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Chloride in TMS reactions

Posted: Tue Oct 19, 2004 10:14 pm
by Fabiano
Did someone already experience some problem with chloride in TMS reactions?

I am doing a silylation of a polyacohol in the presence of 1% chloride (NaCl) using BSTFA as TMS donor. I accomplish my reaction in 1/5 of time if I remove the chloride. I think that is because when I use BSTFA my TMS converts to TMSCl that is a known labile tms donnor.

Am I wrong?