Synthesis and Reactivity of Bicyclo[3.2.1]octanoid-Derived Cyclopropanes
作者:John R. Goodell、Jennifer L. Poole、Aaron B. Beeler、Jeffrey Aubé、John A. Porco
DOI:10.1021/jo2018922
日期:2011.12.2
Photochemical oxa-di-π-methane rearrangement of bicyclo[3.2.1]octanoid scaffolds affords multifunctional, donor–acceptor cyclopropanes. A related photochemical reaction of an iminium ether substrate uncovered an unprecedented aza-di-π-methane rearrangement of a β,γ-unsaturated iminium. Donor–acceptor cyclopropanes have been evaluated as substrates for reactions generating several new chemotypes.
Development of an Automated Microfluidic Reaction Platform for Multidimensional Screening: Reaction Discovery Employing Bicyclo[3.2.1]octanoid Scaffolds
作者:John R. Goodell、Jonathan P. McMullen、Nikolay Zaborenko、Jason R. Maloney、Chuan-Xing Ho、Klavs F. Jensen、John A. Porco、Aaron B. Beeler
DOI:10.1021/jo901073v
日期:2009.8.21
All automated, silicon-based microreactor system has been developed for rapid, low-volume, multidimensional reaction screening. Use of the microfluidic platform to identify transformations of densely functionalized bicyclo[3.2.1]octanoid scaffolds will be described.
Reaction Discovery Using Microfluidic-Based Multidimensional Screening of Polycyclic Iminium Ethers
作者:Jennifer L. Treece、John R. Goodell、David Vander Velde、John A. Porco、Jeffrey Aubé
DOI:10.1021/jo100087h
日期:2010.3.19
Polycyclic iminium ethers are ambident electrophilic intermediates that react with a range of nucleophiles in a highly condition-dependent manner to afford densely functionalized lactams. In an effort to expand the scope of reactivity and assist in the generation of new chemotypes from these intermediates, several iminium ethers were Subjected to reaction screening using an automated microfluidics reaction platform. Application of tills approach led to the discovery of several interesting reaction pathways involving the iminium ether intermediates that will be described.