| Patents for C07D 455 - Heterocyclic compounds containing quinolizine ring systems, e.g. emetine alkaloids, protoberberine; Alkylenedioxy derivatives of dibenzo [a, g] quinolizines, e.g. berberine (2,122) |
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| 11/13/2013 | CN103387574A Synthetic method of epiberberine |
| 11/07/2013 | US20130296360 Benzoquinoline inhibitors of vesicular monoamine transporter 2 |
| 11/06/2013 | CN102634225B Method for resolving and synthetizing 5(6) substitutional rhodamine isomer |
| 10/23/2013 | CN103360377A A compound used for a dye |
| 10/22/2013 | US8562949 Radiolabeled dihydrotetrabenazine derivatives and their use as imaging agents |
| 10/03/2013 | WO2013147586A1 A method for preparing an immunogen and a use thereof |
| 09/26/2013 | US20130252882 Antimicrobial 4-oxoquinolizines |
| 09/25/2013 | CN103319479A Rheinic acid berberine ion pair compound, preparation method and applications |
| 09/25/2013 | CN103319456A Dihydropyridine compounds, and compositions, preparation methods and applications thereof |
| 09/24/2013 | US8540521 Benzoxazole-based fluorescent metal ion indicators |
| 09/19/2013 | US20130245035 2-pyridone antimicrobial compositions |
| 09/18/2013 | CN103304562A Phellodendrine monomer and preparation method of salt thereof |
| 09/12/2013 | WO2013133218A1 Photoelectric conversion element, method for using same, imaging element, optical sensor, and chemical |
| 09/11/2013 | CN103288821A Palmatine derivative and preparation method and application thereof |
| 09/11/2013 | CN103288820A Compound 13-methyl-palmatrubine and application thereof |
| 09/11/2013 | CN103288819A Salt of crinum asiaticum novacine derivative |
| 08/28/2013 | CN102174050B Method for separating and purifying coptis alkaloids by utilizing polyamide resin |
| 08/21/2013 | CN103254189A Method for separating berberine hydrochloride by applying berberine hydrochloride molecular imprinting chromatographic column |
| 08/13/2013 | US8507519 Antibacterial optically pure benzoquinolizine carboxylic acids, processes, compositions and methods of treatment |
| 08/01/2013 | US20130197227 Method of preparing tetrabenazine and dihydrotetrabenazine |
| 07/24/2013 | CN103214477A Process for separating corydalmine alkaloids by utilizing alkaline silica gel |
| 07/24/2013 | CN103214410A Series of asymmetrical squarine micromolecules as well as preparation method and application thereof |
| 07/18/2013 | US20130184304 Pyrido[4,3-b]indoles and methods of use |
| 07/18/2013 | US20130184303 Pyrido[4,3-b]indoles and methods of use |
| 07/17/2013 | CN103204850A Acetylsalicylic acid berberine salt, preparation method and application thereof |
| 07/10/2013 | CN103193974A Method for preparing polyether glycol by liquefying starch |
| 07/10/2013 | CN103193772A Preparation method and application of substituted aryl propionic berberine ion-pair compound |
| 07/10/2013 | CN102260255B Simple and convenient synthesis method of 9,10-dimethoxy-1,3,4,6,7,11b-hexahydro-3-isobutyl-2H-benzo[a] quinolizidine-2-ketone |
| 07/04/2013 | US20130172335 2,3-diaryl- or heteroaryl-substituted 1,1,1-trifluoro-2-hydroxypropyl compounds |
| 07/03/2013 | EP2610254A1 Deuterated benzoquinoline derivatives as inhibitors of vesicular monoamine transporter 2 |
| 06/25/2013 | US8470786 Pyrroloquinolinyl-pyrrolidine-2,5-dione compositions and methods for preparing and using same |
| 06/19/2013 | EP2604290A2 Radiolabeled dihydrotetrabenazine derivatives and their use as imaging agents |
| 06/19/2013 | CN103159755A Alpha-glycosidase inhibitor preparation method and purpose |
| 06/18/2013 | CA2443317C Materials, methods, and uses for photochemical generation of acids and/or radical species |
| 06/12/2013 | CN103145703A Process technique to prepare rotundine based on different plants |
