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    • 2. 发明申请
    • SYNTHESIS OF TRANS-TERT-BUTYL-2-AMINOCYCLOPENTYLCARBAMATE
    • 转化叔丁基-2-氨基环戊二烯酸的合成
    • US20100120031A1
    • 2010-05-13
    • US12441925
    • 2007-09-21
    • Daniel H. AppellaQun XuNing Zhang
    • Daniel H. AppellaQun XuNing Zhang
    • C12Q1/68C07C271/06C07C233/01C07C247/02C07K1/00G01N33/48C07K9/00
    • C07C271/24C07B2200/07C07C303/40C07C2601/08C07K14/003Y10T436/143333C07C311/20
    • The present invention concerns methods of synthesis of trans-tert-butyl-2-aminocylcopentylcarbamate comprising contacting 6-tosyl-6-azabicyclo[3.1.0]hexane with TMSN3 and TBAF to produce 2-azido-N-tosylcyclopentananiine; reducing the 2-azido-N-tosylcyclopentanamine to produce 2-amino-N-tosylcyclopentanamine; contacting the 2-amino-N-tosylcyclopentanamine with di-tert/-butyl dicarbonate to produce tert-butyl-2-(tosylamino)cyclopentylcarbamate; and detosylation of tert-butyl O(tosylamino) cyclopentylcarbamate to produce trans-tert-butyl-2-aminocyclopentylcarbamate. The invention also concerns PNAs comprising residues of the monomers of the invention in the backbone and uses of such PNAs. The PNAs of the invention can be used to detect DNAs of infectious agents or to suppress expression of protein associated with cancer.
    • 本发明涉及合成反式 - 叔丁基-2-氨基十八烷基戊基氨基甲酸酯的方法,其包括使6-甲苯磺酰基-6-氮杂双环[3.1.0]己烷与TMSN3和TBAF接触以产生2-叠氮基-N-甲苯磺酰基大环内酯; 还原2-叠氮-N-甲苯磺酰基环戊胺以制备2-氨基-N-甲苯磺酰基环戊胺; 使2-氨基-N-甲苯磺酰基环戊胺与二碳酸二叔丁酯接触以产生叔丁基-2-(甲苯磺酰氨基)环戊基氨基甲酸酯; 和叔丁基O(甲苯磺酰氨基)环戊基氨基甲酸酯的去甲苯基化,得到反式 - 叔丁基-2-氨基环戊基氨基甲酸酯。 本发明还涉及包含骨架中本发明的单体的残基的这些PNA的用途和这种PNA的用途。 本发明的PNA可用于检测感染因子的DNA或抑制与癌症相关的蛋白质的表达。
    • 4. 发明授权
    • Polytriazoles constructed by 1,3-dipolar cycloaddition
    • 由1,3-偶极环加成构成的三叉唑
    • US07772358B2
    • 2010-08-10
    • US11896675
    • 2007-09-05
    • Benzhong TangAnjun QinMatthias Haeussler
    • Benzhong TangAnjun QinMatthias Haeussler
    • C08G73/08C07C247/02C07C247/16
    • C08F24/00C08F26/06C08F30/04
    • A process of synthesizing hyperbranched polytriazoles, linear and hyperbranched poly(aroyltriazoles) by Huisgen 1,3-dipolar cycloaddition. The polytriazoles were prepared by A2+B3 method to avoid self-polymerization during monomer preparation and storage. The polymers are light emissive and can be crosslinked to generate well-resolution photopatterns upon UV irradiation. White light emission patterns were observed with fluorescence microscopy. The high molecular weight poly(aroyltriazoles) (up to 26000 Da) are prepared in high yields (up to 92.0%) and with high regioselectivity (the ratio of 1,4- and 1,5-disubstituted 1,2,3-triazole is equal or larger than 9:1). The polycyclomerization is not moisture or oxygen sensitive and therefore, no special precautions are necessary before and during the reaction. All the polymers are processible, easily film-forming, and curable into thermosets by heat or irradiation. The hyperbranched polymers can act as fluorescent adhesive materials with large tensile strength.
    • 通过Huisgen 1,3-偶极环加成合成超支化聚三唑,线性和超支化聚(芳酰基三唑)的方法。 通过A2 + B3方法制备聚三唑,以避免单体制备和储存过程中的自聚合。 聚合物是发光的并且可以交联以在UV照射时产生良好分辨率的光图案。 用荧光显微镜观察白光发射模式。 高分子量聚(芳基三唑)(高达26000Da)以高产率(高达92.0%)和高分辨率选择性(1,4和1,5-二取代的1,2,3-三唑的比例 等于或大于9:1)。 多重环化不是水分或氧气敏感的,因此在反应之前和期间都不需要特别的预防措施。 所有的聚合物都是可加工的,易成膜的,并且通过热或照射可固化成热固性材料。 超支化聚合物可以作为具有大拉伸强度的荧光粘合剂材料。