217803-24-2

Upstream product

• 106-95-6 allyl bromide 
• 217803-14-0 (E)-3-(diethylboryl)-4-(phenylthio)-3-octene 
• 693-02-7 hex-1-yne 
• 931-59-9 benzenesulfenyl chloride 
• 60104-66-7 C₁₂H₂₄B^(1-)*Li⁽¹⁺⁾ 

Relevant academic research and scientific papers

Transformation of β-chalcogeno alkenylboranes into tetrasubstituted olefins

In view of generating trisubstituted vinylic chalcogen derivatives, β-chalcogeno alkenylboranes generated through the chalcogen electrophile induced rearrangements of 1-alkynyltrialkyl borates have been subjected to Suzuki-Miyaura coupling and to boron to copper transmetalation followed by alkylation. Some of the trisubstituted vinyl sulfides obtained by this latter strategy have been converted efficiently into the title olefins through the NiCl2(dmpe) catalyzed coupling with various Grignard reagents.

Vinylborane and vinyichalcogenide mediated syntheses of tri- and tetrasubstituted olefins from 1-alkynes

The title olefins have been prepared with high regio- and stereocontrol from 1-alkynes through vinyl boranes 1 vinyl chalcogenides; the reaction sequences involved protonolysis or transmetallation - alkylation of the boranes followed by an Ni(0) catalyzed coupling reaction.