Analogues of amphibian alkaloids: total synthesis of (5R,8S,8aS)-(-)-8-methyl-5-pentyloctahydroindolizine (8-epi-indolizidine 209B) and [(1S,4R,9aS)-(-)-4-pentyloctahydro-2H-quinolizin-1-yl]methanol

两栖动物生物碱类似物：(5R,8S,8aS)-(-)-8-甲基-5-戊基八氢吲哚嗪（8-表-吲哚嗪 209B）和[(1S,4R,9aS)-(-)-4-戊基八氢-2H-喹诺嗪-1-基]甲醇的全合成