Author's Organization:Central Research Laboratories, Sankyo Co., Ltd. Central Research Laboratories, Sankyo Co., Ltd. Central Research Laboratories, Sankyo Co., Ltd. Central Research Laboratories, Sankyo Co., Ltd.
Structure of futoamide, isolated from Piper futokadzura SIEB. et ZUCC., was determined as N-isobutyl-7-(3, 4-methylenedioxyphenyl) hepta-2, 6-dienoic amide, which was synthesized by an unambiguous route.