Featured patents

Pyrrole Derivative and Process for Production Thereof
US 08846943 B2, Sept. 30, 2014, 1,3-oxazoles (including hydrogenated), Makoto Yamaoka et al. / Daiichi Sankyo Company, Limited (Tokyo, JP)
A compound of formula (I):…

Tri-Substituted 2-Benzhydryl-5-Benzylamino-Tetrahydro-Pyran-4-Ol and 6-Benzhydryl-4-Benzylamino-Tetrahydro-Pyran-3-Ol Analogues, and Novel 3,6-Disubstituted Pyran Derivatives
US 08841464 B2, Sept. 23, 2014, The additional hetero ring and the bicyclo ring system are attached directly to the same acyclic carbon or acyclic carbon chain, Aloke K. Dutta / Wayne State University (Detroit, US)
A substituted pyran compound having the structural formula I:…

Bifunctional Histone Deacetylase Inhibitors
US 08754237 B2, June 17, 2014, 1,2,3-triazoles (including hydrogenated), Stuart L. Schreiber et al. / President and Fellows of Harvard College (Cambridge, US)
A compound of formula:…

Process for Preparing Saxagliptin and Its Novel Intermediates Useful in the Synthesis Thereof
US 08748631 B2, June 10, 2014, Bicyclo ring system having the five-membered hetero ring as one of the cyclos, Murali Krishna Madala et al. / Apicore, LLC (Somerset, US)
A method for making saxagliptin hydrochloride monohydrate comprising:…

Estrogen Receptor Ligands
US 08710243 B2, April 29, 2014, Benzene ring bonded directly or attached indirectly by an acyclic carbon or an acyclic carbon chain to ring carbon of the five-membered hetero ring, Aiping Cheng et al. / Karo Bio AB (Huddinge, SE)
A compound of formula(I) or a pharmaceutically acceptable ester, amide, solvate…

3-Aminocarbazole Compound, Pharmaceutical Composition Containing It and Preparation Method Therefor
US 08637682 B2, Jan. 28, 2014, And chalcogen bonded directly to a ring carbon of the five membered hetero ring which is not adjacent to the ring nitrogen, Giorgina Mangano et al. / Aziende Chimiche Riunite Angelini Francesco A.C.R.A.F. S.p.A. (Rome, IT)
A 3-aminocarbazole compound, represented by formula (I):…

Acenaphtho Heterocyclic Compound and Application Thereof
US 08614333 B2, Dec. 24, 2013, The five-membered hetero ring shares ring members with one other cyclo only, Guiye Wu et al. / Dalian University of Technology (Dalian, Liaoning, CN)
An acenaphtho heterocyclic compound of Formula I:…

Nanoparticle/Dispersant Complex, Nanoparticle Dispersion Liquid, and Nanoparticle/Matrix-material Complex
US 08541591 B2, Sept. 24, 2013, Phosphorus attached indirectly to the five-membered hetero ring by nonionic bonding, Tetsushi Yamamoto et al. / Canon Kabushiki Kaisha (Tokyo, JP)
A phosphorus compound represented by formula (3):…

Supports for Oligomer Synthesis
US 08541599 B2, Sept. 24, 2013, Plural chalcogens bonded directly to ring carbons of the five-membered hetero ring, Zhiwei Wang et al. / Isis Pharmaceuticals, Inc. (Carlsbad, US)
A compound having the formula:…

N-Heterocyclic Carbene Metallacycle Catalysts and Methods
US 08492552 B2, July 23, 2013, The metal is bonded directly to carbon, which carbon is a ring carbon of the five-membered hetero ring or which carbon is attached directly or indirectly to the five-membered hetero ring by nonionic bonding, Jackie Y. Ying et al. / Agency for Science, Technology and Research (Singapore, SG)
A method for synthesizing a transition metal-containing precatalyst, comprising:…

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