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Your search keyword '"Gui-Hua Li"' showing total 4 results
Start Over Author "Gui-Hua Li" Topic pyrimidines
4 results on '"Gui-Hua Li"'

1. 3-(4-Methoxy­phenoxy)-2-phenyl-3 H-1-benzofuro[3,2- d]pyrimidin-1-one.

Author

Yang-Gen Hu, Gui-Hua Li, Jia-Hua Tian, Ming-Wu Ding, and Hong-Wu He

Subjects
*PYRIMIDINES, *MOLECULAR structure, *HYDROGEN bonding, *ORGANIC compounds, *ORGANIC chemistry
Abstract

In the title compound, C23H16N2O4, the mol­ecules form a supramolecular structure via inter­molecular C—H⋯O hydrogen bonds and inter­molecular π–π inter­actions. [ABSTRACT FROM AUTHOR]

Published
2005
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2. 3-(4-Methyl­phen­yl)-2-(1-pyrid­yl)-3 H-benzo[4,5]furo[3,2- d]pyrimidin-4-one.

Author

Yang-Gen Hu, Ai-Hua Zheng, and Gui-Hua Li

Subjects
*PYRIMIDINES, *CRYSTALS, *CHEMICAL structure, *HYDROGEN bonding, *MOLECULAR structure, *CHEMICAL bonds
Abstract

In the crystal structure of the title compound, C22H21N3O2, the packing of the mol­ecules is mainly governed by inter­molecular C—H⋯O hydrogen bonds and π–π inter­actions. [ABSTRACT FROM AUTHOR]

Published
2006
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3. 6-Isopropyl-5-(3-nitro­phenoxy)-3-phenyl-3 H-1,2,3-triazolo[4,5- d]pyrimidin-7(6 H)-one.

Author

Hong-Mei Wang, Xiao-Hua Zeng, Zong-Qiu Hu, Gui-Hua Li, and Jia-Hua Tian

Subjects
*CHEMICAL bonds, *INTERMOLECULAR forces, *ORGANIC chemistry, *HYDROGEN bonding, *PYRIMIDINES, *ATOMS, *MOLECULES
Abstract

In the title compound, C19H16N6O4, all ring atoms in the triazolopyrimidinone unit are almost coplanar. The packing of the mol­ecules in the crystal structure is mainly due to inter­molecular C—H⋯O hydrogen-bonding inter­actions. [ABSTRACT FROM AUTHOR]

Published
2006
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4. Ethyl 1-benzyl-5-[2-(2,4-dichlorophen­yl)-3-isopropyl­isoureido]-1 H-1,2,3-triazole-4-carboxylate.

Author

Hong-Mei Wang, Xiao-Hua Zeng, Zong-Qiu Hu, Gui-Hua Li, and Jia-Hua Tian

Subjects
*ORGANIC compounds, *TRIAZOLES, *PYRIMIDINES, *HETEROCYCLIC compounds, *ANTIBIOTICS, *ISOCYANATES, *ISOCYANIC acid
Abstract

In the title compound, C22H23Cl2N5O3, the triazole ring is essentially planar. The crystal packing is determined by van der Waals forces and hydrogen bonds, no π–π stacking inter­actions being observed. [ABSTRACT FROM AUTHOR]

Published
2006
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