e.g. Filippa Pettersson or Cancer Res. 75(6) , 1102-12, (2015) or 10.1002/anie.201600521
Tetrahedron letters
Highly reactive equivalents of allylidenetriphenylphosphoranes for the stereospecific synthesis of 1, 3-dienes by cis-olefination of hindered aldehydes