Definition of Cycloadditions. Meaning of Cycloadditions. Synonyms of Cycloadditions

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Definition of Cycloadditions

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Meaning of Cycloadditions from wikipedia

- all cycloadditions are concerted and thus pericyclic. Nonconcerted cycloadditions are not pericyclic. As a class of addition reaction, cycloadditions permit...
- cycloaddition is a chemical reaction between a 1,3-dipole and a dipolarophile to form a five-membered ring. The earliest 1,3-dipolar cycloadditions were...
- In organic chemistry, enone–alkene cycloadditions are a version of the [2+2] cycloaddition. This reaction involves an enone and alkene as substrates....
- intermediates in chemical synthesis. A nitrone is a 1,3-dipole used in cycloadditions, and a carbonyl mimic. Nitrones, as a tetrasubstituted double bond,...
- better than others:[clarification needed] [3+2] cycloadditions, such as the ****sgen 1,3-dipolar cycloaddition, in particular the Cu(I)-catalyzed stepwise...
- result of templating by the metal. (4) Although notable work on [6+4] cycloadditions was reported by Rigby et al. in the late 1980s, the study of metal-complexed...
- metal-catalyzed (5+2) cycloadditions of vinylcyclopropanes with 2π units are also useful for the formation of seven-membered rings. Cycloadditions carried out under...
- act as 4π partners in [4+2] cycloadditions as well. The unique transition state geometry of [2+2] ketene cycloadditions has important stereochemical...
- PMID 21970470. ****sgen, Rolf. (1976). "1,3-Dipolar cycloadditions. 76. Concerted nature of 1,3-dipolar cycloadditions and the question of diradical intermediates"...
- [2+2] cycloadditions are only observed under photochemical activation. The rationale for the non-observation of thermal [2+2] cycloadditions begins with...