A Tandem Conjugate Addition–Intramolecular Horner–Wadsworth–Emmons Olefination Approach to the Synthesis of Cyclopentene[c]chroman-2-ones and Cyclopent-1-enecarboxylates

Deredas, DariuszHuben, KrzysztofManiukiewicz, WaldemarKrawczyk, Henryk2016-01-292016-01-292014Synlett, Vol. 25 no.2, s. 280-282http://hdl.handle.net/11652/1008https://www.thieme-connect.com/products/ejournals/html/10.1055/s-0033-1340347A strategically new approach to cyclopentene[c]chroman- 2-ones and cyclopent-1-enecarboxylates by tandem Michael– Horner–Wadsworth–Emmons reaction of 2,5-hexanedione with 3-(diethoxyphosphoryl)coumarins is described. The products were obtained as single diastereoisomers in high yields.enMichael additionHorner–Wadsworth–Emmons olefinationtandem reactionannulations1,5,7-triazabicyclo[4.4.0]dec- 5-eneA Tandem Conjugate Addition–Intramolecular Horner–Wadsworth–Emmons Olefination Approach to the Synthesis of Cyclopentene[c]chroman-2-ones and Cyclopent-1-enecarboxylatesArtykuł