452915-40-1Relevant academic research and scientific papers
Cobalt carbonyl-catalyzed tandem [2+2+1]/[4+2] cycloaddition of dienediyne to new tetracycles
Kim, Do Han,Chung, Young Keun
, p. 1889 - 1892 (2005)
A tandem reaction of dienediynes catalyzed by dicobalt octacarbonyl gives teracyclic compounds in a poor to high yield depending upon the substrate. The structural frame of the synthesized polycyclic compounds is disclosed for the first time in this study
Cycloaddition catalyzed by a new cationic rhodium-bisphosphine monooxide complex
Canlas, Gino Martin R.,Gilbertson, Scott R.
, p. 5007 - 5010 (2014)
A rhodium-BozPHOS based complex is reported. This complex is competent in catalyzing the [4+2+2] cycloisomerization of cyclooctatrienes in moderate to good yields. The X-ray crystal structure of this complex is reported, along with formation of both bicyc
Expedient synthesis of fused azepine derivatives using a sequential rhodium(II)-catalyzed cyclopropanation/1-aza-Cope rearrangement of dienyltriazoles
Schultz, Erica E.,Lindsay, Vincent N. G.,Sarpong, Richmond
supporting information, p. 9904 - 9908,5 (2014/11/08)
A general method for the formation of fused dihydroazepine derivatives from 1-sulfonyl-1,2,3-triazoles bearing a tethered diene is reported. The process involves an intramolecular cyclopropanation of an α-imino rhodium(II) carbenoid, leading to a transien
Rhodium-catalyzed synthesis of eight-membered rings
DeBoef, Brenton,Counts, W. Richard,Gilbertson, Scott R.
, p. 799 - 804 (2007/10/03)
(Chemical Equation Presented) Experiments to develop a rhodium catalyst for the [4 + 2 + 2] cycloisomerization of dienynes with a second alkyne are described. The generality of the reaction is probed in terms of dienyne structure and alkyne structure. A catalyst system that provides cyclooctatrienes in greater than 70% yield is reported. Several experiments to determine the nature of the catalyst are described.
Rhodium-catalyzed intramolecular [4 + 2] cycloadditions of alkynyl halides
Yoo, Woo-Jin,Allen, Anna,Villeneuve, Karine,Tam, William
, p. 5853 - 5856 (2007/10/03)
(Chemical Equation Presented) Cationic rhodium(I)-catalyzed intramolecular [4 + 2] cycloadditions of diene-tethered alkynyl halides were found to occur in good yields (70-87%). The halide moiety is compatible with the cycloaddition reactions, and no oxidative insertion to the alkynyl halide was observed. The halogen-containing cycloadducts could be transformed into a variety of products that are difficult or impossible to obtain via direct cycloaddition.
