None: tetraol 113 ( 74 mg , 0.30 mmol ) 
None: dry DMF ( 2 mL ) 
None: Imidazole ( 40 mg , 0.60 mmol ) 
None: TIPSCl ( 0.08 mL , 0.36 mmol ) 
None: DMAP ( 2.0 mg , 20 ?mol ) 
None: DMF ( 1 mL ) 
None: NH4Cl ( aq ) ( 2 mL ) 
None: EtOAc ( 3 x 10 mL ) 
None: 10 % aqueous LiCl ( 5 x 10 mL ) 
None: brine ( 5 mL ) 
None: MgSO4 
None: CH2Cl2 / MeOH ( 98 : 2 ) 
None: 2-((2R,3R,4R,5R,6R)-3,4-Bis(4-methoxybenzyloxy)-6-((R)-1-(4-methoxybenzyloxy)-2-(methylallyl)-5-methyltetrahydro-2H-pyran-2-yl)ethoxy)(tert-butyl)dimethylsilane 116 
None: triol 114 ( 60 mg , 0.17 mmol ) 
None: DMF ( 2 mL ) 
None: PMBBr ( 0.15 mL , 1.0 mmol ) 
None: TBAI 
None: NH4Cl ( aq ) ( 5 mL ) 
None: EtOAc ( 3 x 30 mL ) 
None: 10 % aqueous LiCl ( 3 x 30 mL ) 
None: brine ( 30 mL ) 
None: MgSO4 
None: petrol/EtOAc ( 95 : 5 ) 
