499767-96-3Relevant articles and documents
Facile transformation of 2-azetidinones to unsaturated ketones: Application to the formal synthesis of sphingosine and phytosphingosine
Lee, Hyeon Kyu,Kim, Eun-Kyung,Pak, Chwang Siek
, p. 9641 - 9644 (2007/10/03)
2-Azetidinones were smoothly transformed to unsaturated ketones through the ring opening of activated 2-azetidinone by phosphonate stabilized carbanion and subsequent Horner-Wadsworth-Emmons olefination of the resulting β-ketophosphonates with aldehydes.