Abstract

Amino-2-propanol structures can be obtained by addition to dibenzyl acetals of in situ generated dihalocarbenes using LVT (Low Valent Titanium). This methodology can be used to obtain adrenergic β-blockers with amino-2-propanol structure. Tetrahalomethanes are the best dihalocarbene precursors. The yields obtained using halofluoromethanes can be increased by addition of carbontetrachloride. A process that can imply halogen transfer may be proposed.

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