Structural Feature Relevance of the Chiral Alkyl Residue in the Addition Alkanesulfenic Acids/Enynes. Synthesis and Diels−Alder Reactivity of Enantiopure (E)-3-[(1S-exo)-2-Bornylsulfinyl]-1- methoxybuta-1,3-dienes
Structural Feature Relevance of the Chiral Alkyl Residue in the Addition Alkanesulfenic Acids/Enynes. Synthesis and Diels−Alder Reactivity of Enantiopure (E)-3-[(1S-exo)-2-Bornylsulfinyl]-1- methoxybuta-1,3-dienes