The First Chiral Organometallic Triangle for Asymmetric Catalysis | Zendy

Suk Joong Lee | Zendy; Aiguo Hu | Zendy; Wenbin Lin | Zendy

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The First Chiral Organometallic Triangle for Asymmetric Catalysis

Author(s) -

Suk Joong Lee,

Aiguo Hu,

Wenbin Lin

Publication year - 2002

Publication title -

journal of the american chemical society

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 7.115

H-Index - 612

eISSN - 1520-5126

pISSN - 0002-7863

DOI - 10.1021/ja028099s

Subject(s) - chemistry , enantiopure drug , enantioselective synthesis , organometallic chemistry , diethylzinc , supramolecular chemistry , circular dichroism , catalysis , microanalysis , chirality (physics) , group 2 organometallic chemistry , mass spectrometry , stereochemistry , combinatorial chemistry , crystallography , organic chemistry , molecule , nambu–jona lasinio model , chiral symmetry breaking , physics , chromatography , quantum mechanics , quark

A family of chiral organometallic triangles based on cis-Pt(PEt3)2 metallocorners and enantiopure atropisomeric bis(alkynyl) bridging ligands (L1-4) has been synthesized and characterized by 1H, 13C{1H}, and 31P{1H} NMR, UV-vis, and circular dichroism (CD) spectroscopies, FAB and MALDI-TOF mass spectrometry, and microanalysis. Metallocycle 4 which contains three 1,1'-bi-2-naphthol functionalities in combination with Ti(iOPr)4 has been shown to be an excellent catalyst for highly enantioselective additions of diethylzinc to aromatic aldehydes to afford chiral secondary alcohols. This research illustrates the potential of generating novel functional materials on the basis of supramolecular chemistry.

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