138075-99-7Relevant articles and documents
Chiral 2-Vinyl-1,2,3-oxazaphospholidin-2-ones: New Dienophiles for Asymmetric Diels-Alder Reactions
Katagiri, Nobuya,Yamamoto, Mitsuo,Iwaoka, Tomoyasu,Kaneko, Chikara
, p. 1429 - 1430 (1991)
Diels-Alder reactions of chiral dienophiles: (2R,4S)- and (2S,4S)-2-vinyl-1,2,3-oxazaphospholidin-2-ones (3 and 4) derived from (S)-valinol with cyclopentadiene led to mixtures of endo- and exo-adducts with high diastereofacial selectivity (>90percent for