FR2354993A1 - Procede pour la preparation de derives phenoliques d'acides hydroxyalcoyl-alcoylene-diaminoacetiques et de leurs sels - Google Patents
Procede pour la preparation de derives phenoliques d'acides hydroxyalcoyl-alcoylene-diaminoacetiques et de leurs selsInfo
- Publication number
- FR2354993A1 FR2354993A1 FR7618211A FR7618211A FR2354993A1 FR 2354993 A1 FR2354993 A1 FR 2354993A1 FR 7618211 A FR7618211 A FR 7618211A FR 7618211 A FR7618211 A FR 7618211A FR 2354993 A1 FR2354993 A1 FR 2354993A1
- Authority
- FR
- France
- Prior art keywords
- acetic acid
- alkylenediamine
- cpd
- formaldehyde
- reacting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C05—FERTILISERS; MANUFACTURE THEREOF
- C05D—INORGANIC FERTILISERS NOT COVERED BY SUBCLASSES C05B, C05C; FERTILISERS PRODUCING CARBON DIOXIDE
- C05D9/00—Other inorganic fertilisers
- C05D9/02—Other inorganic fertilisers containing trace elements
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Cultivation Of Plants (AREA)
Abstract
Ces composés ont la formule ci-après. On fait réagir, dans un milieu hydro-alcoolique, un composé phénolique non substitué ou para-substitué avec le méthylol résultant de la réaction entre le formaldéhyde et un sel alcalin ou alcalinoterreux d'un acide hydroxyéthyl-alcoylène-diamino-diacétique ou d'un acide dihydroxyéthyl-alcoylène-diaminoacétique, à une température comprise entre 60 et 100 degrés C et à un pH compris entre 8 et 11. Les composés obtenus sont capables de former des produits de chélation solubles avec le fer et d'autres métaux stables contenus dans les sols calcaires, ce qui fait qu'ils conviennent pour corriger les carences en oligoéléments de certaines cultures de plantes.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7618211A FR2354993A1 (fr) | 1976-06-16 | 1976-06-16 | Procede pour la preparation de derives phenoliques d'acides hydroxyalcoyl-alcoylene-diaminoacetiques et de leurs sels |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7618211A FR2354993A1 (fr) | 1976-06-16 | 1976-06-16 | Procede pour la preparation de derives phenoliques d'acides hydroxyalcoyl-alcoylene-diaminoacetiques et de leurs sels |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2354993A1 true FR2354993A1 (fr) | 1978-01-13 |
FR2354993B1 FR2354993B1 (fr) | 1981-04-10 |
Family
ID=9174444
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7618211A Granted FR2354993A1 (fr) | 1976-06-16 | 1976-06-16 | Procede pour la preparation de derives phenoliques d'acides hydroxyalcoyl-alcoylene-diaminoacetiques et de leurs sels |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR2354993A1 (fr) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0489869A1 (fr) * | 1989-08-28 | 1992-06-17 | The General Hospital Corporation | Chelates metalliques d'hydroxy-aryle d'imagerie par resonnance magnetique nucleaire de diagnostic |
US5582814A (en) * | 1994-04-15 | 1996-12-10 | Metasyn, Inc. | 1-(p-n-butylbenzyl) DTPA for magnetic resonance imaging |
US6676929B2 (en) | 1995-02-01 | 2004-01-13 | Epix Medical, Inc. | Diagnostic imaging contrast agents with extended blood retention |
-
1976
- 1976-06-16 FR FR7618211A patent/FR2354993A1/fr active Granted
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0489869A1 (fr) * | 1989-08-28 | 1992-06-17 | The General Hospital Corporation | Chelates metalliques d'hydroxy-aryle d'imagerie par resonnance magnetique nucleaire de diagnostic |
US5582814A (en) * | 1994-04-15 | 1996-12-10 | Metasyn, Inc. | 1-(p-n-butylbenzyl) DTPA for magnetic resonance imaging |
US6676929B2 (en) | 1995-02-01 | 2004-01-13 | Epix Medical, Inc. | Diagnostic imaging contrast agents with extended blood retention |
US7011815B2 (en) | 1995-02-01 | 2006-03-14 | Epix Pharmaceuticals, Inc. | Diagnostic imaging contrast agents with extended blood retention |
US7060250B2 (en) | 1995-02-01 | 2006-06-13 | Epix Pharmaceuticals, Inc. | Diagnostic imaging contrast agents with extended blood retention |
US7229606B2 (en) | 1995-02-01 | 2007-06-12 | Epix Pharmaceuticals, Inc. | Diagnostic imaging contrast agents with extended blood retention |
US8017105B2 (en) | 1995-02-01 | 2011-09-13 | Lantheus Medical Imaging, Inc. | Diagnostic imaging contrast agents with extended blood retention |
US8394356B2 (en) | 1995-02-01 | 2013-03-12 | Lantheus Medical Imaging, Inc. | Diagnostic imaging contrast agents with extended blood retention |
Also Published As
Publication number | Publication date |
---|---|
FR2354993B1 (fr) | 1981-04-10 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |