A NEW SYNTHESIS OF BETA-CARBOLINE Masaka Nakagawa*, Kenji Matsuki, and Tohru Hino Faculty of Pharmaceutical Sciences, Chiba University, 1-33 Yayoi-cho, Chiba-shi, Japan 260 Summary: Prenylation of Nb-acyltryptamines provided 3a, 8- diprenylpyrroloindoles&which were rearranged to 1, 2-diprenyltryptaminesi. Dye-sensitized photooxygenation of the tetrahydro derivative2 gave 3ahydroxide u which was converted ...