60835-72-5Relevant articles and documents
Copper(II) bromide: A simple and selective monobromination reagent for electron-rich aromatic compounds
Bhatt, Suchitra,Nayak, Sandip K.
, p. 1381 - 1388 (2008/02/01)
Copper(II) bromide was found to be a simple and efficient reagent for monobromination of electron-rich aromatic compounds at room temperature. The reaction proceeded smoothly with phenols, aryl alkyl ethers, and aromatic amines to afford the corresponding monobrominated product selectively in moderate to good yields. Copyright Taylor & Francis Group, LLC.
Crown-containing spironaphthoxazines and spiropyrans 3. Synthesis and investigation of the merocyanine form of crown-containing spirobenzothiazolinonaphthoxazine
Fedorova,Koshkin,Gromov,Avakyan,Nazarov,Brichkin,Vershinnikova,Nikolaeva,Chernych,Alfimov
, p. 1441 - 1450 (2007/10/03)
A method for the synthesis of the spirobenzothiazolinonaphthoxazine, stable in the merocyanine form and containing a crown-ether fragment was developed. The complexing properties of the prepared merocyanine compound and the spectroscopic and photochromic characteristics of its complexes with alkaline earth metal cations were studied by NMR and UV spectroscopy. The results were analyzed using quantum-chemical calculations. The addition of alkaline earth metal perchlorates to a solution of a crown ether-containing merocyanine dye in MeCN results in the coordination of metal cations to two binding centers, namely, the crown-ether fragment and the merocyanine oxygen atom. This gives rise to two types of complexes, which differ substantially in their structurally. The complexation induces changes in the UV spectra and influences on the photochromic behavior of the prepared compound.
Transition Metal Phosphine Complexes Possessing a Phase Transfer Function. Preparation and Catalytic Reactivity of Palladium Phosphine Complexes Containing Crown Ethers
Okano, Tamon,Iwahara, Masahiro,Suzuki, Takayoshi,Konishi, Hisatoshi,Kiji, Jitsuo
, p. 1467 - 1470 (2007/10/02)
Crown-functionalized triarylphosphines and their palladium complexes were synthesized and characterized.The palladium complexes were found to fulfil the concerted function of the transition metal catalyst and the phase transfer catalyst in the two-phase reduction of 1-chloromethylnaphthalene with formate salts.
