Low-valent titanium mediated cleavage of trityl-O/N bonds in trityl ethers/amines via electron transfer process is reported. Chemoselective deprotection of trityl ethers in preference to benzyl ethers is achieved. The ease of cleavage of protected alcohols and amines is in the order O-allyl > O-trityl > O-benzyl; N-trityl > O-trityl bonds.
Design, synthesis and identification of a new class of triarylmethyl amine compounds as inhibitors of apolipoprotein E production
作者:Mandeep Singh、Jason T. Schott、Martin A. Leon、Robert T. Granata、Harkiran K. Dhah、Jason A. Welles、Michelle A. Boyce、Hafeez S. Oseni-Olalemi、Charles E. Mordaunt、Anthony J. Vargas、Nilay V. Patel、Santanu Maitra
DOI:10.1016/j.bmcl.2012.08.009
日期:2012.10
We have identified a newclass of triarylmethyl amine compounds that can inhibit apolipoprotein E (apoE) production. ApoE is a cholesterol- and lipid-carrier protein implicated in aging, atherosclerosis, Alzheimer’s Disease (AD), and other neurological and lipid-related disorders. Attenuation of apoE production is generally considered to be of therapeutic value. A majority of the apoE in the brain