PMID-sentid Pub_year Sent_text comp_official_name comp_offsetprotein_name organism prot_offset 15480457-1 2004 The "naked" anion of (S)-6-methyl delta lactol undergoes efficient oxy-Michael addition to alpha,beta-disubstituted nitro olefins to give the THP* protected Henry products with excellent (95-->98% de) stereocontrol at the beta-position and moderate (up to 3 : 1) stereocontrol at the alpha-position in favour of the syn-diastereoisomer. pirarubicin 142-145 synemin Homo sapiens 319-322