Featured patents

Process for the Preparation of Acylguanidines and Acylthioureas
US 08791260 B2, July 29, 2014, Having -C(=X)-, wherein X is chalcogen, bonded directly to diazine ring carbon, Sandra Stehle et al. / Boehringer Ingelheim International GmbH (Ingelheim am Rhein, DE)
A process for the preparation of compounds of general formula (III) optionally…

Boron Dipyrromethenes With Laser Properties
US 08796450 B2, Aug. 5, 2014, Boron or silicon containing, Eduardo Peña Cabrera et al. / Universidad de Guanajuato (Guanajuato, MX)
An 8-alkyl boron dipyrromethene having formula 1, 2, or 3:…

Condensed Pyridine Derivatives Useful as Potent Inhibitors of the Protein Kinase CK2
US 08686144 B2, April 1, 2014, Tricyclo ring system having the diazine ring as one of the cyclos, Chi-Hung N'guyen et al. / Commissariat a l'Energie Atomique et aux Energie Alternative (Paris, FR)
A medicament, comprising:…

Cross-Linked Cyclic Amine Compounds and Agents for Pest Control
US 08697867 B2, April 15, 2014, 1,2-diazines which contain an additional hetero ring, Isami Hamamoto et al. / Nippon Soda Co., Ltd. (Tokyo, JP)
Cyclic amine compounds represented by formula (1B)…

Nucleophilic Fluorination of Aromatic Compounds
US 08674101 B2, March 18, 2014, Chalcogen bonded directly to diazine ring carbon, Nagichettiar Satyamurthy et al. / The Regents of the University of California (Oakland, US)
A procedure for preparing F-18 labeled compounds identified as product…

Triallyl Isocyanurate and Process for Producing the Same
US 08674092 B2, March 18, 2014, To three ring carbons, Mabuko Yamaura / Nippon Kasei Chemical Company Limited (Iwaki-shi, Fukushima-ken, JP)
Triallyl isocyanurate comprising an organic chlorine compound represented by…

Process for Etravirine Intermediate and Polymorphs of Etravirine
US 08598341 B2, Dec. 3, 2013, 1,3-diazines, Rapolu Raji Reddy et al. / Hetero Research Foundation IN
A process for the preparation…

Method for Preparing Entecavir and Intermediate Used Therein
US 08569491 B2, Oct. 29, 2013, Nitrogen attached directly or indirectly to the purine ring system by nonionic bonding, Ji Eun Lee et al. / Hanmi Science Co., Ltd (Hwaseong-si, KR)
A method for preparing entecavir of formula (I), comprising the steps of:…

Processes for Preparing Amine Salts of Sildenafil-Analogues and Use Thereof
US 08497370 B2, July 30, 2013, Plural ring nitrogens in the additional hetero ring, Ing-Jun Chen / Kaohsiung Medical University (Kaohsiung, TW)
A complex salt, comprising a structure…

Coupling Agents for Peptide Synthesis
US 08471006 B2, June 25, 2013, Four or more ring hetero atoms in the polycyclo ring system, Calin Dan Sferdean et al. / University of Massachusetts (Boston, US)
A compound or salt consisting of an anion and cation, wherein the compound…

Patentorg has 497 documents under Carbon Compounds Containing a Hetero Ring Having Nitrogen as the Only Ring Hetero Atoms Patents.

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