Recommanded Product: 92390-26-6. The protonation of heteroatoms in aromatic heterocycles can be divided into two categories: lone pairs of electrons are in the aromatic ring conjugated system; and lone pairs of electrons do not participate. Compound: Chloro(1,5-cyclooctadiene)(pentamethylcyclopentadienyl)ruthenium, is researched, Molecular C18H28ClRu, CAS is 92390-26-6, about Addition of diazoalkanes to enynes promoted by a ruthenium catalyst: simple synthesis of alkenyl bicyclo[3.1.0]hexane derivatives. Author is Monnier, Florian; Castillo, Dante; Derien, Sylvie; Toupet, Loiec; Dixneuf, Pierre H..
[C*pRuCl(cod)] (C*p = C5Me5, cod = cyclooctadiene) promotes the reaction of 1,6-enynes with an excess of diazoalkane in dioxane in one step to afford selectively 1-alkenyl bicyclo[3.1.0]hexane derivatives (X = O, NTs; Y = CO2Et; R1 = H, Me; R2 = H; Ts = p-toluenesulfonyl). This novel reaction involves the stereoselective formation of three C-C bonds and a cyclopropanation step. Crystal structure of one of the products was also studied.
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Reference:
Chapter 1 An introduction to palladium catalysis,
Palladium/carbon catalyst regeneration and mechanical application method