160596-45-2Relevant articles and documents
Ketalised α- and β-lithiated α,β-unsaturated ketones: New masked acylvinyl anion equivalents
Bachki, Abderrazak,Foubelo, Francisco,Yus, Miguel
, p. 4921 - 4934 (1997)
The reaction of chloroketals 1, 5 and 10 with an excess of lithium powder and a catalytic amount of DTBB (4-5%) in THF at -78 or -90°C leads to the corresponding functionalised organolithium compounds 2, 6 and 11, respectively, resulting from a chlorine/l
2-Substituted (E)-2-(2-Lithioethenyl)-1,3-dioxolanes: New Diastereoisomeric Pure β-Acylvinyl Anion Equivalents
Bachki, Abderrazak,Foubelo, Francisco,Yus, Miguel
, p. 7643 - 7646 (2007/10/02)
The reaction of (E)-chloroketals 1 with lithium powder and a catalytic amount of DTBB (4 mol percent) in THF at -90 deg C followed by treatment with different electrophiles tCHO, PhCHO, Me2CO, (CH2)4CO, PhCOMe> at -90 to -60 deg C