Transition-metal-promoted ring-opening reactions of vinylcyclopropenes. 1,2,3,5-.eta.-Penta-2,4-dienediyl- and 1,5-.eta.-penta-2,4-dienediyl(1-metallacyclohexa-2,4-diene) complexes of rhodium(III) and iridium(III) and their conversion to (.eta.5-cyclopentadienyl)hydridometal compounds

1987 ◽  
Vol 6 (7) ◽  
pp. 1578-1581 ◽  
Author(s):  
James W. Egan ◽  
Russell P. Hughes ◽  
Arnold L. Rheingold
Keyword(s):  
Transition Metal ◽  
Ring Opening ◽  
Ring Opening Reactions

Recent Advances in Transition Metal Catalyzed C-H Functionalization Reactions Involving Aza/Oxabicyclic Alkenes

Synthesis ◽  
2021 ◽  
Author(s):  
Masilamani Jeganmohan ◽  
Pinki Sihag
Keyword(s):  
Transition Metal ◽  
Metal Complexes ◽  
Transition Metal Complexes ◽  
Ring Opening ◽  
Bond Activation ◽  
Considerable Progress ◽  
Double Bonds ◽  
Facial Selectivity ◽  
Ring Opening Reactions ◽  
Metal Catalyzed

Bicyclic alkenes, including Oxa- and azabicyclic alkenes can be readily activated by using transition-metal complexes with facial selectivity, because of the intrinsic angle strain on carbon-carbon double bonds of these unsymmetrical bicyclic systems. During last decades considerable progress has been done in the area of ring-opening of bicyclic strained ring by employing the concept of C-H activation. This Review comprehensively compiles the various C-H bond activation assisted reactions of oxa- and azabicyclic alkenes, viz., ring-opening reactions, hydroarylation as well as annulation reactions.

Hydrolytic ring opening reactions of anhydrides for first row transition metal dicarboxylate complexes

Polyhedron ◽  
2007 ◽  
Vol 26 (15) ◽  
pp. 4518-4524 ◽  
Author(s):  
Abhilasha M. Baruah ◽  
Anirban Karmakar ◽  
Jubaraj B. Baruah
Keyword(s):  
Transition Metal ◽  
Ring Opening ◽  
Ring Opening Reactions

DBU-promoted ring-opening reactions of multi-substituted donor–acceptor cyclopropanes: access to functionalized chalcones with a quaternary carbon group

2020 ◽  
Vol 18 (45) ◽  
pp. 9210-9215
Author(s):  
Naili Luo ◽  
Jiamin Liu ◽  
Shan Wang ◽  
Cunde Wang
Keyword(s):  
Transition Metal ◽  
Ring Opening ◽  
Metal Catalyst ◽  
Quaternary Carbon ◽  
Transition Metal Catalyst ◽  
Ring Opening Reactions ◽  
Donor Acceptor

A strategy to synthesize highly stereoselective chalcones with alkylcyanoacetate subunits via DBU-promoted ring-opening reactions of multi-substituted D–A cyclopropanes has been developed without the requirement of a transition metal catalyst and extra solvent.

Transition Metal/Lewis Acid Co‐Catalyzed Ring‐Opening Reactions of Oxa/Azabenzonorbornadienes

2020 ◽  
Vol 5 (19) ◽  
pp. 5526-5536
Author(s):  
Danni Zhang ◽  
Ruhima Khan ◽  
Baomin Fan
Keyword(s):  
Transition Metal ◽  
Lewis Acid ◽  
Ring Opening ◽  
Ring Opening Reactions
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