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Class Information
Number: 546/48
Name: Organic compounds -- part of the class 532-570 series > Organic compounds (class 532, subclass 1) > Heterocyclic carbon compounds containing a hetero ring having chalcogen (i.e., oxygen, sulfur, selenium, or tellurium) or nitrogen as the only ring hetero atoms (class 540, subclass 1) > Hetero ring is six-membered consisting of one nitrogen and five carbons > Polycyclo ring system having the six-membered hetero ring as one of the cyclos > Pentacyclo ring system having the six-membered hetero ring as one of the cyclos > Plural ring hetero atoms in the pentacyclo ring system > Three or more ring hetero atoms in the pentacyclo ring system
Description: Compounds wherein the pentacyclo ring system contains at least two ring hetero atoms in addition to the ring nitrogen of the six-membered hetero ring.










Patents under this class:
1 2 3 4 5 6 7 8

Patent Number Title Of Patent Date Issued
8710071 Compounds, compositions and methods for reducing lipid levels Apr. 29, 2014
8685997 Camptothecin derivatives and their use Apr. 1, 2014
8686146 Azaindenoisoquinoline topoisomerase I inhibitors Apr. 1, 2014
8664396 Photoluminescent metal complexes for protein staining Mar. 4, 2014
8648090 Indole alkaloid derivatives having opioid receptor agonistic effect, and therapeutic compositions and methods relating to same Feb. 11, 2014
8618124 Heterobifunctional polymeric bioconjugates Dec. 31, 2013
8614317 Sulfonamide derivatives of polycyclic dyes used for analytical applications Dec. 24, 2013
8609860 Acid-labile trigger units Dec. 17, 2013
8592588 Process to prepare camptothecin derivatives Nov. 26, 2013
8575188 Camptothecin derivatives Nov. 5, 2013
8546419 Dual phase drug release system Oct. 1, 2013
8546573 Process for the preparation of 7-ethyl-10-[4-(1-piperidino)-1-piperdino] carbonyloxy-camptothecin hydrochloride trihydrate Oct. 1, 2013
8530444 Pharmaceutical compounds Sep. 10, 2013
8507477 3- and 6-quinolines with N-attached heterocyclic CGRP receptor antagonists Aug. 13, 2013
8476438 Process for production of camptothecin derivative Jul. 2, 2013
8466287 Process for producing tricyclic ketone Jun. 18, 2013
8436170 Xanthene dyes comprising a sulfonamide group May. 7, 2013
8415348 Nitrogenated derivatives of pancratistatin Apr. 9, 2013
8410045 Camptothecin-peptide conjugates and pharmaceutical compositions containing the same Apr. 2, 2013
8377955 Branched 3- and 6-substituted quinolines as CGRP receptors antagonists Feb. 19, 2013
8368062 Nitrogen-containing heterocyclic compound and organic electronic device using the same Feb. 5, 2013
8338140 Polymeric carriers of therapeutic agents and recognition moieties for antibody-based targeting of disease sites Dec. 25, 2012
8318502 Long wavelength fluorogenic intracellular ion indicators that are well retained in the cytosol Nov. 27, 2012
8318938 Trans-fused chromenoisoquinolines synthesis and methods for use Nov. 27, 2012
8299089 Multi-arm polymeric conjugates of 7-ethyl-10-hydroxycamptothecin for treatment of breast, colorectal, pancreatic, ovarian and lung cancers Oct. 30, 2012
8299251 Method for producing camptothecin derivatives Oct. 30, 2012
8269007 Crystalline form II of 7-(dimethoxy-methyl) camptothecin, its use as intermediate and products obtained therefrom Sep. 18, 2012
8258149 Isoquinoline derivatives Sep. 4, 2012
8247426 Crystalline irinotecan hydrochloride and methods for its preparation Aug. 21, 2012
8247427 Dual phase drug release system Aug. 21, 2012
8217053 Camptothecin derivatives with antitumor activity Jul. 10, 2012
8193210 Camptothecin derivatives with antitumor activity Jun. 5, 2012
8188109 Benzoquinolizinium salt derivatives as anticancer agents May. 29, 2012
8168648 Camptothecin derivatives and uses thereof May. 1, 2012
8138200 Compositions and methods for double-targeting virus infections and targeting cancer cells Mar. 20, 2012
8138343 Crystalline polymorph of 7-ethyl-10-hydroxycamptothecin Mar. 20, 2012
8124769 Stereoselective process and crystalline forms of a camptothecin Feb. 28, 2012
8101758 Stereoselective process and crystalline forms of a camptothecin Jan. 24, 2012
8080559 5(S)-(2'-hydroxyethoxy)-20(S)-camptothecin and its preparation and use for the treatment of cancer Dec. 20, 2011
8067432 Liposomal, ring-opened camptothecins with prolonged, site-specific delivery of active drug to solid tumors Nov. 29, 2011
8039626 Method of manufacturing of 7-ethyl-10-hydroxycamptothecin Oct. 18, 2011
8026249 Deuterium-enriched topotecan Sep. 27, 2011
8013158 Crystalline forms of topotecan hydrochloride and processes for making the same Sep. 6, 2011
8003795 Compounds and compositions for reducing lipid levels Aug. 23, 2011
7977483 Process for making topotecan Jul. 12, 2011
7935822 Carboxamide-substituted dyes for analytical applications May. 3, 2011
7928235 Methods of making esters of camptothecins Apr. 19, 2011
7915276 Berberrubine derivatives having antifungal activities Mar. 29, 2011
7910737 Process for the manufacturing of 7-ethyl-10-hydroxy camptothecin Mar. 22, 2011
7888368 Treatment of drug-resistant tumors Feb. 15, 2011

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