Sample reactions
intermediate structure
TfOH, Me2S
MeCN
-35 °C to RT, 2 h, 67%
intermediate structure
intermediate structure
(CH2O)n, La(OTf)3, N(CH2CH2OH)3, Et3P
CH2Cl2
-78 to -20 °C, 6.5 h, 70%
intermediate structure
intermediate structure
AgOTf, 2,6-Di-tert-butyl-4-methylpyridine, DBU
PhMe
RT, 13.5 h, 70%
intermediate structure