PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 24409339-2 2014 Our syntheses of these alkaloids feature an improved route to C3a-aminocyclotryptamines, an enhanced method for sulfamide synthesis and oxidation, in addition to a late-stage diversification leading to the first enantioselective total synthesis of (+)-desmethyl-meso-chimonanthine and its unambiguous stereochemical assignment. Alkaloids 23-32 complement C3 Homo sapiens 62-65