Zobrazeno 1 - 10
of 28
pro vyhledávání: '"Lin-Feng Cun"'
Publikováno v:
Journal of Applied Polymer Science. 65:1883-1887
Publikováno v:
Journal of Applied Polymer Science. 64:1719-1723
Copolymerizations of 1,3-pentadiene (PD) with 1,3-cyclopentadiene (CPD) initiated by aluminium trichloride were carried out in toluene. The addition of CPD in the PD polymerization system does not affect the molecular weight but greatly increases the
Publikováno v:
Journal of Polymer Science Part A: Polymer Chemistry. 34:3527-3530
endo-Dicyclopentadiene (DCPD) was polymerized by various cationic initiating systems in different solvents. IR and 1H NMR results show that four types of structural units are formed due to the corresponding addition modes: the addition on the norborn
Publikováno v:
Polymer. 37:3979-3982
The polymerizations of 2-methyl-2-butene (2M2B) were carried out by various cationic initiators in different media at 30°C. All these polymerizations generate oily oligomers of rather low degrees of polymerization (3–5). Evidences from i.r. and 1H
Publikováno v:
Journal of Polymer Science Part A: Polymer Chemistry. 34:903-906
Publikováno v:
The Journal of organic chemistry. 72(26)
A variety of organocatalysts for the asymmetric direct aldol reactions of ketones with alpha-keto acids were designed on the basis of molecular recognition and prepared from proline and aminopyridines. The organic molecule 8e, derived from proline an
Publikováno v:
ChemInform. 38
Direct aldol reactions of aldehydes with methylthio- and fluoroacetone catalyzed by proline amides have been investigated. l -Prolinamide 5e was found to be the best catalyst. Under the optimized reaction conditions, a series of aromatic and aliphati
Autor:
Zhuo, Tang, Zhi-Hua, Yang, Xiao-Hua, Chen, Lin-Feng, Cun, Ai-Qiao, Mi, Yao-Zhong, Jiang, Liu-Zhu, Gong
Publikováno v:
Journal of the American Chemical Society. 127(25)
L-proline amides derived from various chiral beta-amino alcohols that bear substituents with various electron natures at their stereogenic centers are prepared and evaluated for catalyzing the direct Aldol reaction of 4-nitrobenzaldehyde with acetone
Autor:
Quan-Zhong, Liu, Nan-Sheng, Xie, Zhi-Bin, Luo, Xin, Cui, Lin-Feng, Cun, Liu-Zhu, Gong, Ai-Qiao, Mi, Yao-Zhong, Jiang
Publikováno v:
The Journal of organic chemistry. 68(20)
A family of optically pure 7,7'-disubsituted-2,2'-dihydroxy-1,1'-dinaphthyls have been conveniently prepared from easily accessible 7-alloxyl-2-naphthol by reaction sequences beginning with the asymmetric oxidative coupling and followed by key synthe
Publikováno v:
Organic Letters; May2011, Vol. 13 Issue 9, p2472-2475, 4p