PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 20397160-3 2010 Moreover, the judicious selection of commercially available secondary amine catalysts allows selective access to the desired stereoisomer of the N-tert-butoxycarbonyl (Boc) or N-carbobenzyloxy (Cbz) Mannich adducts, with high control over the syn or anti relative configuration and almost perfect enantioselectivity. boc 168-171 synemin Homo sapiens 243-246