氨基醇的氨基或羟基官能团的有用的保护剂,以使肽或蛋白质中的酰胺键能够形成,其可用作筛选剂, 药品和化妆品。 还提供了制备C 3 -C 20 - 烷基 - 和芳基 - 三硫代三氟乙酸盐的方法,其中C 3 -C 19 - 在有机碱如吡啶,溶剂如二氯甲烷(DCM)和二甲基氨基吡啶(DMAP)等催化剂存在下,用三氟乙酸酐(TFAA)处理烷基硫醇或芳基硫醇,形成所需的C 3 烷基 - 或芳基 - 三硫代三氟乙酸盐。 另外,提供了用三氟乙酰基保护基保护伯或仲氨基或伯或仲羟基或氨基醇的方法,其中伯胺或仲胺,氨基酸,伯或仲醇或氨基醇 在碱性水溶液中用C 3〜C 19烷基 - 或芳基 - 三硫代三氟乙酸酯处理。
    • 3. 发明授权
    • Mine operation monitoring system
    • 矿井作业监测系统
    • US09234426B2
    • 2016-01-12
    • US13500778
    • 2010-10-08
    • Mark MorrisonJohn UsherChris Green
    • Mark MorrisonJohn UsherChris Green
    • G09G5/00E21F17/00G05B19/418
    • E21F17/00G05B19/41885G05B2219/31466Y02P90/26
    • A method of monitoring a mine operation is disclosed. The method comprises collecting map data associated with a mine operation, the map data being indicative of at least one map representation associated with the mine operation, collecting mine equipment location data indicative of the location of at least one item of mine equipment relative to the mine operation, and facilitating selection and display of a map representation associated with a mine operation. When a map representation associated with a mine operation is displayed, a representation of at least one item of mine equipment on the map representation at a representative location relative to the mine operation.
    • 公开了一种监视矿井作业的方法。 该方法包括收集与矿井操作相关联的地图数据,地图数据表示与矿井操作相关联的至少一个地图表示,收集指示矿井设备相对于矿山至少一个矿物位置的矿井设备位置数据 操作,并且便于选择和显示与矿井操作相关联的地图表示。 当显示与矿场作业相关联的地图表示时,在相对于矿井操作的代表位置处的地图表示上的至少一个矿物设备项目的表示。