Zobrazeno 1 - 10
of 23
pro vyhledávání: '"Fang-shi Li"'
Publikováno v:
Frontiers in Public Health, Vol 12 (2024)
IntroductionEmergency medical rescue plays a vital role in alleviating the harm of all kinds of emergencies to people's physical and mental health and life safety. The current emergency medical teams (EMTs) formation model is not unified. We focused
Externí odkaz:
https://doaj.org/article/795064857f244f9c847fa0208fdb445d
Publikováno v:
PLoS ONE, Vol 9, Iss 3, p e91361 (2014)
A series of novel 1,4-dihydro-2,6- dimethyl-3,5-pyridinedicarboxamides were synthesized and characterized by infrared absorption spectrum (IR), proton nuclear magnetic resonance (1H NMR), elemental analysis, ultraviolet spectrum (UV), and fluorescenc
Externí odkaz:
https://doaj.org/article/501427fe148a4f6eace033c9ed5c4736
Publikováno v:
Acta Crystallographica Section E, Vol 67, Iss 6, Pp o1310-o1310 (2011)
In the title compound, C12H13N3O2, the dihedral angle between the pyrazole and benzene rings is 50.0 (3)°. In the crystal, molecules are linked by intermolecular N—H...O hydrogen bonds to form a three-dimensional network. Two weak C—H...π inter
Externí odkaz:
https://doaj.org/article/e4fd913b11094607944470374ada18f0
Publikováno v:
Acta Crystallographica Section E, Vol 67, Iss 2, Pp o441-o441 (2011)
The title compound, C14H19NO3, was prepared via the intramolecular rearrangement of 3-(butanoylamino)phenyl butanoate in the presence of anhydrous aluminium chloride. The near coplanarity of the aromatic ring, the amide group and the carbonyl group o
Externí odkaz:
https://doaj.org/article/59b8562a8a0f4d228ece285161bfcb6a
Publikováno v:
Acta Crystallographica Section E, Vol 66, Iss 12, Pp o3237-o3237 (2010)
In the title compound, C18H12O5, the anthracene moiety is almost planar (r.m.s. deviation = 0.0399 Å). In the crystal, molecules are linked to each other by intermolecular O—H...O and weak C—H...O hydrogen bonds.
Externí odkaz:
https://doaj.org/article/846a913a4cc346a3966443bcd2d983a4
Publikováno v:
Acta Crystallographica Section E, Vol 64, Iss 9, Pp o1729-o1729 (2008)
The title compound, C20H18Cl2F2N2O5, is considered to belong to the fourth generation of insecticides with properties such as high selectivity, low acute toxicity for mammals and high biological activity. An intramolecular N—H...O hydrogen bond res
Externí odkaz:
https://doaj.org/article/6e69ff3cf97b46e9b2429abdca45d9f2
Publikováno v:
Acta Crystallographica Section E, Vol 64, Iss 9, Pp o1756-o1756 (2008)
In the molecule of the title compound, C17H8Cl2F8N2O3, the two aromatic rings are oriented at a dihedral angle of 50.12 (3)°. Intramolecular N—H...O, C—H...O and N—H...Cl hydrogen bonds result in the formation of two six- and one five-membered
Externí odkaz:
https://doaj.org/article/18f5d5cd38784784b808dcf86daf5cd2
Publikováno v:
Acta Crystallographica Section E, Vol 64, Iss 8, Pp o1378-o1378 (2008)
The asymmetric unit of the title compound, C12H8N2O6S, an important diphenyl sulfone derivative, contains one half-molecule; a mirror plane passes through the SO2 group. The dihedral angle between the two symmetry-related benzene rings is 40.10 (13)
Externí odkaz:
https://doaj.org/article/74e03f48d86e457eb95a49b99a8f34d9
Publikováno v:
Acta Crystallographica Section E, Vol 64, Iss 7, Pp o1218-o1218 (2008)
The title compound, C15H10ClF3N2O3, is considered to belong to a fourth generation of insecticides with properties such as high selectivity, low acute toxicity for mammals and high biological activity. The dihedral angle between the two benzene rings
Externí odkaz:
https://doaj.org/article/f57792a700bb4508bae41cf9d485d724
Publikováno v:
Acta Crystallographica Section E, Vol 64, Iss 7, Pp o1248-o1248 (2008)
The asymmetric unit of the title compound, C15H15ClN4O6S, contains two independent molecules, in which the pyrimidine and benzene rings are oriented at dihedral angles of 75.21 (3) and 86.00 (3)°. Intramolecular N—H...N and C—H...O hydrogen bond
Externí odkaz:
https://doaj.org/article/86b4a441f1ab422e9ca25083e14f3836