A novel method is developed for electro-focusing and moving neutralization reaction boundary (MNRB) created with HCl and NaOH. The optimized conditions are scre
Aryl azides and a-keto phosphorus ylides were reacted within 4~10 minutes with silica gel support, under microwave irridiation to afford corresponding l-aryl-l,
Diphenylchlorin (DPC) and diphenylbacteriochlorin (DPBC) were synthesized for the first time from reduction of 5,10-diphenylporphyrin (DPP). As photosensitizer
A new triterpenoid, 3b, 4b, 23-trihydroxy-24, 30-dinorolean-12, 20(29)-dien-28-oic acid, together with five known compounds, 2a, 3b, 23-trihydroxy-12-oleanen-28