e.g. Filippa Pettersson or Cancer Res. 75(6) , 1102-12, (2015) or 10.1002/anie.201600521
Chemical reviews
Cyclization reactions of dianions in organic synthesis
P Langer, W Freiberg
Index: Mussatto, Maria Cristina; Savoia, Diego; Trombini, Claudio; Umani-Ronchi, Achille Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1980 , p. 260 - 263