e.g. Filippa Pettersson or Cancer Res. 75(6) , 1102-12, (2015) or 10.1002/anie.201600521
Organic letters
Diels− Alder Reactions of Cyclic Isoimidium Salts
RK Boeckman Jr, Y Miller, TR Ryder
Index: Baydar,A.E.; Boyd,G.V. Journal of the Chemical Society, Perkin Transactions 1: Organic and Bio-Organic Chemistry (1972-1999), 1978 , p. 1360 - 1366