5 years ago

Methods for the Synthesis of Functionalized Pentacarboxycyclopentadienes

Methods for the Synthesis of Functionalized Pentacarboxycyclopentadienes
M. Alex Radtke, Chirag D. Gheewala, Tristan H. Lambert, Alec B. Hon, Jessica Hui
Protocols for the synthesis of diverse pentacarboxycyclopentadienes are described. Starting from readily available pentacarbomethoxycyclopentadiene, transesterification offers single-step access to aliphatic ester derivatives, while treatment with amines produces mono- or diamides. For less nucleophilic alcohols, an alternative procedure involving the in situ generation and esterification of a putative cyclopentadiene pentaacid chloride has been developed.

Publisher URL: http://dx.doi.org/10.1021/acs.orglett.7b01867

DOI: 10.1021/acs.orglett.7b01867

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