Seayad
Abdul Majeed Seayad, Jurong Island SG
Patent application number | Description | Published |
---|---|---|
20100249443 | TITANIUM COMPOUND AND PROCESS FOR ASYMMETRIC CYANATION OF IMINES - The present invention relates to titanium catalysts for asymmetric synthesis reactions produced by bringing a reaction mixture obtained by contacting water and a titanium alkoxide into contact with an optically active ligand represented by the general formula (a), wherein R1, R2, R3, and R4 are independently a hydrogen atom, an alkyl group, or the like, and A* represents a group with two or more carbon atoms having an asymmetric carbon atom or axial asymmetry. The invention further relates to a process for asymmetric cyanation of imines, wherein the process comprises reacting an imine with a cyanating agent in the presence of the titanium catalyst. | 09-30-2010 |
Abdul Majeed Seayad, Parc Oasis SG
Patent application number | Description | Published |
---|---|---|
20100185000 | TITANIUM COMPOUND AND PROCESS FOR ASYMMETRIC CYANATION OF IMINES - The present invention relates to titanium catalysts for asymmetric synthesis reactions produced by bringing a reaction mixture obtained by contacting water and a titanium alkoxide into contact with an optically active ligand represented by the general formula (a), wherein R | 07-22-2010 |
20110319629 | TITANIUM COMPOUNDS AND PROCESS FOR CYANATION OF IMINES - The present invention relates to titanium catalysts for synthesis reactions produced by bringing a reaction mixture comprising a titanium alkoxide and a ligand in contact with water, wherein the ligand is represented by the general formula (e): wherein R | 12-29-2011 |
20120209007 | TITANIUM COMPOUNDS AND PROCESS FOR CYANATION OF IMINES - The present invention relates to titanium catalysts for synthesis reactions produced by bringing a reaction mixture comprising a titanium alkoxide and a ligand in contact with water, wherein the ligand is represented by the general formula (e): wherein R | 08-16-2012 |
Jayasree Seayad, Singapore SG
Patent application number | Description | Published |
---|---|---|
20110112310 | AZIRIDINE SYNTHESIS - The invention relates to a process for making an aziridine. wherein an aldehyde, a nitroso compound and a Michael acceptor are reacted in the presence of an N-heterocyclic carbene (NHC) catalyst. | 05-12-2011 |