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Cyclopropanols_Lindsay_MANUSCRIPT.pdf (1.51 MB)

General Synthesis of Cyclopropanols via Organometallic Addition to 1-Sulfonylcyclopropanols as Cyclopropanone Precursors

preprint
submitted on 11.07.2020 and posted on 13.07.2020 by Roger Machín Rivera, Yujin Jang, Christopher M. Poteat, Vincent Lindsay
The addition of organometallic reagents to ketones constitutes one of the most straightforward synthetic approaches to tertiary alcohols. However, due to the absence of a well-behaved class of cyclopropanone surrogates accessible in enantioenriched form, such a trivial synthetic disconnection has only received very little attention in the literature for the formation of tertiary cyclopropanols. In this work, we report a simple and high-yielding synthesis 1-substituted cyclopropanols via the addition of diverse organometallic reagents to 1- phenylsulfonylcyclopropanols, acting here as in situ precursors of the corresponding cyclopropanones.The transformation is shown to be amenable to sp, sp2 or sp3 -hybridized organometallic C-nucleophiles under mild conditions, and the use of enantioenriched substrates led to highly diastereoselective additions and the formation of optically active cyclopropanols.

History

Email Address of Submitting Author

vlindsa@ncsu.edu

Institution

North Carolina State University

Country

USA

ORCID For Submitting Author

0000-0002-7126-325X

Declaration of Conflict of Interest

The authors declare no competing financial interest

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