SU558905A1 - 1,3-Diaminopropane-di-succinic acid as complexone - Google Patents

1,3-Diaminopropane-di-succinic acid as complexone

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Publication number
SU558905A1
SU558905A1 SU2321977A SU2321977A SU558905A1 SU 558905 A1 SU558905 A1 SU 558905A1 SU 2321977 A SU2321977 A SU 2321977A SU 2321977 A SU2321977 A SU 2321977A SU 558905 A1 SU558905 A1 SU 558905A1
Authority
SU
USSR - Soviet Union
Prior art keywords
complexone
diaminopropane
succinic acid
complexes
metals
Prior art date
Application number
SU2321977A
Other languages
Russian (ru)
Inventor
Александр Иванович Капустников
Игорь Павлович Горелов
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to SU2321977A priority Critical patent/SU558905A1/en
Application granted granted Critical
Publication of SU558905A1 publication Critical patent/SU558905A1/en

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Description

бавлением твердого NaHCOj. По окончании реакции раствор охлаждают до комнатной температуры, подкисл ют концентрированной MBj до рН 2-2,5 и оставл ют на 1 сутки в холодильнике при 0-5 С, При этом выпадает непрореагировавша  аспара- гинова  кислота, которую отфильтровывают , а к фильтрату приливают 500 мл метпнопа . Выпадает белый кристаллический осадок ДПДЯК, которую перекристаллизовывают из- смеси воды и метанола..1:5 и сушат иа воздухе при 80-100°С, выход 4.0 г (25%), г. пл. 189-191°С.by the addition of solid NaHCOj. At the end of the reaction, the solution is cooled to room temperature, acidified with concentrated MBj to pH 2-2.5 and left for 1 day in a refrigerator at 0-5 ° C. At the same time, unreacted aspartic acid precipitates, which is filtered, and the filtrate is added 500 ml metpnop. A white crystalline precipitate of DPDNA was precipitated, which was recrystallized from a mixture of water and methanol ..1: 5 and dried with air at 80-100 ° С, yield 4.0 g (25%), g. Pl. 189-191 ° C.

Найдено,%; С 43,30; Н 5,79,N 9,26.Found,%; C 43.30; H 5.79, N 9.26.

..н,,м,о.. n ,, m, o

Вычислено,%: С 43,14,- Н 5,88; N9,15Calculated,%: C 43.14, - H 5.88; N9.15

Дл  нового соединени  характерно иное соотношение констант устойчивости комплексов различных металлов по сравн1ению с такими известными комплексонами, как эгилендиаминтетрауксуснай кислота (ЭДТА) и нитрилтриуксусна  кислота (НТА), всйед-. ствие чего дл  них характерна значительно больша  специфичность действи  в otHome НИИ некоторых металлов. Кроме того, комплексокы этого типа обладают значительно большей (эастворимостью в воде при низких значени х рН. Результаты приведены Б таблице. IFor the new compound, a different ratio of the stability constants of the complexes of various metals is typical compared with such well-known complexones such as egilendiamine tetraacetic acid (EDTA) and nitryltriacetic acid (NTA), all-. What is characteristic of them is a much greater specificity of action in otHome of the research institutes of some metals. In addition, complexoks of this type are significantly higher (water soluble at low pH values. The results are shown in Table B. Table I

0,21 0,12 3,50.21 0.12 3.5

Как видно из приведенных данных, растворимость ДПДЯК в 15-20 раз превышает растворимость таких широко используемых комплексонов, как ЭДТА и НТА, что предстаел ет большой интерес дл  аналитической химии и технологии легко гидролизующихс  элементов, таких как торий, скандий и т. д.As can be seen from the above data, the solubility of DNVA is 15–20 times higher than the solubility of such widely used complexones as EDTA and NTA, which is of great interest for analytical chemistry and technology of easily hydrolyzing elements such as thorium, scandium, etc.

Если разность логарифмов констант устойчивости комплексов ртути и меди составл ет дл  ЭДТА 3,0 и дл  НТА 2,5, то дл  ДПДЯК эта разность равна 5,0, что указывает на специфичнос1ъ этого комплексона в отношении ртути.If the difference between the logarithms of the stability constants of the complexes of mercury and copper is 3.0 for EDTA and 2.5 for NTA, then this difference is 5.0 for DNVA, which indicates the specificity of this complexone with respect to mercury.

