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科研机构
北京大学 [15]
内容类型
期刊论文 [14]
其他 [1]
发表日期
2005 [2]
2004 [2]
2003 [2]
2000 [3]
1996 [2]
1994 [3]
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共15条,第1-10条
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专题:北京大学
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Rationale on the abnormal effect of temperature on the enantioselectivity in the asymmetric borane reduction of ketones catalyzed by L-prolinol
期刊论文
瑞士化学会志, 2005
Xu, JX
;
Wei, TZ
;
Lin, SS
;
Zhang, QH
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2015/11/10
PROCHIRAL KETONES
CHIRAL OXAZABOROLIDINES
AMINO-ALCOHOLS
SELECTIVITY
Chiral oxazaborolidine-catalyzed asymmetric borane reduction of alkyl 4-dialkylaminophenyl ketones
期刊论文
中国化学英文版, 2005
Xu, JX
;
Lan, Y
;
Wei, TZ
;
Zhang, QH
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2015/11/10
asymmetric catalysis
borane
enantioselective synthesis
ketone
oxazaborolidine
substituent effect
LINEAR SECONDARY ALCOHOLS
PROCHIRAL KETONES
RESOLUTION
Preparation of highly optically pure homochiral sulfide-containing alcohols via oxazaborolidine-catalyzed asymmetric borane reduction of ketones
期刊论文
chirality, 2004
Xu, JX
;
Wei, TZ
;
Xia, JK
;
Zhang, Q
;
Wu, HS
收藏
  |  
浏览/下载:4/0
  |  
提交时间:2015/11/10
asymmetric reduction
borane
enantioselectivity
homochirality
ketone
oxazaborolidine
secondary alcohol
LINEAR SECONDARY ALCOHOLS
PROCHIRAL KETONES
BAKERS-YEAST
RESOLUTION
PURITY
Influences of electronic effects and anions on the enantioselectivity in the oxazaborolidine-catalyzed asymmetric borane reduction of ketones
期刊论文
journal of organic chemistry, 2004
Xu, JX
;
Wei, TZ
;
Zhang, QH
收藏
  |  
浏览/下载:6/0
  |  
提交时间:2015/11/10
HIGH ENANTIOMERIC EXCESS
PROCHIRAL KETONES
CHIRAL OXAZABOROLIDINES
CARBONYL-COMPOUNDS
AMINO-ALCOHOLS
EFFICIENT SYNTHESIS
SECONDARY ALCOHOLS
AROMATIC-ALDEHYDES
PRACTICAL METHOD
LIGANDS
Syntheses and X-ray structures of new phenoxy imino compounds
期刊论文
化学结晶学杂志, 2003
Wang, LY
;
Sun, WH
;
Zhang, TZ
;
He, C
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2015/11/12
phenoxy imino compounds
solid-states structures
X-ay crystal structures
ETHYLENE POLYMERIZATION
CHELATE LIGANDS
ZIRCONIUM COMPLEXES
CATALYSTS
COBALT
Effect of temperature on the enantioselectivity in the oxazaborolidine-catalyzed asymmetric reduction of ketones. Noncatalytic borane reduction, a nonneglectable factor in the reduction system
期刊论文
journal of organic chemistry, 2003
Xu, JX
;
Wei, TZ
;
Zhang, QH
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2015/11/10
LINEAR SECONDARY ALCOHOLS
PROCHIRAL KETONES
CHIRAL OXAZABOROLIDINES
CARBONYL-COMPOUNDS
AMINO-ALCOHOLS
MECHANISM
ACID
ACETOPHENONE
SELECTIVITY
ADDUCTS
Synthesis and structure of a novel tetranuclear erbium(III) complex with L-proline (HPro) [Er-4(HPro)(4)(Pro)(2)center dot(mu(3)-OH)(4)(H2O)(7)](ClO4)(6)center dot 6H(2)O
期刊论文
高等学校化学学报, 2000
Zhang, DS
;
Bu, WM
;
Yang, WC
;
Li, JR
;
Jain, TZ
;
Ye, L
;
Fan, YG
收藏
  |  
浏览/下载:1/0
  |  
提交时间:2015/11/16
erbium complex
L-proline
crystal structure
tetranuclear complex
CRYSTAL-STRUCTURE
The formation of Gd4O4 cubane cluster controlled by L-valine
期刊论文
new journal of chemistry, 2000
Ma, BQ
;
Zhang, DS
;
Gao, S
;
Jin, TZ
;
Yan, CH
收藏
  |  
浏览/下载:3/0
  |  
提交时间:2015/11/10
HETEROMETALLIC ALKOXIDES
CHEMISTRY
COMPLEXES
AGENTS
RINGS
Structures and magnetism of two novel heptanuclear lanthanide-centered trigonal prismatic clusters: [LnCu(6)(mu(3)-OH)(3)(HL)(2)(L)(4)](ClO4)(2)center dot 25H(2)O (Ln = La, Tb; H2L = iminodiacetic acid)
期刊论文
inorganic chemistry, 2000
Liu, QD
;
Gao, S
;
Li, JR
;
Zhon, QZ
;
Yu, KB
;
Ma, BQ
;
Zhang, SW
;
Zhang, XX
;
Jin, TZ
收藏
  |  
浏览/下载:0/0
  |  
提交时间:2015/11/11
CRYSTAL-STRUCTURE
GROUND-STATE
MOLECULAR-STRUCTURE
YTTRIUM COMPLEX
COPPER COMPLEX
GD
EXCHANGE
METAL
IONS
DY
Coordination chemistry of scandium .1. Synthesis and crystal structure of scandium six-coordinate glycine complex [Sc-2(Gly)(6)(ClO4)(6)](n)
期刊论文
polyhedron, 1996
Yan, CH
;
Zhang, YW
;
Li, BG
;
Jin, TZ
;
Xu, GG
收藏
  |  
浏览/下载:2/0
  |  
提交时间:2015/11/16
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