Featured patents

Tricyclic Azaindoles
US 08853391 B2, Oct. 7, 2014, The additional six-membered hetero ring is one of the cyclos in a tricyclo ring system, Benny C. Askew, Jr. et al. / Merck Patent GmbH (Darmstadt, DE)
A compound according to Formula I…

Fluoroergoline Analogs
US 08841448 B2, Sept. 23, 2014, Ring nitrogen is shared by two of the cyclos, Robert O. Cook et al. / Map Pharmaceuticals, Inc. (Irvine, US)
A compound of Formula (I) or (II):…

Synthesis of Carbamoylpyridone HIV Integrase Inhibitors and Intermediates
US 08754214 B2, June 17, 2014, Tetracyclo ring system having the diazine ring as one of the cyclos, Brian Alvin Johns et al. / Shionogi & Co., Ltd. (Osaka, JP)
A compound of the following formula (DD):…

Imidazopyrizine Syk Inhibitors
US 08748607 B2, June 10, 2014, Three or more ring hetero atoms in the bicyclo ring system, Soumya Mitra et al. / Gilead Connecticut, Inc. (Foster City, US)
A method for inhibiting spleen tyrosine kinase activity in a human in need…

1,3,5-Triazine Derivative, Process for Producing Same, and Organic Electroluminescent Element Comprising Same as Constituent Component
US 08735577 B2, May 27, 2014, Triazines, Hidenori Aihara et al. / Tosoh Corporation (Yamagushi, JP)
A 1,3,5-triazine compound represented by the following formula (1):…

Methods of Synthesis and Purification of Heteroaryl Compounds
US 08686135 B2, April 1, 2014, Tricyclo ring system having the oxazine ring as one of the cyclos, Juan Antonio Gamboa et al. / Signal Pharmaceuticals, LLC (San Diego, US)
A method of preparing a compound having formula (II):…

Synthesis of Carbamoylpyridone HIV Integrase Inhibitors and Intermediates
US 08624023 B2, Jan. 7, 2014, Three or more ring hetero atoms in the polycyclo ring system, Yoshiyuki Taoda et al. / Shionogi & Co., Ltd. (Osaka, JP)
A process of for the preparation of a pyridone compound of formula (AA), (BB)…

Method for Producing Dichloropyrazine Derivative
US 08586741 B2, Nov. 19, 2013, Halogen attached directly to the diazine ring by nonionic bonding, Hiroaki Kurushima et al. / Nippon Soda Co., Ltd. (Tokyo, JP)
A method for producing a dichloropyrazine derivative represented by formula…

Process for the Production of N-(2,6-Dimethyl-Phenyl)-2-Piperazin-1-Yl-Acetamide
US 08541578 B2, Sept. 24, 2013, 1,4-diazines, Dirk De Smaele et al. / Janssen Pharmaceutica, N.V. (Beerse, BE)
Process for the production of N-(2,6-dimethyl-phenyl)-2-piperazin-1-yl-acetamide,…

Process for the Preparation of Sterically Hindered Nitroxyl Ethers
US 08481726 B2, July 9, 2013, Hetero ring, Abdel-Ilah Basbas et al. / BASF SE (Ludwigshafen, DE)
A process for the preparation of a sterically hindered nitroxyl ether of formula…

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