Диамидоаминовые комплексы циркония [(ArNCH2CH2)2NH]ZrBn2: синтез, молекулярная структура и влияние алкильных заместителей фрагмента Ar на каталитическую активность в (со)полимеризации этилена

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Новые диамидоаминовые комплексы циркония общей формулы [(ArNCH2CH2)2NH]ZrBn2 (Bn = CH2Ph), различающиеся числом и положением алкильных заместителей в арильном фрагменте, синтезированы и охарактеризованы методами 1H и 13C ЯМР-спектроскопии. С использованием рентгеноструктурного анализа доказана молекулярная структура этих комплексов. Полученные комплексы исследованы в гомогенной полимеризации этилена и сополимеризации этилена с гексеном-1 при активации модифицированным метилалюмоксаном (MMAO-12). В сополимеризации этилена с гексеном-1 в присутствии H2 комплекс [((1,2,3,4,5,6,7,8-октагидроантрацен-9-ил)NCH2CH2)2NH]ZrBn2 (Zr5) продемонстрировал наиболее выраженный положительный сомономерный эффект; при катализе комплексом [((2,4,6-изо-Pr3C6H2)NCH2CH2)2NH]ZrBn2 (Zr2) была достигнута максимальная степень внедрения гексена-1 в образующийся сополимер1.

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作者简介

Андрей Поляков

Институт нефтехимического синтеза им. А.В. Топчиева РАН

编辑信件的主要联系方式.
Email: polyakov@ips.ac.ru
ORCID iD: 0009-0004-9464-8197
俄罗斯联邦, Москва

Александр Виноградов

Институт нефтехимического синтеза им. А.В. Топчиева РАН

Email: polyakov@ips.ac.ru
ORCID iD: 0000-0002-7113-4183

к.х.н., с.н.с.

俄罗斯联邦, Москва

Илья Нифантьев

Институт нефтехимического синтеза им. А.В. Топчиева РАН

Email: polyakov@ips.ac.ru
ORCID iD: 0000-0001-9151-1890

д.х.н., зав. лаб.

俄罗斯联邦, Москва

Павел Ивченко

Институт нефтехимического синтеза им. А.В. Топчиева РАН

Email: polyakov@ips.ac.ru
ORCID iD: 0000-0002-0181-5952

д.х.н., в.н.с.

俄罗斯联邦, Москва

Павел Комаров

Институт нефтехимического синтеза им. А.В. Топчиева РАН

Email: polyakov@ips.ac.ru
ORCID iD: 0000-0003-4181-5022

н.с.

俄罗斯联邦, Москва

Гузелия Садртдинова

Институт нефтехимического синтеза им. А.В. Топчиева РАН

Email: polyakov@ips.ac.ru
ORCID iD: 0009-0000-7528-5360

м.н.с.

Москва

Михаил Миняев

Институт нефтехимического синтеза им. А.В. Топчиева РАН

Email: polyakov@ips.ac.ru
ORCID iD: 0000-0002-4089-3697

к.х.н., с.н.с.

俄罗斯联邦, Москва

Татьяна Самурганова

Институт нефтехимического синтеза им. А.В. Топчиева РАН

Email: polyakov@ips.ac.ru
ORCID iD: 0000-0003-1918-0059

м.н.с.

俄罗斯联邦, Москва

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2. Supplementary
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3. Fig. 1. Complexes studied in this work.

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4. Fig. 2. Synthesis of aromatic hydrocarbons.

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5. Fig. 3. Synthesis of ligands and complexes.

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6. Fig. 4. Molecular structures of Zr1–Zr5 complexes.

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7. Fig. 5. Differential scanning calorimetry (DSC) curves (second melting) of ethylene-1-hexene copolymer samples.

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1 Дополнительные материалы доступны в электронном виде по DOI статьи: 10.31857/S0028242125010021


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