1.
RSC Adv
; 11(62): 39518-39522, 2021 Dec 06.
Article
in English
| MEDLINE
| ID: mdl-35492468
ABSTRACT
The reaction of trimethylsilyl-substituted alkynes with 0.5 equivalents of Cp2ZrCl2 and 1 equivalent of Et3Al in toluene at room temperature for 18 hours gives, after hydrolysis/deuterolysis or iodination, functionalized products of the homo-coupling of silyl-substituted alkynes in good yield. Trimethylsilyl-substituted α,ω-diynes react with the Cp2ZrCl2 - Et3Al reagent system to give (1Z,2Z)-1,2-bis(iodo(trimethylsilyl)methylene)cycloalkanes after iodinolysis.