122334-18-3Relevant academic research and scientific papers
Use of β-Sulfonyl Vinyl Ketones as Equivalents to Vinyl Ketones in Robinson Annelation. Convergent, Highly Stereoselective Preparation of a Hydrindanol Related to Vitamin D from 2-Methylcyclopent-2-enone and Lithiated (E)-But-2-enyldiphenylphosphine Oxide
Haynes, Richard K.,Vonwiller, Simone C.,Hambley, Trevor W.
, p. 5162 - 5170 (2007/10/02)
Conjugate addition of lithiated (E)-but-2-enyldiphenylphosphine oxide (3) to 2-methylcyclopent-2-enone (2) in tetrahydrofuran at -20 deg C generates the enolate 8, which reacts rapidly with a series of β-sulfonyl vinyl ketones to generate unsaturated dike
