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0:41
YouTube
Catalyst Chemistry
Phosphorus Tribromide (PBr3)
Using phosphorus tribromide (PBr₃) as a reagent is a great choice if you want to avoid carbocation formation while maintaining stereoselectivity! This reaction works on primary and secondary alcohols but not on tertiary alcohols. The reason? There’s too much steric hindrance for an SN2 mechanism to occur on tertiary carbons! #chemistry # ...
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