Qian, Yu et al. published their research in ChemCatChem in 2011 | CAS: 1043567-32-3

(11bS)-4-Hydroxy-2,6-di(phenanthren-9-yl)dinaphtho[2,1-d:1′,2′-f][1,3,2]dioxaphosphepine 4-oxide (cas: 1043567-32-3) belongs to chiral phosphine ligands. During the past two decades, tertiary phosphine catalysts have been applied extensively in a wide range of carbon–carbon and carbon–heteroatom bond-forming transformations. Chiral phosphine catalysts: Nucleophilic phosphine catalysis often involves the formation of Lewis adducts, namely phosphonium (di)enolate zwitterions, as reaction intermediates.Computed Properties of C48H29O4P

Dual Catalysis in Highly Enantioselective Multicomponent Reaction with Water: An Efficient Approach to Chiral β-Amino-α-Hydroxy Acid Derivatives was written by Qian, Yu;Jing, Changcheng;Shi, Taoda;Ji, Jingjing;Tang, Min;Zhou, Jing;Zhai, Changwei;Hu, Wenhao. And the article was included in ChemCatChem in 2011.Computed Properties of C48H29O4P This article mentions the following:

A method for the stereoselective preparation of chiral amino hydroxy benzenepropanoate derivatives was designed and the synthesis of the target compounds was achieved in good diastereoselectivity and high enantioselectivity by an enantioselective three-component reaction of diazo compounds with imines and water in the presence of dirhodium tetraacetate [Rh2(Ac)4] and a chiral Bronsted acid [4-(hydroxy)dinaphtho[2,1-d:1′,2′-f][1,3,2]dioxaphosphepin 4-oxide derivatives]. This reaction represents one of a few catalytic asym. procedures using water as a reactant and provides and efficient method for the synthesis of chiral β-amino α-hydroxy acid derivatives from readily available starting materials under mild reaction conditions. The title compounds thus prepared included threo-α-hydroxy-β-[(4-methoxyphenyl)amino]-α-(phenyl)benzenepropanoic acid esters. In the experiment, the researchers used many compounds, for example, (11bS)-4-Hydroxy-2,6-di(phenanthren-9-yl)dinaphtho[2,1-d:1′,2′-f][1,3,2]dioxaphosphepine 4-oxide (cas: 1043567-32-3Computed Properties of C48H29O4P).

(11bS)-4-Hydroxy-2,6-di(phenanthren-9-yl)dinaphtho[2,1-d:1′,2′-f][1,3,2]dioxaphosphepine 4-oxide (cas: 1043567-32-3) belongs to chiral phosphine ligands. During the past two decades, tertiary phosphine catalysts have been applied extensively in a wide range of carbon–carbon and carbon–heteroatom bond-forming transformations. Chiral phosphine catalysts: Nucleophilic phosphine catalysis often involves the formation of Lewis adducts, namely phosphonium (di)enolate zwitterions, as reaction intermediates.Computed Properties of C48H29O4P

Referemce:
Phosphine ligand,
Chiral phosphines in nucleophilic organocatalysis