HK1018618A1 - Process for preparing 1,4,7,10-tetraazacyclododecane and its derivatives - Google Patents
Process for preparing 1,4,7,10-tetraazacyclododecane and its derivativesInfo
- Publication number
- HK1018618A1 HK1018618A1 HK99103678A HK99103678A HK1018618A1 HK 1018618 A1 HK1018618 A1 HK 1018618A1 HK 99103678 A HK99103678 A HK 99103678A HK 99103678 A HK99103678 A HK 99103678A HK 1018618 A1 HK1018618 A1 HK 1018618A1
- Authority
- HK
- Hong Kong
- Prior art keywords
- tetraazacyclododecane
- derivatives
- preparing
- cyclotetramerization
- benzylaziridine
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D257/00—Heterocyclic compounds containing rings having four nitrogen atoms as the only ring hetero atoms
- C07D257/02—Heterocyclic compounds containing rings having four nitrogen atoms as the only ring hetero atoms not condensed with other rings
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Nitrogen Condensed Heterocyclic Rings (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Plural Heterocyclic Compounds (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
- Nitrogen And Oxygen Or Sulfur-Condensed Heterocyclic Ring Systems (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19608307A DE19608307C1 (de) | 1996-02-26 | 1996-02-26 | Verfahren zur Herstellung von 1,4,7,10-Tetraazacyclododecan und dessen Derivaten |
PCT/EP1997/000927 WO1997031905A1 (de) | 1996-02-26 | 1997-02-26 | Verfahren zur herstellung von 1,4,7,10-tetraazacyclododecan und dessen derivaten |
Publications (1)
Publication Number | Publication Date |
---|---|
HK1018618A1 true HK1018618A1 (en) | 1999-12-30 |
Family
ID=7787168
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
HK99103678A HK1018618A1 (en) | 1996-02-26 | 1999-08-27 | Process for preparing 1,4,7,10-tetraazacyclododecane and its derivatives |
Country Status (21)
Country | Link |
---|---|
EP (1) | EP0883610B1 (es) |
JP (2) | JP4745469B2 (es) |
KR (1) | KR100453668B1 (es) |
CN (1) | CN1081186C (es) |
AT (1) | ATE194602T1 (es) |
AU (1) | AU717720B2 (es) |
CA (1) | CA2247265C (es) |
CZ (1) | CZ290128B6 (es) |
DE (2) | DE19608307C1 (es) |
DK (1) | DK0883610T3 (es) |
ES (1) | ES2148837T3 (es) |
GR (1) | GR3034468T3 (es) |
HK (1) | HK1018618A1 (es) |
IL (1) | IL125419A (es) |
NO (1) | NO310870B1 (es) |
NZ (1) | NZ331520A (es) |
PL (1) | PL185927B1 (es) |
PT (1) | PT883610E (es) |
SK (1) | SK281972B6 (es) |
WO (1) | WO1997031905A1 (es) |
ZA (1) | ZA971672B (es) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19608307C1 (de) * | 1996-02-26 | 1997-08-28 | Schering Ag | Verfahren zur Herstellung von 1,4,7,10-Tetraazacyclododecan und dessen Derivaten |
CZ2005653A3 (cs) * | 2005-10-17 | 2007-01-10 | Azacycles S. R. O. | Způsob přípravy 1,4,7,10-tetraazacyklododekanua jeho N-acylderivátů |
DE102009057274B4 (de) | 2009-12-02 | 2011-09-01 | Bayer Schering Pharma Aktiengesellschaft | Gadobutrolherstellung mittels Trioxobicyclo-octan |
DE102010013833A1 (de) | 2010-03-29 | 2011-09-29 | Bayer Schering Pharma Aktiengesellschaft | Herstellung von Gadobutrol mittels Dimethylformamiddimethylacetal |
CN101845112B (zh) * | 2010-06-02 | 2011-09-14 | 华东理工大学 | 一种基于高分子纳米粒子的高灵敏性核磁共振成像造影剂的制备方法 |
DE102010023105A1 (de) | 2010-06-04 | 2011-12-08 | Bayer Schering Pharma Aktiengesellschaft | Gadobutrolherstellung im Eintopfverfahren mittels DMF-acetal und N-Methylimidazol |
KR102003570B1 (ko) * | 2011-04-21 | 2019-07-24 | 바이엘 인텔렉쳐 프로퍼티 게엠베하 | 고순도 가도부트롤의 제조 |
KR102067551B1 (ko) * | 2018-04-12 | 2020-01-17 | (주) 에프엔지리서치 | 오염토양 또는 오염수질 복원용 화합물 |
CN108794417A (zh) * | 2018-08-04 | 2018-11-13 | 许昌恒生制药有限公司 | 一种医疗诊断造影剂中间体的制备方法 |
EP4335461A1 (en) | 2022-09-09 | 2024-03-13 | Bayer AG | Combinations of contrast agents |