Наоборот, устойчивость комплексов кальци  с ДПДЯК чрезвычайно низка, что  вл етс  полезным свойством этого комплсона при применении его в медицине дл  выведени  токсичных металлов (например, ртути и меди) из организма человека или животных, когда слишком высока  устойчивость комплексов кальци  вызывает р д нежелательных побочных эффектов.Conversely, the stability of calcium complexes with DPDNA is extremely low, which is a useful feature of this complex when used in medicine to remove toxic metals (for example, mercury and copper) from the body of a person or animals, when too much resistance of calcium complexes causes a number of undesirable side effects. effects.

Комплексы ДПДЯК с медью, никелем, кобальтом и некоторыми другими металла10 ,7DPDYAK complexes with copper, nickel, cobalt and some other metals10, 7

18,818,8

21,821.8

13,013.0

15,515.5

6,46.4

12.112.1

17,117.1

2,82.8

ми имеют интенсивную окраску, что может быть ; использовано дл  фотометрического определени  этих металлов. Как реагент дл  фотометрического анализа ДПДЯКthey are intensely colored, which can be; used for photometric determination of these metals. As a reagent for photometric analysis of DPDNA

имеет преимущество перед часто используемой дл  этих целей ЭДТА, так как коэффициенты мол рного погашени  комплексов ДПДЯК в 1,5-2 раза больше, чем комплексов ЭДТА.has the advantage over the frequently used for these purposes EDTA, since the molar coefficients of the repayment of the DPDYK complexes are 1.5–2 times higher than the EDTA complexes.

ДПДЯК может .быть использована также дл  обычного комплексонометрического определени  большинства металлов, так как устойчивость их комплексов дл  этого достаточно велика (исключение составл -The DPDNA can also be used for the usual complexometric determination of most metals, since the stability of their complexes for this is sufficiently large (the exception is

ют щелочноземельные металлы Формула изобретени alkaline earth metals Formula of the invention

1,3-Диаминопропан- .N , N-ди нтарна  кислота формулы1,3-Diaminopropane- .N, N-di-succinic acid of formula

HOOC-CH-NH-CH.-OH -CHj-NH-CH-COOHHOOC-CH-NH-CH.-OH-CHj-NH-CH-COOH

ноос-сн сн-гсоонnoos-shn-son

в качестве комплексона.as a complexone.

558905558905

5656

Источники информации, прин тые во вни-2. Авторское свидетепьстгюМЬ111252,Sources of information taken in question 2. Copyright witness111252,

мание при экспертизе:кп. С 07 С 101/30, 17.01,72.mania during examination: CP. C 07 C 101/30, 17.01,72.

1. Авторское свидетельством 316685,3 |Пршбил Р, ,Комплексоны в xи mчecкл . С 07 С 87/16, 22.О1.69.ком анализе, М., 1955, с. 7-9.1. Copyright certificate 316685,3 | Prshbil P,, Complexons in x and m set. C 07 C 87/16, 22.O1.69.kom analysis, M., 1955, p. 7-9.

SU2321977A 1976-01-27 1976-01-27 1,3-Diaminopropane-di-succinic acid as complexone SU558905A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
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Publications (1)

Publication Number Publication Date
SU558905A1 true SU558905A1 (en) 1977-05-25

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4705889A (en) * 1985-03-19 1987-11-10 Bayer Aktiengesellschaft Aminosuccinic acid derivatives and their use as emulsifiers for polymer dispersions
US5550285A (en) * 1994-07-11 1996-08-27 Albemarle Corp Method for producing calcium salts of [S,S]-ethylenediamine-N,N'-disuccinic acid
US5554791A (en) * 1994-07-11 1996-09-10 Albemarle Corporation Process for producing [S,S]-ethylenediamine-N,N'-disuccinic acid
US5587512A (en) * 1994-07-11 1996-12-24 Albemarle Corporation Process for obtaining [S,S]-ethylenediamine-n,n'-disuccinic acid from a salt solution of such acid and l-aspartic acid

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4705889A (en) * 1985-03-19 1987-11-10 Bayer Aktiengesellschaft Aminosuccinic acid derivatives and their use as emulsifiers for polymer dispersions
US5550285A (en) * 1994-07-11 1996-08-27 Albemarle Corp Method for producing calcium salts of [S,S]-ethylenediamine-N,N'-disuccinic acid
US5554791A (en) * 1994-07-11 1996-09-10 Albemarle Corporation Process for producing [S,S]-ethylenediamine-N,N'-disuccinic acid
US5587512A (en) * 1994-07-11 1996-12-24 Albemarle Corporation Process for obtaining [S,S]-ethylenediamine-n,n'-disuccinic acid from a salt solution of such acid and l-aspartic acid

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