Synthesis of 4-aza analog of ramelteon: a novel tricyclic 1,6,7,8-tetrahydro-2H-cyclopenta[d]furo[2,3-b]pyridine derivative as melatonin receptor ligand
作者:Tatsuki Koike、Yasutaka Hoashi、Takafumi Takai、Osamu Uchikawa
DOI:10.1016/j.tetlet.2011.03.147
日期:2011.6
The 4-aza analog of ramelteon (−)-1, a novel tricyclic 1,6,7,8-tetrahydro-2H-cyclopenta[d]furo[2,3-b]pyridine derivative, was synthesized via the intramolecular inverse electron demand Diels–Alder reaction followed by fluoride-induced desilylation–cyclization.
通过分子内逆合成Ramelteon(-)- 1的4-氮杂类似物,这是一种新型的三环1,6,7,8-四氢-2 H-环戊[ d ]呋喃[2,3- b ]吡啶衍生物。电子需求Diels–Alder反应,然后是氟化物诱导的去甲硅烷基化–环化反应。