Zobrazeno 1 - 10
of 245
pro vyhledávání: '"Jingbo Lan"'
Publikováno v:
Beilstein Journal of Organic Chemistry, Vol 16, Iss 1, Pp 530-536 (2020)
The regioselective C–H arylation of substituted polycyclic aromatic hydrocarbons (PAHs) is a desired but challenging task. A copper-catalyzed C7–H arylation of 1-naphthamides has been developed by using aryliodonium salts as arylating reagents. T
Externí odkaz:
https://doaj.org/article/a137217781e64bd0a8d939c7fcea202a
Publikováno v:
Acta Crystallographica Section E, Vol 65, Iss 1, Pp o26-o26 (2009)
In the title compound, C12H10N4·C8H6O4, 1,4-bis(imidazol-1-yl)benzene and terephthalic acid molecules are joined via strong O—H...N hydrogen bonds to form infinite zigzag chains. Both molecules are located on crystallographic inversion centers. Th
Externí odkaz:
https://doaj.org/article/9c5d286853714cf9ab4d9fc6817c6d59
Publikováno v:
Acta Crystallographica Section E, Vol 64, Iss 8, Pp o1602-o1602 (2008)
The title compound, C17H16N3O+·PF6−, is a chiral bicyclic 1,2,4-triazolium salt. In the crystal packing, C—H...O and C—H...F hydrogen bonds and P—F...π contacts [4.078 (11)–4.163 (11) Å, involving the triazolium ring] play an important r
Externí odkaz:
https://doaj.org/article/ff4b234663624b08aeb2e85aa6a17238
Publikováno v:
Acta Crystallographica Section E, Vol 64, Iss 3, Pp o631-o631 (2008)
In the title compound, C12H14N2O, the middle C atom in the propanol chain is a chiral center and possesses an S absolute configuration, according to the synthesis. In the crystal structure, intermolecular O—H...N hydrogen bonds link the molecules i
Externí odkaz:
https://doaj.org/article/6e0c401eb9ed44ef96a8389a07a76d02
Autor:
Menglei Wang, Zhangyi Fu, Rui Cheng, Jiping Du, Tanping Wu, Zhengyang Bin, Di Wu, Yudong Yang, Jingbo Lan
Publikováno v:
Chemical Communications. 59:5126-5129
Double boron-based multiresonance emitters DBF-DBN and DBT-DBN have been synthesized. The OLED device based on DBT-DBN shows an ultrapure green emission at 520 nm with EQEs up to 31.3% and a narrow FWHM of 24 nm.
Publikováno v:
The Journal of Physical Chemistry Letters. 13:4486-4494
Modulating the excited-state intramolecular proton transfer (ESIPT) reaction to achieve anticipant performance is always fascinating for chemists. However, feasible methods and a definite mechanism for tuning the ESIPT reaction remain insufficient. I
Publikováno v:
Organic Letters. 24:1929-1934
Disclosed herein is a catalytic oxidative C-H annulation of thiophenol derivatives with 1,3-diynes, which provides an efficient synthetic approach to both symmetrical and nonsymmetrical 3,3'-bibenzothiophenes. This protocol exhibits a broad substrate
Publikováno v:
Chemical Communications. 58:7952-7955
Rhodium-catalysed oxidative C–H/C–H cross-coupling of S-aryl sulfoximines with thiophenes has been accomplished for the first time via a chelation-assisted strategy, which provides an efficient approach to forge BTBT and benzothiazines.
Publikováno v:
Chemical Communications. 58:7042-7045
N-heterocyclic carbene-directed Ir(iii)-catalyzed cascade C–H arylation/annulation of N-arylimidazolium with diaryliodonium salts has been accomplished for the first time via a quadruple C–H activation strategy.
Publikováno v:
Angewandte Chemie. 135
Disclosed herein is RhCl3-catalyzed peri-selective C-H/C-H oxidative homo-coupling of 1-substituted naphthalenes, which provides a highly efficient and streamlined approach to chalcogen-embedded anthanthrenes from readily available starting materials