A norbornadiene–cyclobutadiene cycloaddition cascade: novel intramolecular σ<sup>2</sup>+π<sup>2</sup>trapping of a cyclobutane ring
作者:Goverdhan Mehta、M. Balaji Viswanath、Munirathinam Nethaji、Kailasam Venkatesan
DOI:10.1039/c39920000082
日期:——
Norbornadiene and 1,2-bismethoxycarbonylcyclobutadiene furnish a novel heptacyclic system 3(whose X-ray crystal structure has been determined)and an annulated pterodactylane derivative 4 in a single step.
降冰片二烯和1,2-双甲氧基羰基环丁二烯可在一个步骤中提供一个新颖的七环系统3(已确定其X射线晶体结构)和一个环翼手龙衍生物4。