Inventor · disambiguated record
Stefan Abrecht
Also filed as: ABRECHT STEFAN
5 granted patents·12 pending applications·23 citations·filing 1998–2015
75Inventor score
Top patents by PatentIndex Score
17 records- 0182US7619101B2Process for the preparation of (S)-4-fluoromethyl-dihydro-furan-2-one useful in the preparation of the DPP-IV inhibitor (S)-1 ((2S,3S,11bS)-2-amino-9,10-dimethoxy-1,3,4,6,7, 11b-hexahydro-2H-pyrido[2,1-a] isoquinolin-3-yl)-4-fluoromethyl-pyrrolidin-2-oneHOFFMANN LA ROCHE·Filed 2006·Granted Nov 17, 2009·4 cites·21 claims
- 0271US6403824B2Process for the preparation for 4,5-diamino shikimic acid derivativesHOFFMANN LA ROCHE·Filed 2001·Granted Jun 11, 2002·6 cites·39 claims
- 0365US8420818B2Process for the preparation of pyrido[2,1-a] isoquinoline derivativesABRECHT STEFAN·Filed 2011·Granted Apr 16, 2013·2 cites·16 claims
- 0464US2015031888A1PROCESS FOR THE PREPARATION OF PYRIDO[2,1-a] ISOQUINOLINE DERIVATIVES BY CATALYTIC ASYMMETRIC HYDROGENATION OF AN ENAMINEHOFFMANN LA ROCHE·Filed 2014·Application pending·0 cites
- 0563US2014187785A1PROCESS FOR THE PREPARATION OF PYRIDO[2,1-a] ISOQUINOLINE DERIVATIVES BY CATALYTIC ASYMMETRIC HYDROGENATION OF AN ENAMINEHOFFMANN LA ROCHE·Filed 2014·Application pending·0 cites
- 0662US6114541AMethod for the preparation of α-Bromo-Lactam derivativesHOFFMANN LA ROCHE·Filed 1998·Granted Sep 5, 2000·11 cites·17 claims
- 0762US2013338366A1Process for the preparation of pyrido [2,1-a] isoquinoline derivatives comprising optical resolution of an enamineHOFFMANN LA ROCHE·Filed 2013·Application pending·0 cites
- 0860US2013109859A1PROCESS FOR THE PREPARATION OF PYRIDO[2,1-a] ISOQUINOLINE DERIVATIVES BY CATALYTIC ASYMMETRIC HYDROGENATION OF AN ENAMINEHOFFMANN LA ROCHE·Filed 2012·Application pending·0 cites
- 0957US2008071087A1PROCESS FOR THE PREPARATION OF PYRIDO [2,1-a] ISOQUINOLINE DERIVATIVES COMPRISING OPTICAL RESOLUTION OF AN ENAMINEABRECHT STEFAN·Filed 2007·Application pending·0 cites
- 1057US2008076925A1PROCESS FOR THE PREPARATION OF PYRIDO [ 2-1-A] ISOQUINOLINE DERIVATIVES BY CATALYTIC ASYMMETRIC HYDROGENATION OF AN ENAMINEABRECHT STEFAN·Filed 2007·Application pending·0 cites
- 1155US2009163718A1PROCESS FOR THE PREPARATION OF PYRIDO[2,1-a] ISOQUINOLINE DERIVATIVESABRECHT STEFAN·Filed 2008·Application pending·0 cites
- 1254US2013018191A1Process for the preparation of pyrido [2,1-a] isoquinoline derivatives comprising optical resolution of an enamineABRECHT STEFAN·Filed 2012·Application pending·0 cites
- 1352US2015126743A1Process For The Preparation Of Pyrido [2,1-A] Isoquinoline Derivatives Comprising Optical Resolution Of An EnamineHOFFMANN LA ROCHE·Filed 2015·Application pending·0 cites
- 1452US2012022260A1PROCESS FOR THE PREPARATION OF PYRIDO [2,1-a] ISOQUINOLINE DERIVATIVES COMPRISING OPTICAL RESOLUTION OF AN ENAMINEABRECHT STEFAN·Filed 2011·Application pending·0 cites
- 1551US2012010413A1Process for the Preparation of Pyrido [2,1-a] Isoquinoline Derivatives by Catalytic Asymmetric Hydrogenation of an EnamineABRECHT STEFAN·Filed 2011·Application pending·0 cites
- 1650US2015252039A1Process For The Preparation Of Pyrido[2,1-a] Isoquinoline Derivatives By Catalytic Asymmetric Hydrogenation Of An EnamineHOFFMANN LA ROCHE·Filed 2015·Application pending·0 cites
- 1740US7772264B2Salt and polymorphs of a DPPIV inhibitorHOFFMANN LA ROCHE·Filed 2006·Granted Aug 10, 2010·0 cites·5 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →