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Nitrile and amide biotransformations for the synthesis of enantiomerically pure 3-arylaziridine-2-carboxamide derivatives and their stereospecific ring-opening reactions

Jin-Yuan Wang, De-Xian Wang, Jie Pan, Zhi-Tang Huang, Mei-Xiang Wang* J. Org. Chem. 2007, 72, 9391-9394.

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Asymmetric Lewis acid catalyzed addition of isocyanides to aldehydes – synthesis of 5-amino-2-(1-hydroxyalkyl)oxazoles

Shixin Wang, Mei-Xiang Wang,* De-Xian Wang, Jieping Zhu* Eur. J. Org. Chem. 2007, 4076-4080.

 

 

Chiral salen-aluminum complex as a catalyst for enantioselective α-addition of isocyanides to aldehydes: Asymmetric synthesis of 2-(1-hydroxyalkyl)-5-aminooxazoles

Shi-Xin Wang, Mei-Xiang Wang,* De-Xian Wang, Jieping Zhu* Org. Lett. 2007, 9, 3615-3618.

 

 

Adlayer structures of aza- and/or oxo-bridged calix[2]arene[2]triazines on Au(111) investigated by scanning tunneling microscopy (STM)

Cun-Ji Yan, Hui-Juan Yan, Li-Ping Xu, Wei-Guo Song, Li-Jun Wan,* Qi-Qiang Wang, Mei-Xiang Wang* Langmuir 2007, 23, 8021-8027.

 

 

Synthesis and structure of nitrogen bridged calix[5]- and -[10]-pyridines and their complexation with fullerenes

Shi-Qiang Liu, De-Xian Wang, Qi-Yu Zheng, Mei-Xiang Wang* Chem. Commun. 2007, 3856-3858. 

 

 

Highly selective recognition of diols by a self-regulating fine-tunable methylazacalix[4]pyridine cavity: Guest-dependent formation of molecular-sandwich and molecular-capsule complexes in solution and the solid state

Han-Yuan Gong, De-Xian Wang, Jun-Feng Xiang, Qi-Yu Zheng, Mei-Xiang Wang* Chem. Eur. J. 2007, 13, 7791-7802.

 

 

En route to inherently chiral tetraoxacalix[2]arene[2]triazines

Bao-Yong Hou, Qi-Yu Zheng, De-Xian Wang, Mei-Xiang Wang* Tetrahedron 2007, 63, 10801-10808.

 

 

Synthesis and structure of upper-rim 1,3-alternate tetraoxacalix[2]arene[2]triazine azacrowns and change of cavity in response to fluoride anion

Bao-Yong Hou, De-Xian Wang, Hai-Bo Yang, Qi-Yu Zheng, Mei-Xiang Wang* J. Org. Chem. 2007, 72, 5218-5226.

 

 

Remarkable electronic and steric effects in the nitrile biotransformations for the preparation of enantiopure functionalized carboxylic acids and amides: Implication for an unsaturated carbon-carbon bond binding domain of the amidase

Ming Gao, De-Xian Wang, Qi-Yu Zheng, Zhi-Tang Huang, Mei-Xiang Wang* J. Org. Chem. 2007, 72, 6060-6066.

 

 

Formation and conformational conversion of flattened partial cone oxygen bridged calix[2]arene[2]triazines

Qi-Qiang Wang, De-Xian Wang, Qi-Yu Zheng, Mei-Xiang Wang* Org. Lett. 2007, 9, 2847-2850.

 

 

Efficient functionalizations of heteroatom-bridged calix[2]arene[2]triazines on the larger rim

Hai-Bo Yang, De-Xian Wang,* Qi-Qiang Wang, Mei-Xiang Wang* J. Org. Chem. 2007, 72, 3757-3763.

 

 

 

Separation and recognition of the enantiomers of trans arycyclopropanecarboxylic acids and their amide and nitrile derivatives on polysaccharide stationary phases

De-Xian Wang,* Xiao-Xia Zhang, Jin-Lei Zhang, Mei-Xiang Wang* Chromatographia 2007, 65, 343-348.

