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Highly Selective/Enantioselective Pt-ReOx/C Catalyst for Hydrogenation of L-Malic Acid at Mild Conditions Научная публикация

Журнал Journal of Energy Chemistry
ISSN: 2095-4956
Вых. Данные Год: 2018, Том: 27, Номер: 3, Страницы: 903-912 Страниц : 10 DOI: 10.1016/j.jechem.2017.07.018
Ключевые слова Atomic dispersion, Enantioselectivity, Hydrogenation, L-malic acid, Platinum, Rhenium
Авторы Bal'zhinimaev Bair S. 1 , Paukshtis Eugene A. 1 , Suknev Alexey P. 1 , Makolkin Nikita V. 1
Организации
1 Boreskov Institute of Catalysis SB RAS, Prospect Akademika Lavrentieva, 5, Novosibirsk 630090, Russia

Информация о финансировании (1)

1 Федеральное агентство научных организаций России 0303-2016-0006 (V.44.1.6)

Реферат: The catalyst preparation strategy was based on a strict introduction sequence of rhenium and platinum precursors and their strong interaction with carbon support resulted in the formation of 0.5 nm Pt-ReOx species of atomic dispersion, where platinum is metallic, while monolayer rhenium is partially oxidized (Re2+). The reaction kinetics was studied taking into account the process of L-malic acid association leading to the formation of inactive cyclic oligomeric species. High TOFs (ca. 50 h−1), selectivities (ca. 99%) and stability of Pt-ReOx/C catalysts in aqueous-phase hydrogenation of L-malic acid, which are close to those of the homogeneous pincer type complexes, were revealed at mild conditions (T = 90–130 °C). Taking into account that (i) hydrogenation reaction occurred 2–3 orders of magnitude faster than its racemization and (ii) association of L-malic acid dominates at low temperatures and in a concentrated solution, special reaction conditions that allow obtaining chemically and optically (ee>99%) pure (S)-3-hydroxy-γ-butyrolactone and (S)-1,2,4-butanetriol were found. Basing on HAADF-STEM, EDX, XPS, and kinetic studies, the structure of active species and basic reaction pathways are proposed.
Библиографическая ссылка: Bal'zhinimaev B.S. , Paukshtis E.A. , Suknev A.P. , Makolkin N.V.
Highly Selective/Enantioselective Pt-ReOx/C Catalyst for Hydrogenation of L-Malic Acid at Mild Conditions
Journal of Energy Chemistry. 2018. V.27. N3. P.903-912. DOI: 10.1016/j.jechem.2017.07.018 WOS Scopus РИНЦ OpenAlex
Даты:
Поступила в редакцию: 25 апр. 2017 г.
Принята к публикации: 27 июл. 2017 г.
Опубликована online: 31 июл. 2017 г.
Опубликована в печати: 1 мая 2018 г.
Идентификаторы БД:
Web of science: WOS:000430515900033
Scopus: 2-s2.0-85026817639
РИНЦ: 35504215
OpenAlex: W2742136193
Цитирование в БД:
БД Цитирований
Web of science 11
Scopus 11
OpenAlex 14
Альметрики: