Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Process for mono- and 1,7-bis-N-.beta.-hydroxyalkylation of cyclene; N-.beta.-hydroxyalkyl-1,4,7,10-tetraazacyclododecane-lithium-salt complexes and the use of the complexes for the production of gadobutrol and analogs

Process for mono- and 1,7-bis-N-.beta.-hydroxyalkylation of cyclene; N-.beta.-hydroxyalkyl-1,4,7,10-tetraazacyclododecane-lithium-salt complexes and the use of the complexes for the production of gadobutrol and analogs

US Patent 5994536 · Granted Nov 30, 1999

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Arylaminoalcohol-substituted 2,3-dihydroimidazo[1,2-C]quinolines2017
Process for preparing epothilone derivatives by selective catalytic epoxidation2012
Progesterone receptor antagonists2011
Optically active, heteroaromatic β-hydroxy esters and processes for their prepar2011
N-methyl-homocysteines and their use as well as process for their production2010
Optically active, heteroaromatic β-hydroxy esters and processes for their prepar2009
Protected 5,7-dihydroxy-4,4-dimethyl-3-oxoheptanoic acid esters and 5,7-dihydrox2009
17α-alkyl-17β-oxy-estratrienes and intermediate products for their production, u2009
5-substituted quinoline and isoquinoline derivatives, a process for their produc2008
Protected 3,5-dihydroxy-2,2-dimethyl-valeroamides for the synthesis of epothilon2008
Protected 3,5-dihydroxy-2,2-dimethyl-valeronitriles for the synthesis of epothil2008
Chiral heptyne derivatives for the preparation of epothilones and processes for 2008