EP4335840A1 (en) | 2022-09-09 | 2024-03-13 | Bayer Aktiengesellschaft | New contrast agents for use in diagnostic imaging |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3828023A (en) * | 1971-09-13 | 1974-08-06 | Dow Chemical Co | Process for preparing cyclic oligomers of n-substituted aziridines |
US6693190B1 (en) * | 1994-05-11 | 2004-02-17 | Bracco International B.V. | Enhanced relaxivity monomeric and multimeric compounds |
CA2214034A1 (en) * | 1995-03-10 | 1996-09-19 | University Of Iowa Research Foundation | Preparation of n-arylmethyl aziridine derivatives, 1,4,7,10-tetraazacyclododecane derivatives obtained therefrom and n-arylmethyl-ethanol-amine sulphonate esters as intermediates |
DE19608307C1 (de) * | 1996-02-26 | 1997-08-28 | Schering Ag | Verfahren zur Herstellung von 1,4,7,10-Tetraazacyclododecan und dessen Derivaten |
-
1996
- 1996-02-26 DE DE19608307A patent/DE19608307C1/de not_active Expired - Fee Related
-
1997
- 1997-02-26 CA CA002247265A patent/CA2247265C/en not_active Expired - Lifetime
- 1997-02-26 CN CN97192459A patent/CN1081186C/zh not_active Expired - Lifetime
- 1997-02-26 AU AU18772/97A patent/AU717720B2/en not_active Expired
- 1997-02-26 DK DK96946361T patent/DK0883610T3/da active
- 1997-02-26 EP EP96946361A patent/EP0883610B1/de not_active Expired - Lifetime
- 1997-02-26 PT PT96946361T patent/PT883610E/pt unknown
- 1997-02-26 KR KR10-1998-0706649A patent/KR100453668B1/ko not_active IP Right Cessation
- 1997-02-26 SK SK1172-98A patent/SK281972B6/sk not_active IP Right Cessation
- 1997-02-26 IL IL12541997A patent/IL125419A/xx not_active IP Right Cessation
- 1997-02-26 WO PCT/EP1997/000927 patent/WO1997031905A1/de active IP Right Grant
- 1997-02-26 JP JP53059297A patent/JP4745469B2/ja not_active Expired - Lifetime
- 1997-02-26 AT AT96946361T patent/ATE194602T1/de active
- 1997-02-26 NZ NZ331520A patent/NZ331520A/xx not_active IP Right Cessation
- 1997-02-26 DE DE59702009T patent/DE59702009D1/de not_active Expired - Lifetime
- 1997-02-26 PL PL97328468A patent/PL185927B1/pl unknown
- 1997-02-26 ZA ZA9701672A patent/ZA971672B/xx unknown
- 1997-02-26 ES ES96946361T patent/ES2148837T3/es not_active Expired - Lifetime
- 1997-02-26 CZ CZ19982721A patent/CZ290128B6/cs not_active IP Right Cessation
-
1998
- 1998-08-25 NO NO19983901A patent/NO310870B1/no not_active IP Right Cessation
-
1999
- 1999-08-27 HK HK99103678A patent/HK1018618A1/xx not_active IP Right Cessation
-
2000
- 2000-09-21 GR GR20000402157T patent/GR3034468T3/el unknown
-
2009
- 2009-05-27 JP JP2009127490A patent/JP2009185077A/ja not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
WO1997031905A1 (de) | 1997-09-04 |
PL185927B1 (pl) | 2003-09-30 |
CN1081186C (zh) | 2002-03-20 |
NO983901D0 (no) | 1998-08-25 |
NO983901L (no) | 1998-08-25 |
CA2247265C (en) | 2005-06-21 |
NZ331520A (en) | 2000-01-28 |
JP2009185077A (ja) | 2009-08-20 |
ATE194602T1 (de) | 2000-07-15 |
JP4745469B2 (ja) | 2011-08-10 |
AU1877297A (en) | 1997-09-16 |
KR100453668B1 (ko) | 2004-12-16 |
PT883610E (pt) | 2000-10-31 |
PL328468A1 (en) | 1999-02-01 |
ES2148837T3 (es) | 2000-10-16 |
DE59702009D1 (de) | 2000-08-17 |
JP2000505467A (ja) | 2000-05-09 |
CA2247265A1 (en) | 1997-09-04 |
IL125419A (en) | 2001-01-11 |
CZ272198A3 (cs) | 2000-02-16 |
IL125419A0 (en) | 1999-03-12 |
EP0883610A1 (de) | 1998-12-16 |
GR3034468T3 (en) | 2000-12-29 |
NO310870B1 (no) | 2001-09-10 |
CZ290128B6 (cs) | 2002-06-12 |
EP0883610B1 (de) | 2000-07-12 |
DE19608307C1 (de) | 1997-08-28 |
CN1211975A (zh) | 1999-03-24 |
ZA971672B (en) | 1997-08-29 |
AU717720B2 (en) | 2000-03-30 |
SK281972B6 (sk) | 2001-09-11 |
KR19990087248A (ko) | 1999-12-15 |
DK0883610T3 (da) | 2000-09-25 |
SK117298A3 (en) | 1999-01-11 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PF | Patent in force | ||
PE | Patent expired |
Effective date: 20170225 |