 

 

Highly efficient and stereoselective N-vinylation of oxiranecarboxamides and unprecedented 8-endo-epoxy-arene cyclization: Expedient and biomimetic synthesis of some clausena alkaloids

Luo Yang, Gang Deng, De-Xian Wang, Zhi-Tang Huang, Jie-Ping Zhu, Mei-Xiang Wang* Org. Lett. 2007, 9, 1387-1390.

 

 

Nitrile biotransformations for the efficient synthesis of highly enantiopure 1-arylaziridine-2-carboxylic acid derivatives and their stereoselective ring-opening reactions

Jin-Yuan Wang, De-Xian Wang, Qi-Yu Zheng, Zhi-Tang Huang, Mei-Xiang Wang* J. Org. Chem. 2007, 72, 2040-2045.

 

 

Synthesis of tetraazacalix[2]arene[2]triazines: Tuning the cavity by the substituents on the bridging nitrogen atoms

Qi-Qiang Wang, De-Xian Wang, Hong-Wei Ma, Mei-Xiang WangOrg. Lett. 2006, 8, 5967-5970.

 

 

Methyazacalixpyridines: Remarkable bridging nitrogen-tuned conformations and cavities with unique recognition properties

Han-Yuan Gong, Xiao-Hang Zhang, De-Xian Wang, Hong-Wei Ma, Qi-Yu Zheng, Mei-Xiang WangChem. Eur. J. 2006, 12, 9262-9275.

 

 

Methylazacalix[4]pyridine: En route to Zn2+-specific fluorescence sensors

Han-Yuna Gong, Qi-Yu Zheng, Xiao-Hang Zhang, De-Xian Wang, Mei-Xiang Wang* Org. Lett. 2006, 8, 4895-4898.

 

 

An unusual β-vinyl effect leading to high efficiency and enantioselectivity of the amidase, nitrile biotransformations for the preparation of enantiopure 3-arylpent-4-enoic acids and amides and their applications in synthesis

Ming Gao, De-Xian Wang, Qi-Yu Zheng, Mei-Xiang Wang* J. Org. Chem. 2006, 71, 9532-9535.

 

 

Dramatic enhancement of enantioselectivity of biotransformations of β-hydroxy nitriles using a simple O-benzyl protection/docking group

Da-You Ma, Qi-Yu Zheng, De-Xian Wang, Mei-Xiang Wang* Org. Lett. 2006, 8, 3231-3234.

 

 

Nitrile biotransformations for the practical synthesis of highly enantiopure azido carboxylic acids and amides, 'click' to functionalized chiral triazoles and chiral β-amino acids

Da-You Ma, De-Xian Wang, Qi-Yu Zheng, Mei-Xiang Wang* Tetrahedron: Asymmetry 2006, 17, 2366-2376.

 

 

 

Chemoenzymatic synthesis of enantiopure geminally dimethylated cyclopropane-based C2- and pseudo-C2-symmetric diamines

Guo-Qiang Feng, De-Xian Wang, Qi-Yu Zheng, Mei-Xiang Wang* Tetrahedron: Asymmetry 2006, 17, 2775-2780.

 

 

Biocatalytic synthesis of highly enantiopure 1,4-benzodioxane-2-carboxylic acid and amide

Jun Liu, De-Xian Wang, Qi-Yu Zheng, Mei-Xiang Wang* Chin. J. Chem. 2006, 24, 1665-1668.

 

 

Nitrile biotransformations for highly enantioselective synthesis of oxiranecarboxamides with tertiary and quaternary stereocenters; efficient chemoenzymatic approaches to enantiopure α-methylated serine and isoserine derivatives

Mei-Xiang Wang,* Gang Deng, De-Xian Wang, Qi-Yu Zheng J. Org. Chem. 2005, 70, 2439-2444.

 

 

Synthesis of optically active α-methylamino acids and amides through biocatalytic kinetic resolution of amides

Mei-Xiang Wang,* Jun Liu, De-Xian Wang, Qi-Yu Zheng Tetrahedron: Asymmetry 2005, 16, 2409-2416.