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CuI-Catalyzed Cross-Coupling of N -Tosylhydrazones with Terminal Alkynes: Synthesis of 1,3-Disubstituted Allenes

✍ Scribed by Hossain, Mohammad Lokman; Ye, Fei; Zhang, Yan; Wang, Jianbo

Book ID
118268786
Publisher
American Chemical Society
Year
2013
Tongue
English
Weight
764 KB
Volume
78
Category
Article
ISSN
0022-3263

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## Abstract Relative to our original protocol that uses CuI (0.5 equiv.), paraformaldehyde (2.5 equiv.), and dicyclohexylamine (1.8 equiv.), a facile and efficient protocol for the gram‐scale synthesis of functionalized terminal allenes by using CuI (7.5–10 mol‐%), paraformaldehyde (1.6 equiv.), an