tris(acetonitrile)(η5-2,4-cyclopentadien-1-yl)ruthenium(1+) hexafluorophosphate(1-); 2-pyridin-2-yl-8,8a-dihydro-3aH-indeno[1,2-d]oxazole in tetrahydrofuran T=60°C; Carroll reaction; 3 h; Inert atmosphere; optical yield given as percent ee;