Synthesis of novel chiral tridentate aminophenol ligands for enantioselective addition of diethylzinc to aldehydes

Novel chiral tridentate aminophenol ligand ( S)- 3a was obtained by a Mannich-type reaction of cresol, paraformaldehyde, and ( S)-1-(2-methoxyphenyl)-2-met...

XF Yang，T Hirose，GY Zhang - 《Tetrahedron Asymmetry》

Novel N,N,P-tridentate ligands for the highly enantioselective copper-catalyzed 1,4-addition of dialkylzincs to enones.

ChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a Chem...

K Kawamura，H Fukuzawa，M Hayashi - 《Cheminform》

Synthesis and application of 3-substituted (S)-BINOL as chiral ligands for the asymmetric ethylation of aldehydes

A series of (S)-BINOL ligands substituted at the 3 position with some five-membered nitrogen-containing aromatic heterocycles were effectively prepared and...

ZG Zhang，ZB Dong，JS Li - 《Chirality》

Highly Enantioselective Addition of Diethylzinc to Aldehydes Catalyzed by Novel Chiral tert-Amino Alcohols

A series of novel chiral tert-amino alcohols 4a-h derived from enantiomerically pure phenylalanine were synthesized efficiently and used as chiral ligands ...

CH Zhang，SJ Yan，SQ Pan，... - 《Bulletin of the Korean Chemical Society》

Syntheses, structures and properties of chiral dinuclear zinc complexes with Schiff-base ligands

Two couples of enantiomerically chiral dinuclear zinc complexes, [Zn2(R-L1)3](ClO4)路H2O (1) and [Zn2(S-L1)3](ClO4)路H2O (2), [Zn2(R-L2)3](ClO4) (3) and [Z...

HR Wen，W Ying，JL Chen，... - 《Inorganic Chemistry Communications》

聚[(S)-3-(4-乙烯基苄氧基)-2,2'-二羟基-1,1'-联萘]在二乙基锌和芳基醛的不对称加成反应中的诱导

-3-(4-vinylbenzyloxy)-2,2'-dihydroxy-1,1'-binaphthyl] (poly-) was synthesized via radical polymerization and its asymmetric inducement in the addition of d...

刘大财，朱维君，张安林，... - 《有机化学》

几种希夫碱及其配合物的合成与结构表征

β-二酮亚胺配合物和希夫碱配合物均因其结构的特殊性,在配位化学中占有重要的地位,加之上述配合物新颖性能的不断发现,近年来,这两种配合物的研究发展非常迅速.β-二酮...

陈惠萍 - 《陕西师范大学》

Preparation, characterization, and biological activity of some new Schiff bases derived from aminophenoxy alkyloxy benzenamines and salicylaldehyde in the ...

New Schiff bases have been synthesized from aminophenoxy alkyloxy benzenamines and salicylaldehyde in the presence of a catalytic amount of p -toluenesulfo...

A Mobinikhaledi，M Jabbarpour - 《Research on Chemical Intermediates》

Synthesis of Novel Chiral Schiff Base

A salicyl aldehyde derivative(4) was prepared from(S)-BINOL by a four-step reaction.A novel chiral Schiff base(6) was synthesized by the reaction of 4 with...

Yang Xiao-cheng - 《Chinese Journal of Synthetic Chemistry》

Synthesis and Crystal Structures of Two Dinuclear Nickel(II) Complexes Derived from 2-Ethoxy-6-[(2-phenylaminoethylimino)methyl]phenol

Two nickel(II) complexes, [Ni2L-NCS)] (1) and 2[Ni2L-N3)]H2O (2), derived from the Schiff base 2-ethoxy-6-[(2-phenylaminoethylimino)methyl]phenol (HL) have...

H Zhe - Synthesis and Reactivity in Inorganic and Metal-Organic Chemistry