1333395-51-9Relevant articles and documents
Highly efficient construction of spirocyclic chromanone-pyrrolidines via Cu(i)/TF-BiphamPhos-catalyzed asymmetric 1,3-dipolar cycloaddition
Liu, Tang-Lin,He, Zhao-Lin,Wang, Chun-Jiang
supporting information; experimental part, p. 9600 - 9602 (2011/10/04)
A facile synthesis of highly functional spiro-[4-chromanone-3,3′- pyrrolidine] bearing one unique spiro quarternary and three tertiary stereogenic centers is developed in excellent stereoselectivity for the first time. The Royal Society of Chemistry 2011.