| 06/05/2013 | CN103130806A Phenanthroindo(quio)lizidine alkaloid derivative, and preparation, anti-TMV activity, anti-HIV activity and anti-tumor activity thereof |
| 05/08/2013 | CN102285983B Method for modifying flumequine into 7-hydroxyflumequine |
| 05/02/2013 | WO2013060274A1 Derivatives of protoberberine biological alkaloids and use of same inhibiting ulcerative colitis |
| 05/01/2013 | EP2585460A1 Quinolizidine and indolizidine derivatives |
| 04/24/2013 | CN103059017A Design of comprehensive extraction process for barberry plant resources |
| 04/24/2013 | CN103059016A Coptisine derivatives as well as synthesis methods and medicinal application thereof to resistance of tumors |
| 04/24/2013 | CN102285981B Preparation method of fibrauretin |
| 04/24/2013 | CN102015710B Azatricyclic antibiotic compounds |
| 04/17/2013 | CN103044417A Novel technology method for purifying berberine in wild berberis sibirica |
| 04/16/2013 | US8420818 Process for the preparation of pyrido[2,1-a] isoquinoline derivatives |
| 04/04/2013 | WO2013046061A1 Pures-(-)-9-fluoro-6,7-dihydro-8-(4-hydroxypiperidin-1-yl)-5-methyl-1-oxo-1h,-5h-benzo[i,j]quinolizine-2- carboxylic acid l-arginine salt tetrahydrate and a process for its preparation |
| 04/04/2013 | CA2850159A1 Pure s-(-)- 9-fluoro-6,7-dihydro-8-(4-hydroxypiperidin-1-yl)-5-methyl -1-oxo-1h,-5h-benzo[i,j]quinolizine-2-carboxylic acid l-arginine salt tetrahydrate and a process for its preparation |
| 03/27/2013 | CN102993198A Three novel intermediates used for preparing three isoquinoline alkaloids or salts thereof and preparation method thereof, and preparation method of three isoquinoline alkaloids or salts thereof |
| 03/27/2013 | CN102989017A Usage of berberine or derivatives thereof in preparation of tumor diagnosis imaging agent |
| 03/27/2013 | CN102093345B Method for separating out dehydrogenized turkey corn by applying silicagel column chromatography |
| 03/13/2013 | CN102120742B Preparation method of tetrabenazine |
| 02/27/2013 | CN102947301A Quinolizidine and indolizidine derivatives |
| 02/21/2013 | US20130045480 Novel dyes, composite dyes, and oligonucleotides or polynucleotides comprising such dyes - useful or detection or quantification of desirable target molecules |
| 02/20/2013 | CN102936246A Method for synthesizing tetrabenazine |
| 02/20/2013 | CN102086197B Protoberberine derivative with insulin-sensitizing activity and application thereof |
| 02/14/2013 | WO2013020229A1 Tetrahydroprotoberbine compounds and uses thereof in the treatment of neurological, psychiatric and neurodegenerative diseases |
| 02/14/2013 | US20130040959 Heterocyclic Quinolizine Derived M1 Receptor Positive Allosteric Modulators |
| 01/22/2013 | US8357697 Substituted 3-isobutyl-9,10-dimethoxy-1,3,4,6,7,11b-hexahydro-2H-pyrido[2,1-A]isoquinolin-2-ol compounds and methods relating thereto |
| 01/22/2013 | US8357686 Aryl-substituted polycyclic amines, method for the production thereof, and use thereof as a medicament |
| 01/17/2013 | US20130018191 Process for the preparation of pyrido [2,1-a] isoquinoline derivatives comprising optical resolution of an enamine |
| 01/16/2013 | EP2545991A1 Gold polymer nano-structure-supported scandium catalyst and use of the same |
| 01/16/2013 | CN102875546A Second-order nonlinear optical chromophore having D-pi-A structure and treating julolidine derivative as donor, and synthetic method and use thereof |
| 01/16/2013 | CN102875545A Novel preparation method of palmatine |
| 01/02/2013 | CN102850346A Berberrubine 12-site derivatives as well as preparation method and applications thereof |
| 12/25/2012 | US8338449 Isoquinolinone potassium channel inhibitors |
