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    • 53. 发明申请
    • Glycopeptide antibiotics, combinatorial libraries of glycopeptide antibiotics and methods of producing same
    • 糖肽抗生素,糖肽抗生素组合文库及其生产方法
    • US20050075483A1
    • 2005-04-07
    • US10676391
    • 2003-10-01
    • Daniel KahneRobert KernsSeketsu FukuzawaMin GeChristopher Thompson
    • Daniel KahneRobert KernsSeketsu FukuzawaMin GeChristopher Thompson
    • A61K38/00A61K38/14A61K38/16A61P31/04C07K1/00C07K1/04C07K7/50C07K9/00C07K14/00C07K17/00
    • C07K1/047A61K38/00C07K9/008Y10S930/19
    • A glycopeptide of the formula A1-A2-A3-A4-A5-A6-A7, in which each dash represents a covalent bond; wherein A1 comprises a modified or unmodified α-amino acid residue, alkyl, aryl, aralkyl, alkanoyl, aroyl, aralkanoyl, heterocyclic, heterocyclic-carbonyl, heterocyclic-alkyl, heterocyclic-alkyl-carbonyl, alkylsulfonyl, arylsulfonyl, guanidinyl, carbamoyl, or xanthyl; wherein each of A2 to A7 comprises a modified or unmodified α-amino acid residue, whereby (i) A1 is linked to an amino group on A2, (ii) each of A2, A4 and A6 bears an aromatic side chain, which aromatic side chains are cross-linked together by two or more covalent bonds, and (iii) A7 bears a terminal carboxyl, ester, amide, or N-substituted amide group; and wherein one or more of A1 to A7 is linked via a glycosidic bond to one or more glycosidic groups each having one or more sugar residues, at least one of the sugar residues bearing one or more substituents of the formula YXR, N+(R1)═CR2R3, N═PR1R2R3, N+R1R2R3 or P+R1R2R3 in which Y is a single bond, O, NR1 or S; X is O, NR1, S, SO2, C(O)O, C(O)S, C(S)O, C(S)S, C(NR1)O, C(O)NR1, or halo (in which case Y and R are absent). A chemical library comprising a plurality of the glycopeptides of the invention. A method for preparing a glycopeptide by glycosylation of an aglycone derived from a glycopeptide antibiotic. A method for preparing a glycopeptide by preparing a pseudoaglycone from a glycopeptide antibiotic and glycosylating the pseudoaglycone.
    • 式A1-A2-A3-A4-A5-A6-A7的糖肽,其中每个短划线代表共价键; 其中A1包含经修饰或未修饰的α-氨基酸残基,烷基,芳基,芳烷基,烷酰基,芳酰基,芳烷酰基,杂环,杂环羰基,杂环烷基,杂环 - 烷基 - 羰基,烷基磺酰基,芳基磺酰基,胍基,氨基甲酰基或 呫吨 其中A2至A7各自包含经修饰或未修饰的α-氨基酸残基,由此(i)A1与A2上的氨基连接,(ii)每个A2,A4和A6均带有芳香侧链,该芳族侧 链通过两个或更多个共价键交联在一起,和(iii)A7具有末端羧基,酯,酰胺或N-取代的酰胺基; 并且其中A1至A7中的一个或多个通过糖苷键连接至每个具有一个或多个糖残基的一个或多个糖苷基,至少一个含有一个或多个式YXR,N + (R1)= CR2R3,N = PR1R2R3,N + R1R2R3或P + R1R2R3,其中Y为单键,O,NR1或S; X是O,NR1,S,SO2,C(O)O,C(O)S,C(S)O,C(S)S,C(NR1)O,C(O)NR1或卤素 哪种情况下Y和R不存在)。 包含本发明多种糖肽的化学文库。 通过糖衍生自糖肽抗生素的糖苷配基制备糖肽的方法。 一种通过从糖肽抗生素制备假糖苷配基并糖基化假糖苷配基来制备糖肽的方法。
    • 60. 发明申请
    • Method to center locate cutter teeth on shrouded turbine blades
    • 将覆盖的涡轮叶片上的切割齿定位的方法
    • US20080292466A1
    • 2008-11-27
    • US11805528
    • 2007-05-24
    • Daniel TragesserIan ReevesChristopher ThompsonTodd Moran
    • Daniel TragesserIan ReevesChristopher ThompsonTodd Moran
    • F01D5/12
    • F01D5/225F05D2230/232F05D2230/238Y10T29/49318
    • The present application further describes a method for extending the operating life of a tip shrouded turbine blade that includes the steps of: 1) removing an end located cutter tooth from a seal rail of a tip shroud, the end located cutter tooth including a cutter tooth located at the end of one of the suction side and pressure side of the seal rail of the tip shroud; and 2) attaching a center located cutter tooth to the seal rail of the tip shroud, the center located cutter tooth including a cutter tooth that is located in the approximate center of the seal rail of the tip shroud. In such method, the center located cutter tooth may be attached to the seal rail such that the center located cutter tooth is inside the airfoil if it were projected radially outward from the narrowest point below a tip shroud fillet.
    • 本申请进一步描述了一种用于延长尖端覆盖的涡轮机叶片的使用寿命的方法,其包括以下步骤:1)从尖端护罩的密封轨道移除端部定位的切割齿,该端部定位的切割齿包括切割齿 位于尖端护罩的密封导轨的吸力侧和压力侧之一的端部; 以及2)将中心定位的切割齿附接到尖端护罩的密封轨道,所述中心定位的切割齿包括位于尖端护罩的密封轨道的大致中心处的切割齿。 在这种方法中,位于中心的切割齿可以附接到密封轨道,使得如果中心定位的切割齿从尖端护罩圆角下方的最窄点径向向外突出,则其位于翼型内部。