報(bào)告題目：Catalysts for a more sustainable chemistry （面向更為可持續(xù)化的催化化學(xué)）
報(bào) 告 人 ：Rhett Kempe教授
報(bào)告時(shí)間：2018年1月4日（周四）上午10:00
報(bào)告地點(diǎn)：化學(xué)樓二樓一號(hào)會(huì)議室
邀 請(qǐng) 人 ：顧彥龍教授
報(bào)告人簡(jiǎn)介：
Kempe教授在新型配合物和非均相納米催化領(lǐng)域均取得了杰出的科學(xué)成就。通過(guò)應(yīng)用這些催化劑和采用無(wú)氫受體的脫氫偶聯(lián)反應(yīng)策略，發(fā)展了一系列由可再生資源轉(zhuǎn)化為功能化氮雜環(huán)的新合成方法。至今，Kempe已在Nat Chem、Nat Commun、J Am Chem Soc、Angew Chem Int Ed等國(guó)際頂級(jí)化學(xué)刊物上發(fā)表研究論文400余篇，并擔(dān)任多個(gè)國(guó)際知名期刊的編委，獲得過(guò)卡爾-溫納克、海森堡等獎(jiǎng)項(xiàng)。2004年至2007年間，他擔(dān)任拜羅伊特大學(xué)化學(xué)系的主任；2009年至2015年間，他分別擔(dān)任生物-化學(xué)-地球科學(xué)學(xué)院的副院長(zhǎng)和院長(zhǎng)；目前，他是拜羅伊特大學(xué)理事會(huì)的核心成員。
報(bào)告摘要：
Dwindling reserves of crude oil and other fossil carbon sources combined with environmental concerns have resulted in a call for the use of alternative, preferably renewable resources. Aside from fuel, ultimately a wide variety of chemical feedstocks is derived from fossil sources. Renewable lignocellulosic materials or waste are abundantly available, indigestible and therefore not useful as food products, and can be processed to give alcohols and polyols. Thus, there is a high demand for new reactions that utilize alcohols and convert them into key chemicals.Recently, our group introduced the concept of acceptorless dehydrogenative condensation (ADC) for the catalytic synthesis of important aromatic N-heterocyclic compounds like pyrroles. In such ADC reactions, alcohols become selectively hetero-connected via C-C and C-N bond formation steps. The deoxygenation of alcohols takes place via condensation steps and liberation of H2 leads to aromatization.In the talk, the development of (i) the ADC concept,(ii) ADC reactions, (iii) robustly supported reusable catalysts for ADC, and (iv) nonprecious 3d-metal catalysts for such reactions are discussed.