| 12/20/2012 | US20120321726 Berberine-containing pharmaceutical composition for inhibiting cancer stem cell growth or carcinoma metastasis and application thereof |
| 12/19/2012 | CN102827159A Preparation method of jatrorrhizine |
| 12/19/2012 | CN102827158A Preparation method of jatrorrhizine |
| 12/13/2012 | WO2012168368A1 Benzoquinolizidine derivatives, method for preparing same, and therapeutic uses thereof |
| 12/12/2012 | CN102040604B Fibriuretinin synthesis method |
| 12/06/2012 | WO2012163179A1 Hexahydrodibenzo[a,g]quinolizine compound, preparation method therefor, pharmaceutical composition and use thereof |
| 12/05/2012 | CN102807565A Improved method for extracting berberine |
| 11/29/2012 | WO2012162175A1 Emetine derivatives, prodrugs containing same, and methods of treating conditions using same |
| 11/29/2012 | CA2836915A1 Emetine derivatives, prodrugs containing same, and methods of treating conditions using same |
| 11/28/2012 | CN102796096A Hexahydro dibenzo [a,g] quinolizidine compound and preparation method, medicinal composition and application thereof |
| 11/28/2012 | CN102150670B Application of phenanthroindolizidine and phenanthroquinolizidine derivatives and salts thereof in pesticides |
| 11/28/2012 | CN102060853B Method for separating alkaloid by reversely two-way eluted pH-zone-refining counter-current chromatography |
| 11/21/2012 | CN102786518A Palmatine hydrochloride crystal B substance, its preparation method, and its applications in medicines and healthcare products |
| 11/21/2012 | CN102786482A Akt蛋白激酶抑制剂 Akt protein kinase inhibitor |
| 11/21/2012 | CN102786472A Method for extraction separation of huperzine A in all-grass of snake foot clubmoss and its hairy root by supercritical extraction-crystallization technology |
| 11/14/2012 | EP2522670A1 Heterocyclic CRF receptor antagonists |
| 11/14/2012 | CN101619062B Natural fibrauretine crystal and macroporous adsorbent resin preparation method thereof |
| 11/08/2012 | US20120283220 Antofine and cryptopleurine derivatives as anticancer agents |
| 10/26/2012 | WO2012143526A1 1,4-disubstituted 1,2,3-triazoles, methods for preparing same, and diagnostic and therapeutic uses thereof |
| 10/26/2012 | CA2833648A1 1,4-disubstituted 1,2,3-triazoles, methods for preparing same, and diagnostic and therapeutic uses thereof |
| 10/24/2012 | CN102746292A Cyclized berberine derivatives, preparation method and uses thereof |
| 10/24/2012 | CN102746291A 13-substituted berberine derivatives and preparation method thereof, and uses of 13-substituted berberine derivatives as anti-tuberculosis drugs |
| 10/16/2012 | US8288409 Quinolizidinone M1 receptor positive allosteric modulators |
| 10/10/2012 | CN102285984B Preparation method of (2R, 3R, 11bR)-dihydrotetrabenazine and relevant compounds |
| 10/03/2012 | CN102702190A Berberine electrostatic composite and preparation method of berberine electrostatic composite |
| 10/03/2012 | CN102702189A Application of silica gel in purifying process of tetrahydro berberrubine |
| 10/03/2012 | CN102702188A Method for extracting 2, 7-dihydroxyapogeissoschizine |
| 10/03/2012 | CN101812061B Method for producing tetrahydroberineper from berberine hydrochloride |
| 10/02/2012 | US8278453 Quinolizidinone M1 receptor positive allosteric modulators |
| 10/02/2012 | US8278323 Opioid antagonists |
| 09/13/2012 | US20120232273 Process for the preparation of a dpp-iv inhibitor |
| 09/13/2012 | US20120232076 Quinolizidinone carboxamide m1 receptor positive allosteric modulators |
| 09/13/2012 | US20120232071 2,3-diaryl- or heteroaryl-substituted 1,1,1-trifluoro-2-hydroxypropyl compounds |
| 09/12/2012 | CN102659777A Antitumor medicament |
| 09/12/2012 | CN102285982B Method for separating and purifying monomer compounds from Chinese medicinal herb rhizoma coptidis |