768368-63-4Relevant academic research and scientific papers
The thiopyran route to polypropionates. Asymmetric synthesis of the building blocks by enantioselective protonation
Ward, Dale E.,Akinnusi, Olukayode T.,Alarcon, Idralyn Q.,Jheengut, Vishal,Shen, Jianheng,Quail, J. Wilson
, p. 2425 - 2430 (2004)
Enantioselective protonation of the s-BuLi derived lithium enolate of (S)-phenyl 1,4-dioxa-8-thia-spiro[4.5]decane-6-carbothioate 14 with N-isopropylephedrine 15 gives 14 as a 10:1 mixture of enantiomers. Recrystallization of nonracemic 14 gives a highly
