9,9-dimethyl-4,5-bis(diphenyl-phosphino)xanthene; Ru(CO)(PPh3)3H2 in toluene 24 h; Heating;

1: With palladium diacetate; copper(II) bis(trifluoromethanesulfonate) in 1,4-dioxane T=90°C; Molecular sieve; 2: With trifluorormethanesulfonic acid in 1,4-dioxane T=90°C; 3: With hydrogenchloride; water in 1,4-dioxane

1: With palladium diacetate; copper(II) bis(trifluoromethanesulfonate) in 1,4-dioxane T=90°C; Molecular sieve; 2: With trifluoroacetic acid in 1,4-dioxane

1: With oxygen; palladium diacetate; copper(II) bis(trifluoromethanesulfonate) in 1,4-dioxane T=100°C; 24 h; Molecular sieve; 2: With acetic acid in 1,4-dioxane

1: With palladium diacetate; copper(II) bis(trifluoromethanesulfonate) in 1,4-dioxane T=90°C; Molecular sieve; 2: With trifluorormethanesulfonic acid in 1,4-dioxane