119493-32-2Relevant articles and documents
Reactivity and Diastereoselectivity in Inverse-Type Hetero-Diels-Alder Dihydropyran Syntheses
Apparao, Satyam,Maier, Martin E.,Schmidt, Richard R.
, p. 900 - 904 (2007/10/02)
β-Acyloxy-α-phenylthio-substituted α,β-unsaturated carbonyl compounds 3a-i and 4c,f, having different electron withdrawing carbon substituents at the carbonyl group, afford with ethyl vinyl ether as heterodienophile the dihydropyrans 5a-i and 6c,f, respec