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Featured researches published by Xiang‐Chao Zeng.


Acta Crystallographica Section E: Crystallographic Communications | 2005

3‐(4‐Bromo‐1H‐pyrrole‐2‐carbox­amido)­propanoic acid

Shi-Hai Xu; Jian Gu; Po‐Run Liu; Xiang‐Chao Zeng

# 2005 International Union of Crystallography Printed in Great Britain – all rights reserved The title compound, C8H9BrN2O3, was synthesized by condensation of -alanine methyl ester with 4-bromo-2(trichloroacetyl)pyrrole, followed by saponification and acidification. In the molecule, all bond lengths and angles are normal. The crystal packing is stabilized by intermolecular N—H O and O—H O hydrogen bonds.


Acta Crystallographica Section E: Crystallographic Communications | 2006

3‐(1‐Methyl‐1H‐pyrrole‐2‐carboxamido)propanoic acid

Po‐Run Liu; Xiang‐Chao Zeng; Shi-Hai Xu


Acta Crystallographica Section E: Crystallographic Communications | 2005

24-Methyl­enecholest-4-ene-3β,6β-diol

Hui Lin; Shi-Hai Xu; Xiang‐Chao Zeng; Xiao‐Jian Liao


Acta Crystallographica Section E: Crystallographic Communications | 2005

3-[(4-Bromo-1-methyl-1H-pyrrol-2-yl­carbonyl)­amino]­propanoic acid

Xiang‐Chao Zeng; Jian Gu; Shi-Hai Xu; Yu‐Xia Li; Po‐Run Liu


Acta Crystallographica Section E: Crystallographic Communications | 2005

1‐Meth­yl‐6,7‐dihydro­pyrrolo[2,3‐c]azepine‐4,8(1H,5H)‐dione

Xiang‐Chao Zeng; Shi-Hai Xu; Jian Gu; Dong-Sheng Deng


Acta Crystallographica Section E: Crystallographic Communications | 2006

3-[(3,4,5-Tribromo-1H-pyrrol-2-ylcarbon­yl)amino]propanoic acid

Xiang‐Chao Zeng; Li‐Hong Li; Yao‐Lan Li; Po‐Run Liu


Acta Crystallographica Section E: Crystallographic Communications | 2006

Ethyl (3,4,5‐tribromo‐1H‐pyrrole‐2‐carboxamido)acetate

Xiang‐Chao Zeng; Jian-Xin Meng


Acta Crystallographica Section E: Crystallographic Communications | 2005

N-Meth­yl-3-(4-bromo-1H-pyrrole-2-carbon­yl)amino­propionitrile

Xiang‐Chao Zeng; Yu‐Xia Li; Shi-Hai Xu; Po‐Run Liu


Acta Crystallographica Section E: Crystallographic Communications | 2005

(S)‐Methyl 4‐methyl‐2‐(1H‐pyrrole‐2‐carboxamido)penta­noate

Xiang‐Chao Zeng; Po‐Run Liu


Acta Crystallographica Section E: Crystallographic Communications | 2005

3‐[(4,5‐Dibromo‐1‐meth­yl‐1H‐pyrrole‐2‐carbon­yl)amino]propanoic acid

Yu‐Xia Li; Po‐Run Liu; Xiang‐Chao Zeng; Shi-Hai Xu; Fen‐Ni Liu

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