A homogeneous redox catalytic process for the paired synthesis of l-cysteine and l-cysteic acid from l-cystine
Publication type: Journal Article
Publication date: 2011-11-01
scimago Q1
wos Q1
SJR: 1.106
CiteScore: 10.6
Impact factor: 5.6
ISSN: 00134686, 18733859
General Chemical Engineering
Electrochemistry
Abstract
Redox catalytic process involved in the paired electrosynthesis of l -cysteine and l -cysteic acid from l -cystine is investigated by cyclic voltammetric technique and also confirmed by preparative electrolysis. The cyclic voltammetric behaviour shows that in the catholyte, in situ deposited tin (Sn) surface acts as a redox catalyst for the electro-reduction of l -cystine to l -cysteine whereas in the anolyte, the electro-generated bromine acts as a homogeneous redox mediator to enhance the electro-oxidation of l -cystine. l -Cysteine hydrochloride monohydrate ( l -cysteine) and l -cysteic acid are prepared from l -cystine by preparative electrolysis with high purity and high yield using graphite cathode and DSA anode. At optimum concentration of l -cystine with 1:1 concentration ratio (catholyte:anolyte), the material yield obtained for l -cysteine is above 80% and that for l -cysteic acid is close to 60% in the paired electrosynthesis process in the batch operation. Scope for further experiments in conversion efficiency is also discussed.
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GOST
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Babu K. N. et al. A homogeneous redox catalytic process for the paired synthesis of l-cysteine and l-cysteic acid from l-cystine // Electrochimica Acta. 2011. Vol. 56. No. 27. pp. 9797-9801.
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Babu K. N., Sivasubramanian R., Noel M., Kulandainathan M. A. A homogeneous redox catalytic process for the paired synthesis of l-cysteine and l-cysteic acid from l-cystine // Electrochimica Acta. 2011. Vol. 56. No. 27. pp. 9797-9801.
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TY - JOUR
DO - 10.1016/j.electacta.2011.08.052
UR - https://doi.org/10.1016/j.electacta.2011.08.052
TI - A homogeneous redox catalytic process for the paired synthesis of l-cysteine and l-cysteic acid from l-cystine
T2 - Electrochimica Acta
AU - Babu, K. N.
AU - Sivasubramanian, R
AU - Noel, M.
AU - Kulandainathan, M. Anbu
PY - 2011
DA - 2011/11/01
PB - Elsevier
SP - 9797-9801
IS - 27
VL - 56
SN - 0013-4686
SN - 1873-3859
ER -
Cite this
BibTex (up to 50 authors)
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@article{2011_Babu,
author = {K. N. Babu and R Sivasubramanian and M. Noel and M. Anbu Kulandainathan},
title = {A homogeneous redox catalytic process for the paired synthesis of l-cysteine and l-cysteic acid from l-cystine},
journal = {Electrochimica Acta},
year = {2011},
volume = {56},
publisher = {Elsevier},
month = {nov},
url = {https://doi.org/10.1016/j.electacta.2011.08.052},
number = {27},
pages = {9797--9801},
doi = {10.1016/j.electacta.2011.08.052}
}
Cite this
MLA
Copy
Babu, K. N., et al. “A homogeneous redox catalytic process for the paired synthesis of l-cysteine and l-cysteic acid from l-cystine.” Electrochimica Acta, vol. 56, no. 27, Nov. 2011, pp. 9797-9801. https://doi.org/10.1016/j.electacta.2011.08.052.