| - | Angular position substituted ring-fused azepino[5,4,3-cd]indole derivatives | 민병준; 박용규; 이숙자; Lee Jae Yeol; Park Ho Koon; Lee Yong Sup |
| - | Asymmetric synthesis of benzo[α]quinolizidine and indolo[2,3-α]quinolizidine derivatives from L-glutamic acid or L-pyroglutamic acid | Lee Yong Sup; 조대주; Soosung Kang; 최정훈; Lee Jae Yeol; Park Ho Koon |
| 1999-04 | Asymmetric synthesis of furo[3,2-i]indolizines from L-malic acid | Lee, YS; Lee, JY; Kim, DW; Park, HK |
| - | Construction of several heterocyclic systems through N-acyliminium ion cyclization reactions | Lee Yong Sup |
| 1999-11 | Synthesis of angular-substituted tetracyclic azepino-indole derivatives via N-acyliminium ion cyclization | Lee, YS; Min, BJ; Park, YK; Lee, JY; Lee, SJ; Park, H |
| 1998-11-01 | Synthesis of praziquantel via N-acyliminium ion cyclization of amido acetals through several synthetic routes | Kim, JH; Lee, YS; Kim, CS |
| - | Synthesis of tetracyclic pyrido[2,3-c]azepine derivatives as α₂ -adrenoceptor antagonists | 방성훈; Lee Jae Yeol; 이숙자; SONG YUN SEON; Jin Chang Bae; Park Ho Koon; Lee Yong Sup |
