Journal
CHEMICAL SOCIETY REVIEWS
Volume 43, Issue 3, Pages 834-846Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/c3cs60313j
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Cyclization reactions of alkynes, especially the double carbometallation of alkynes, have drawn much interest from organic chemists because of their high efficiency in the construction of polycycles. Utilizing different nucleophiles or catalytic systems, various efficient strategies to access challenging skeletons have been extensively explored in recent years. In this review, achievements in this field are presented in three major parts (the syn-syn, anti-anti, and syn-anti addition reactions of diynes or two alkyne molecules). Cyclization reactions of diynes initiated by nucleophiles, [2+2+n] cycloaddition, or other processes and reactions, involving two identical or different alkynes are described, which provide facile and reliable approaches to various p systems, medium-sized rings, and even macrocycles.
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