123347-40-0Relevant articles and documents
AN EXAMINATION OF THE COUPLING OF VINYL AND ARYL TRIFLATES WITH STANNYL CUPRATES FOR THE PURPOSE OF PROVIDING REGIOSELECTIVE ACCESS TO VINYL LITHIUMS
Gilbertson, Scott R.,Challener, Cynthia A.,Bos, Mary Ellen,Wulff, William D.
, p. 4795 - 4798 (1988)
The coupling reaction of vinyl triflates with higher-order stannyl cuprates was found to provide a convenient method for the preparation of vinyl stannanes.Since vinyl triflates can be regioselectively prepared from ketones this then provides overall regioselective entry to vinyl lithiums from vinyl triflates via their corresponding stannanes.This is an improvement on a previous method for the preparation of vinyl stannanes from the palladium catalyzed coupling of vinyl triflates and distannanes.
Synthesis of five-and six-membered 1,3,3-trimethyl-2-(trimethylsilyl) cycloalkenes: A novel preparation of alkyl/alkenyl/aryl 2,5,5-trimethyl-1- cyclopentenyl ketones
Venkatesha, Manjunatha A.,Suresh, Hariprasad
, p. 759-768+S57-S61 (2013/07/26)
1,3,3-trimethyl-2-(trimethylsilyl)cyclopentene and 1,3,3-trimethyl-2- -(trimethylsilyl)cyclohexene were prepared in good yields by the Wurtz-Fittig coupling reaction of the corresponding 2-iodo-1,3,3-trimethylcyclopentene and 2-chloro-1,3,3-trimethylcyclohexene with metallic sodium and chlorotrimethylsilane in anhydrous ether solvent. The Friedel-Crafts acylation reaction of 1,3,3-trimethyl-2-(trimethylsilyl)cyclopentene with six different acid chlorides and the novel preparation of six alkyl/alkenyl/aryl 2,5,5-trimethyl-1-cyclopentenyl ketones are reported.