Gupta, A K; Ahamad, Shakir; Gupta, Ekta; Kant, Ruchir; Mohanan, Kishor
(2015)
A mild and efficient reaction of Bestmann-Ohira reagent with N-unprotected isatin-derived olefins has been developed for the selective synthesis of spiro-pyrazoline-oxindoles and tricyclic pyrazoles. The reaction features ...