Kang, HY Lee, SH Choi, KI Koh, HY 2024-01-21T17:42:51Z 2024-01-21T17:42:51Z 2021-09-05 1997-12-20 0253-2964 https://pubs.kist.re.kr/handle/201004/143451 English KOREAN CHEMICAL SOC CYCLOADDITIONS Synthesis of cephalosporin derivatives utilizing the cephem triflate. 2. Introduction of 3-position substituents by the reaction with enamines Article 1 BULLETIN OF THE KOREAN CHEMICAL SOCIETY, v.18, no.12, pp.1242 - 1244 BULLETIN OF THE KOREAN CHEMICAL SOCIETY 18 12 1242 1244 scie scopus 000071415300007 2-s2.0-0642365349 Chemistry, Multidisciplinary Chemistry Article CYCLOADDITIONS cephalosporin