Calix(4)pyrrolato tin complexes: augmented reactivity of structurally constrained Sn(II) and Sn(IV) centers: synthetic chemistry of calix(4)pyrrolato p-block complexes, structurally constrained Sn(II) nucleophiles and Sn(IV) Lewis acids - Ruppert, Heiko (2024)
Im Titel steht (4) jeweils in eckiger Klammer