SU694499A1 - 12,18 -dimethyl -5,15, 25 -trioxa -12,18 -diaza-nonacosane -6,13,17,24 -tetrone as calcium ion selective ligand - Google Patents
12,18 -dimethyl -5,15, 25 -trioxa -12,18 -diaza-nonacosane -6,13,17,24 -tetrone as calcium ion selective ligandInfo
- Publication number
- SU694499A1 SU694499A1 SU782620307A SU2620307A SU694499A1 SU 694499 A1 SU694499 A1 SU 694499A1 SU 782620307 A SU782620307 A SU 782620307A SU 2620307 A SU2620307 A SU 2620307A SU 694499 A1 SU694499 A1 SU 694499A1
- Authority
- SU
- USSR - Soviet Union
- Prior art keywords
- dimethyl
- nonacosane
- tetrone
- trioxa
- diaza
- Prior art date
Links
Landscapes
- Nitrogen Condensed Heterocyclic Rings (AREA)
Description
1one
Изобретение относитс к новому соединению 12,18-диметил-5,15,25-триокса-12,18-диазанонакозан-6 ,13,17,24-тетрону, обладающему повышенной селективностью к ионам кальци -.This invention relates to a novel compound 12,18-dimethyl-5,15,25-triox-12,18-diazananacosan-6, 13,17,24-tetron, which has a high selectivity to calcium ions.
Известны лиганды дл кальциевых селективных электродов в р ду олигооксадиазаалкантетронов , лучшим из которых вл етс 15,24-диметил-3,18,21,36-тетраокса15 ,24-диазаоктатриаконтан - 4,16,23,35-тетрон .Ligands are known for calcium selective electrodes in a series of oligooxadia-alcantetrons, the best of which is 15.24-dimethyl-3,18,21,36-tetraox 15, 24-diazaoctatriacontane - 4,16,23,35-tetron.
Однако известное соединение обладает недостаточной селективностью к ионам кальци относительно ионов натри и кали ; коэффициент селективности Ксаха 5,7.10-3; Ксак 7,3-10-2.However, the known compound has insufficient selectivity for calcium ions with respect to sodium and potassium ions; the coefficient of selectivity Xach 5,7.10-3; Ksak 7.3-10-2.
Цель изобретени - полученне соединени , обладаюшего повышенной избирательностью к ионам кальци .The purpose of the invention is to obtain a compound having a high selectivity for calcium ions.
Указанна цель достигаетс новым соединением 12,18-диметил-5,15,25-триокса-12,18диазанонакозан-6 ,13,17,24-тетронам формулыThis goal is achieved by the novel compound 12,18-dimethyl-5,15,25-triox-12,18 diazananacosan-6, 13,17,24-tetrons of the formula
СНзSNS
N- CH IS-COOC HS сN- CH IS-COOC HS with
снг оcis o
{«г с{"G with
Я-(СК) снI- (SK) sn
селективного к ионам кальци .selective to calcium ions.
Увеличение избирательности достигаетс увеличением жесткости геометрического построени соединени .Increased selectivity is achieved by increasing the stiffness of the geometric construction of the joint.
Синтез 12,18-диметил-5,15,25-трцокса-12, 18-диазанонакозан-6,13,17,24-тетрона осуществл ют взаимодействием бутилового эфира е-метиламинокапроновой кислоты и дихлорангидрида дигликолевой кислоты. Бутиловый эфир е-метиламинокапроновой кислоты получают этерификацией хлоргидрита е-метиламинокапроновой кислоты бутанолом в присутствии п-толуолсульфокисSynthesis of 12,18-dimethyl-5,15,25-trcsox-12, 18-diazanonacosan-6,13,17,24-tetron is carried out by the interaction of e-methylaminocaproic acid butyl ester and diglycolic acid dichloride. E-methylaminocaproic acid butyl ester is obtained by esterification of e-methylaminocaproic acid chlorhydrite with butanol in the presence of p-toluenesulfonic
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU782620307A SU694499A1 (en) | 1978-05-26 | 1978-05-26 | 12,18 -dimethyl -5,15, 25 -trioxa -12,18 -diaza-nonacosane -6,13,17,24 -tetrone as calcium ion selective ligand |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SU782620307A SU694499A1 (en) | 1978-05-26 | 1978-05-26 | 12,18 -dimethyl -5,15, 25 -trioxa -12,18 -diaza-nonacosane -6,13,17,24 -tetrone as calcium ion selective ligand |
Publications (1)
Publication Number | Publication Date |
---|---|
SU694499A1 true SU694499A1 (en) | 1979-10-30 |
Family
ID=20766613
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SU782620307A SU694499A1 (en) | 1978-05-26 | 1978-05-26 | 12,18 -dimethyl -5,15, 25 -trioxa -12,18 -diaza-nonacosane -6,13,17,24 -tetrone as calcium ion selective ligand |
Country Status (1)
Country | Link |
---|---|
SU (1) | SU694499A1 (en) |
-
1978
- 1978-05-26 SU SU782620307A patent/SU694499A1/en active
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