QQ客服 官方微博 反馈留言

浏览/检索结果: 共8条，第1-8条 帮助 已选(0)清除 条数/页：5101520253035404550556065707580859095100   排序方式：请选择作者升序作者降序题名升序题名降序发表日期升序发表日期降序提交时间升序提交时间降序 Structure Elucidation and Theoretical Investigation of Key Steps in the Biogenetic Pathway of Schisanartane Nortriterpenoids by Using DFT Methods 期刊论文 CHEMISTRY-A EUROPEAN JOURNAL, 2008, 卷号: 14, 期号: 36, 页码: 11584-11592 作者:  Xiao WL;  Lei C;  Ren J;  Liao TG;  Pu JX[1] 收藏  |  浏览/下载：10/0  |  提交时间：2010/08/24 biogenetic pathway  biological activity  density functional calculations  nortriterpenoids  X-ray absorption spectroscopy   Investigations of different chemoselectivities in primary, secondary and tertiary amide reactions with sodium borohydride 期刊论文 EUROPEAN JOURNAL OF ORGANIC CHEMISTRY, 2006, 期号: 8, 页码: 1991-1999 作者:  Ren, J;  Li, LC;  Liu, JK;  Zhu, HJ;  Pittman, CU 收藏  |  浏览/下载：17/0  |  提交时间：2011/12/19 Chemoselective Reductions  Borohydride  Amides  B3lyp  Transition States   Unexpected selectivity in sodium borohydride reductions of alpha-substituted esters: Experimental and theoretical studies 期刊论文 EUROPEAN JOURNAL OF ORGANIC CHEMISTRY, 2006, 期号: 8, 页码: 1981-1990 作者:  Li, LC;  Jiang, JX;  Ren, J;  Ren, Y;  Pittman, CU 收藏  |  浏览/下载：12/0  |  提交时间：2011/12/19 Borohydrides  Chemoselectivity  Density Functional Calculations  Esters  Reduction   Unexpected selectivity in sodium borohydride reductions of alpha-substituted esters: Experimental and theoretical studies 期刊论文 EUROPEAN JOURNAL OF ORGANIC CHEMISTRY, 2006, 卷号: No.8, 页码: 1981-1990 作者:  Li, LC;  Jiang, JX;  Ren, J;  Ren, Y;  Pittman, CU 收藏  |  浏览/下载：5/0  |  提交时间：2019/02/25 borohydrides  chemoselectivity  density functional calculations  esters  reduction   Recently developed organometallic complexes of Zn, Cu(Zn, Li), Fe, Ru and less-used ions. Use in selective 1,2- or 1,4-additions, transfer hydrogenations, aldol reactions and Diels-Alder reactions 期刊论文 CURRENT ORGANIC SYNTHESIS, 2005, 卷号: 2, 期号: 4, 页码: 547-587 作者:  Zhu, HJ;  Jiang, JX;  Ren, J;  Yan, YM;  Pittman, CU 收藏  |  浏览/下载：11/0  |  提交时间：2012/07/25 Enantioselectivity  Diastereoselectivity  Conjugate Addition  Aldol Reaction  Hydrogenation  Diels-alder   Chiral Ligands derived from Abrine 8. An experimental and theoretical study of free ligand conformational preferences and the addition of diethylzinc to benzaldehyde 期刊论文 JOURNAL OF ORGANIC CHEMISTRY, 2005, 卷号: 70, 期号: 1, 页码: 261-267 作者:  Zhu, HJ;  Jiang, JX;  Saebo, S;  Pittman, CU 收藏  |  浏览/下载：11/0  |  提交时间：2012/03/21 Catalytic Enantioselective Addition  Beta-amino Alcohols  Dialkylzinc Reagents  Asymmetric Autocatalysis  Organometallic Reagents  Aromatic-aldehydes  Aziridino Alcohols  Carbonyl-compounds  Ketones  Amplification   The selective dehydroxylation of 20-hydroxyecdysone by Zn powder and anhydrous acetic acid 期刊论文 SYNTHETIC COMMUNICATIONS, 2002, 卷号: 32, 期号: 9, 页码: 1385-1391 作者:  Zhu, WM;  Zhu, HJ;  Tian, WS;  Hao, XJ;  Pittman, CU 收藏  |  浏览/下载：12/0  |  提交时间：2012/07/25 Chiral ligands derived from abrine. Part 7: Effect of O, S, N in aromatic ring substituents at C-1 on enantioselectivity induced by tetrahydro-beta-carboline ligands in diethylzinc addition to aldehydes 期刊论文 TETRAHEDRON-ASYMMETRY, 2001, 卷号: 12, 期号: 18, 页码: 2613-2619 作者:  Zhu, HJ;  Zhao, BT;  Zuo, GY;  Pittman, CU;  Dai, WM 收藏  |  浏览/下载：15/0  |  提交时间：2012/03/21 Catalytic Asymmetric Induction  Amino-alcohols  Organozinc Reagents  Methyl-ester  Dialkylzincs  Benzaldehyde  Derivatives  Promoters  Ketones  Oxazolidines