41280-65-3Relevant articles and documents
Selective metalation of phenol-type proligands for preparative organometallic chemistry
Berkefeld, Andreas,Fr?hlich, Markus,Kordan, Mike,H?rner, Gerald,Schubert, Hartmut
, p. 3987 - 3990 (2020/04/17)
The selective C-metalation of phenol ester derived proligands is a readily applicable addition to state-of-the-art protocols toward cyclometalated structures, in particular of the base metals. The approach is demonstrated by the ortho-nickelation of a 1,10-phenanthroline based strong-field ligand platform that is a sought-after motif in the field of base-metal photochemistry.
Preparation of a novel bromine complex and its application in organic synthesis
Nishio, Yuya,Yubata, Kotaro,Wakai, Yutaro,Notsu, Kotaro,Yamamoto, Katsumi,Fujiwara, Hideki,Matsubara, Hiroshi
, p. 1398 - 1405 (2019/02/07)
Although molecular bromine (Br2) is a useful brominating reagent, it is not easy to handle. Herein, we describe the preparation of a novel air-stable bromine complex prepared from 1,3-dimethyl-2-imidazolidinone (DMI) and Br2, which was identified to be (DMI)2HBr3 by spectral and X-ray techniques. This complex was then used to brominate olefins, carbonyl compounds, and aromatics, as well as in the Hofmann rearrangement. Yields of reaction products using this complex were almost the same or superior to those using other bromine alternatives.
NOVEL LIGAND COMPOUND AND TRANSITION METAL COMPOUND COMPRISING THE SAME
-
Paragraph 0143-0144; 0150-0151, (2018/05/24)
The present invention relates to a novel ligand compound and a transition metal compound including the same. The transition metal compound with a novel structure according to the present invention can be used as a polymerization reaction catalyst when an olefin polymer is manufactured. The novel ligand compound has a structure in which two biphenyl-2-ols are connected to pyridine by methylene, respectively. An oxygen atom of biphenyl-2-ol is covalently bonded to the transition metal and a nitrogen atom of pyridine is coordinately bonded to the transition metal.COPYRIGHT KIPO 2018