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Additional Aspects of Complexation of Gold(I) with Thiomalate. / Mironov, Igor V.; Kharlamova, Viktoria Yu.

In: Journal of Solution Chemistry, Vol. 47, No. 3, 01.03.2018, p. 511-527.

Research output: Contribution to journal › Article › peer-review

Harvard

Mironov, IV & Kharlamova, VY 2018, 'Additional Aspects of Complexation of Gold(I) with Thiomalate', Journal of Solution Chemistry, vol. 47, no. 3, pp. 511-527. https://doi.org/10.1007/s10953-018-0735-y

APA

Mironov, I. V., & Kharlamova, V. Y. (2018). Additional Aspects of Complexation of Gold(I) with Thiomalate. Journal of Solution Chemistry, 47(3), 511-527. https://doi.org/10.1007/s10953-018-0735-y

Vancouver

Mironov IV, Kharlamova VY. Additional Aspects of Complexation of Gold(I) with Thiomalate. Journal of Solution Chemistry. 2018 Mar 1;47(3):511-527. doi: 10.1007/s10953-018-0735-y

Author

Mironov, Igor V. ; Kharlamova, Viktoria Yu. / Additional Aspects of Complexation of Gold(I) with Thiomalate. In: Journal of Solution Chemistry. 2018 ; Vol. 47, No. 3. pp. 511-527.

BibTeX

@article{6ad4e87e3fc14fc681e30bbf3c6b1aa2,
title = "Additional Aspects of Complexation of Gold(I) with Thiomalate",
abstract = "Some equilibria involving gold(I) thiomalate (mercaptosuccinate, TM) complexes have been studied in the aqueous solution at 25 °C and I = 0.2 mol·L−1 (NaCl). In the acidic region, the oxidation of TM by AuCl4- proceeds with the formation of sulfinic acid, and gold(III) is reduced to gold(I). The interaction of gold(I) with TM at nTM/nAu ≤ 1 leads to the formation of highly stable cyclic polymeric complexes Aum(TM)m∗ with various degrees of protonation depending on pH. In general, the results agree with the tetrameric form of this complex proposed in the literature. At nTM/nAu > 1, the processes of opening the cyclic structure, depolymerization and the formation of Au(TM)2∗ occur: Au4(TM)48-+TM3-⇌Au4(TM)511-, log10K45 = 10.1 ± 0.5; 0.25 Au4(TM)48-+TM3-⇌Au(TM)25-, log10K12 = 4.9 ± 0.2. The standard potential of Au(TM)25- is E1/0∘=-0.255±0.030V. The numerous protonation processes of complexes at pH < 7 were described with the use of effective functions.",
keywords = "Complexes of gold(I), Polymeric complexes, Protonated complexes, Thiomalate, NANOPARTICLES, MYOCHRYSINE, ANTIARTHRITIC DRUG, 2-MERCAPTOSUCCINIC ACID",
author = "Mironov, {Igor V.} and Kharlamova, {Viktoria Yu}",
year = "2018",
month = mar,
day = "1",
doi = "10.1007/s10953-018-0735-y",
language = "English",
volume = "47",
pages = "511--527",
journal = "Journal of Solution Chemistry",
issn = "0095-9782",
publisher = "Springer New York",
number = "3",

}

RIS

TY - JOUR

T1 - Additional Aspects of Complexation of Gold(I) with Thiomalate

AU - Mironov, Igor V.

AU - Kharlamova, Viktoria Yu

PY - 2018/3/1

Y1 - 2018/3/1

N2 - Some equilibria involving gold(I) thiomalate (mercaptosuccinate, TM) complexes have been studied in the aqueous solution at 25 °C and I = 0.2 mol·L−1 (NaCl). In the acidic region, the oxidation of TM by AuCl4- proceeds with the formation of sulfinic acid, and gold(III) is reduced to gold(I). The interaction of gold(I) with TM at nTM/nAu ≤ 1 leads to the formation of highly stable cyclic polymeric complexes Aum(TM)m∗ with various degrees of protonation depending on pH. In general, the results agree with the tetrameric form of this complex proposed in the literature. At nTM/nAu > 1, the processes of opening the cyclic structure, depolymerization and the formation of Au(TM)2∗ occur: Au4(TM)48-+TM3-⇌Au4(TM)511-, log10K45 = 10.1 ± 0.5; 0.25 Au4(TM)48-+TM3-⇌Au(TM)25-, log10K12 = 4.9 ± 0.2. The standard potential of Au(TM)25- is E1/0∘=-0.255±0.030V. The numerous protonation processes of complexes at pH < 7 were described with the use of effective functions.

AB - Some equilibria involving gold(I) thiomalate (mercaptosuccinate, TM) complexes have been studied in the aqueous solution at 25 °C and I = 0.2 mol·L−1 (NaCl). In the acidic region, the oxidation of TM by AuCl4- proceeds with the formation of sulfinic acid, and gold(III) is reduced to gold(I). The interaction of gold(I) with TM at nTM/nAu ≤ 1 leads to the formation of highly stable cyclic polymeric complexes Aum(TM)m∗ with various degrees of protonation depending on pH. In general, the results agree with the tetrameric form of this complex proposed in the literature. At nTM/nAu > 1, the processes of opening the cyclic structure, depolymerization and the formation of Au(TM)2∗ occur: Au4(TM)48-+TM3-⇌Au4(TM)511-, log10K45 = 10.1 ± 0.5; 0.25 Au4(TM)48-+TM3-⇌Au(TM)25-, log10K12 = 4.9 ± 0.2. The standard potential of Au(TM)25- is E1/0∘=-0.255±0.030V. The numerous protonation processes of complexes at pH < 7 were described with the use of effective functions.

KW - Complexes of gold(I)

KW - Polymeric complexes

KW - Protonated complexes

KW - Thiomalate

KW - NANOPARTICLES

KW - MYOCHRYSINE

KW - ANTIARTHRITIC DRUG

KW - 2-MERCAPTOSUCCINIC ACID

UR - http://www.scopus.com/inward/record.url?scp=85044175298&partnerID=8YFLogxK

U2 - 10.1007/s10953-018-0735-y

DO - 10.1007/s10953-018-0735-y

M3 - Article

AN - SCOPUS:85044175298

VL - 47

SP - 511

EP - 527

JO - Journal of Solution Chemistry

JF - Journal of Solution Chemistry

SN - 0095-9782

IS - 3

ER -

ID: 12176207