Studies on psychotropic agents. V. Synthesis of 1-substituted spiro[dibenz[b,f]oxepin-11,4'-piperidine]-10(11H)-one and related compounds.
作者:YASUTAKA NAGAI、HITOSHI UNO
DOI:10.1248/cpb.27.2056
日期:——
Tricyclic compounds (12, 17 and 20) combined with a spiro-system at the 4 position of 1-substituted piperidine were synthesized for pharmacological testing. They could be prepared by a sequence of reactions involving the Pinacol rearrangement of 9-(1-ethoxy-carbonyl-4-piperidinyl) fluorene-9, 4'-diol (9) or the cyclization of 1-benzyl-4-(o-substituted phenyl)-4-carboxy (or cyano) piperidine (15a and 16). 9-(1-Methyl-1, 2, 3, 6-tetrahydro-4-pyridinyl) xanthene (or -anthracene) (21 and 26) and 3-methyl-2, 3, 4, 5-tetrahydro-1H-phenanthro [9, 10-d] azepine (27) were also prepared by the Wagner-Meerwein rearrangement of α hydroxy spiro compounds (19b, 19d, and 11, respectively). Among the compounds synthesized, 1-methyl-1, 2, 3, 5, 6, 7-hexahydrospiro [[4H] azepine-4, 9'-fluorene]-5-ol (8) showed marked anti-convulsant activity.
为进行药理测试,合成了在 1-取代哌啶的 4 位上具有螺环系统的三环化合物(12、17 和 20)。这些化合物可以通过一系列反应制备,包括 9-(1-乙氧基-羰基-4-哌啶基)芴-9,4'-二醇(9)的频哪醇重排反应或 1-苄基-4-(邻取代苯基)-4-羧基(或氰基)哌啶(15a 和 16)的环化反应。此外,还通过 α 羟基螺化合物(分别为 19b、19d 和 11)的瓦格纳-梅尔韦因重排法制备了 9-(1-甲基-1,2,3,6-四氢-4-吡啶基)呫吨(或蒽)(21 和 26)和 3-甲基-2,3,4,5-四氢-1H-菲罗 [9, 10-d] 氮杂卓(27)。在合成的化合物中,1-甲基-1,2,3,5,6,7-六氢螺[[4H] 氮杂卓-4,9'-芴]-5-醇(8)显示出明显的抗惊厥活性。