142025-10-3Relevant articles and documents
Synthesis of (E)-1,4-bis(organyl) but-1-en-3-ynes by lithium-tellurium exchange reaction on (Z)-1-butyltelluro-1,4-bis(organyl) but-1-en-3-ynes
Dabdoub,Dabdoub,Comasseto
, p. 2261 - 2264 (1992)
1,4-bis(organyl)-1,3-butadiynes react with dibutyl ditelluride and sodium borohydride in ethanol under reflux to give (Z)-1-butyltelluro-1,4-bis(organyl) but-1-en-3-ynes, which by treatment with butyllithium followed by water give (E)-1,4-bis(organyl) but