Epoxy compounds usually have stronger nucleophilic ability, because the alkyl group on the oxygen atom makes the bond angle smaller, which makes the lone pair of electrons react more dissimilarly with the electron-deficient system. Compound: Bis((S)-4-phenyl-4,5-dihydrooxazol-2-yl)methane, is researched, Molecular C19H18N2O2, CAS is 132098-59-0, about Mesopore immobilized copper bis(oxazoline) complexes for enantioselective catalysis.Quality Control of Bis((S)-4-phenyl-4,5-dihydrooxazol-2-yl)methane.
Supported heterogeneous catalysts were prepared through the tethering of copper bis(oxazoline) complexes to the surfaces of MCM-41 and MCM-48 mesoporous materials. Thus, treatment of (4S,4’S)-2,2′-methylenebis[4,5-dihydro-4-phenyloxazole] with (3-iodopropyl)trimethoxysilane gave the resp. (4S,4’S)-2,2′-[bis[3-(trimethoxysilyl)propyl]methylene]bis[4,5-dihydro-4-phenyloxazole] (not isolated). Copper chloride (CuCl2) or trifluoromethanesulfonic acid copper(2+) salt were added to the latter ligand and the resulting copper complexes were added to zeolite MCM-41 or MCM-48, resp. The zeolite-tethered catalysts were isolated and studied as cyclopropanation catalysts in the reaction of (ethenyl)benzene with diazoacetic acid Et ester.
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Reference:
Indole alkaloid derivatives as building blocks of natural products from Bacillus thuringiensis and Bacillus velezensis and their antibacterial and antifungal activity study,
Preparation of Indole Containing Building Blocks for the Regiospecific Construction of Indole Appended Pyrazoles and Pyrroles