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Continuous-flow synthesis of pentaerythritol:Alkalinity release of sodium solvation cage to control aldol and Cannizzaro reactions: 《Chinese Journal of Chemical Engineering》2025年第3期23-29,共7页Zhengguang Wang Xin Qu Xingke Yuan Zhanpeng Gao Niu Hu Jiansheng Wei Wenpeng Li Zhirong Yang Jingtao Wang; funded by the National Natural Science Foundation of China(22478632);Key Scientific and Technological Project of Henan Province(242102321032).; Continuous-flow upgrading of pentaerythritol synthesis technology via base-catalyzed aldol and Cannizzaro reactions of formaldehyde and acetaldehyde faces the challenge of effectively controlling the critical side rea...; 关键词：Alkaline formaldehyde Sodium solvation cage Aldol reaction Cannizzaro reaction CONTINUOUS-FLOW PENTAERYTHRITOL

利用Aldol反应合成新型同位素内标β-羟基-β-甲基丁酸钙-D: 《合成化学》2025年第3期198-204,共7页郭会陈武炼; 羟基-β-甲基丁酸钙作为食品添加物已得到广泛应用,为了准确检测该添加物在各种复杂食品基质中的含量,开发同位素稀释质谱法具有重要意义,而同位素内标是该方法所必需的基准物质。基于此背景,本文研究了一种新型同位素内标β-羟基-β-...; 关键词：羟基-β-甲基丁酸钙稳定同位素标记 ALDOL反应合成表征

非均相催化氢甲酰化的串联反应研究进展: 《有机化学》2024年第10期3147-3158,共12页周宇飞贾肖飞; 国家自然科学基金(No.21703116)资助项目.; 氢甲酰化反应是工业上合成醛的重要方法之一.醛进一步通过有机反应转化为缩醛、醇、胺和羧酸等多种精细化学品.随着绿色化学的发展,非均相催化剂由于分离和循环使用等优势而引起广泛的关注.另外,基于氢甲酰化的串联反应能够“一锅法”...; 关键词：非均相催化剂氢甲酰化-缩醛化氢甲酰化-氢化氢胺甲基化氢甲酰化-Aldol

High-Mobility Ambipolar Benzodifurandione-Based Copolymers with Regular Donor–Acceptor Dyads Synthesized via Aldol Polycondensation: 《CCS Chemistry》2023年第11期2603-2616,共14页Qian Che Weifeng Zhang Xuyang Wei Yankai Zhou Hao Luo Jinbei Wei Liping Wang Gui Yu; made possible as a result of a generous grant from the Beijing Municipal Natural Science Foundation(grant no.2212054);the National Natural Science Foundation of China(grants nos.22075294,22275194,22175021,22021002);Beijing National Laboratory for Molecular Sciences(grant no.BNLMSCXXM-202101).; In this study,a family of three benzodifurandione-baseddonor–acceptor(D–A)copolymers,namelypoly[3,7-bis((E)-1-(4-octadecyldocosyl)-2-oxo-6-yl-indolin-3-ylidene)-3,7-dihydrobenzo[1,2-b:4,5-b′]difuran-2,6-dionealt-(E...; 关键词：aldol polycondensation polymer semiconductors thin filmtransistors ambipolar charge transport nonbonding interactions MOBILITIES

邻巯基苯甲醛与β,γ-不饱和-α-酮酸酯的Michael加成/aldol/内酯化串联反应的研究: 《山东化工》2022年第10期22-23,27,共3页张学环叶玲李雪锋; 中央高校基本科研业务费专项资金:西南交通大学(2682020CX13);西南民族大学2021年校级大学生创新创业训练计划项目(X201110656378)。; 在碳酸钠的作用下,邻巯基苯甲醛能够顺利与β,γ-不饱和-α-酮酸酯发生Michael加成/aldol/内酯化串联反应,以50%~60%的产率得到目标产物。反应表现出较好的底物适应性,各种电子性质的β,γ-不饱和-α-酮酸酯都能够与邻巯基苯甲醛顺利发...; 关键词：串联反应 β γ-不饱和-α-酮酸酯邻巯基苯甲醛

