Invention Grant
US5386028A Process for the production of
N-.beta.-hydroxyalkyl-tri-N-carboxyalkyl-1,4,7,10-tetraazacyclododecane
and
N-.beta.-hydroxyalkyl-tri-N-carboxyalkyl-1,4,8,11-tetraazacyclotetradeca
ne derivatives and their metal complexes
失效
制备N-β-羟基烷基 - 三-N-羧基烷基-1,4,7,10-四氮杂环十二烷和N-β-羟烷基 - 三-N-羧基烷基-1,4,8,11-四氮杂环十四烷衍生物的方法和 他们的金属配合物
- Patent Title: Process for the production of N-.beta.-hydroxyalkyl-tri-N-carboxyalkyl-1,4,7,10-tetraazacyclododecane and N-.beta.-hydroxyalkyl-tri-N-carboxyalkyl-1,4,8,11-tetraazacyclotetradeca ne derivatives and their metal complexes
- Patent Title (中): 制备N-β-羟基烷基 - 三-N-羧基烷基-1,4,7,10-四氮杂环十二烷和N-β-羟烷基 - 三-N-羧基烷基-1,4,8,11-四氮杂环十四烷衍生物的方法和 他们的金属配合物
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Application No.: US16452Application Date: 1993-02-11
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Publication No.: US5386028APublication Date: 1995-01-31
- Inventor: Ulf Tilstam , Helmut Borner , Klaus Nickisch , Heinz Gries , Johannes Platzek
- Applicant: Ulf Tilstam , Helmut Borner , Klaus Nickisch , Heinz Gries , Johannes Platzek
- Applicant Address: DEX Berlin and Bergkamen
- Assignee: Schering Aktiengesellschaft
- Current Assignee: Schering Aktiengesellschaft
- Current Assignee Address: DEX Berlin and Bergkamen
- Priority: DEX4218744 19920604
- Main IPC: A61K31/395
- IPC: A61K31/395 ; A61K31/555 ; A61K51/00 ; C07D257/02 ; C07D405/04 ; C07F5/00 ; C08F4/64 ; A61K49/02
Abstract:
A process for the production of N-.beta.-hydroxyalkyl-tri-N-carboxyalkyl-1,4,7,10-tetraazacyclododecane and N-.beta.-hydroxyalkyl-tri-N-carboxyalkyl-1,4,8,11-tetraazacyclotetradecane derivatives and their metal complexes is described.
Public/Granted literature
- US6093451A Coated transparencies and transparent laminates incorporating a transparent polyurethane composition Public/Granted day:2000-07-25
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