دورية أكاديمية
أعرض في EDS

Pillar[3]trianglamines: deeper cavity triangular macrocycles for selective hexene isomer separation.

التفاصيل البيبلوغرافية
العنوان: Pillar[3]trianglamines: deeper cavity triangular macrocycles for selective hexene isomer separation.
المؤلفون: Ding Y; Smart Hybrid Materials (SHMs) Laboratory, Advanced Membranes and Porous Materials Center, King Abdullah University of Science and Technology (KAUST) Thuwal 23955-6900 Kingdom of Saudi Arabia niveen.khashab@kaust.edu.sa., Alimi LO; Smart Hybrid Materials (SHMs) Laboratory, Advanced Membranes and Porous Materials Center, King Abdullah University of Science and Technology (KAUST) Thuwal 23955-6900 Kingdom of Saudi Arabia niveen.khashab@kaust.edu.sa., Du J; Key Laboratory of Polyoxometalate and Reticular Material Chemistry of Ministry of Education, Faculty of Chemistry, Northeast Normal University Changchun 130024 China., Hua B; Smart Hybrid Materials (SHMs) Laboratory, Advanced Membranes and Porous Materials Center, King Abdullah University of Science and Technology (KAUST) Thuwal 23955-6900 Kingdom of Saudi Arabia niveen.khashab@kaust.edu.sa., Dey A; Smart Hybrid Materials (SHMs) Laboratory, Advanced Membranes and Porous Materials Center, King Abdullah University of Science and Technology (KAUST) Thuwal 23955-6900 Kingdom of Saudi Arabia niveen.khashab@kaust.edu.sa., Yu P; Smart Hybrid Materials (SHMs) Laboratory, Advanced Membranes and Porous Materials Center, King Abdullah University of Science and Technology (KAUST) Thuwal 23955-6900 Kingdom of Saudi Arabia niveen.khashab@kaust.edu.sa., Khashab NM; Smart Hybrid Materials (SHMs) Laboratory, Advanced Membranes and Porous Materials Center, King Abdullah University of Science and Technology (KAUST) Thuwal 23955-6900 Kingdom of Saudi Arabia niveen.khashab@kaust.edu.sa.
المصدر: Chemical science [Chem Sci] 2022 Mar 02; Vol. 13 (11), pp. 3244-3248. Date of Electronic Publication: 2022 Mar 02 (Print Publication: 2022).
نوع المنشور: Journal Article
اللغة: English
بيانات الدورية: Publisher: Royal Society of Chemistry Country of Publication: England NLM ID: 101545951 Publication Model: eCollection Cited Medium: Print ISSN: 2041-6520 (Print) Linking ISSN: 20416520 NLM ISO Abbreviation: Chem Sci Subsets: PubMed not MEDLINE
أسماء مطبوعة: Original Publication: Cambridge, UK : Royal Society of Chemistry, [2010]-
مستخلص: The separation of α-olefins and their corresponding isomers continues to be a big challenge for the chemical industry due to their overlapping physical properties and low relative volatility. Herein, pillar[3]trianglamine (P-TA) macrocycles were synthesized for the molecular-sieving-like separation of 1-hexene (1-He) selectively over its positional isomer trans -3-hexene (trans-3-He) in the vapor and liquid state. This allyl-functionalized macrocycle features a deeper cavity compared to the previously reported trianglamine host molecules. Solid-vapor sorption experiments verified the successful separation of 1-He from an equimolar mixture of 1-He and trans-3-He. Single-crystal structures and powder X-ray diffraction patterns suggest that this selective adsorption arises from the formation of a thermodynamically stable host-guest complex between 1-He and P-TA. A reversible transformation between the nonporous guest-free structure and the guest-containing structure shows that 1-He separation can be carried out over multiple cycles without any loss of performance. Significantly, P-TA can separate 1-He directly from a liquid isomeric mixture and thus P-TA modified silica sieves (SBA-15) showed the ability to selectively separate 1-He when utilized as a stationary phase in column chromatography. This capitalizes on the prospects of employing macrocyclic hosts as molecular recognition units in real-life separations for sustainable and energy-efficient industrial practices.
Competing Interests: There are no conflicts to declare.
(This journal is © The Royal Society of Chemistry.)
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تواريخ الأحداث: Date Created: 20220413 Latest Revision: 20220414
رمز التحديث: 20240628
مُعرف محوري في PubMed: PMC8926253
DOI: 10.1039/d2sc00207h
PMID: 35414884
قاعدة البيانات: MEDLINE
الوصف
تدمد:2041-6520
DOI:10.1039/d2sc00207h