Progressive steps and catalytic cycles in methanol-to-hydrocarbons reaction over acidic zeolites被引量：1: 《Fundamental Research》2022年第2期184-192,共9页Liu Yang Chang Wang Weili Dai Guangjun Wu Naijia Guan Landong Li; This work was supported by the National Natural Science Foundation of China(Grants No.21972069,22025203);the Fundamental Research Funds for the Central Universities,and Frontiers Science Center for New Organic Matter,Nankai University(Grant No.63181206).; Understanding the complete reaction network and mechanism of methanol to-hydrocarbons remains a key chal-lenge in the field of zeolite catalysis and C1 chemistry.Inspired by the identification of the reactive surface ...; 关键词：METHANOL-TO-HYDROCARBONS H-ZSM-5 zeolite Reaction mechanism First carbon-carbon bond Aldol-cycle

Synthesis of Two-Dimensional C–C Bonded Truxene-Based Covalent Organic Frameworks by Irreversible Brønsted Acid-Catalyzed Aldol Cyclotrimerization: 《Research》2022年第1期91-98,共8页Qingsong Zhang Yunlong Sun Haijing Li Kun Tang Yu-Wu Zhong Dong Wang Yunlong Guo Yunqi Liu; support from the Research Program of the Chinese Academy of Sciences(No.XDB30000000);the National Natural Science Foundation of China(Nos.21633012,61890940,and 21922511);the National Basic Research Program of China the Strategic Priority(2016YFA0200101 and 2018YFA0703200);the CAS Key Research Program of Frontier Sciences(QYZDY-SSWSLH029).; The synthesis of new C–C bonded two-dimensional(2D)covalent organic frameworks(COFs)is highly desirable.Here,a simple but effective synthetic strategy has been developed using an irreversible Brønsted acid-catalyzed ...; 关键词：bonded REVERSIBLE valent

米力农生产工艺中新化合物的形成与环化机制及其结构推测: 《药学研究》2021年第12期785-789,802,共6页唐斌徐伟丛艳权晓丹赵学清; 黑龙江区域2020年“雏鹰计划”计划项目(No.CY2020JH003139)。; 目的推测米力农现有的生产工艺中新化合物的形成与环化的机制,再结合反应机理推测该新化合物的结构。方法在低温下制备纯度较高的该新化合物,测定各种结构数据。结果给出了该新化合物的可能结构,并可以合理解释其形成与环化的机制。结...; 关键词：米力农 Aldol加成 MICHAEL加成环合

NHC-catalysed retro-aldol/aldol cascade reaction enabling solvent-controlled stereodivergent synthesis of spirooxindoles被引量：1: 《Chinese Chemical Letters》2021年第8期2567-2571,共5页Haijun Leng Qian Zhao Qing Mao Shuaijiang Liu Menglan Luo Rui Qin Wei Huang Gu Zhan; financial support from Ministry of Science and Technology of China (No.2019ZX09721001-008);National Natural Science Foundation of China (Nos.81773890,22001024,82073997);the “Thousand Talents Program” of Sichuan Province and Xinglin Scholar Research Premotion Project of CDUTCM。; An N-heterocyclic carbene(NHC)-catalysed retro-aldol/aldol cascade reaction of spirooxindole-basedβ-hydroxyaldehyde has been developed.The ring opening-closure process enables the diastereodivergent synthesis of spir...; 关键词：Asymmetric synthesis Solvent-controlled diastereodivergence Retro-aldol/aldol Cascade reaction SPIROOXINDOLE N-Heterocyclic carbene catalysis

Ionic liquid catalyzed solvent-free synthesis of chalcone and its derivatives under mild conditions被引量：2: 《Chinese Journal of Chemical Engineering》2021年第5期160-166,共7页Qiu Zhao Gang Wang Fuxia Liao Yifan Sha Fei Xu Chunshan Li Zengxi Li Yijun Cao; We thank the financial support of Major Program of National Natural Science Foundation of China(21890762);General Program of National Natural Science Foundation of China(21878293);National Natural Science Foundation of China(21676270);Key Research Program of Frontier Sciences,CAS(QYZDY-SSW-JSC011);the K.C.Wong Education Foundation(GJTD-2018-04).; An ionic liquid(IL)catalyzed solvent-free process was developed for the direct synthesis of chalcone and its derivatives by using substituted acetophenones and benzaldehydes via aldol reaction under mild conditions.A ...; 关键词：IONIC liquid CHALCONE ALDOL reaction KINETIC model

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