中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | (S)-2-(1-methoxycarbonylethenyl)-7-azabicyclo[5.3.0]dec-2-en-8-one | 183994-57-2 | C13H17NO3 | 235.283 |
中文名称 | 英文名称 | CAS号 | 化学式 | 分子量 |
---|---|---|---|---|
—— | 2-[(9aS)-3-oxo-1,2,5,6,7,9a-hexahydropyrrolo[1,2-a]azepin-9-yl]propanoic acid | 1027583-11-4 | C12H17NO3 | 223.272 |
—— | (3aR,10aS)-1-methyl-3a,4,5,6,10,10a-hexahydro-2H-furo[3,2-c]pyrrolo[1,2-a]azepine-2,8(9H)-dione | 183994-61-8 | C12H15NO3 | 221.256 |
This study describes the synthesis of the pyrido[1,2-a]azepine alkaloids. The bicyclic compound 1 containing the A-B core ring structure was synthesized in 17 steps in 1.7% overall yield starting from 4-pentyn-1-ol. The key steps involve an oxidation of 1,4 diol to lactone and an ene-yne ring closing metathesis reaction.