Shigehiko Sugasawa

25. Studies on the Synthesis of Dibenzoindolizine-Derivatives (I):A Synthesis of 4', 5'4", 5"-Tetramethoxy-3, 8, 4, 7-tetrahydro-(1', 2':1, 2;1", 2":5, 6-dibenzoindolizine)

81. Studies on the Synthesis of Emetine and its Analogues (V): Synthesis of Di-isoquinolyl-spiro-dipiperidine-Derivative

80. Studies on the Synthesis of Emetine and its Analogues (IV):An Improved Method for the Synthesis of rac-C-nor-Emetine-Pyman

106. Studies on the Synthesis of Emetine and its Analogues (III)

117. Studies on the Synthesis of Dibenzoindolizine-Derivatives (V):A Synthesis of 4', 5'-Dimethoxy-1, 2, 3, 8, 6, 7, 3", 4", 5", 6"-decahydro-(1", 2", :2, 3;1', 2':4, 5-dibenzoindolizine)

60. Studies on the Synthesis of Dibenzochinolizine- Derivatives (V): A Synthesis of 4', 5':4", 5"-Tetramethoxy-5, 6, 7, 8-tetrahydro- (1', 2':1, 2;1", 2":3, 4-dibenzochinolizine)

61. Studies on the Synthesis of Dibenzoindolizine- Derivatives (III):A Synthesis of 4', 5':4", 5"-Tetramethoxy-1, 2, 3, 8-tetrahydro- (1', 2':4, 5;1", 2":6, 7-dibenzoindolizine)

129. Studies on the Synthesis of Dibenzochinolizine-Derivatives (VI)

129. Studies on the Synthesis of Dibenzochinolizine-Derivatives (VI): A Synthesis of 4', 5'-Dimethoxy-1, 2, 5, 6, 7, 8, 3", 4", 5", 6"-decahydro-(1', 2': 3, 4; 1", 2": 5, 6-dibenzochinolizine)

61. Studies on the Synthesis of Dibenzoindolizine- Derivatives (III)