From Bis-silylene to Cyclodisiloxane

Schlenk line (Na), one 100 mL Schlenk flask, magnetic stirrer, septum, J-Young flask for dry THF, frit with Celite, syringe (50 mL), safety glasses, laboratory coat, and protective gloves. 

Safety glasses and protective gloves must be used at all times. All manipulations must be carried out in standard Schlenk technique and inert glove box. 

Cyclodisiloxanes are of tremendous commercial importance. They are useM in the preparation of modified silicone oils, resins, and gums. So, the facile preparation of cyclodisiloxane 

FROM BIS-SILYLENE TO 1,4-DISILABENZENE AN EFFICIENT METHOD TO GENERATE SILICON ANALOG OF BENZENE 

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