The preparation of ester heterocycles mostly uses heteroatoms as nucleophilic sites, which are achieved by intramolecular substitution or addition reactions. Compound: 1,3-Bis(2,4,6-trimethylphenyl)-1,3-dihydro-2H-imidazol-2-ylidene( cas:141556-42-5 ) is researched.Related Products of 141556-42-5.Miloserdov, Fedor M.; Pecharman, Anne-Frederique; Sotorrios, Lia; Rajabi, Nasir A.; Lowe, John P.; Macgregor, Stuart A.; Mahon, Mary F.; Whittlesey, Michael K. published the article 《Bonding and Reactivity of a Pair of Neutral and Cationic Heterobimetallic RuZn2 Complexes》 about this compound( cas:141556-42-5 ) in Inorganic Chemistry. Keywords: thermal decomposition stability reactivity ruthenium zinc heterobimetallic complex preparation; crystal structure mol electronic optimized ruthenium zinc heterobimetallic complex; bonding reactivity neutral cationic heterobimetallic ruthenium dizinc complex preparation. Let’s learn more about this compound (cas:141556-42-5).
A combined exptl. and computational study of the structure and reactivity of two [RuZn2Me2] complexes, neutral [Ru(PPh3)(Ph2PC6H4)2(ZnMe)2] (2) and cationic [Ru(PPh3)2(Ph2PC6H4)(ZnMe)2][BArF4] ([BArF4] = [B{3,5-(CF3)2C6H3}4]) (3), is presented. Structural and computational analyses indicate these complexes are best formulated as containing discrete ZnMe ligands in which direct Ru-Zn bonding is complemented by weaker Zn···Zn interactions. The latter are stronger in 2, and both complexes exhibit an addnl. Zn···Caryl interaction with a cyclometalated phosphine ligand, this being stronger in 3. Both 2 and 3 show diverse reactivity under thermolysis and with Lewis bases (PnBu3, PCy3, and IMes). With 3, all three Lewis bases result in the loss of [ZnMe]+. In contrast, 2 undergoes PPh3 substitution with PnBu3, but with IMes, loss of ZnMe2 occurs to form [Ru(PPh3)(C6H4PPh2)(C6H4PPhC6H4Zn(IMes))H] (7). The reaction of 3 with H2 affords the cationic trihydride complex [Ru(PPh3)2(ZnMe)2(H)3][BArF4] (12). Computational analyses indicate that both 12 and 7 feature bridging hydrides that are biased toward Ru over Zn.
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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