5,5'-DIMETHYL-2,2'-DIPYRIDYL
5,5'-DIMETHYL-2,2'-DIPYRIDYL
CAS: 1762-34-1
Molecular Formula: C12H12N2
5,5'-DIMETHYL-2,2'-DIPYRIDYL - Names and Identifiers
| Name | 5,5'-DIMETHYL-2,2'-DIPYRIDYL |
| Synonyms | Dimethylbipyridyl 2,2'-Bi(5-methylpyridine) 5,5'-dimethyl-2'-bipyridine 5,5-Dimethyl-2,2-dipyridine 5,5'-DIMETHYL-2,2'-DIPYRIDYL 5-methyl-2-(5-methylpyridin-2-yl)pyridine 5-methyl-2-(5-methyl-2-pyridyl)pyridine 5,5′-Dimethyl-2,2′-dipyridyl,5,5′-Dimethyl-2,2′-bipyridine |
| CAS | 1762-34-1 |
5,5'-DIMETHYL-2,2'-DIPYRIDYL - Physico-chemical Properties
| Molecular Formula | C12H12N2 |
| Molar Mass | 184.24 |
| Density | 1.060±0.06 g/cm3(Predicted) |
| Melting Point | 114-117 °C(lit.) |
| Boling Point | 140℃/3mm |
| Storage Condition | Room Temprature |
| MDL | MFCD01740554 |
| Use | Application 5 '-dimethyl -2, 2-bipyridine can be used as organic synthesis intermediates and pharmaceutical intermediates, can be used in laboratory research and development process and chemical production process. |
5,5'-DIMETHYL-2,2'-DIPYRIDYL - Risk and Safety
| Risk Codes | R36/37/38 - Irritating to eyes, respiratory system and skin. R22 - Harmful if swallowed |
| Safety Description | S26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice. S36 - Wear suitable protective clothing. |
5,5'-DIMETHYL-2,2'-DIPYRIDYL - Crystal structure and fluorescence properties of binuclear samarium complexes constructed with 1-naphthalene acetic acid, 5,5 '-dimethyl. 2,2'-bipyridine
from VIP Journal Professional Edition
Author:
Huang Degan , Zhang Hong , good , Snow-Moon Jiang , Xu Huajie
Abstract:
under hydrothermal conditions using Sm(NO3)3. A binuclear samarium metal complex Sm2(1-npac)6(dmpy)2 was synthesized using 6H2O, 1-naphthaleneacetic acid and 5,5 '-dimethyl-2, 2'-bipyridine as reactants.(H2O)3(1)(1-npac = 1-naphthylacetic acid, dmpy = 5,5 & prime;-dimethyl -2,2 & prime;-bipyridine), the structure was characterized by elemental analysis, infrared spectroscopy, differential thermal analysis, X-ray powder diffraction, ultraviolet-visible spectroscopy and X-ray single crystal diffraction. The results of crystal structure analysis show that compound 1 is a binuclear samarium chelate, which is characterized by intermolecular hydrogen bonding and C- H... & pi; And & pi;... & pi; The accumulation of the role of binuclear molecules are further linked into a three-dimensional supramolecular structure. Fluorescence analysis showed that complex 1 emitted orange fluorescence at room temperature and solid state, and the fluorescence lifetime was 0.87 μs(598 nm).
Key words:
DOI:
10.3969/j.issn.1001-4861.2013.00.158
cited:
year:
2013
Last Update：2024-01-02 23:10:35
5,5'-DIMETHYL-2,2'-DIPYRIDYL - 2D NMR study on the interaction of symmetric tetramethylhexamembered melon ring with 5,5 '-dimethyl-2, 2'-bipyridine
from hownet
reading: 57 Author: Tao Longling , Xue saifeng zhuqianjiang , Tao Zhu , Yu Yihua Abstract: The symmetric tetramethyl-substituted six-membered melon ring (TMeQ[6]) as host and 5,5 '-dimethyl -2 as guest were studied by two-dimensional NMR experiments, interaction of 2'-bipyridine (bmbpy). The NOE correlation peak between host and guest molecules on the 2D ROESY spectrum clearly gives the binding position of the host and guest and the spatial structure of the conjugate: a pyridine ring of the guest enters the lumen of the subject, the other pyridine ring is located outside the one end port of the main body, the plane of the pyridine ring entering the lumen is located on the long cross section of the main body, and the two pyridine rings are in cis conformation. 2D EXSY spectra show that the exchange peaks between the corresponding hydrogen on the two pyridines of the guest show that the two pyridine rings enter the lumen of the main body alternately at high temperature, and are respectively combined with the two ports of the main body, A dynamic balance is formed. The exchange rate at different temperatures was calculated from the intensity of the exchange peak and the diagonal peak of 2D EXSY, and the activation energy of the exchange process was 104.2 kJ/mol. stowed Key words: DOI: 10.3321/j.issn:0567-7351.2006.14.010 cited: year: 2006
Last Update：2023-08-16 22:05:47
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