Scheme 2.
Synthetic Applications
aConditions: (i) LiAlH4, THF, 50 °C. (ii) PCC, DCM, r.t.. (iii) Ac2O, NaOAc, AcOH, 110 °C. (iv) DDQ, toluene, 120 °C. (v) LiAlH4, THF, 50 °C. (vi) I2, imidazole, PPh3, CH3CN/Et2O r.t.. (See supporting information for detailed procedures)