Synthesis of a novel sterically hindered chiral cyclic phosphoric acid derived from L-tartaric acid and application to the asymmetric catalytic Biginelli reaction

X Hu, R Zhang, J Xie, Z Zhou, Z Shan - Tetrahedron: Asymmetry, 2017 - Elsevier
A novel sterically hindered chiral cyclic phosphoric acid derived from l-tartaric acid was
designed and synthesized based on highly regioselective cyclosulfitation of chiral 1, 1, 4, 4 …

A Convenient Approach to C2‐Chiral 1,1,4,4‐Tetrasubstituted Butanetetraols: Direct Alkylation or Arylation of Enantiomerically Pure Diethyl Tartrates

Z Shan, X Hu, Y Zhou, X Peng, Z Li - Helvetica Chimica Acta, 2010 - Wiley Online Library
Abstract C2‐Chiral 1, 1, 4, 4‐tetraaryl‐or 1, 1, 4, 4‐tetraalkyl‐substituted butanetetraols have
been conveniently synthesized via arylation or alkylation of unprotected diethyl (2R, 3R) …

Convenient access to sterically hindered C2 chiral 2, 2, 5, 5-tetraphenyltetrahydrofuran-3, 4-diols: intramolecular selective 1, 4-cyclocondensation of (2R, 3R)-and (2S …

X Hu, Z Shan, X Peng, Z Li - Tetrahedron: Asymmetry, 2009 - Elsevier
Sterically hindered C2 chiral (3R, 4R)-and (3S, 4S)-2, 2, 5, 5-tetraphenyltetrahydrofuran-3, 4-
diols have been conveniently prepared in a very high yield via heterogeneous …

First Experimental Evidence of an Intramolecular H Bond between Aliphatic Cl and Aromatic C–H

X Hu, Z Shan, VA Soloshonok - Crystal growth & design, 2012 - ACS Publications
The first example of an intramolecular H bond between aliphatic Cl and aromatic C–H was
observed in the crystal of C 2-symmetric (4 R, 5 R)-4, 5-bis (diphenylchloromethyl)-1, 3, 2 …

A Straightforward and Practical Approach to Chiral Inducer:(2R, 3R)-1, 4-Dimethoxy-1, 1, 4, 4-tetraphenylbutane-2, 3-diol

JS Xie, XY Hu, ZX Shan, ZQ Zhou - Australian Journal of …, 2014 - CSIRO Publishing
A straightforward and practical access to chiral inducer (2R, 3R)-1, 4-dimethoxyl-1, 1, 4, 4-
tetraphenyl-2, 3-diol has been developed. It is based on highly regioselective 2, 3 …

The intramolecular S= O··· HO hydrogen bond in a chiral cyclic sulfite ester: How it affects the reaction behavior and spectral properties

X Hu, D Chen, J Lan, Z Shan - … , Sulfur, and Silicon and the Related …, 2016 - Taylor & Francis
Full article: The intramolecular S = O···HO hydrogen bond in a chiral cyclic sulfite ester: How it
affects the reaction behavior and spectral properties Skip to Main Content Taylor and Francis …

Optical activity and helicity enhancement of diphenylmethyl molecular propellers

J Ściebura, J Gawroński - Tetrahedron: Asymmetry, 2013 - Elsevier
The diphenylmethyl group is a molecular propeller that can detect the chirality of a nearby
stereogenic center through electronic circular dichroism spectra, within the short wavelength …

A novel, high-yielding approach to a chiral inducer:(2R, 3R)-1, 4-dimethoxy-1, 1, 4, 4-tetraphenylbutane-2, 3-diol

X Hu, Z Shan, S Song - Tetrahedron: Asymmetry, 2014 - Elsevier
A new method for preparing (2R, 3R)-1, 4-dimethoxy-1, 1, 4, 4-tetraphenylbutane-2, 3-diol in
high yield based on selective 2, 3-spiroboration of (2R, 3R)-1, 1, 4, 4 …

Synthesis of boronate ester derivatives and uses thereof

SH Boyer, SJ Hecker, GKM Verzijl… - US Patent …, 2024 - Google Patents
BOPGDPNILDQYTO-NNYOXOHSSA-N nicotinamide-adenine dinucleotide Chemical
compound C1= CCC (C (= O) N)= CN1 [C@ H] 1 [C@ H](O)[C@ H](O)[C@@ H](COP (O) …

[PDF][PDF] Asymmetric Biginelli-like reaction catalyzed by chiral TADDOL-derived phosphoric acid bearing two hydroxyl groups

J Guo, R Zhang, Z Yin, X Hu, V Borovkov - 2019 - sciforum.net
Several new chiral TADDOL-derived phosphoric acids bearing two hydroxyl groups have
been successfully synthesized via highly regioselective 2, 3-cyclosulfitation as asymmetric …