stituents consecutively act as steric hindrances and directing groups in a Michael / Conia-ene cascade reaction under synergistic catalysis †

Department of Organic Chemistry, Faculty 2030, 128 43 Praha 2, Czech Republic. E-m Laboratorio de Organocatálisis Asimétrica Instituto de Śıntesis Qúımica y Catálisis Ho Zaragoza, C/Pedro Cerbuna 12, 50009 Zara University of Southampton, School of Chem SO17 1BJ, UK. E-mail: rrt1f11@soton.ac.uk Department of Inorganic Chemistry, Facult 2030, 128 43 Praha 2, Czech Republic † Electronic supplementary information 1859006. For ESI and crystallographic dat DOI: 10.1039/c8sc05258a ‡ These authors contributed equally to th Cite this: Chem. Sci., 2019, 10, 4107