1424350-92-4Relevant articles and documents
Phosphine-catalyzed [3 + 2] cycloaddition of 4,4-Dicyano-2-methylenebut-3- enoates with benzyl buta-2,3-dienoate and penta-3,4-dien-2-one
Zhang, Xiao-Nan,Shi, Min
supporting information, p. 507 - 512 (2013/05/09)
4,4-Dicyano-2-methylenebut-3-enoates are employed in the phosphine-catalyzed [3 + 2] cycloaddition with allenoates for the first time, affording regiospecific [3 + 2]-annulation products in moderate to good yields. The multifunctional chiral thiourea-phos