[EN] HETEROARYL FUSED PYRIDINES, PYRAZINES AND PYRIMIDINES AS CRF1 RECEPTOR LIGANDS [FR] PYRIDINES, PYRAZINES ET PYRIMIDINES FUSIONNEES AVEC HETEROARYLE UTILISEES COMME LIGANDS DE RECEPTEURS CRF1
Synthesis of All‐Carbon Quaternary Centers by Palladium‐Catalyzed Olefin Dicarbofunctionalization
作者:Maximilian Koy、Peter Bellotti、Felix Katzenburg、Constantin G. Daniliuc、Frank Glorius
DOI:10.1002/anie.201911012
日期:2020.2.3
The redox-neutral dicarbofunctionalization of tri- and tetrasubstituted olefins to form a variety of (hetero)cyclic compounds under photoinduced palladium catalysis is described. This cascade reaction process was used to couple styrenes or acryl amides with a broad range of highly decorated olefins tethered to aryl or alkyl bromides (>50 examples). This procedure enables one or two contiguous all-carbon
Synthetic Connections to the aromatic directed metalation reaction. Radical-induced cyclization to substituted benzofurans, benzopyrans, and furopyridines
作者:K. Shankaran、C.P. Sloan、V. Snieckus
DOI:10.1016/s0040-4039(00)95109-8
日期:1985.1
The -iodoaryl allyl ethers 2, derived from 1 via the aromatic directed metalation protocol, undergo tributyl tin hydride-induced heteroring annelation to lead to unusually substituted benzofuran (3) and benzopyran, and furopyridine derivatives (Table).
Bipyridinyl derivatives as a highl selective cyclooxygenase-2 inhibitor
申请人:——
公开号:US20040254378A1
公开(公告)日:2004-12-16
The present invention relates to a novel bipyridinyl derivative having a structure of formula (1) and its pharmaceutically acceptable salts, optical isomer and method for preparing it as a highly selective cyclooxygenase-2 inhibitor, wherein R is defined in this specification.
Bipyridinyl derivatives as a highly selective cyclooxygenase-2 inhibitor
申请人:Cho Il-Hwan
公开号:US06946558B2
公开(公告)日:2005-09-20
The present invention relates to a novel bipyridinyl derivative having a structure of formula (1) and its pharmaceutically acceptable salts, optical isomer and method for preparing it as a highly selective cyclooxygenase-2 inhibitor, wherein R is defined in this specification.
1,3,2‐Diazaphospholene‐Catalyzed Reductive Cyclizations of Organohalides**
作者:Johannes Klett、Łukasz Woźniak、Nicolai Cramer
DOI:10.1002/anie.202202306
日期:2022.7.25
1,3,2-diazaphospholenes hydrides (DAP-H) are shown as efficient catalysts for reductive radical cyclization of aryl and alkyl halides under irradiation with visible light. The pivotal DAP catalyst turnover was achieved by a DBU-assisted σ-bondmetathesis between the formed DAP halide and HBpin.